Warship aircraft take-off and landing auxiliary device

Abstract

The utility model discloses an auxiliary device for take-off and landing of an aircraft on a ship. Comprising an energy absorption frame (2), the periphery of the energy absorption frame (2) is in sliding connection with a deck (7) in the normal direction of the deck (7), an outer side locking device (4) is arranged between the energy absorption frame (2) and the deck (7), and a runway (1) is arranged in the energy absorption frame (2). According to the utility model, the design difficulty and weight increment of the landing gear of the aircraft taking off and landing on the ship can be reduced.

Description

Technical Field

[0001] This utility model belongs to the field of aircraft support equipment design technology, and specifically relates to a shipboard aircraft take-off and landing auxiliary device. Background Technology

[0002] Aircraft takeoff and landing on ships require handling conditions far more severe than those on land-based runways. The maximum landing sink rate of carrier-based aircraft is typically much greater than that of land-based aircraft, resulting in a significantly longer landing gear strut travel for carrier-based aircraft. Furthermore, due to the greater landing load compared to land-based aircraft, carrier-based aircraft have a stronger and heavier airframe structure, requiring more space to accommodate longer and heavier landing gear. In the conversion of land-based aircraft to carrier operations, the landing gear is often the largest modification and the biggest source of weight increase. Utility Model Content

[0003] The purpose of this invention is to provide an auxiliary device for aircraft take-off and landing on ships. This invention can reduce the design difficulty and weight of landing gear for aircraft taking off and landing on ships.

[0004] The technical solution of this utility model is as follows: a shipboard aircraft take-off and landing auxiliary device, including an energy-absorbing frame, the outer periphery of which is slidably connected to the deck along the deck normal, an outer locking device is provided between the energy-absorbing frame and the deck, and a runway is provided inside the energy-absorbing frame.

[0005] In the aforementioned shipboard aircraft take-off and landing auxiliary device, an inner locking device is provided between the runway and the energy-absorbing frame, and a lifting device is provided on the bottom surface of the runway. When the inner locking device is unlocked, the lifting device can lift and tilt the runway to increase the take-off angle of attack.

[0006] In the aforementioned shipboard aircraft take-off and landing auxiliary device, a buffer material is provided below the energy-absorbing frame.

[0007] In the aforementioned shipboard aircraft take-off and landing auxiliary device, one or more guide bosses are arranged axially on the outer periphery of the energy-absorbing frame, and the guide bosses are correspondingly matched with one or more guide grooves provided on the deck.

[0008] In the aforementioned shipboard aircraft take-off and landing auxiliary devices, both the inner and outer locking devices are hydraulic or electric-driven locking pin structures.

[0009] In the aforementioned shipboard aircraft take-off and landing auxiliary devices, the lifting device is either hydraulically driven or electrically driven.

[0010] The beneficial effects of this utility model are:

[0011] (1) Compared with the conventional approach of relying entirely on the aircraft landing gear to absorb the landing load, this utility model uses a shipborne device to absorb part of the landing load, which greatly reduces the design difficulty of the landing gear for aircraft taking off and landing on ships and can effectively reduce the weight of the aircraft landing device.

[0012] (2) This utility model can be used as an adjustable takeoff angle runway to provide aircraft with an additional takeoff angle of attack, which can significantly shorten the takeoff distance.

[0013] (3) This utility model can be used as a runway for both carrier-based aircraft and conventional land-based aircraft. In the horizontally locked state, it is almost indistinguishable from a general shipboard runway and does not affect the activities of personnel and equipment on board.

[0014] (4) Using this utility model, conventional land-based aircraft can take off and land temporarily on ships with minor reinforcements or even without changing the landing gear, thereby obtaining supplies on the ship. Attached Figure Description

[0015] Figure 1 This is the state of the take-off and landing auxiliary device shown in this utility model on the ship deck (non-take-off and landing state);

[0016] Figure 2 This is the state of the takeoff and landing auxiliary device shown in this utility model when the aircraft is landing on the ship (landing state);

[0017] Figure 3 This diagram illustrates the positions of the aircraft on various planes during landing. The runway plane descends from the initial landing position to the maximum descent position.

[0018] Figure 4 This is the state of the takeoff and landing auxiliary device shown in this utility model during aircraft takeoff (takeoff state).

[0019] Reference numerals: 1-Runway, 2-Energy-absorbing frame, 3-Inner locking device, 4-Outer locking device, 5-Guide boss, 6-Lifting device, 7-Deck, 8-Guide groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1. A shipboard aircraft takeoff and landing auxiliary device, see [reference needed]. Figures 1-4 It includes 5 parts:

[0022] (1) Runway.

[0023] Runways serve two main functions: 1. To provide aircraft with an additional angle of attack for takeoff, shortening takeoff distance; 2. To provide a landing platform for landing aircraft. The upper surface of the runway is rigid, while the lower surface contains mechanical interfaces that can be connected to lifting devices and allow the runway plane to rotate to a certain angle.

[0024] (2) Energy absorption frame

[0025] Used to assist in absorbing the landing load of aircraft and absorb some of the landing kinetic energy. The upper surface of the energy-absorbing frame is a rigid surface, and the part below the upper surface contains cushioning material. The energy-absorbing frame can be compressed a certain distance along the normal direction of the ship's deck to absorb the impact load. The direction of movement of the energy-absorbing frame is restricted by the track and can only move along the normal direction of the ship's deck.

[0026] (3) Inner locking device

[0027] Used to connect and lock the runway to the energy-absorbing frame, transferring the load of aircraft landing from the runway to the energy-absorbing frame.

[0028] (4) External locking device

[0029] Used to connect and lock the energy-absorbing frame to the ship's deck, so that the upper surface of the energy-absorbing frame is flush with the ship's deck.

[0030] (5) Lifting device

[0031] The lifting device is used to level the runway or adjust it to a specified attitude. When the aircraft is preparing to land, the lifting device does not rise, and a sufficient distance is maintained between the lifting device and the runway (greater than the runway's maximum sag distance). After the aircraft has landed, the lifting device rises to level the runway or adjust it to a certain angle.

[0032] Specifically, in the shipboard aircraft take-off and landing auxiliary device, the outer periphery of the energy-absorbing frame 2 is slidably connected to the deck 7 along the normal direction of the deck 7, an outer locking device 4 is provided between the energy-absorbing frame 2 and the deck 7, and a runway 1 is provided inside the energy-absorbing frame 2.

[0033] An inner locking device 3 is provided between the aforementioned runway 1 and the energy-absorbing frame 2. A lifting device 6 is provided on the bottom surface of the runway 1. When the inner locking device 3 is unlocked, the lifting device 6 can lift and tilt the runway 1 to increase the takeoff angle of attack.

[0034] In non-takeoff and landing mode, the runway is locked to the energy-absorbing frame, and the energy-absorbing frame is locked to the surrounding deck, with the upper surfaces of all three remaining flush. The ship's deck plane is a single plane.

[0035] In the landing position, runway 1 is locked to energy-absorbing frame 2 via inner locking device 3, while outer locking device 4 is disengaged, and lifting device 6 does not rise. When the aircraft lands, runway 1 and energy-absorbing frame 2 sink together under load.

[0036] In takeoff mode, the takeoff runway is raised by the lifting device and maintained at a certain angle, while the inner locking device is disengaged.

[0037] The aforementioned energy-absorbing frame 2 has a buffer material underneath.

[0038] The aforementioned energy-absorbing frame 2 has one or more guide bosses 5 arranged axially on its outer periphery, and the guide bosses 5 correspond to and cooperate with one or more guide grooves 8 provided on the deck 7. By cooperating with the guide bosses 5 and the guide grooves 8 of the deck 7, the energy-absorbing frame is restricted to moving only up and down.

[0039] Both the inner and outer locking devices are hydraulic or electric locking pin structures.

[0040] The aforementioned lifting device 6 is a hydraulically driven or electrically driven device.

[0041] A complete usage cycle is as follows:

[0042] (1) When the ship is not using this device, the runway is locked to the energy-absorbing frame via the inner locking device, and the energy-absorbing frame is locked to the ship's deck via the outer locking device. The lifting device does not rise or fall. The entire upper surface of this device is flush with the ship's deck, allowing personnel and equipment on the ship's deck to move around normally. This state can also be used as a landing runway for carrier-based aircraft.

[0043] (2) When a ground-based aircraft needs to land (or in other situations where this device is needed for landing), keep the inner locking device locked, disconnect the outer locking device, and the lifting device will not rise. At this time, the liftable runway can move freely along the normal direction of the ship's deck synchronously with the energy-absorbing frame (the direction of movement is restricted by the track). After the aircraft completes landing, the runway and the energy-absorbing frame sink synchronously to a certain position, and the aircraft is parked on the runway (below the deck level).

[0044] (3) Keep the inner locking device locked, raise the lifting device, and connect / fit the lifting device with the mechanical interface on the lower surface of the runway. Use the lifting device to raise the runway and the energy-absorbing frame together synchronously. When it is raised and adjusted to the deck level, align and lock the outer locking device with the deck. At this time, the device returns to the state of (1). At this time, the aircraft on the runway can be moved to other parking areas.

[0045] (4) When the device is needed for aircraft takeoff, disconnect the inner locking device, adjust the lifting device to make the runway in the specified attitude and lock it.

[0046] (5) After the aircraft takes off, adjust the lifting device back to the horizontal position, align and lock the runway with the energy-absorbing frame using the inner locking device, continue to adjust the lifting device to make the energy-absorbing frame flush with the deck, and align and lock the energy-absorbing frame with the deck using the outer locking device. Release the lock on the mechanical interface between the lifting device and the lower surface of the liftable runway, and lower the lifting device. At this time, the device returns to the (1) state.

[0047] This invention can be used in conjunction with arresting cables. The arresting cables can be deployed on the runway.

[0048] The locking device can be in the form of a locking pin / lock hole, using hydraulic or electric power, and can be operated manually or automatically.

[0049] Water can be used as the cushioning material for the energy-absorbing frame. If water is used, drainage and water replenishment channels must be installed around the energy-absorbing frame. After water is injected through the water replenishment channels, the energy-absorbing frame must be leak-proof. When subjected to impact loads, the water should be compressed and discharged out of the energy-absorbing frame through the drainage channels.

[0050] The lifting device can be a hydraulic or electrically driven device. The lifting rods at each station of the lifting device can be independently controlled and finely adjusted, thereby controlling the lifted runway to enter the designated posture.

[0051] The connection interface between the runway's lower surface and the lifting device can be hinged to the runway's lower surface, thereby supporting adjustments to the runway's tilt attitude.

[0052] The connection interface between the runway's lower surface and the lifting device, and the docking with the lifting device, can be achieved through magnetic adsorption or purely mechanical fitting.

[0053] The above description is merely a specific embodiment of this utility model, providing a detailed description of the utility model. Parts not covered in detail are conventional techniques. However, the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this utility model should be included within the protection scope of this utility model. The protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A shipboard aircraft takeoff and landing auxiliary device, characterized in that, It includes an energy-absorbing frame (2), the outer periphery of which is slidably connected to the deck (7) along the normal direction of the deck (7), an outer locking device (4) is provided between the energy-absorbing frame (2) and the deck (7), and a runway (1) is provided inside the energy-absorbing frame (2).

2. The shipboard aircraft takeoff and landing auxiliary device according to claim 1, characterized in that, An inner locking device (3) is provided between the runway (1) and the energy-absorbing frame (2), and a lifting device (6) is provided on the bottom surface of the runway (1). When the inner locking device (3) is unlocked, the lifting device (6) can lift and tilt the runway (1) to increase the takeoff angle of attack.

3. The shipboard aircraft takeoff and landing auxiliary device according to claim 1, characterized in that, A buffer material is provided below the energy-absorbing frame (2).

4. The shipboard aircraft takeoff and landing auxiliary device according to claim 1, characterized in that, The outer periphery of the energy-absorbing frame (2) has one or more guide bosses (5) arranged along the axial direction, and the guide bosses (5) are correspondingly matched with one or more guide grooves (8) provided on the deck (7).

5. The shipboard aircraft takeoff and landing auxiliary device according to claim 1, characterized in that, Both the inner and outer locking devices are hydraulic or electric locking pin structures.

6. The shipboard aircraft takeoff and landing auxiliary device according to claim 1, characterized in that, The lifting device (6) is a hydraulically driven or electrically driven device.

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