Aviation seat test device and test method

Abstract

The present application belongs to the field of special tests for aviation seats, and particularly relates to an aviation seat test device and experimental method. The device includes: a load-bearing frame unit, a swing arm unit, and a loading unit. The aviation seat test device and experimental method of the present application can be used for static, stiffness, fatigue and other load tests on aviation seats, which changes the current situation where aviation seat tests require non-standard seat test platforms, greatly shortening the seat test cycle; the structure is compact, and the overall dimensions (length × width × height) are less than 2.5m × 3.2m × 2.4m, which can greatly save laboratory space; the swing arm structure is used to realize vertical loading and horizontal loading using the same set of loading actuators, reducing the test cost; the loading units and the like are all electric systems, which are clean energy and will not cause oil, noise and other pollution to the laboratory environment.

Claims

1. An aviation seat test device, characterized in that: Comprising: A load-bearing frame (1), the load-bearing frame (1) is fixedly installed on the laboratory floor, a seat installation slide rail (8) is installed at the bottom of the load-bearing frame (1), and a frame vertical positioning hole (4) and a frame horizontal positioning hole (7) are provided in the middle of the load-bearing frame (1); A seat test piece, the seat test piece is installed on the seat installation slide rail (8); A dummy simulation piece (12), the dummy simulation piece (12) is installed on the seat test piece through a seat belt; A swing arm (2), the swing arm (2) is installed on the load-bearing frame (1) through a swing arm rotating shaft (5), a swing arm positioning hole (14) is provided on the swing arm (2), and a horizontal / vertical electric actuator support rod (17) is provided on the swing arm (2); A swing arm angle adjustment electric actuator (9), one end of the swing arm angle adjustment electric actuator (9) is connected to the load-bearing frame (1), and the other end is connected to the swing arm (2), the swing arm angle adjustment electric actuator (9) can drive the swing arm (2) to reach a vertical position or a horizontal position, wherein, When the swing arm (2) is in the vertical position, the swing arm positioning hole (14) is connected with the frame vertical positioning hole (4) through a positioning pin (13) to realize the positioning of the swing arm (2); When the swing arm (2) is in the horizontal position, the swing arm positioning hole (14) is connected with the frame horizontal positioning hole (7) through a positioning pin (13) to realize the positioning of the swing arm (2); A horizontal / vertical electric actuator (3), the horizontal / vertical electric actuator (3) is installed on the swing arm (2) through a horizontal / vertical electric actuator joint bearing (18), and the horizontal / vertical electric actuator (3) is fixedly connected to the horizontal / vertical electric actuator support rod (17), and the piston rod of the horizontal / vertical electric actuator (3) is connected to the dummy simulation piece (12); A lateral electric actuator (6), the lateral electric actuator (6) is installed on the load-bearing frame (1) through a lateral electric actuator support seat (16), wherein the lateral electric actuator support seat (16) passes through the pin shaft installation hole of the swing arm (2) and then is connected to the load-bearing frame (1), and the piston rod of the lateral electric actuator (6) is connected to the dummy simulation piece (12).

2. The aviation seat test device according to claim 1, characterized in that: [[ID= ​ ​ 3. The aviation seat test device according to claim 2, characterized in that: ​ 4. The aviation seat test device according to claim 2, characterized in that: A protective plate (15) is installed on one of the other two opposite side surfaces of the load-bearing frame (1).

5. The aviation seat test device according to claim 4, characterized in that: A horizontal limiting platform (10) is provided on the other of the other two opposite side surfaces of the load-bearing frame (1).

6. The aviation seat test device according to claim 5, characterized in that: The top surface of the load-bearing frame (1) is provided with a vertical limiting platform (11).

7. The aviation seat testing device according to claim 1, characterized in that: The swing arm (2) is U-shaped and comprises two side arms and a main arm connecting the two side walls, wherein: Both side arms are provided with swing arm positioning holes (14); The horizontal / vertical electric actuator support rod (17) is parallel to the main arm, and the two ends of the horizontal / vertical electric actuator support rod (17) are respectively connected to the two side arms, and the horizontal / vertical electric actuator (3) is connected to the main arm through the horizontal / vertical electric actuator joint bearing (18).

8. The aviation seat testing device according to claim 1, characterized in that: The piston rod of the horizontal / vertical electric actuator (3) is connected to the dummy simulation part (12) via a joint bearing or a ball joint.

9. The aviation seat testing device according to claim 1, characterized in that: The piston rod of the lateral electric actuator (6) is connected to the dummy simulation part (12) via a joint bearing or a ball joint.

10. An aviation seat test method, based on the aviation seat test device according to any one of claims 1 to 9, characterized in that: include: The vertical loading test process is as follows: the swing arm angle adjustment electric actuator (9) drives the swing arm (2) to reach a vertical position. After the swing arm (2) is positioned, multiple horizontal / vertical electric actuators (3) respectively apply vertical loads to the dummy simulation part (12) installed on the seat test piece to realize the vertical loading function; The horizontal loading test process is as follows: the swing arm angle adjustment electric actuator (9) drives the swing arm (2) to a horizontal position. After the swing arm (2) is positioned, multiple horizontal / vertical electric actuators (3) respectively apply horizontal loads to the dummy simulation part (12) installed on the seat test piece to realize the horizontal loading function; The lateral loading test process is as follows: a lateral electric actuator (6) applies a lateral load to a dummy simulation part (12) installed on a seat test part, thereby realizing a lateral loading function.

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