CN106327947B - A kind of sporting flying simulator - Google Patents

Abstract

The present invention provides a flight motion simulator for simulating the motion of a guidance device during flight. The flight motion simulator includes: a support system, the support system includes a base and two sides mounted on the base. A pair of support ear seats; an outer frame, which is driven by two outer frame hydraulic motors installed on the pair of support ear seats, for simulating the pitching motion of the guiding device; a middle frame, which is installed on the A middle frame of the outer frame is driven by a hydraulic motor for simulating the yaw motion of the guiding device; and an inner frame, which is driven by a torque motor mounted on the middle frame, for simulating the rolling of the guiding device Turn movement. The flight motion simulator of the present invention can meet the testing requirements of high maneuverability guidance equipment.

Description

a flight simulator

technical field

The invention relates to the field of simulation technology, in particular to a flight motion simulator used for simulating the motion of a guidance device during flight.

Background technique

The flight motion simulator is an important part of the hardware-in-the-loop simulation test system for tracking and guidance equipment, and is often used in conjunction with the target motion simulator. The flight motion simulator is used to simulate the tracking and guidance equipment, such as the various attitudes of the missile in flight, and the target motion simulator is used to simulate the motion of the target source tracked by the missile. The flight motion simulator usually contains three degrees of freedom motion, which are used to simulate the roll, yaw and pitch of the guidance device, and usually use a motor to drive the motion of the three degrees of freedom. With the development of missile propulsion systems, the guidance equipment may be subjected to greater accelerations during actual work. However, the power density of the current motor is relatively low, which cannot meet the test of high maneuverability missile guidance equipment, so a flight motion simulator with high motion performance is required.

SUMMARY OF THE INVENTION

In view of the above problems, the purpose of the present invention is to provide a flight motion simulator in the form of a horizontal three-axis turntable hybrid driven by a hydraulic motor and a torque motor, which can meet the testing requirements of high maneuverability guidance equipment.

According to an aspect of the present invention, a flight motion simulator is provided for simulating the motion of a guidance device during flight, the flight motion simulator includes: a support system, the support system includes a base and a base mounted on the base A pair of support ear seats on both sides of the device; the outer frame, which is driven by the two outer frame hydraulic motors installed on the pair of support ear seats, used to simulate the pitching motion of the guiding device; the middle frame, which is driven by the two outer frame hydraulic motors installed on the pair of support ear seats A middle frame hydraulic motor mounted on the outer frame is driven for simulating the yaw motion of the guiding device; and an inner frame is driven by a torque motor mounted on the middle frame for simulating the guiding device The rolling motion of the induced device.

According to an embodiment, the outer frame is an O-shaped frame structure, and the outer frame shafts located on the left and right sides of the O-shaped frame structure are respectively connected with the shafts of the two outer frame hydraulic motors through expansion sleeves.

According to an embodiment, the middle frame is a U-shaped frame structure, and the middle frame shafts located on the two arms of the U-shaped frame structure are connected with the holes on the upper and lower sides of the O-shaped frame structure through crossed roller bearings, And wherein the middle frame hydraulic motor is connected with the middle frame shaft through an expansion sleeve.

According to an embodiment, the inner frame includes: an inner frame shaft connected to the middle frame through a single crossed roller bearing; a load plate connected to one end of the inner frame shaft with a for installing the guiding device; and a conductive slip ring, the rotor of which is connected to the other end of the inner frame shaft and the stator of the conductive slip ring is connected to the middle frame, for connecting the The electrical lines of the guiding device and the torque motor are led out.

According to an embodiment, the stator of the torque motor is connected with the middle frame and the rotor of the torque motor is connected with the inner frame shaft, and wherein the rotor of the conductive slip ring rotates with the rotor of the torque motor.

According to an embodiment, an extension interface is provided on the outer side of the base for extending the flight motion simulator into a simulator for simulating motion with five degrees of freedom.

According to an embodiment, an oil circuit is provided in the shaft of one of the two outer frame hydraulic motors for supplying oil to the middle frame hydraulic motor.

According to an embodiment, the outer frame, the middle frame and the inner frame are all provided with a code wheel for measuring the position of the shaft rotation angle of the outer frame, the middle frame and the inner frame.

According to an embodiment, the outer frame is provided with a buffer and a limit block for limiting the stroke of the middle frame, and the support lug is provided with a buffer and a limit block for limiting the stroke of the outer frame.

According to an embodiment, the main structures of the outer frame and the middle frame are all cast aluminum. The other moving parts of the outer frame, middle frame and inner frame are all machined from hard aluminum alloys.

According to an embodiment, the middle frame hydraulic motor is designed and processed by using a hard aluminum material.

Description of drawings

The accompanying drawings, which form a part of this specification, illustrate embodiments of the present invention, however, the embodiments shown in the accompanying drawings are illustrative only and not restrictive. Similar reference numerals are used in the drawings to refer to similar elements.

FIG. 1 is a schematic diagram showing the overall structure of a flight motion simulator according to an embodiment of the present invention.

FIG. 2 is a schematic diagram illustrating an exploded structure of a flight motion simulator according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram showing a base of an embodiment of the present invention.

FIG. 4 is a schematic diagram showing the shafting structure of the inner frame and the middle frame according to the embodiment of the present invention.

FIG. 5 is a schematic diagram showing the shaft system structure of the outer frame according to the embodiment of the present invention.

Detailed ways

The flight motion simulator according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 and FIG. 2 show schematic diagrams of the whole and exploded structure of a flight motion simulator according to an embodiment of the present invention. As shown in Figure 1, the flight motion simulator of the present invention adopts the structure of a horizontal three-axis turntable, wherein the inner frame is used to simulate the rolling motion of the guidance device, the middle frame is used to simulate the yaw motion of the guidance device, and The outer frame is used to simulate the pitch motion of the guidance device.

Specifically, as shown in FIG. 2 , the flight motion simulator includes: support systems 201 , 202 , 203 , which include a base 201 and a pair of support ears 202 , 203 installed on both sides of the base 201 ; an outer frame 204 , which It is driven by two outer frame hydraulic motors 205 and 206 installed on the support ears 202 and 203 to simulate the pitching motion of the guiding device; the middle frame 207 is driven by a middle frame hydraulic motor 208 installed on the outer frame 204. for simulating the yaw motion of the guiding device; and the inner frame 209, which is driven by a torque motor mounted on the middle frame 207, for simulating the rolling motion of the guiding device. In this embodiment, the hydraulic motors of the outer frame and the middle frame are oscillating vane hydraulic motors, but the present invention is not limited thereto. As shown in the figure, in this embodiment, the outer frame 204 is provided with a buffer 212 and a limit block 213 for limiting the stroke of the middle frame 207 , and the support ear seats 202 and 203 are provided with a buffer for limiting the stroke of the outer frame 204 . Buffer 210 and limit block 211 .

FIG. 3 is a schematic structural diagram showing a base of an embodiment of the present invention. Fig. 3 shows the installation position 301 of the support ear seat; and the extended five-axis installation position 302, which is used to set the expansion interface, and as required, the flight motion simulator can be extended to simulate the flight of the five-axis turntable structure of five-degree-of-freedom motion Motion Simulator.

FIG. 4 is a schematic diagram showing the shafting structure of the inner frame and the middle frame according to the embodiment of the present invention. As shown in FIG. 4, in this embodiment, the inner frame includes: an inner frame shaft 402, which is connected with the middle frame 406 through a single crossed roller bearing 403; a load plate 401, which is connected with one end of the inner frame shaft 402, and is and the conductive slip ring 404, the rotor of the conductive slip ring 404 is connected with the other end of the inner frame shaft 402 and the stator of the conductive slip ring 404 is connected with the middle frame 406 for connecting the guiding device and the inner frame 406 The electrical circuit of the torque motor 405 is led out.

As shown in FIG. 4 , the stator of the torque motor 405 is connected to the middle frame 406 and the rotor of the torque motor 405 is connected to the inner frame shaft 402 , and the rotor of the conductive slip ring 404 rotates with the rotor of the torque motor 405 .

As shown in FIG. 4 , in this embodiment, the middle frame 406 is a U-shaped frame structure, and the middle frame shafts 407 located on the two arms of the U-shaped frame structure are connected to the upper and lower sides of the outer frame 411 through the crossed roller bearings 408 The holes are connected, and the middle frame hydraulic motor 410 is connected with the middle frame shaft 407 through the expansion sleeve 409 .

FIG. 5 is a schematic diagram showing the shaft system structure of the outer frame according to the embodiment of the present invention. As shown in FIG. 5 , in this embodiment, the outer frame is an O-shaped frame structure, and the outer frame shafts 502 located on the left and right sides of the O-shaped frame structure pass through the expansion sleeve 503 and the two outer frame hydraulic motors 504 and 505 respectively. shaft connection. As shown in FIG. 5 , in this embodiment, an oil circuit is provided in the shaft of one of the two outer frame hydraulic motors 505 for supplying oil to the middle frame hydraulic motor 410 .

In the embodiment, the outer frame, the middle frame and the inner frame are all provided with code discs, which are used to measure the position of the shaft rotation angle of the outer frame, the middle frame and the inner frame.

In the embodiment, the main structures of the outer frame and the middle frame are all made of cast aluminum. The other moving parts of the outer frame, middle frame and inner frame are all machined from hard aluminum alloys. The hydraulic motor in the middle frame is designed and processed with duralumin. However, the present invention is not limited to this.

The assembling method of the flight motion simulator of the present invention will be described below, that is, firstly, the inner frame shafting and the motor are installed on the middle frame, then the middle frame is installed on the outer frame, and finally the outer frame, the support ear seat and the base are installed together. .

Specifically, first, install the inner frame components to ensure the smooth rotation of the inner frame shafting;

Install the middle frame on the outer frame. During the installation process, use a laser measuring device to adjust the two shafts of the middle frame through the threaded holes to ensure that they are on the same axis. After the adjustment is completed, install the middle frame hydraulic motor, and use a torque wrench to tighten the tensioning sleeve with the same torque;

Fix the middle frame by corresponding tooling so that it does not rotate relative to the outer frame;

Fix the ear seat on the base, and adjust the support ear seat to make it concentric through the laser ranging device;

Install the left outer frame hydraulic motor on the left ear seat;

Move the outer frame between the two support lugs by a crane, adjust it to a suitable position, and loosely connect the left motor shaft to the left side of the outer frame;

Install the hydraulic motor of the right outer frame, and adjust the two motor shafts of the outer frame to be on the same axis through the laser ranging device. After the adjustment is completed, tighten the tensioning sleeve.

As mentioned above, the present invention proposes a flight motion simulator in the form of a horizontal three-axis turntable structure driven by a hybrid of a hydraulic motor and a torque motor, which can meet the test requirements of high maneuverability guidance equipment.

Obviously, the above-mentioned embodiments are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. However, these obvious changes or changes derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (5)

1. a flight motion simulator for simulating the motion of a guiding device in flight, the flight motion simulator comprising: a support system, the support system includes a base and a pair of support ears mounted on both sides of the base; an outer frame, which is driven by two outer frame hydraulic motors mounted on the pair of support ear seats, for simulating the pitching motion of the guiding device; a middle frame driven by a middle frame hydraulic motor mounted on the outer frame for simulating the yaw motion of the guide device; and an inner frame driven by a torque motor mounted on the middle frame for simulating the rolling motion of the guiding device, Wherein, the outer side of the base is provided with an expansion interface, which is used to expand the flight motion simulator into a simulator for simulating five-degree-of-freedom motion; The outer frame is provided with a buffer and a limit block for limiting the stroke of the middle frame, and the support ear seat is provided with a buffer and a limit block for limiting the stroke of the outer frame; An oil circuit is provided in the shaft of one of the two outer frame hydraulic motors for supplying oil to the middle frame hydraulic motor; and The inner frame includes an inner frame shaft, which is connected to the middle frame through a single crossed roller bearing; a load plate, which is connected to one end of the inner frame shaft for installing the guide. guide device; and a conductive slip ring, the rotor of the conductive slip ring is connected to the other end of the inner frame shaft and the stator of the conductive slip ring is connected to the middle frame, for connecting the guiding device and all The electrical circuit of the torque motor is drawn out. 2. The flight motion simulator according to claim 1, wherein the outer frame is an O-shaped frame structure, and the outer frame shafts located on the left and right sides of the O-shaped frame structure are connected to the two outer frame shafts through expansion sleeves respectively. Shaft connection of frame hydraulic motor. 3. The flight motion simulator according to claim 2, wherein, the middle frame is a U-shaped frame structure, and the middle frame shafts located at the two arms of the U-shaped frame structure are connected with each other at the O-shaped frame through crossed roller bearings. The holes on the upper and lower sides of the frame structure are connected, and the middle frame hydraulic motor is connected with the middle frame shaft through an expansion sleeve. 4. The flight motion simulator of claim 1, wherein a stator of the torque motor is connected to the middle frame and a rotor of the torque motor is connected to the inner frame shaft, and wherein the conductive slip ring The rotor rotates with the rotor of the torque motor. 5. The flight motion simulator as claimed in claim 1, wherein the outer frame, the middle frame and the inner frame are all provided with a code wheel for measuring the position of the shaft rotation angle of the outer frame, the middle frame and the inner frame .