Multi-degree-of-freedom rotary flight simulator

By constructing a lubricating oil cavity inside the rotating rod of the rotating component and utilizing the injection hole, oil outlet groove, and sponge ring structure, the wear problem of mechanical components caused by alternating loads in multi-degree-of-freedom rotating flight simulators is solved, achieving long service life and safe and reliable operation of the components.

CN120808656APending Publication Date: 2025-10-17GUANGZHOU JIASHI COMPUTER TECH CO LTD
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Patent Information

Application Number
CN202510906079.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2025-10-17

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Abstract

The invention discloses a multi-degree-of-freedom rotation flight simulator, relates to the technical field of flight simulation equipment, and aims to solve the technical problems that mechanical parts can bear alternating loads for a long time and are prone to abrasion, loosening or breakage due to current multi-degree-of-freedom movement, the multi-degree-of-freedom rotation flight simulator comprises an overturning base, and a driving driving position is fixedly arranged at the top of the overturning base; the overturning base comprises a bottom plate, a plurality of overturning assemblies for controlling the driving position to overturn are fixedly installed at the top of the bottom plate, and a supporting plate is fixedly connected between the top ends of the overturning assemblies. A lubricating oil cavity is formed in the rotating rod of the rotating part, and lubricating oil is injected and output through an injection hole and an oil outlet groove; in the working process, after the rotating piece is turned over by a certain angle, the oil outlet groove can move downwards to the declination position, lubricating oil in the lubricating oil cavity can flow out conveniently, and the beneficial effects that lubricating oil can be automatically added, the abrasion condition between matched structures is reduced, and structure lubrication is kept are achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flight simulation devices, more particularly to a multi-degree-of-freedom rotary flight simulator. BACKGROUND

[0002] In the field of flight simulation, multi-degree-of-freedom rotary flight simulators can provide pilots with training and experiences close to real flight environments.

[0003] However, multi-degree-of-freedom movements such as rotation, pitch, and roll can cause mechanical components such as bearings, hydraulic rods, and gears to bear alternating loads for a long time, leading to wear, looseness, or breakage. These problems not only affect the movement accuracy of the simulator, resulting in a decline in training and experience effects, but also may cause safety accidents, threatening the lives of operators. In view of this, we propose a multi-degree-of-freedom rotary flight simulator. SUMMARY

[0004] The present application aims to provide a multi-degree-of-freedom rotary flight simulator to solve the technical problem that current multi-degree-of-freedom movements cause mechanical components to bear alternating loads for a long time, leading to wear, looseness, or breakage.

[0005] To solve the above technical problems, the present application provides the following technical solution: a multi-degree-of-freedom rotary flight simulator, comprising a turnover base, a driving driving position is fixedly arranged on the top of the turnover base;

[0006] The turnover base comprises a bottom plate, a plurality of turnover assemblies for controlling the turnover of the driving driving position are fixedly installed on the top of the bottom plate, a supporting plate is fixedly connected between the top ends of the plurality of turnover assemblies, and a rotating plate fixedly connected with the driving driving position is rotatably installed on the top of the supporting plate;

[0007] The turnover assembly comprises two rotating seats connected with the bottom plate and the supporting plate respectively, a rotating piece is rotatably installed between the opposite faces of each rotating seat, a connecting piece is fixedly arranged on the opposite side of each rotating piece, and a hydraulic cylinder is fixedly connected between the two connecting pieces;

[0008] The rotating piece comprises a rotating rod, a lubricating oil cavity is constructed in the interior of both ends of the rotating rod, a limiting sleeve for limiting is fixedly arranged on both ends of the rotating rod, an injection hole is communicated between the limiting sleeve and the top side wall of the rotating rod, and an oil outlet groove for oil outlet is formed on the top side of the rotating rod combined with the rotating seat.

[0009] The application constructs a lubricating oil cavity inside the rotating rod of the rotating part, and realizes injection and output of lubricating oil through the injection hole and the oil outlet groove.

[0010] Preferably, the rotating seat comprises a mounting plate, two groups of support plates are fixedly arranged on the top surface of the mounting plate, and the two groups of support plates are arranged in a V-shaped manner on the top surface of the mounting plate.

[0011] Preferably, a groove is arranged on the outer wall of the rotating rod and the side surface of the support plate, a sponge ring is arranged on the inner side of the groove in a sleeving manner, and the thickness of the sponge ring is greater than the thickness of the oil outlet groove.

[0012] Preferably, an inner thread is arranged on the inner side of the injection hole, and a plug screw is threadedly connected between the injection hole and the limiting sleeve of the rotating rod.

[0013] Preferably, a driving motor is fixedly arranged at the bottom center of the supporting plate, a rotating shaft is fixedly arranged at the bottom center of the rotating plate and penetrates the plate wall of the supporting plate, and the rotating shaft is fixedly connected with the output end of the driving motor.

[0014] Preferably, an annular groove is arranged at the top of the supporting plate, a limiting part is fixedly arranged at the bottom of the rotating plate and combined with the annular groove, and the cross section of the limiting part is T-shaped.

[0015] Preferably, two limiting rings are fixedly arranged at the top of the annular groove and combined with the surface of the limiting part, a plurality of limiting blocks are arrayed on the opposite side surfaces of the two limiting rings and fixedly connected with the top surface of the supporting plate, and the top surface of the limiting block is flush with the top surface of the supporting plate.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] 1. The application realizes the injection and output of lubricating oil through the lubricating oil cavity inside the rotating rod of the rotating part, the injection hole and the oil outlet groove, and the oil outlet groove is lowered to the downward position after the rotating part is turned over by a certain angle during the working process, so that the lubricating oil inside the lubricating oil cavity can flow out, the contact position between the rotating part and the rotating seat is lubricated, and the continuous lubrication of the rotating contact position is effectively ensured. This design greatly reduces the wear of mechanical parts due to long-term bearing of alternating load in multi-degree-of-freedom motion, prolongs the service life of key parts such as rotating seat and hydraulic cylinder, and reduces the equipment maintenance cost and frequency.

[0018] 2. The sponge ring in the embedded groove at the oil outlet groove can further effectively store and slowly release lubricating oil, reduce the probability of lubricating oil outflow, achieve the effect of continuous lubrication of the rotating position of the rotating rod and the rotating seat, and the design of the sponge ring can reduce the wear between the rotating rod and the rotating seat, achieve the protection effect, further reduce the friction loss, and prolong the service life of the parts.

[0019] 3. The application also realizes the sealing of the lubricating oil cavity by the limiting sleeve at both ends of the rotating part cooperating with the plugging screw at the injection hole, which not only prevents the leakage of lubricating oil, but also plays a good limiting role for the rotating part, avoiding dislocation or separation of the part in complex motion. At the same time, the limiting structure between the supporting plate and the rotating plate, and the stable mechanical support of the turnover assembly effectively reduce the safety hazards such as part fracture, and comprehensively guarantee the life safety of the operator, providing a solid guarantee for the safe operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the application;

[0021] Figure 2 is a schematic diagram of the internal structure of part of the application;

[0022] Figure 3 is a schematic diagram of the local structure of the application;

[0023] Figure 4 is a schematic diagram of the structure of the rotating seat in the application;

[0024] Figure 5 is a schematic diagram of the structure of Figure 4 ;

[0025] Figure 6 is a schematic diagram of the structure of Figure 5 A part of the application;

[0026] Explanation of reference numerals in the drawings:

[0027] 1, turnover base; 2, driving driving position; 3, bottom plate; 4, turnover assembly; 5, supporting plate; 501, driving motor; 502, annular groove; 503, limiting ring; 504, limiting block; 6, rotating plate; 601, limiting piece; 602, rotating shaft; 7, rotating seat; 701, mounting plate; 702, supporting plate; 8, rotating piece; 801, rotating rod; 802, lubricating oil cavity; 803, limiting sleeve; 804, injection hole; 805, oil outlet groove; 806, embedding groove; 807, sponge ring; 808, plugging screw; 9, connecting piece; 10, hydraulic cylinder. DETAILED DESCRIPTION

[0028] As Figures 1 to 6 shown, the application relates to a multi-degree-of-freedom rotary flight simulator, which comprises a turnover base 1, the top of the turnover base 1 is fixedly provided with a driving driving position 2, the turnover base 1 comprises a bottom plate 3, the top of the bottom plate 3 is fixedly provided with a plurality of turnover assemblies 4 for controlling the turnover of the driving driving position 2, the top ends of the plurality of turnover assemblies 4 are fixedly connected with a supporting plate 5, and the top of the supporting plate 5 is rotatably provided with a rotating plate 6 fixedly connected with the driving driving position 2; the stability of the overall position can be maintained through the support of the bottom plate 3, the driving driving position 2 can be controlled to realize multi-angle turnover effect through the cooperation of the turnover assembly 4 and the supporting plate 5, the effect of simulating flight is achieved, and the driving driving position 2 can have a rotatable effect through the rotatable connection between the supporting plate 5 and the rotating plate 6, the state of simulating flight is further improved, and the structural cooperation effect is strengthened, as Figure 1 shown, the bottom plate 3 and the supporting plate 5 are further connected with a shielding cover, so that the protection effect of the internal structure is strengthened, and the overall aesthetics is increased.

[0029] The turnover assembly 4 comprises two rotating seats 7 connected with the bottom plate 3 and the supporting plate 5 respectively, the opposite faces of each rotating seat 7 are rotatably provided with a rotating piece 8, the opposite sides of the two rotating pieces 8 are fixedly provided with two connecting pieces 9, and the two connecting pieces 9 are fixedly connected with a hydraulic cylinder 10; the position angle can be adjusted through the cooperation of the rotating seat 7 and the rotating piece 8, so that different angle rollover actions of the supporting plate 5 are realized, the flexibility of the structural cooperation is maintained, the stability of the working state can be improved through the support of the plurality of hydraulic cylinders 10, for example, when one side of the hydraulic cylinder 10 is elongated and the other side is contracted, the supporting plate 5 will be inclined, driving the driving driving position 2 to simulate the pitching or rolling action of an airplane.

[0030] The rotating part 8 comprises a rotating rod 801, the inner part of both ends of the rotating rod 801 is provided with a lubricating oil cavity 802, the both ends of the rotating rod 801 are fixedly provided with a limiting sleeve 803 for limiting, the limiting sleeve 803 is communicated with the top side wall of the rotating rod 801 and an injection hole 804 is opened, the top side of the rotating rod 801 combined with the rotating seat 7 is provided with an oil outlet groove 805 for oil outlet; the limiting sleeve 803 can limit the combined position of the rotating rod 801 and the rotating seat 7, the injection hole 804 can inject lubricating oil into the lubricating oil cavity 802, then the internal lubricating oil can flow outwards by the position of the oil outlet groove 805 in the working process, so that the contact surface between the rotating rod 801 and the rotating seat 7 can be uniformly coated in the rotating process of the rotating rod 801, so that the wear condition can be reduced in the continuous working process, the durability of the structure is improved, and the fault is not prone to occur.

[0031] In the embodiment of the application, the rotating seat 7 comprises a mounting plate 701, two groups of support plates 702 are fixedly arranged on the top surface of the mounting plate 701, and the two groups of support plates 702 are arranged in a V-shaped manner on the top surface of the mounting plate 701; the both side walls of the support plate 702 are provided with a through hole combined with the rotating part 8; through the structural cooperation, two rotating parts 8 can be arranged on one rotating seat 7, the compactness of the structural arrangement is improved, and the structural support strength is strengthened.

[0032] In the embodiment of the application, the outer wall of the rotating rod 801 combined with the through hole side of the support plate 702 is provided with an embedding groove 806, the sponge ring 807 is sleeved on the inner side of the embedding groove 806, and the thickness of the sponge ring 807 is greater than the thickness of the oil outlet groove 805; the lubricating oil in the lubricating oil cavity 802 is exuded through the oil outlet groove 805 and absorbed by the sponge ring 807 in the embedding groove 806. When the rotating rod 801 rotates, the sponge ring 807 is rubbed with the through hole of the support plate 702, continuously releases the lubricating oil, lubricates the rotating part, reduces the mechanical wear, and prolongs the service life of the equipment.

[0033] In the embodiment of the application, the inner side of the injection hole 804 is provided with an internal thread, and the injection hole 804 communicated with the limiting sleeve 803 of the rotating rod 801 is screw-connected with a plugging screw 808; the injection hole 804 can be conveniently used for injecting lubricating oil into the lubricating oil cavity 802, the plugging screw 808 fixedly connected through the threaded cooperation can play a plugging effect on the injection hole 804, and the limiting strength of the position of the limiting sleeve 803 can be improved, and the stability of the installation position of the rotating rod 801 can be improved.

[0034] In the embodiment of the present application, the driving motor 501 is fixedly installed at the bottom center of the supporting plate 5, the rotating shaft 602 is fixedly arranged at the bottom center of the rotating plate 6 and penetrates the plate wall of the supporting plate 5, and the rotating shaft 602 is fixedly connected with the output end of the driving motor 501; when the driving motor 501 rotates, the rotating shaft 602 is driven to rotate, thereby driving the rotating plate 6 to horizontally rotate on the top of the supporting plate 5, and realizing 360° horizontal rotation of the driving driving position 2 (simulating aircraft turning or circling).

[0035] In the embodiment of the present application, the annular groove 502 is arranged at the top of the supporting plate 5, the limiting piece 601 is fixedly arranged at the bottom of the rotating plate 6 and combined with the annular groove 502, the cross section of the limiting piece 601 is T-shaped, the top notch of the annular groove 502 is fixedly provided with two limiting rings 503 which are attached to the surface of the limiting piece 601, the opposite sides of the two limiting rings 503 are both arrayed with a plurality of limiting blocks 504 which are fixedly connected with the top surface of the supporting plate 5, and the limiting blocks 504 are flush with the top surface of the supporting plate 5; the annular groove 502 can be combined with the limiting piece 601, the connecting position of the limiting piece 601 is limited, the two limiting rings 503 can be fixedly arranged at the two sides of the protruding part of the limiting piece 601, the limiting effect is achieved, the position of the limiting ring 503 is fixed through the connection between the limiting block 504 and the supporting plate 5, the limiting effect of the limiting piece 601 is achieved, the rotation process is safe and reliable, and the rotation simulation of the driving driving position 2 is realized.

[0036] Working principle: the embodiment provides a multi-degree-of-freedom rotary flight simulator, when the simulator needs to simulate the overturning action, the hydraulic cylinder 10 starts to work. The hydraulic cylinder 10 is connected with the rotating part 8 through the connecting pieces 9 at both ends, and the extension and retraction action of the hydraulic cylinder 10 drives the rotating part 8 to rotate between the rotary seats 7. The rotary seat 7 is composed of the mounting plate 701 and two groups of V-shaped support plates 702, and the perforations on the support plates 702 provide the rotating space for the rotating rods 801. With the rotation of the rotating part 8, the turnover plate 5 is overturned under the joint action of the plurality of turnover assemblies 4, and then the driving position 2 fixed on the turnover plate 5 is overturned, so as to simulate various attitude changes in the flight process. When the rotary state is simulated, the driving motor 501 at the bottom center of the turnover plate 5 starts to work. The output end of the driving motor 501 is fixedly connected with the rotating shaft 602 at the bottom center of the rotary plate 6, and when the driving motor 501 rotates, the rotating shaft 602 is driven to rotate, so that the rotary plate 6 rotates on the turnover plate 5. The annular groove 502 at the top of the turnover plate 5 cooperates with the T-shaped limiting piece 601 at the bottom of the rotary plate 6, so as to ensure the stability and accuracy of the rotation of the rotary plate 6. At the same time, the limiting ring 503 and the limiting block 504 in the slot at the top of the annular groove 502 further limit the movement range of the rotary plate 6, so as to ensure the safety and reliability of the rotary process, realize the rotary simulation of the driving position 2, and in the use process, the rotating rods 801 at both ends of the rotating part 8 are internally provided with lubricating oil cavities 802, and lubricating oil can be injected into the lubricating oil cavities 802 through the injection holes 804. The internal thread on the inner side surface of the injection hole 804 cooperates with the plugging screw 808, so as to prevent the lubricating oil from leaking. The sponge ring 807 is sleeved in the embedded groove 806 on the outer wall of the support plate 702, and the thickness of the sponge ring 807 is greater than the thickness of the oil outlet groove 805. When the rotating rod 801 rotates, the lubricating oil seeps out from the oil outlet groove 805, is absorbed by the sponge ring 807 and is evenly coated on the contact surface between the rotating rod 801 and the support plate 702, so as to realize automatic lubrication, reduce friction, prolong the service life of the rotating part 8 and the rotary seat 7, and ensure the stable operation of the simulator.

[0037] The embodiment of the application discloses the preferred embodiment, but is not limited thereto, and those skilled in the art can easily understand the spirit of the application according to the above embodiment, and make different inferences and changes, as long as they do not deviate from the spirit of the application, they are within the protection scope of the application.

Claims

1. A multi-degree-of-freedom rotation flight simulator, characterized in that: It comprises a flip base (1), and a driving position (2) is fixedly provided on the top of the flip base (1); The flip base (1) comprises a bottom plate (3), a plurality of flip assemblies (4) for controlling the flipping of the driving position (2) are fixedly mounted on the top of the bottom plate (3), a supporting plate (5) is fixedly connected between the tops of the plurality of flip assemblies (4), and a rotating plate (6) fixedly connected to the driving position (2) is rotatably mounted on the top of the supporting plate (5); The flip assembly (4) comprises two rotating seats (7) respectively connected to the base plate (3) and the supporting plate (5); a rotating member (8) is rotatably mounted between the facing surfaces of each rotating seat (7); a connecting member (9) is fixedly provided on the facing sides of the two rotating members (8); and a hydraulic cylinder (10) is fixedly connected between the two connecting members (9); The rotating member (8) comprises a rotating rod (801), and lubricating oil chambers (802) are constructed inside both ends of the rotating rod (801). Limiting sleeves (803) for limiting are fixedly provided at both ends of the rotating rod (801), and an injection hole (804) is provided between the limiting sleeve (803) and the top side wall of the rotating rod (801). An oil outlet groove (805) for discharging oil is provided on the top side surface where the rotating rod (801) is combined with the rotating seat (7).

2. The multi-degree-of-freedom rotation flight simulator according to claim 1, characterized in that: The rotating seat (7) comprises a mounting plate (701), and two groups of support plates (702) are fixedly provided on the top surface of the mounting plate (701), and the two groups of support plates (702) are arranged in a V-shape on the top surface of the mounting plate (701), and both side walls of the support plate (702) are provided with through holes for connecting with the rotating member (8).

3. The multi-degree-of-freedom rotation flight simulator according to claim 2, characterized in that: An embedding groove (806) is provided on the outer wall of the rotating rod (801) and the perforated side surface of the support plate (702), and a sponge ring (807) is fitted inside the embedding groove (806), and the thickness of the sponge ring (807) is greater than the thickness of the oil outlet groove (805).

4. The multi-degree-of-freedom rotation flight simulator according to claim 1, characterized in that: The inner side surfaces of the injection holes (804) are all constructed with internal threads, and a blocking screw (808) is threadedly connected between the rotating rod (801) and the injection hole (804) communicating with the limiting sleeve (803).

5. The multi-degree-of-freedom rotation flight simulator according to claim 1, characterized in that: A driving motor (501) is fixedly installed at the bottom center of the supporting plate (5), and a rotating shaft (602) penetrating the wall of the supporting plate (5) is fixedly provided at the bottom center of the rotating plate (6), and the rotating shaft (602) is fixedly connected to the output end of the driving motor (501).

6. The multi-degree-of-freedom rotation flight simulator according to claim 1, characterized in that: An annular groove (502) is provided on the top of the supporting plate (5), and a limiting member (601) coupled with the annular groove (502) is fixedly provided on the bottom of the rotating plate (6), and the cross section of the limiting member (601) is T-shaped.

7. The multi-degree-of-freedom rotation flight simulator according to claim 6, characterized in that: Two limiting rings (503) that are in contact with the surface of the limiting member (601) are fixedly provided at the top notch of the annular groove (502), and a plurality of limiting blocks (504) that are fixedly connected to the top surface of the support plate (5) are arranged in an array on the opposite sides of the two limiting rings (503), and the limiting blocks (504) are flush with the top surface of the support plate (5).