RU173918U1 - MECHANISM OF PEDALS OF THE AIRCRAFT SIMULATOR - Google Patents

Abstract

The pedal mechanism of the flight simulator refers to the controls of vehicles, namely the controls of the complex simulator of the aircraft. The model is a multifunctional pedal control unit that allows you to simultaneously control the vehicle on the course, as well as separate control of the right and left brake mechanisms. Distinctive features of the model are the kinematic scheme that allows for reciprocating opposite movement of the pedals, independent tilt of the pedals relative to the transverse horizontal axis. You can also note the comparative simplicity of the design, low metal consumption, high adaptability and modular design. Both individual and paired use of devices is possible. The model allows for the rapid replacement of a failed module.

Description

The technical field to which the utility model relates.

This utility model relates to means of driving vehicles (aircraft), and in particular to the controls of integrated flight simulators.

State of the art

The prior art technical solutions that provide the functions of the pedal assembly for flight simulators. As a rule, these devices are implemented as an autonomous module in which the pedals are moved along the guides or by turning the rocking chair rigidly connecting them.

The prior art solution is presented in the application for utility model CN 203858777 - "Distance-regulating pedal mechanism of flight simulator", which presents a method for implementing a pedal assembly for an exercise machine in the form of a pedal assembly with two pedals mounted on a rocking chair and able to deviate forward from the nominal position. The device is equipped with loaders for turning pedals around a common vertical axis and loaders for turning each pedal around a horizontal axis of a rocking chair. This design provides the ability to control the rudder due to the differential pedal deflection in the horizontal plane, as well as separate brake control due to the individual pedal deflection in the vertical plane.

However, this device does not provide ergonomic movement of the pilot's legs, since it requires a foot turn around a vertical axis. This feature also limits the range of pedal deviation, as well as the sharing of various control channels of the device.

Closest to the claimed is the technical solution of the pedal assembly, presented in the application for utility model CN 202189480 - "General simulation pedal", which is a assembly of two pedals placed on the reciprocating rocking chair. In this case, the pedals have the ability to individually tilt in the longitudinal vertical plane with the provision of a return force with the help of loaders, which are simultaneously an element of the parallelogram mechanism of pedal movement in the longitudinal plane.

The disadvantage of this solution is the complex gear mechanism for providing the opposite direction of pedal movement. This mechanism is difficult to manufacture and configure, does not provide the flexibility to adjust the relative position of the pedals and limits the force applied to the pedals.

Utility Model Disclosure

The objective of this utility model is to create a system and method for realizing the functional of the pedal assembly of the aircraft, namely: the possibility of realizing mutual antidirectional plane-parallel movement of pedals in combination with the possibility of individual deviation of each pedal in a longitudinal vertical plane.

The technical result of the utility model is the kinematic diagram and the technical implementation of the system, ensuring the fulfillment of the task in combination with constructive and technological simplicity, as well as the possibility of flexible configuration and joint coordinated use of the two nodes in the flight simulator.

To achieve a technical result, several basic kinematic schemes have been applied that perform various tasks and are combined into a single system. The pedals are longitudinally moved using a flat parallelogram mechanism, two cylindrical joints of which are fixed motionless, and a pedal is attached to the other two. The pedal is rotated in the longitudinal vertical plane by changing the length of one of the levers of the parallelogram. The kinematic connection of two pedal blocks (two parallelogram mechanisms) is provided by means of a rocking chair connected to levers using rods with spherical joints. Feedback and return of the mechanism to its original position is carried out using elastic elements (gas or spring loaders) connecting the elements of the mechanism with the base.

Brief Description of the Drawings

The utility model is illustrated by drawings, where in FIG. 1 shows a diagram in plan of a separate pedal unit, in FIG. 2 shows the principal removal of the pedal assembly, in FIG. 3 shows a general view of the pedal assembly. The positions in the figures indicate: 1 - base, 2 - rocking arm, 3 - common shaft, 4 - pedal shaft, 5 - pedal, 6 - lever, 7 - variable length rod, 8 - element of the static loading of the pedal, 9 - rod, 10 - hinged tip, 11 - rocking, 12 - axis of the rocking.

Utility Model Implementation

The pedal assembly consists of two pedal blocks. Each pedal block consists of a base part (1), a rocking arm (2) connected to the base by a common shaft of two pedals (3), a pedal (5) combined with an angular displacement lever (6), and mounted on a rocking arm through the shaft of the pedal (4), the element of the static loading of the pedal (8), the rod of variable length (7), interconnected by cylindrical hinged nodes. The rocking lever (2), the pedal angular movement lever (6) and the variable-length rod (7) connected by hinges form a parallelogram mechanism that provides longitudinal movement of each pedal with a fixed rod length (7). The required characteristic of the longitudinal movement of the pedals is provided by the static loading element (loader) (8) of the longitudinal movement of the pedal, articulating the rocking arm (2) and the base (1). In any longitudinal position of the pedal, the possibility of its angular movement (rotation) around the shaft (4) of fastening to the lever (2) is provided. The required characteristic of angular displacement is provided by a variable-length rod (7) made in the format of a gas piston and acting as an angular displacement loader.

The pedal assembly (Fig. 2) consists of two pedal blocks (Fig. 1) located in parallel and connected by a rocking chair (11) through rods (9) with hinged tips (10). The rocking chair, rotating on a vertical axis (12), provides a coordinated opposite longitudinal movement of the two pedals.

When a force is applied to one of the pedals in the longitudinal direction, the parts (2) and (7) rotate around their axes relative to the base (1), providing translational movement of the pedal (5) in the longitudinal plane. In this case, the rod (9) transfers the force to the rocker (11), which, in turn, creates a force that moves the second pedal in the opposite direction. In this case, the loader (8) is compressed, creating a feedback feedback force. An angular displacement sensor located on the common shaft of the pedal blocks (3) determines the angle of rotation of the rocking arm (2) and transmits information to the control system.

When the force is removed, the static loading element (loader) (8), moving apart, returns the pedal to its original position. In this case, the rocking mechanism (11) provides a synchronous return to the initial position of the second pedal.

When a moment is applied to the pedal (5) by pressing its upper end, the pedal rotates around its shaft (4) relative to the rocking arm (2) without moving the latter. At the same time, the variable-length stem (pedal turn loader) (7) is compressed, providing a return force. The angle sensor located on the shaft (4) of the pedal (5) determines the angle of rotation of the pedal relative to the lever and transmits information to the control system.

When removing the control moment, the loader (7), moving apart, ensures that the pedal returns to its original position. The angular movement (rotation) of the pedals (5) around the shaft (4) is carried out independently of each other, since the rotation of each pedal provides control of a separate mechanism of the simulator.

The pedal assembly is designed as an autonomous module, a general view of which is shown in FIG. 3. Allowed both autonomous and paired use of nodes (the latter is necessary when modeling the cockpit simulator of a passenger aircraft with a parallel arrangement of pilots). When paired, the synchronization of the operation of the pedal nodes is provided by a bar connecting the rocking chair (11) of the two nodes. When you move the pedals of one node, the rocking chair rotates, transmitting rotation through the bar to the rocking chair of the second node, which provides synchronous with the first change in the position of the pedals of the second node. In this case, the synchronization of the rotation of the pedals of two nodes around the pedal shaft (4) is not carried out.

An essential feature of the presented assembly is its high technological design: most of the elements are bent parts, the blanks of which are cut using a laser. The use of ready-made units and cheap technological processes can significantly reduce the cost of manufacturing the site in comparison with the presented analogues (in which parts manufactured by machining predominate, which is a long and expensive process) with comparable consumer qualities.

Claims (5)

1. The pedal mechanism of the flight simulator, including pedal blocks fixed on the base from opposite sides, interconnected to provide reciprocating movement of the pedal blocks, each pedal block comprising: a rocking lever, connected at one end to a common shaft of the pedal blocks, fixed on the base, the other end of the rocking arm is rotatably connected to a shaft on which the pedal is rigidly fixed; lever and rod of variable length, where the lever is rigidly connected to the pedal shaft at one end and movable with one end of the variable length rod with the possibility of moving the rod in the plane of movement of the lever, the other end of the variable length rod is rigidly connected to the base with the possibility of movement in the plane of movement a lever that is connected to the rocking lever with the possibility of a summary rotation of the pedal shaft; the element of the static loading of the pedal, made in the form of a gas spring, one end rigidly connected to the rocking arm, the other with the base; wherein the pedal blocks are interconnected by means of two rods with hinged tips, each of which is connected at one end to a rocking arm, and the other to a common rocking chair, made in the form of a plate mounted on its own shaft located perpendicular to the plane of the plate, while the shaft is rigidly attached to the base; and the connection points of the parts — the rocking arm, the lever, the variable-length rod and the base — together with the mentioned parts form a parallelogram with the longitudinal movement of each pedal for a fixed variable-length rod. 2. The pedal mechanism of the flight simulator according to claim 1, characterized in that the variable-length rod is made in the form of a gas spring with an estimated force on the rod. 3. The pedal mechanism of the flight simulator according to claim 1, characterized in that the base is a U-shaped profiled part.

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