Multi-axis motion simulation rotary table device

Abstract

The utility model relates to a multi-axis motion simulation rotary table device which comprises a base, a rotary disc assembly, a first rotary frame, a second rotary frame and a model fixing plate. The rotating disc assembly comprises an outer ring disc, an inner ring disc and a rotating plate; the outer ring disc is fixedly arranged on the base, the inner ring disc is rotationally connected with the outer ring disc, the inner ring disc can rotate around a first shaft on the outer ring disc, and the rotating plate is installed on the inner ring disc. The first rotating frame is installed on the rotating plate and can rotate around the second shaft on the rotating plate. The second rotating frame is installed on the first rotating frame, and the second rotating frame can rotate around a third shaft on the first rotating frame. The model fixing plate is fixedly installed on the second rotating frame, and a plurality of through holes used for fixing a to-be-tested model are formed in the model fixing plate in a penetrating mode. The inner ring disc and the outer ring disc which are concentric are arranged on the base, so that the height of the whole device in the vertical direction is reduced, the space utilization rate is increased, and the whole device is more compact.

Description

Technical Field

[0001] The utility model relates to the field of experimental simulation, in particular to a multi-axis motion simulation turntable device. Background Art

[0002] In the research and development process of underwater gliders or aircraft, it is usually necessary to conduct experiments on the product in various postures to test whether the product meets the requirements. However, the physical tests are usually costly and time-consuming. The simulated motion turntable device is usually used to install the model to be tested and enable the model to be tested to present various motion postures, thereby simulating the physical test process.

[0003] The hardware-in-the-loop simulation technology can be applied to the development, test, evaluation, and simulation training of complex equipment. Motion simulation is a crucial link, and the turntable device for realizing motion simulation has also become a key device for the hardware-in-the-loop simulation platform. The existing turntable devices have low space utilization rate and occupy a large space. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] The utility model provides a multi-axis motion simulation turntable device, aiming to solve the problem of low space utilization rate of the turntable device in the prior art.

[0006] (2) Technical Solutions

[0007] To solve the above problems, the utility model provides a multi-axis motion simulation turntable device, which includes: a base, a rotating disk assembly, a first rotating frame, a second rotating frame, and a model fixing plate;

[0008] The rotating disk assembly includes an outer ring disk, an inner ring disk, and a rotating plate; the outer ring disk is fixedly arranged on the base, the inner ring disk is located in the inner circle of the outer ring disk, and the inner ring disk is rotatably connected to the outer ring disk. The inner ring disk can rotate around a first axis on the outer ring disk, and the center line of the inner ring disk is collinear with the center line of the first axis. The rotating plate is installed on the inner ring disk;

[0009] The first rotating frame is installed on the rotating plate, and the first rotating frame can rotate around a second axis on the rotating plate;

[0010] The second rotating frame is installed on the first rotating frame, and the second rotating frame can rotate around a third axis on the first rotating frame; any two of the first axis, the second axis, and the third axis are perpendicular to each other;

[0011] The model fixing plate is fixedly installed on the second rotating frame, and a plurality of through holes for fixing the model to be tested are provided through the model fixing plate.

[0012] Preferably, a first servo motor is provided on the base, and a driving gear is fixedly provided on the output shaft of the first servo motor;

[0013] A torque bracket is provided on the inner ring disc, a transmission gear is provided on the torque bracket, the transmission gear meshes with the driving gear, and the center line of the transmission gear is collinear with the center line of the inner ring disc.

[0014] Preferably, a first fixing bracket is provided on the rotating plate, the first fixing bracket includes a first connecting plate and a first fixing plate that are parallel to each other, a second servo motor is fixedly provided on the first fixing bracket, and the second servo motor is located between the first connecting plate and the first fixing plate, and the output shaft of the second servo motor passes through the first fixing plate;

[0015] The first rotating frame includes a first rotating plate, a first intermediate plate, and a first torque wrench that are connected in sequence, wherein the first rotating plate and the first torque wrench are parallel to each other; one end of the first rotating plate is rotatably connected to the first connecting plate, and the first torque wrench is fixedly connected to the output shaft of the second servo motor.

[0016] Preferably, a second fixing ear for fixedly connecting with the first fixing plate is provided on the second servo motor;

[0017] A second flange for fixedly connecting with the first torque wrench is fixedly provided on the output shaft of the second servo motor.

[0018] Preferably, a second fixing bracket is fixedly provided on the first intermediate plate, the second fixing bracket includes a second connecting plate and a second fixing plate that are parallel to each other, a third servo motor is fixedly provided on the second fixing bracket, and the third servo motor is located between the second connecting plate and the second fixing plate, and the output shaft of the third servo motor passes through the second fixing plate;

[0019] The second rotating frame includes a second rotating plate, a second intermediate plate, and a second torque wrench that are connected in sequence, wherein the second rotating plate and the second torque wrench are parallel to each other; one end of the second rotating plate is rotatably connected to the second connecting plate, and the second torque wrench is fixedly connected to the output shaft of the third servo motor.

[0020] Preferably, a third fixing ear for fixedly connecting with the second fixing plate is provided on the third servo motor;

[0021] A third flange for fixedly connecting with the second torque wrench is fixedly provided on the output shaft of the third servo motor.

[0022] Preferably, the model fixing plate is fixedly installed on the second intermediate plate.

[0023] Preferably, a flexible dust-proof sleeve is provided between the base and the model fixing plate, and the rotary disc assembly, the first rotary frame and the second rotary frame are all within the flexible dust-proof sleeve.

[0024] (III) Beneficial effects

[0025] By providing a concentric inner ring disc and outer ring disc on the base, the present utility model reduces the overall height in the vertical direction, improves the space utilization rate, and makes the entire device more compact. Description of the drawings

[0026] Figure 1 It is a schematic diagram of the overall structure of the multi-axis motion simulation turntable device of the present utility model;

[0027] Figure 2 It is an exploded view of the multi-axis motion simulation turntable device of the present utility model;

[0028] Figure 3 It is a schematic diagram of the structure of the first servo motor and the rotary disc assembly in the present utility model;

[0029] Figure 4 It is a schematic diagram of the structure of the base, the model fixing plate and the flexible dust-proof sleeve in the present utility model.

[0030]

Description of reference numerals

[0031] 1: Base; 11: First servo motor; 12: Driving gear;

[0032] 2: Rotary disc assembly; 21: Outer ring disc; 22: Inner ring disc; 23: Rotary plate; 24: Torque bracket; 25: Transmission gear;

[0033] 3: First rotary frame; 31: First rotary plate; 32: First intermediate plate; 33: First torque wrench;

[0034] 4: Second rotary frame; 41: Second rotary plate; 42: Second intermediate plate; 43: Second torque wrench;

[0035] 5: Model fixing plate;

[0036] 6: First fixing bracket; 61: First connecting plate; 62: First fixing plate; 63: Second servo motor; 64: Second fixing ear;

[0037] 7: Second fixing bracket; 71: Second connecting plate; 72: Second fixing plate; 73: Third servo motor; 74: Third fixing ear;

[0038] 8: Flexible dust-proof sleeve. Detailed implementation manners

[0039] In order to better explain the present utility model for easy understanding, the present utility model will be described in detail below with reference to the accompanying drawings through specific implementation manners.

[0040] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If this specific posture changes, the directional indications will also change accordingly.

[0041] In addition, in the present utility model, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0042] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0043] The present utility model provides a multi-axis motion simulation turntable device, and the multi-axis motion simulation turntable device includes: a base 1, a rotating disk assembly 2, a first rotating frame 3, a second rotating frame 4, and a model fixing plate 5. The rotating disk assembly 2 includes an outer ring disk 21, an inner ring disk 22, and a rotating plate 23; the outer ring disk 21 is fixedly arranged on the base 1, the inner ring disk 22 is located in the inner circle of the outer ring disk 21, and the inner ring disk 22 is rotatably connected to the outer ring disk 21. The inner ring disk 22 can rotate around a first axis on the outer ring disk 21, and the center line of the inner ring disk 22 is collinear with the center line of the first axis. The rotating plate 23 is installed on the inner ring disk 22. The first rotating frame 3 is installed on the rotating plate 23, and the first rotating frame 3 can rotate around a second axis on the rotating plate 23. The second rotating frame 4 is installed on the first rotating frame 3, and the second rotating frame 4 can rotate around a third axis on the first rotating frame 3; any two of the first axis, the second axis, and the third axis are perpendicular to each other. The model fixing plate 5 is fixedly installed on the second rotating frame 4, and a plurality of through holes for fixing the model to be tested are penetrated through the model fixing plate 5.

[0044] In the present utility model, the direction of the center line of the first shaft is the vertical direction (i.e., the Z-axis), and the center lines of the second shaft and the third shaft are two mutually perpendicular center lines on the horizontal plane (i.e., the X-axis and the Y-axis respectively). By providing a concentric inner ring plate 22 and an outer ring plate 21 on the base 1, the overall height in the vertical direction is reduced, the space utilization rate is improved, and the whole device becomes more compact. In addition, the model fixing plate 5 is mounted on the base 1 through the rotating disc assembly 2, the first rotating frame 3 and the second rotating frame 4, so that the model fixing plate 5 can rotate in three directions of the X-axis, Y-axis and Z-axis, so that the test model on the model fixing plate 5 can simulate various postures of an actual object in motion, which is convenient for the subsequent research and development and testing of products, such as the research and development of an underwater glider or an airplane in the air.

[0045] Further, a first servo motor 11 is provided on the base 1, and a driving gear 12 is fixedly provided on the output shaft of the first servo motor 11. A torque bracket 24 is provided on the inner ring plate 22, a transmission gear 25 is provided on the torque bracket 24, the transmission gear 25 meshes with the driving gear 12, and the center line of the transmission gear 25 is collinear with the center line of the inner ring plate 22. The torque bracket 24 is located in the inner ring of the inner ring plate 22. In the present utility model, gear transmission is utilized, and the first servo motor 11 is used as a power source to achieve the effect of driving the inner ring plate 22 to rotate relative to the outer ring plate 21. In addition, the first servo motor 11, the driving gear 12, the transmission gear 25 and the torque bracket 24 are all arranged in the inner ring of the inner ring plate 22, greatly improving the space utilization rate and making the structure of the whole multi-axis motion simulation turntable device more compact.

[0046] Furthermore, a first fixing bracket 6 is provided on the rotating plate 23. The first fixing bracket 6 includes a first connecting plate 61 and a first fixing plate 62 that are parallel to each other. A second servo motor 63 is fixed on the first fixing bracket 6, and the second servo motor 63 is located between the first connecting plate 61 and the first fixing plate 62. The output shaft of the second servo motor 63 passes through the first fixing plate 62. The first rotating frame 3 includes a first rotating plate 3123, a first intermediate plate 32 and a first torque wrench 33 that are connected in sequence, wherein the first rotating plate 3123 and the first torque wrench 33 are parallel to each other; one end of the first rotating plate 3123 is rotatably connected to the first connecting plate 61, and the first torque wrench 33 is fixedly connected to the output shaft of the second servo motor 63.

[0047] In the present embodiment, the first fixing bracket 6 is further provided with a plate for connecting the first connecting plate 61 and the first fixing plate 62, so that the first fixing plate 62 bracket is in a U shape. Using the first fixing bracket 6 to install the second servo motor 63 and the first rotating frame 3 also improves the space utilization rate.

[0048] In a preferred embodiment, a second fixing ear 64 for fixedly connecting with the first fixing plate 62 is arranged on the second steering gear 63. A second flange for fixedly connecting with the first torque wrench 33 is fixedly arranged on the output shaft of the second steering gear 63.

[0049] In addition, a second fixing bracket 7 is fixedly arranged on the first intermediate plate 32. The second fixing bracket 7 includes a second connecting plate 71 and a second fixing plate 72 which are parallel to each other. The third steering gear 73 is fixed on the second fixing bracket 7, and the third steering gear 73 is located between the second connecting plate 71 and the second fixing plate 72. The output shaft of the third steering gear 73 passes through the second fixing plate 72. The second rotating frame 4 includes a second rotating plate 4123, a second intermediate plate 42 and a second torque wrench 43 which are connected in sequence, wherein the second rotating plate 4123 and the second torque wrench 43 are parallel to each other; one end of the second rotating plate 4123 is rotatably connected with the second connecting plate 71, and the second torque wrench 43 is fixedly connected with the output shaft of the third steering gear 73.

[0050] A third fixing ear 74 for fixedly connecting with the second fixing plate 72 is arranged on the third steering gear 73. A third flange for fixedly connecting with the second torque wrench 43 is fixedly arranged on the output shaft of the third steering gear 73.

[0051] In the present utility model, the structures of the first fixing plate 62 and the second fixing plate 72 are similar, except for the different installation positions. Similarly, the structures of the first rotating frame 3 and the second rotating frame 4 are also similar. In addition, a steering gear is mainly composed of a housing, a circuit board, a driving motor, a reducer and a position detection element. Its working principle is that a signal is sent from the receiver to the steering gear, and the coreless motor is driven by the IC on the circuit board to start rotating. The power is transmitted to the swing arm through the reduction gear, and at the same time, a signal is sent back by the position detector to judge whether the positioning has been reached. The position detector is actually a variable resistor. When the steering gear rotates, the resistance value will also change accordingly. By detecting the resistance value, the rotation angle can be known.

[0052] Finally, the model fixing plate 5 is fixedly installed on the second intermediate plate 42. A flexible dustproof sleeve 8 is arranged between the base 1 and the model fixing plate 5. The rotating disc assembly 2, the first rotating frame 3 and the second rotating frame 4 are all located inside the flexible dustproof sleeve 8.

[0053] It should be understood that the above description of the specific embodiments of the present utility model is only for explaining the technical route and features of the present utility model, and its purpose is to enable those skilled in the art to understand the content of the present utility model and implement it accordingly. However, the present utility model is not limited to the above specific embodiments. Any changes or modifications made within the scope of the claims of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A multi-axis motion simulation turntable device, characterized in that: The multi-axis motion simulation turntable device comprises: a base (1), a rotating disc assembly (2), a first rotating frame (3), a second rotating frame (4) and a model fixing plate (5); The rotating disk assembly (2) comprises an outer ring disk (21), an inner ring disk (22) and a rotating plate (23); the outer ring disk (21) is fixedly arranged on the base (1), the inner ring disk (22) is located in the inner ring of the outer ring disk (21), and the inner ring disk (22) is rotatably connected to the outer ring disk (21); the inner ring disk (22) can rotate around a first axis on the outer ring disk (21), the center line of the inner ring disk (22) is colinear with the center line of the first axis, and the rotating plate (23) is mounted on the inner ring disk (22); The first rotating frame (3) is mounted on the rotating plate (23), and the first rotating frame (3) is capable of rotating around a second axis on the rotating plate (23); The second rotating frame (4) is mounted on the first rotating frame (3), and the second rotating frame (4) is capable of rotating around a third axis on the first rotating frame (3); any two of the first axis, the second axis and the third axis are perpendicular to each other; The model fixing plate (5) is fixedly mounted on the second rotating frame (4), and a plurality of through holes for fixing the model to be tested are provided through the model fixing plate (5).

2. The multi-axis motion simulation turntable device according to claim 1, characterized in that: A first steering gear (11) is arranged on the base (1), and a driving gear (12) is fixedly arranged on the output shaft of the first steering gear (11); A torque frame (24) is arranged on the inner ring disk (22), and a transmission gear (25) is arranged on the torque frame (24). The transmission gear (25) is meshed with the driving gear (12), and the center line of the transmission gear (25) is colinear with the center line of the inner ring disk (22).

3. The multi-axis motion simulation turntable device according to claim 1 or 2, characterized in that: A first fixed bracket (6) is arranged on the rotating plate (23), the first fixed bracket (6) comprises a first connecting plate (61) and a first fixed plate (62) which are parallel to each other, a second steering gear (63) is fixedly arranged on the first fixed bracket (6), and the second steering gear (63) is located between the first connecting plate (61) and the first fixed plate (62), and an output shaft of the second steering gear (63) passes through the first fixed plate (62); The first rotating frame (3) comprises a first rotating plate (3123), a first intermediate plate (32) and a first torque lever (33) which are connected in sequence, wherein the first rotating plate (3123) and the first torque lever (33) are parallel to each other; one end of the first rotating plate (3123) is rotatably connected to the first connecting plate (61), and the first torque lever (33) is fixedly connected to the output shaft of the second steering gear (63).

4. The multi-axis motion simulation turntable device according to claim 3, characterized in that: The second steering gear (63) is provided with a second fixing ear (64) for fixedly connecting with the first fixing plate (62); A second flange for fixedly connecting to the first torque plate (33) is fixedly arranged on the output shaft of the second steering gear (63).

5. The multi-axis motion simulation turntable device as claimed in claim 3, characterized in that: A second fixing bracket (7) is fixedly arranged on the first intermediate plate (32), the second fixing bracket (7) comprises a second connecting plate (71) and a second fixing plate (72) which are parallel to each other, a third steering gear (73) is fixedly arranged on the second fixing bracket (7), and the third steering gear (73) is located between the second connecting plate (71) and the second fixing plate (72), and an output shaft of the third steering gear (73) passes through the second fixing plate (72); The second rotating frame (4) comprises a second rotating plate (4123), a second intermediate plate (42) and a second torque plate (43) which are connected in sequence, wherein the second rotating plate (4123) and the second torque plate (43) are parallel to each other; one end of the second rotating plate (4123) is rotatably connected to the second connecting plate (71), and the second torque plate (43) is fixedly connected to the output shaft of the third steering gear (73).

6. The multi-axis motion simulation turntable device according to claim 5, characterized in that: The third steering engine (73) is provided with a third fixing ear (74) for fixedly connecting with the second fixing plate (72); A third flange for fixedly connecting to the second torque plate (43) is fixedly arranged on the output shaft of the third steering gear (73).

7. The multi-axis motion simulation turntable device according to claim 5, characterized in that: The model fixing plate (5) is fixedly mounted on the second middle plate (42).

8. The multi-axis motion simulation turntable device according to claim 1 or 2, characterized in that: A flexible dust cover (8) is provided between the base (1) and the model fixing plate (5), and the rotating disc assembly (2), the first rotating frame (3) and the second rotating frame (4) are all located inside the flexible dust cover (8).

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