Traction device for rapid transition of special aircraft

Abstract

The utility model belongs to the technical field of test flight guarantee, and particularly relates to a traction device for rapid transition of a special aircraft. Comprising an aircraft traction joint, a traction adapter, a traction rod and a tractor, one end of the airplane traction connector is connected to the special airplane, the other end of the airplane traction connector is connected with one end of the traction adapter, the other end of the traction adapter is connected with one end of the traction rod, and the other end of the traction rod is connected with the tractor. By utilizing the traction device designed by the utility model, the special aircraft can be quickly pulled after being transferred to an airport of a mission site. The traction device is easy to operate, high in universality, high in practicability and beneficial to improving the capacity of the special aircraft for quickly starting and executing tasks.

Description

Technical Field

[0001] The utility model belongs to the technical field of flight test support, and in particular relates to a traction device used for the rapid transfer of special aircraft. Background Art

[0002] After receiving a firefighting, rescue or other mission, special aircraft must be transferred to the mission airport immediately. After the aircraft arrives at the mission site, it needs to be towed to the parking space and undergo pre-flight and post-flight inspections. Aircraft towing is an essential task. Due to the urgency of the mission, the number and size of the support equipment that can be carried are limited, and the tractor and towing rod are too large to be carried. Therefore, the aircraft towing mission is often performed by borrowing equipment from the mission airport.

[0003] The design of the towing joints of some special aircraft is different from that of civil aircraft, which causes the problem that the civil aircraft towing rod cannot be applied to special aircraft. This problem needs to be solved urgently, as it is the key factor that determines whether special aircraft can meet the ability to quickly dispatch and perform tasks. Utility Model Content

[0004] The main purpose of the utility model is to provide a traction device for the rapid transfer of special aircraft, aiming to solve the problem that the special aircraft cannot be towed by civil aviation traction equipment due to the mismatch of traction joints after receiving an emergency mission and transferring to the destination airport, so that the special aircraft can quickly carry out traction work and perform subsequent tasks after the transfer.

[0005] Technical solution: To achieve the above-mentioned purpose, the utility model proposes a traction device for rapid transfer of special aircraft, including an aircraft traction joint, a traction adapter, a traction rod, and a traction vehicle;

[0006] One end of the aircraft traction joint is connected to the special aircraft, and the other end is connected to one end of the traction adapter, the other end of the traction adapter is connected to one end of the traction rod, and the other end of the traction rod is connected to the tractor.

[0007] Furthermore, the end of the aircraft towing joint connected to the special aircraft is designed as a V-shaped structure, and the end connected to the towing adapter is designed as a single-ear structure.

[0008] Furthermore, the traction adapter includes an adapter hook, an adapter body, and an adapter assembly. An adapter hook is designed at one end of the adapter body for connecting to the aircraft traction connector; a mounting plate is provided at the other end of the adapter body, and the adapter assembly is fixed on the mounting plate, and the adapter assembly is connected to the joint of the traction rod.

[0009] Furthermore, the adapter assembly includes a fixed support plate and an adapter pin. The two fixed support plates are fixed on the mounting plate. The adapter pin cooperates with the joint hook of the traction rod and is fixed in a through hole on the upper end of the support plate.

[0010] Furthermore, the towing adapter is provided with a warning tape with warning signs thereon, which is used to remind the operator to remove it after use.

[0011] Furthermore, a shuttle plate and a pressing handle are arranged on the adapter body. The pressing handle is rotatably connected to the adapter body, and the front end of the pressing handle cooperates with one end of the shuttle plate. By operating the pressing handle to push the shuttle plate forward, the transfer hook of the aircraft towing joint and the towing adapter can be fixedly connected to prevent the transfer hook from disengaging.

[0012] Furthermore, one end of the towing rod is provided with a joint hook, and the other end is connected to the towing vehicle.

[0013] Furthermore, the towing rod is of a telescopic structure, and a support rod is arranged at the lower end. Rollers are also arranged on the support rod.

[0014] Technical effect: The beneficial effect of the present utility model is that through the above-mentioned towing device, the special aircraft can quickly carry out aircraft towing work after arriving at the airport for the transfer mission. This towing device is simple to operate and has strong versatility, with high practicability, which is conducive to improving the ability of the special aircraft to quickly take off and execute tasks. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the implementation of a towing method for the rapid transfer of special aircraft according to the present invention

[0016] Figure 2 is a schematic diagram of the towing adapter according to the present invention

[0017] Figure 3 is a schematic diagram of the alarm device according to the present invention

[0018] Reference numerals in the drawings: 1, aircraft towing joint; 2, towing adapter; 21, transfer hook; 22, shuttle plate; 23, transfer pin; 24, fixed support plate; 25, bolt; 3, towing rod; 4, towing vehicle. Detailed Embodiment

[0019] Next, the technical solution of the present utility model will be clearly and completely described in conjunction with the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Referring to the attached Figures 1 to 3 , a towing device for the rapid transfer of special aircraft specifically designed by the present utility model includes an aircraft towing joint 1, a towing adapter 2, a towing rod 3, and a towing vehicle 4;

[0021] One end of the aircraft towing joint 1 is connected to a special aircraft, and the other end is connected to one end of the towing adapter 2. The other end of the towing adapter 2 is connected to one end of the towing rod 3, and the other end of the towing rod 3 is connected to the towing vehicle 4. In the specific design, the towing adapter 2, as an important adapter component, includes a towing hook 21, a shuttle plate 22, a transfer pin 23, a fixed support plate 24, and a bolt 25. One end of the main structure of the towing adapter is designed with a towing hook for connecting to the aircraft towing joint. The other end is provided with a mounting plate. Two symmetrically arranged fixed support plates 24 are fixed to the mounting plate by bolts 25. The transfer pin 23 cooperates with the joint hook of the towing rod and is fixed in the through hole at the upper end of the fixed support plate 24.

[0022] In an implementable design structure, one side of the towing adapter is a transfer pin, which consists of a pin body and a fixed support plate. The size of the pin body is similar to the size of the connection joint of the towing rod of a civil aviation aircraft, so that the towing rod of the civil aviation airport can be connected to it. The fixed support plate is fixedly connected to the pin body. There are threaded holes on the belt plate for installing the transfer pin on the flat plate of the main structure of the towing adapter.

[0023] During use, the connection method between the towing adapter and the towing rod joint is as follows: place the towing rod joint on the stop plate, then place the transfer pin in the hook of the towing rod joint, and fix the transfer pin and the towing rod joint hook to the main structure of the towing adapter through bolts, playing a role of fixed connection to prevent relative rotation between the towing adapter and the towing rod joint during towing.

[0024] The following briefly describes the specific use process of the towing device designed by the present utility model. When the special aircraft transfers to the destination airport, the crew on the aircraft removes the carried towing adapter 2, places the towing rod joint 3 on the mounting plate, then places the transfer pin 23 in the hook of the towing rod 3 joint, and fixes the transfer pin 23 and the towing rod 3 joint hook to the mounting plate through the bolt 25.

[0025] Then hang the towing hook 21 on the towing adapter 2 onto the aircraft towing joint 1, and operate the pressing handle to move the shuttle plate 22 to fix the aircraft towing joint 1 and the towing adapter 2 together.

[0026] After the towing rod 3 and the towing adapter 2 are properly hung, the crew on the aircraft notifies and assists the personnel at the civil aviation airport to drive the towing vehicle 4 to perform the aircraft towing task.

[0027] After the aircraft towing work is completed, the operator operates the handle to move the shuttle plate 22, removes the towing adapter 2 from the aircraft towing joint 1, then loosens the bolt 25, removes the towing adapter 2 from the towing rod 3 joint, and places the towing adapter 2 back on the aircraft.

[0028] The above specific embodiments or cases are only used to explain the technical solutions of the present utility model and do not limit the present utility model. The parts not described in detail are regarded as conventional technical means in the art; those of ordinary skill in the art should understand that based on the design concept of this application, it should be possible to adaptively modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features therein. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A traction device for rapid transfer of special aircraft, characterized in that: Including aircraft towing joints, towing adapters, towing rods, and towing vehicles; One end of the aircraft traction joint is connected to the special aircraft, and the other end is connected to one end of the traction adapter, the other end of the traction adapter is connected to one end of the traction rod, and the other end of the traction rod is connected to the tractor; The traction adapter includes an adapter hook, an adapter body, and an adapter assembly. An adapter hook is designed at one end of the adapter body for connecting to an aircraft traction connector. A mounting plate is provided at the other end of the adapter body, and the adapter assembly is fixed on the mounting plate. The adapter assembly is connected to the joint of the traction rod.

2. A traction device for rapid transfer of special aircraft as claimed in claim 1, characterized in that: The end of the aircraft towing joint connected to the special aircraft is designed as a V-shaped structure, and the end connected to the towing adapter is designed as a single-ear structure.

3. A traction device for rapid transfer of special aircraft as claimed in claim 1, characterized in that: The transfer assembly comprises a fixed support plate and a transfer pin. The two fixed support plates are fixed on the mounting plate. The transfer pin cooperates with the joint hook of the traction rod and is fixed in the through hole on the upper end of the support plate.

4. A traction device for rapid transfer of special aircraft as claimed in claim 1, characterized in that: The adapter body is also provided with a shuttle plate and a pressing handle, the pressing handle is rotatably connected to the adapter body, the front end of the pressing handle cooperates with one end of the shuttle plate, and the pressing handle is operated to push the shuttle plate forward, so that the aircraft traction joint and the transfer hook of the traction adapter are fixedly connected to prevent the transfer hook from falling out.

5. A traction device for rapid transfer of special aircraft as claimed in claim 4, characterized in that: The towing adapter is equipped with a warning tape with a warning sign on it.

6. A traction device for rapid transfer of special aircraft as claimed in claim 1, characterized in that: One end of the traction rod is provided with a joint hook, and the other end is connected to the traction vehicle.

7. A traction device for rapid transfer of special aircraft as claimed in claim 6, characterized in that: The traction rod is a telescopic structure, a support rod is arranged at the lower end, and a roller is arranged on the support rod.

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