CN103335836B - Aircraft seat multi-function test stand - Google Patents

Abstract

A comprehensive test bench for aircraft seats, comprising a support base, on which a roll rotation device is provided, a self-rotating roll support is provided in the roll rotation device, and a pitch rotation device is rotatable with the roll support It is movably connected and fixedly connected with the drive device fixedly installed on the roll bracket. The pitch rotation device is provided with a seat positioning plate for connecting with the seat model; control device. The comprehensive test bench for aircraft seats provided by the invention can be compatible with the test requirements of different types of seats, achieve "one machine with multiple functions", and reduce the test cost. At the same time, various postures of the seat in flight can be simulated, which is beneficial to the test and research of the safety performance of the seat. The operation of the invention is safe and reliable.

Description

Aircraft seat comprehensive test bench

technical field

The invention relates to a safety testing device, in particular to an aircraft seat comprehensive test bench.

Background technique

The seat is one of the important parts of the aircraft. One of its functions is to provide the passengers with a comfortable riding environment, and the other is to realize the life-saving function of the passengers when the aircraft is in an emergency. Therefore, the attitude control performance test of the seat during flight is very necessary. At present, there is no special equipment for seat flight attitude control performance test.

Contents of the invention

The technical problem to be solved by the present invention is to provide a comprehensive test bench for aircraft seats, which can simulate various postures of the seat: realize the stepless adjustment of the seat pitch from 0° to ±90°, and realize the seat roll from 0° to ±90°. Steplessly adjustable within the range of ±180°, when the seat is adjusted to the preset position, it can be locked reliably, and the seat angle control accuracy is 0.5°.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a comprehensive test bench for aircraft seats, including a support base, on which a roll rotation device is provided, and a self-driven rotation device is provided in the roll rotation device. The rotating roll bracket, the pitch rotation device is rotatably connected with the roll bracket, and is fixedly connected with the driving device fixedly installed on the roll bracket, and the pitch rotation device is provided with a seat positioning for connecting with the seat model plate;

There is also a control device for controlling the pitch rotation device and the roll rotation device.

The support base is provided with a column, and in the roll rotation device, the roll spindle is rotatably passed through the column and fixedly connected to the roll support, and the roll support is provided with two parallel cantilever arms, and the pitch support can be The swivel mount is between two cantilevers.

A roll sensor is provided on the roll rotation device, and a pitch sensor is provided on the pitch rotation device.

The roll main shaft is rotatably supported in the roll axle box, and is connected with the roll drive shaft through the roll gear pair, and the roll drive shaft is connected with the roll servo motor through the roll reducer.

A roll sensor is also provided on the roll transmission shaft or the roll main shaft.

In the pitch rotation device, the pitch bracket is rotatably connected to the roll bracket through the pitch rotation shaft, the pitch rotation shaft at at least one end of the pitch bracket is fixedly connected to the output shaft of the pitch reducer, and the input shaft of the pitch reducer is connected to the pitch The servo motor is fixedly connected, and the pitch reducer is fixedly connected with the roll support.

A pitch sensor is also provided on the pitch rotation axis.

In the pitching bracket, the two ends of the two pitching lugs are fixedly connected by a pitching crossbar, the pitching crossbar is provided with a seat positioning plate, and the middle part of the pitching lugs is provided with a pitching axis hole matched with the pitching rotation axis.

A seat lifting device for lifting the seat model is also provided on the column. In the seat lifting device, the lifting support shaft is fixedly connected with the column, the lifting support shaft is provided with a cantilever beam, and the free end of the cantilever beam is provided with a The hoisting hook is connected with the hoisting device, and the hoisting device is also electrically connected with the control device.

A plurality of casters are also arranged under the support base.

A plurality of screw jacks are also arranged under the support base.

The comprehensive test bench for aircraft seats provided by the invention can be compatible with the test requirements of different types of seats, achieve "one machine with multiple functions", and reduce the test cost. At the same time, various postures of the seat in flight can be simulated, which is beneficial to the test and research of the safety performance of the seat. The operation of the invention is safe and reliable.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Fig. 1 is a schematic diagram of the front view structure of the present invention.

Fig. 2 is a schematic isometric view of the present invention.

Fig. 3 is a schematic isometric view of the lifting device in the present invention.

Fig. 4 is a schematic isometric view of the roll axle box in the present invention.

Fig. 5 is a schematic cross-sectional structure diagram of the rolling axle box in the present invention.

Fig. 6 is a schematic isometric structural view of the pitch rotation device and the roll rotation device in the present invention.

Fig. 7 is a schematic isometric view of the pitch support in the present invention.

In the figure: seat model 1, support base 2, seat lifting device 3, pitch rotation device 4, roll rotation device 5, control device 6, casters 7, screw jack 8, hook 9, cantilever beam 10, winch Device 11, cantilever beam box 12, lifting support shaft 13, roll main shaft 14, roll axle box 15, end cover 16, roll sensor 17, roll reducer 18, roll servo motor 19, roll drive shaft 20 , roll gear pair 21, roll bracket 22, pitch bracket 23, pitch sensor 24, pitch reducer 25, pitch servo motor 26, pitch ear plate 27, pitch rotation shaft 28, pitch bar 29, pitch shaft hole 30, Seat positioning plate 31, column 32.

Detailed ways

As shown in Figure 1-2, a comprehensive test bench for aircraft seats includes a support base 2, on which a roll rotation device 5 is provided, and a self-driven rotation roll rotation device 5 is provided on the support base 2. Bracket 22, the pitch rotation device 4 is rotatably connected with the roll bracket 22, and is fixedly connected with the driving device fixedly installed on the roll bracket 22, and the pitch rotation device 4 is provided with a seat for connecting with the seat model 1 Chair positioning plate 31; the roll rotation device 5 is used to make the seat model 1 realize stepless adjustment within the range of 0° to ±180°, and the pitch rotation device 4 is used to make the seat model 1 realize 0° Steplessly adjustable to ±90°. With this structure, the aircraft seat is in a desired posture.

A control device 6 for controlling the pitch rotation device 4 and the roll rotation device 5 is also provided. The control device 6 in this example is used to send control signals to control the rotation angles of the pitch rotation device 4 and the roll rotation device 5, and to provide power. side, but it is also feasible to set the control device 6 integrally on the support base 2.

As shown in Figures 1, 4, and 5, the support base 2 is provided with a column 32. In the roll rotation device 5, the roll main shaft 14 is fixedly connected to the roll bracket 22 through the column 32 rotatably, so that The roll bracket 22 can rotate on the column 32 with the roll main shaft 14 as the axis. The roll support 22 is provided with two parallel cantilever arms, and the pitch support 23 is rotatably installed between the two cantilever arms. The roll bracket 22 provides the basis for the rotational movement of the pitch bracket 23 .

As shown in Fig. 5, the roll main shaft 14 is rotatably supported in the roll axle box 15, and is connected with the roll transmission shaft 20 through the roll gear pair 21, and the roll transmission shaft 20 passes through the roll speed reducer 18 Connect with the roll servo motor 19. The rotation of the roll spindle 14 is driven by a roll servo motor 19 .

A roll sensor 17 is also provided on the roll transmission shaft 20 or the roll main shaft 14 . The provided roll sensor 17 can transmit the rotation angle information of the roll main shaft 14 to the control device 6, so as to realize the automatic control of the test process.

As shown in Figures 6 and 7, in the pitch rotation device 4 described, the pitch bracket 23 is rotatably connected with the roll bracket 22 through the pitch rotation shaft 28, and the pitch rotation shaft 28 at at least one end of the pitch bracket 23 is connected to the pitch speed reducer 25 The output shaft of the pitch reducer 25 is fixedly connected with the pitch servo motor 26, and the pitch reducer 25 is fixedly connected with the roll support 22. The rotation of the pitch servo motor 26 drives the pitch support 23 to rotate, thereby driving the seat model 1 to pitch and rotate.

A pitch sensor 24 is also provided on the pitch rotation axis 28 . The provided pitch sensor 24 can transmit the rotation angle information of the pitch bracket 23 to the control device 6,

As shown in Fig. 7, in the pitch bracket 23, the two ends of the two pitch lugs 27 are fixedly connected by the pitch cross bar 29, the pitch cross bar 29 is provided with a seat positioning plate 31, and the middle part of the pitch ear plate 27 is provided with a The pitch axis hole 30 fits with the pitch rotation axis 28 . The seat positioning plate 31 is used for fixed connection with the seat model 1 .

As shown in Fig. 1-3, the seat lifting device 3 for lifting the seat model 1 is also provided on the column 32. In the seat lifting device 3, the lifting support shaft 13 is fixedly connected with the column 32, and the lifting support shaft 13 is provided with a cantilever beam 10, the free end of the cantilever beam 10 is provided with a suspension hook 9, the hoisting device 11 is connected with the suspension hook 9, and the hoisting device 11 is also electrically connected with the control device 6. Due to the heavy weight of the seat model 1, the seat lifting device 3 provided can greatly reduce the labor intensity in the test process. The seat model 1 is hoisted to a suitable position by the hoisting device 11 , and then the seat model 1 is connected to the seat positioning plate 31 .

As shown in Figures 1 and 2 for optimization, a plurality of casters 7 are provided under the support base 2 . This structure facilitates the movement of the entire test bench. A plurality of screw jacks 8 are also arranged under the support base 2 . With this structure, it can be ensured that the support is firm and reliable during the test, and it can be folded up after the test is completed, so that it is easy to move.

Claims (9)

1. an aircraft seat multi-function test stand, comprise base for supporting (2), it is characterized in that: base for supporting (2) is provided with roll whirligig (5), the roll support (22) of self-driven rotation is provided with in described roll whirligig (5), pitching whirligig (4) is rotatable to be flexibly connected with roll support (22), and be fixedly connected with the drive unit be fixedly mounted on roll support (22), pitching whirligig (4) is provided with the seat location-plate (31) for being connected with seat model (1);

Also be provided with the control device (6) for controlling pitching whirligig (4) and roll whirligig (5);

Described base for supporting (2) is provided with column (32), in roll whirligig (5), roll main shaft (14) is rotatably fixedly connected with roll support (22) through column (32), described roll support (22) is provided with two parallel cantilevers, and tilt mount (23) is rotatable to be arranged between two cantilevers;

Roll whirligig (5) is provided with roll sensor (17), pitching whirligig (4) is provided with pitch sensor (24).

2. a kind of aircraft seat multi-function test stand according to claim 1, it is characterized in that: described roll main shaft (14) is rotatable to be bearing in roll axle box (15), and be connected with roll transmission shaft (20) by roll gear pair (21), roll transmission shaft (20) is connected with roll servomotor (19) by roll speed reduction unit (18).

3. a kind of aircraft seat multi-function test stand according to claim 2, is characterized in that: on roll transmission shaft (20) or roll main shaft (14), be also provided with roll sensor (17).

4. a kind of aircraft seat multi-function test stand according to any one of claim 2-3, it is characterized in that: in described pitching whirligig (4), tilt mount (23) is flexibly connected with roll support (22) is rotatable by pitching turning axle (28), the pitching turning axle (28) of tilt mount (23) at least one end is fixedly connected with the output shaft of pitching speed reduction unit (25), the input shaft of pitching speed reduction unit (25) is fixedly connected with elevation servo motor (26), and pitching speed reduction unit (25) is fixedly connected with roll support (22).

5. a kind of aircraft seat multi-function test stand according to claim 4, is characterized in that: on pitching turning axle (28), be also provided with pitch sensor (24).

6. a kind of aircraft seat multi-function test stand according to claim 5, it is characterized in that: in described tilt mount (23), two pieces of pitching otic placode (27) two ends are fixedly connected with by pitching cross bar (29), pitching cross bar (29) is provided with seat location-plate (31), and pitching otic placode (27) middle part is provided with the pitching axis hole (30) coordinated with pitching turning axle (28).

7. a kind of aircraft seat multi-function test stand according to claim 1, it is characterized in that: on column (32), be also provided with the seat boom hoisting (3) for lifting by crane seat model (1), in described seat boom hoisting (3), lifting back shaft (13) is fixedly connected with column (32), lifting back shaft (13) is provided with semi-girder (10), the free end of semi-girder (10) is provided with suspension hook (9), winding plant (11) is connected with suspension hook (9), and winding plant (11) is also electrically connected with control device (6).

8. a kind of aircraft seat multi-function test stand according to claim 1-3, any one of 5-7, is characterized in that: be also provided with multiple castor (7) under described base for supporting (2).

9. a kind of aircraft seat multi-function test stand according to claim 8, is characterized in that: be also provided with multiple screw jack (8) under described base for supporting (2).