CN212710038U

CN212710038U - Aircraft tractor for airport

Info

Publication number: CN212710038U
Application number: CN202021110674.4U
Authority: CN
Inventors: 王译雁; 张斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-16
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an aircraft tractor that airport was used, including the driver's cabin, the rear of driver's cabin is provided with the preceding chassis that pulls, the preceding chassis that pulls is provided with two back chassis that pulls on the chassis, it presss from both sides the fixer to be provided with to embrace between the back chassis, the rear that lies in between the back chassis and embraces the clamping fixer is provided with supplementary fixing device, the rear end on back chassis that pulls is provided with stable structure, stable structure distributes the both sides on the back chassis that pulls. An aircraft tractor that airport was used, couple up the undercarriage through fixed hoop, undercarriage and embrace the clamp fixer and take place great impact when avoiding the tractor braking, safer, and can be with the more firm fixed of undercarriage, through extension third hydraulic stem and fourth hydraulic stem, support supporting legs and ground, stability when can be so that the front wheel puts into the tractor is better, avoids the condition of driver's cabin perk, safer.

Description

Aircraft tractor for airport

Technical Field

The utility model relates to an aircraft auxiliary assembly field, in particular to aircraft tractor that airport was used.

Background

The aircraft tractor is a guarantee device for dragging an aircraft on the ground, and can be used for moving large parts of the aircraft or the aircraft in the aircraft manufacturing process. In the process of airplane assembly, in consideration of energy and environmental protection, a motor power system without exhaust emission and low noise is generally adopted, and tractors can be divided into a rod-type tractor and a rodless-type tractor according to different traction modes, wherein the rodless-type tractor and the rodless-type airplane tractor are provided with no traction rod connected with an airplane, directly clamp a front wheel of the airplane and support the front undercarriage of the airplane, and are special vehicles for carrying out airplane traction operation. However, the existing tractor has certain disadvantages, when the tractor is used for traction, the front wheel undercarriage is directly lifted, but the strength of the lifting rod can be influenced by the lifting rod when the tractor is used for braking, and when the front wheel is supported, the stability of equipment can be influenced, and a cab can be lifted, so that the tractor is dangerous.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an aircraft tractor for airports, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the aircraft tractor for the airport comprises a cab, wherein a front traction chassis is arranged behind the cab, two rear traction chassis are arranged on the front traction chassis, a clamping fixer is arranged between the rear traction chassis, an auxiliary fixing device is arranged behind the clamping fixer between the rear traction chassis, and a stabilizing structure is arranged at the rear end of the rear traction chassis and distributed on two sides of the rear traction chassis.

Preferably, the auxiliary fixing device comprises a first hydraulic rod, a first rotary joint, a fixing hoop, a connecting screw rod, a second rotary joint and a second hydraulic rod, the first hydraulic rod and the second hydraulic rod are respectively arranged between the rear traction chassis at two sides, the first hydraulic rod and the second hydraulic rod are aligned, one end of the first hydraulic rod is provided with a first rotating joint, a second rotating joint is arranged at one end of the second hydraulic rod, a connecting screw rod is fixedly arranged between the first rotating joint and the second rotating joint through threads, the connecting screw is welded with a mutually matched fixed hoop which is fixed with the front wheel bracket of the airplane through a bolt, the landing gear is hooped by the fixing hoop, so that the landing gear and the clamping fixer are prevented from generating larger impact when the tractor brakes, the landing gear is safer, and the landing gear can be more firmly fixed.

Preferably, stable structure includes fixed block, third hydraulic stem, connecting block, fourth hydraulic stem, supporting legs and holds the chamber, one side on the chassis is pull to the back has been seted up and has been held the chamber, the inside that holds the chamber is provided with the fixed block, the inside of fixed block is provided with the third hydraulic stem, the one end of third hydraulic stem is provided with the connecting block, the below of connecting block is provided with the fourth hydraulic stem, the bottom of fourth hydraulic stem is provided with the supporting legs, the connecting block removes along third hydraulic stem direction, the supporting legs removes along the fourth hydraulic stem direction, the supporting legs is accomodate and is held in the chamber, supports supporting legs and ground through extension third hydraulic stem and fourth hydraulic stem, can make the front wheel put into the stability when tractor better, avoids the condition of driver's cabin perk, and is safer.

Preferably, the front traction chassis and the rear traction chassis are provided with auxiliary wheels and driving wheels.

Preferably, the holding clamp fixer is fixed with the front wheel of the airplane, and the holding clamp fixer ascends and descends along the vertical direction.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with supplementary fixing device, bind the undercarriage through fixed hoop, undercarriage and embrace the clamp fixer and take place great impact when avoiding the tractor braking, safer, and can be with the more firm fixed of undercarriage, be provided with stable structure, through extension third hydraulic stem and fourth hydraulic stem, support supporting legs and ground, stability when can be so that the front wheel puts into the tractor is better, avoids the condition of driver's cabin perk, safer.

Drawings

Fig. 1 is a schematic view of the overall structure of an aircraft tractor for an airport according to the present invention;

fig. 2 is a side view of an aircraft tractor for an airport of the present invention;

fig. 3 is a schematic view of an auxiliary fixing device of an aircraft tractor for an airport according to the present invention;

fig. 4 is a schematic view of a stable structure of an aircraft tractor for an airport according to the present invention.

In the figure: 1. a cab; 2. a front traction chassis; 3. a drive wheel; 4. a clamp holder; 5. an auxiliary fixing device; 501. a first hydraulic lever; 502. a first rotary joint; 503. a fixing hoop; 504. connecting a screw rod; 505. a second rotary joint; 506. a second hydraulic rod; 6. an auxiliary wheel; 7. a rear traction chassis; 8. stabilizing the structure; 801. a fixed block; 802. a third hydraulic lever; 803. connecting blocks; 804. a fourth hydraulic lever; 805. supporting legs; 806. a receiving cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an aircraft tractor for an airport comprises a cab 1, a front traction chassis 2 is arranged behind the cab 1, two rear traction chassis 7 are arranged on the front traction chassis 2, a clasping fixer 4 is arranged between the rear traction chassis 7, an auxiliary fixing device 5 is arranged between the rear traction chassis 7 and behind the clasping fixer 4, a stabilizing structure 8 is arranged at the rear end of the rear traction chassis 7, and the stabilizing structure 8 is distributed at two sides of the rear traction chassis 7;

the auxiliary fixing device 5 comprises a first hydraulic rod 501, a first rotating joint 502, a fixing hoop 503, a connecting screw rod 504, a second rotating joint 505 and a second hydraulic rod 506, the first hydraulic rod 501 and the second hydraulic rod 506 are respectively arranged between the two side rear traction chassis 7, the first hydraulic rod 501 and the second hydraulic rod 506 are aligned, the first rotating joint 502 is arranged at one end of the first hydraulic rod 501, the second rotating joint 505 is arranged at one end of the second hydraulic rod 506, the connecting screw rod 504 is fixedly installed between the first rotating joint 502 and the second rotating joint 505 through threads, the fixing hoop 503 which is matched with each other is welded on the connecting screw rod 504, and the fixing hoop 503 is fixed with the front wheel bracket of the airplane through bolts; the stabilizing structure 8 comprises a fixing block 801, a third hydraulic rod 802, a connecting block 803, a fourth hydraulic rod 804, a supporting leg 805 and an accommodating cavity 806, the accommodating cavity 806 is formed in one side of the rear traction chassis 7, the fixing block 801 is arranged in the accommodating cavity 806, the third hydraulic rod 802 is arranged in the fixing block 801, the connecting block 803 is arranged at one end of the third hydraulic rod 802, the fourth hydraulic rod 804 is arranged below the connecting block 803, the supporting leg 805 is arranged at the bottom end of the fourth hydraulic rod 804, the connecting block 803 moves along the direction of the third hydraulic rod 802, the supporting leg 805 moves along the direction of the fourth hydraulic rod 804, and the supporting leg 805 is accommodated in the accommodating cavity 806; the front traction chassis 2 and the rear traction chassis 7 are provided with auxiliary wheels 6 and driving wheels 3; the clasping fixer 4 is fixed with the front wheel of the airplane, and the clasping fixer 4 is lifted along the vertical direction.

It should be noted that, the utility model relates to an aircraft tractor for airport, after the aircraft takes off or lands, the aircraft needs to be dragged and turned around, at this moment, the worker enters into the cab 1, then the tractor is driven to the aircraft, then the rear traction chassis 7 is moved to the lower part of the front wheel of the aircraft, at this moment, the third hydraulic rod 802 on the fixed block 801 can be extended, then the fourth hydraulic rod 804 on the connecting block 803 is extended, so that the supporting leg 805 is contacted with the ground, and the auxiliary wheel 6 at the rear is supported through the stabilizing structure 8, at this moment, the landing gear of the front wheel of the aircraft is lifted and locked through the clasping and clamping fixer 4, and then the landing gear is fixed again through the auxiliary fixing device 5, specifically, the first hydraulic rod 501 and the second hydraulic rod 506 are extended, the first rotary joint 502 and the first hydraulic rod 506 are rotated, and the first rotary joint 502 and the second hydraulic rod 506 are aligned, its connecting screw 504 passes through the screw thread and first rotary joint 502, second rotary joint 505 is fixed mutually, and fix through the bolt with fixed hoop 503, bind round the undercarriage, turn round the aircraft after, during the tractor braking, can fix through auxiliary fixing device 5, avoid only making the condition of not firm by embracing clamp fixer 4 is fixed, demolish the undercarriage from auxiliary fixing device 5 and embrace clamp fixer 4, the tractor is accomplished the drawing to the aircraft, and take in holding chamber 806 with the supporting legs 805 of stable structure 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An aircraft tractor for an airport, characterized in that: the rear traction device is characterized by comprising a cab (1), wherein a front traction chassis (2) is arranged at the rear of the cab (1), two rear traction chassis (7) are arranged on the front traction chassis (2), a clamping fixer (4) is arranged between the rear traction chassis (7), an auxiliary fixing device (5) is arranged at the rear of the clamping fixer (4) between the rear traction chassis (7), a stabilizing structure (8) is arranged at the rear end of the rear traction chassis (7), and the stabilizing structure (8) is distributed at two sides of the rear traction chassis (7).

2. An aircraft tractor for an airport according to claim 1, wherein: the auxiliary fixing device (5) comprises a first hydraulic rod (501), a first rotating joint (502), a fixing hoop (503), a connecting screw rod (504), a second rotating joint (505) and a second hydraulic rod (506), wherein the first hydraulic rod (501) and the second hydraulic rod (506) are respectively arranged between the rear traction chassis (7) at two sides, the first hydraulic rod (501) and the second hydraulic rod (506) are aligned, one end of the first hydraulic rod (501) is provided with a first rotating joint (502), one end of the second hydraulic rod (506) is provided with a second rotating joint (505), a connecting screw rod (504) is fixedly arranged between the first rotating joint (502) and the second rotating joint (505) through threads, the connecting screw rod (504) is welded with a fixing hoop (503) which is matched with each other, and the fixing hoop (503) is fixed with the front wheel bracket of the airplane through a bolt.

3. An aircraft tractor for an airport according to claim 1, wherein: the stabilizing structure (8) comprises a fixing block (801), a third hydraulic rod (802), a connecting block (803), a fourth hydraulic rod (804), supporting legs (805) and an accommodating cavity (806), an accommodating cavity (806) is formed in one side of the rear traction chassis (7), a fixing block (801) is arranged in the accommodating cavity (806), a third hydraulic rod (802) is arranged inside the fixed block (801), a connecting block (803) is arranged at one end of the third hydraulic rod (802), a fourth hydraulic rod (804) is arranged below the connecting block (803), supporting legs (805) are arranged at the bottom end of the fourth hydraulic rod (804), the connecting block (803) moves along the direction of a third hydraulic rod (802), the supporting foot (805) moves along the direction of a fourth hydraulic rod (804), and the supporting foot (805) is received in the accommodating cavity (806).

4. An aircraft tractor for an airport according to claim 1, wherein: and auxiliary wheels (6) and driving wheels (3) are arranged on the front traction chassis (2) and the rear traction chassis (7).

5. An aircraft tractor for an airport according to claim 1, wherein: the holding clamp fixer (4) is fixed with the front wheel of the airplane, and the holding clamp fixer (4) is lifted along the vertical direction.