Undercarriage support rack demonstration and maintenance equipment

Abstract

The undercarriage supporting rack demonstration and maintenance equipment comprises a fixture and a simulation control device, a front undercarriage assembly and two main undercarriage assemblies are arranged at the bottom of the fixture, and the front undercarriage assembly and the two main undercarriage assemblies are arranged in a front three-point mode; the front undercarriage assembly and the two main undercarriage assemblies are each provided with an undercarriage folding and unfolding control assembly, and the simulation control device is in data connection with the undercarriage folding and unfolding control assemblies. According to the utility model, man-machine interaction can be realized, and simulation operation requirements of trainees are satisfied.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation models, and more specifically to a landing gear support stand demonstration and maintenance device. Background Art

[0002] The landing gear is an accessory device at the bottom of the aircraft that supports the aircraft during takeoff, landing or taxiing on the ground (water surface) and is used for moving on the ground (water surface). The landing gear is the only part that supports the entire aircraft, so it is an indispensable part of the aircraft; without it, the aircraft cannot move on the ground. After the aircraft takes off, the landing gear can be retracted depending on the flight performance.

[0003] At present, in the teaching process of civil aviation courses, the landing gear support bench demonstration equipment is an integral part of the aviation mechanical system fault diagnosis laboratory. This type of equipment can help students understand the structure and function of the landing gear more intuitively and specifically when trainees cannot touch the real object.

[0004] However, the existing landing gear support bench demonstration equipment can only simulate the landing gear retraction and extension function, but cannot achieve human-computer interaction and cannot meet the simulation operation needs of trainees. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a landing gear support stand demonstration and maintenance equipment, which can realize human-computer interaction and meet the simulation operation needs of trainees.

[0006] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions:

[0007] A landing gear support bench demonstration and maintenance equipment comprises a jig and a simulation control device, wherein a front landing gear assembly and two main landing gear assemblies are arranged at the bottom of the jig, and the front landing gear assembly and the two main landing gear assemblies are arranged in a front three-point layout; the front landing gear assembly and the two main landing gear assemblies are both provided with a landing gear retraction and extension control assembly, and the simulation control device is data-connected with the landing gear retraction and extension control assembly.

[0008] Furthermore, the front landing gear assembly includes: a front landing gear and a front landing gear storage compartment for storing the front landing gear, the front landing gear storage compartment is fixedly installed on the bottom of the frame, the front landing gear is arranged in the front landing gear storage compartment, a landing gear retracting and extending opening is provided at the bottom of the front landing gear storage compartment, a front guard plate is provided on the landing gear retracting and extending opening, and a landing gear retracting and extending control assembly is arranged in the front landing gear storage compartment.

[0009] Furthermore, the main landing gear assembly includes: a main landing gear and a main landing gear storage compartment for storing the main landing gear, the main landing gear storage compartment is fixedly installed at the bottom of the jig, the main landing gear is arranged in the main landing gear storage compartment, a main landing gear retraction and extension opening is provided at the bottom of the main landing gear storage compartment, a block guard plate is provided on the main landing gear retraction and extension opening, and a landing gear retraction and extension control assembly is arranged in the main landing gear storage compartment.

[0010] Furthermore, it also includes a hardware data platform, which is data-connected with the analog control device. The hardware data platform includes a main control module, a switch data input acquisition device, a switch data output control device, an analog data input acquisition device, an analog data output control device, a data bus encoding control device, a data bus decoding device, a CAN-NET bus conversion device and a network device; the main control module is data-connected with the main control module, the switch data input acquisition device, the switch data output control device, the analog data input acquisition device, the analog data output control device, the data bus encoding control device and the data bus decoding device respectively, the data bus decoding device is data-connected with the CAN-NET bus conversion device via the CAN data bus, the CAN-NET bus conversion is data-connected with the network device, the switch data input acquisition device and the switch data output control device are data-connected with the landing gear retraction and extension control component respectively, and the analog data input acquisition device and the analog data output control device are data-connected with the analog control device respectively.

[0011] Furthermore, it also includes simulated aircraft equipment, which includes a central instrument panel simulation device, an audio input device and an audio output device, and the simulated aircraft equipment is data-connected to the network device.

[0012] Furthermore, the frame includes a fixed plate, a first support leg, a second support leg and a third support leg. The first support leg, the second support leg and the third support leg are all arranged at the bottom of the fixed plate, the first support leg is arranged at the front side of the front landing gear assembly, and the second support leg and the third support leg are relatively arranged on the outside of the two main landing gear assemblies.

[0013] Furthermore, the front end of the fixing plate is trapezoidal.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the present invention discloses a landing gear support stand demonstration and maintenance equipment, which can complete the theoretical teaching content of the landing gear in the aircraft structure, and can solve the problems of shortage and insufficient quantity of equipment for practical teaching; the operating faults of the landing gear can be preset through the simulation control device, so that the trainees can be familiar with the phenomenon of landing gear failure, can analyze the failure according to theoretical knowledge, can eliminate the failure according to the actual situation, train and improve the trainees' ability to find, analyze and eliminate problems, and improve the comprehensive professional quality.

[0015] It can be seen that compared with the prior art, the utility model has substantial characteristics and progress, and the beneficial effects of its implementation are also obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0017] Figure 1 It is a front view of the utility model.

[0018] Figure 2 yes Figure 1 Left view of .

[0019] Figure 3 yes Figure 1 Bottom view of .

[0020] Figure 4 It is an electrical block diagram of the utility model. DETAILED DESCRIPTION

[0021] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0022] The utility model discloses a landing gear support stand demonstration and maintenance device, comprising a jig and a simulation control device, a hardware data platform and a simulated aircraft device.

[0023] like Figure 1-3 As shown, the jig includes a fixed plate 1, a first support leg 2, a second support leg 3 and a third support leg 4. A front landing gear assembly 5 and two main landing gear assemblies 6 are provided at the bottom of the fixed plate 1. The front landing gear assembly 5 and the two main landing gear assemblies 6 are arranged in a front three-point layout. The first support leg 2, the second support leg 3 and the third support leg 4 are all arranged at the bottom of the fixed plate 1. The first support leg 2 is arranged at the front side of the front landing gear assembly 5, and the second support leg 3 and the third support leg 4 are relatively arranged on the outside of the two main landing gear assemblies 6. The front end of the fixed plate 1 is trapezoidal.

[0024] It should be noted that the jig is scaled down to the size of the real aircraft at a ratio of 1:2, and the lower part of the fuselage (landing gear related parts) is cut off as the part of the simulation teaching equipment. The jig is the fuselage main body with the nose radome removed, the cockpit section of the fuselage and the front landing gear compartment intact; the canards and folding wings are removed, and the 360mm wide part of the fixed wing against the fuselage is retained to facilitate the installation of the rear landing gear rotation mechanism; the vertical tail and horizontal tail are removed, the rear engine section of the fuselage is removed, and the rear landing gear mechanism is retained intact.

[0025] The front landing gear assembly 5 includes: a front landing gear 51 and a front landing gear storage compartment 52 for storing the front landing gear. The front landing gear storage compartment 52 is fixedly installed at the bottom of the fixed plate 1. The front landing gear 51 is arranged in the front landing gear storage compartment 52. A landing gear storage opening is arranged at the bottom of the front landing gear storage compartment 52. A front guard plate 53 is arranged on the landing gear storage opening. A landing gear storage control assembly is arranged in the front landing gear storage compartment 52. Among them, the front landing gear 51 is simulated and made at a scale of 1:2 of the real aircraft, and its appearance features are similar to the real aircraft; the folding movement mode and trajectory of the landing gear are similar to those of the real aircraft, the movement mode and trajectory of the front guard plate 53 are similar to those of the real aircraft, the landing gear is retracted and placed in the compartment, and the appearance is consistent with the fuselage after the guard plate is closed.

[0026] The main landing gear assembly 6 includes: a main landing gear 61 and a main landing gear storage compartment 62 for storing the main landing gear. The main landing gear storage compartment 62 is fixedly installed at the bottom of the fixed plate 1. The main landing gear 61 is arranged in the main landing gear storage compartment 62. The main landing gear storage compartment 62 has a main landing gear storage opening at the bottom. A partitioned guard plate 63 is arranged on the main landing gear storage opening. A landing gear storage compartment 62 has a landing gear storage control assembly. The main landing gear 61 is simulated and manufactured at a scale of 1:2 of the real aircraft, and its appearance features are similar to those of the real aircraft. The folding movement mode and trajectory of the landing gear are similar to those of the real aircraft, and the movement mode and trajectory of the partitioned guard plate 63 are similar to those of the real aircraft. The landing gear is retracted and placed in the compartment. After the guard plate is closed, the appearance is consistent with the fuselage.

[0027] like Figure 4 As shown, the simulation control device is connected to the landing gear retraction and extension control component data, and the hardware data platform is connected to the simulation control device, the landing gear retraction and extension control component, and the simulated aircraft equipment data respectively.

[0028] Specifically, the hardware data platform includes a main control module, a switch data input acquisition device, a switch data output control device, an analog data input acquisition device, an analog data output control device, a data bus encoding control device, a data bus decoding device, a CAN-NET bus conversion device and a network device; the main control module is data-connected to the main control module, the switch data input acquisition device, the switch data output control device, the analog data input acquisition device, the analog data output control device, the data bus encoding control device and the data bus decoding device respectively, the data bus decoding device is data-connected to the CAN-NET bus conversion device through the CAN data bus, the CAN-NET bus conversion is data-connected to the network device, the switch data input acquisition device and the switch data output control device are data-connected to the landing gear retraction and extension control assembly respectively, and the analog data input acquisition device and the analog data output control device are data-connected to the analog control device respectively.

[0029] The simulated aircraft equipment includes a central instrument panel simulation device, an audio input device, and an audio output device. The simulated aircraft equipment is connected to the network equipment data. Among them, the simulated aircraft equipment used for human-computer interaction is a physical simulation part designed and developed in a 1:1 ratio. Its operating functions, appearance size, character color, etc. are consistent with the actual equipment to meet the operating needs of the trainees.

[0030] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

Claims

1. A landing gear support stand demonstration and maintenance equipment, characterized in that: It includes a jig and a simulation control device. A front landing gear assembly and two main landing gear assemblies are provided at the bottom of the jig. The front landing gear assembly and the two main landing gear assemblies are arranged in a front three-point layout. The front landing gear assembly and the two main landing gear assemblies are both provided with a landing gear retraction and extension control assembly. The simulation control device is data-connected with the landing gear retraction and extension control assembly.

2. The landing gear support stand demonstration and maintenance equipment according to claim 1, characterized in that: The front landing gear assembly comprises: a front landing gear and a front landing gear storage compartment for storing the front landing gear, the front landing gear storage compartment is fixedly installed on the bottom of the frame, the front landing gear is arranged in the front landing gear storage compartment, a landing gear retracting and extending opening is arranged at the bottom of the front landing gear storage compartment, a front guard plate is arranged on the landing gear retracting and extending opening, and a landing gear retracting and extending control assembly is arranged in the front landing gear storage compartment.

3. The landing gear support stand demonstration and maintenance equipment according to claim 1, characterized in that: The main landing gear assembly comprises: a main landing gear and a main landing gear storage compartment for storing the main landing gear, the main landing gear storage compartment is fixedly installed at the bottom of the jig, the main landing gear is arranged in the main landing gear storage compartment, a main landing gear retracting and releasing opening is arranged at the bottom of the main landing gear storage compartment, a block guard plate is arranged on the main landing gear retracting and releasing opening, and a landing gear retracting and releasing control assembly is arranged in the main landing gear storage compartment.

4. The landing gear support stand demonstration and maintenance equipment according to claim 1, characterized in that: It also includes a hardware data platform, which is data-connected to the analog control device, and includes a main control module, a switch data input acquisition device, a switch data output control device, an analog data input acquisition device, an analog data output control device, a data bus encoding control device, a data bus decoding device, a CAN-NET bus conversion device, and a network device; The main control module is data-connected to the main control module, the switch data input acquisition device, the switch data output control device, the analog data input acquisition device, the analog data output control device, the data bus encoding control device, and the data bus decoding device respectively; the data bus decoding device is data-connected to the CAN-NET bus conversion device via the CAN data bus; the CAN-NET bus conversion is data-connected to the network device; the switch data input acquisition device and the switch data output control device are data-connected to the landing gear retraction and extension control assembly respectively; the analog data input acquisition device and the analog data output control device are data-connected to the analog control device respectively.

5. The landing gear support stand demonstration and maintenance equipment according to claim 4, characterized in that: It also includes simulated aircraft equipment, which includes a central instrument panel simulation device, an audio input device and an audio output device. The simulated aircraft equipment is connected to the network equipment for data.

6. The landing gear support stand demonstration and maintenance equipment according to claim 1, characterized in that: The frame includes a fixed plate, a first support leg, a second support leg and a third support leg. The first support leg, the second support leg and the third support leg are all arranged at the bottom of the fixed plate, the first support leg is arranged at the front side of the front landing gear assembly, and the second support leg and the third support leg are relatively arranged on the outside of the two main landing gear assemblies.

7. The landing gear support stand demonstration and maintenance equipment according to claim 6, characterized in that: The front end of the fixing plate is trapezoidal.

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