Rolling frame suitable for dynamic flight simulator

Abstract

The invention belongs to the technical field of helicopter dynamic flight simulation, and particularly discloses a rolling frame suitable for a dynamic flight simulator, which comprises a frame body, the frame body comprises an annular upper half frame and an annular lower half frame, and the upper half frame and the lower half frame are mutually buckled and connected to form a frame body structure. The two opposite sides of the upper half frame and the lower half frame are connected with interfaces which are coaxially arranged, and the upper half frame and the lower half frame are of frame structures made of carbon fiber composite materials. The quality of the rolling frame can be effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of helicopter dynamic flight simulation, and particularly relates to a roll frame applicable to a dynamic flight simulator. Background Art

[0002] A dynamic flight simulator generally consists of a main motor, a transmission support unit, a rotating arm, a roll frame, etc. With different requirements for flight simulation, the roll frame may also need to bear multi-axis movements, such as pitching and yawing. In short, a dynamic flight simulator is an important test equipment that uses the rotational movement of the rotating arm, the rolling movement of the roll frame, and the structural movements of the pitching frame, etc. to achieve coordinated multi-degree-of-freedom movements to simulate the acceleration and jerk environments, and is mainly used for tasks such as selection, training, and testing in related fields such as aviation and aerospace.

[0003] Among them, the roll frame connects the rotating arm and the subsequent motion platform, and is a key load-bearing component of a multi-degree-of-freedom centrifuge. In addition to bearing the maximum centrifugal load generated by the structure itself, the subsequent motion platform components, and the test object, etc., it also needs to bear the torsional moment generated by the roll frame drive motor and the subsequent platform drive motor, with severe stress and complex working conditions.

[0004] Currently, the roll frame structure has been maturely applied to various three-degree-of-freedom / four-degree-of-freedom centrifuges, such as being applied to a three-axis turntable, such as a large-load inner-hollow high-precision three-axis horizontal turntable with the application number 201711131877.4 or a three-axis turntable frame shaft system device with the application number 201621308961.X in the prior art, a three-axis manned centrifuge, and a helicopter dynamic flight simulator, such as a three-degree-of-freedom turntable system for a helicopter dynamic flight simulator with the application number 201811044735.9, and a roll frame for a high-G three-degree-of-freedom centrifuge with the application number 201911236932.5 and other equipment.

[0005] The disadvantages of the roll frame in the prior art are: (1) When the load is large (such as carrying a manned cockpit), the anti-overload ability is not strong (generally only applicable to a small G-value environment), not suitable for fast acceleration motion response, and is mainly used for simulating the helicopter flight environment; (2) When the anti-overload ability is large, the load-bearing capacity is small, and the size and mass of the test piece are restricted, and it is mainly used for the environmental simulation routine test of aerospace products.

[0006] The reasons for the above disadvantages are: The traditional roll frame applicable to use under the gravity field or low G-value acceleration field does not need to bear too much centrifugal load generated by itself and the load, and has low requirements for anti-overload ability design, stiffness design, and load-bearing capacity design. This type of roll frame uses ordinary engineering materials (steel) and corresponding traditional processing techniques; Traditional roll frames applicable to higher G values must first ensure the strength and stiffness of the frame. Such frames are also formed using traditional engineering materials (steel) and manufacturing processes. Therefore, the load-bearing capacity and overall mass of the frame cannot be controlled simultaneously. To meet the fast motion response characteristics of the frame, it is necessary to sacrifice the load-bearing capacity and structural dimensions of the frame, that is, the mass and dimensions of the test piece need to be restricted. Summary of the Invention

[0007] The present invention provides a roll frame applicable to a dynamic flight simulator, aiming to effectively improve the mass of the roll frame.

[0008] The present invention is realized through the following technical solutions: A roll frame applicable to a dynamic flight simulator includes a frame body. The frame body includes an upper half frame and a lower half frame in a ring shape. The upper half frame and the lower half frame are connected to each other by buckling to form a frame structure. Interfaces arranged coaxially are connected to both sides of the upper half frame and the lower half frame facing each other. Both the upper half frame and the lower half frame are frame structures made of carbon fiber composite materials.

[0009] Compared with the prior art, the present solution has the following advantages and beneficial effects: In the present solution, the frame body of the roll frame is formed by connecting the upper half frame and the lower half frame to form a closed ring-shaped frame structure. The four interfaces are used to connect with the rotating arm and the cockpit, so as to drive the cockpit to perform multi-axis movements and achieve the pitching and yaw states.

[0010] In the present solution, both the upper half frame and the lower half frame adopt carbon fiber composite materials, which are light in weight, high in strength, and good in tensile and compressive strengths, making the entire roll frame of high quality. In addition, the materials of the upper half frame and the lower half frame in the present solution can increase the load-bearing capacity of the entire roll frame. Moreover, the roll frame in the present solution uses carbon fiber composite materials, which have good molding processes, are more free in molding, are more convenient for processing, and have better mechanical properties, effectively improving the quality of the entire roll frame.

[0011] Further, the interface is a metal seat interface. The metal seat interface is embedded between the upper half frame and the lower half frame, and the metal seat interface is connected to the upper half frame and the lower half frame.

[0012] Since there will more or less be deformations during the high-temperature and high-pressure molding process of carbon fiber composite materials, and the subsequent processing processability is poor. However, the mechanical assembly accuracy of the interface of the roll-on frame in the present solution needs to reach the micron level. The metal seat interface can ensure the subsequent processing process, that is, the accuracy of the mounting shaft on the roll frame can be ensured by further precision machining on the metal seat interface subsequently.

[0013] If interfaces are directly formed on the upper half-frame and the lower half-frame, since the entire rolling frame is processed from carbon fiber composite materials, and the material is layers of carbon cloth or strands of fiber during processing, when further precision machining of the interfaces is required on the rolling frame later, phenomena such as delamination and fuzzing are likely to occur, which is not suitable as an assembly interface with high-precision requirements.

[0014] Furthermore, the cross-sections of the upper half-frame and the lower half-frame are both U-shaped.

[0015] In this solution, the U-shaped structures of the upper half-frame and the lower half-frame provide an opening for later demolding, which can meet the technological requirements of demolding, make film formation and demolding more convenient, and also facilitate making the overall structure of the rolling frame lighter.

[0016] Furthermore, it also includes four connecting plates. The four connecting plates are respectively located between adjacent two interfaces. The connecting plates are fixedly connected to the upper half-frame and the lower half-frame. The material of the connecting plates is the same as that of the upper half-frame and the lower half-frame. The connecting plates and the upper half-frame and the lower half-frame form a structure in the shape of a Chinese character 'Ri'.

[0017] In this solution, the connecting plates and the upper half-frame and the lower half-frame form a structure in the shape of a Chinese character 'Ri', which can increase the stiffness, strength and buckling stability of the entire frame. And since the rolling frame can rotate freely and its force direction is not fixed, and the rolling frame needs to bear a large load, so the strength in all directions is required to be strong. The structure in the shape of a Chinese character 'Ri' can ensure the stiffness and strength of the rolling frame in all directions.

[0018] Furthermore, the cross-section of the connecting plate is H-shaped.

[0019] In this solution, the cross-section of the connecting plate is H-shaped, which can not only enhance the strength of the entire rolling frame, but also facilitate riveting and fixing with the upper half-frame and the lower half-frame.

[0020] Furthermore, equipment installation bins are connected to the four corners of the frame body.

[0021] In this solution, the equipment installation bins are used to install drivers, braking systems, etc. And the four equipment installation bins can also be used to level the rolling frame, and the entire rolling frame is balanced by adding or reducing weights in the corresponding equipment installation bins.

[0022] Furthermore, arcs are provided at the four corners of the upper half-frame and the lower half-frame.

[0023] In this solution, the four corners of the upper half-frame and the lower half-frame are arc-shaped structures. In this way, arc transition connections are made at the corners of the upper half-frame and the lower half-frame through the arcs, which is more convenient for later smooth demolding.

[0024] Furthermore, four corners of the upper half-frame and the lower half-frame each include an inclined surface and two arc surfaces, and two ends of the inclined surface are respectively connected to its adjacent sides through two arc surfaces by transition connection.

[0025] Since the roll frame is formed by laying carbon fiber composite materials in a mold, wrinkles are likely to occur at the turning points. The use of arc transitions at the turning points can reduce or eliminate wrinkles, improve the forming quality of carbon fiber composite materials, and this solution can further expand the fillet area at the corner to form a large fillet structure, which can significantly improve the stress distribution and stress concentration of the structural member.

[0026] Furthermore, wiring channels are provided at the top of the upper half-frame and the bottom of the lower half-frame, wiring cover plates are connected to the wiring channels, and wire passing channels are connected to the side walls of the upper half-frame and the lower half-frame.

[0027] In this solution, since the roll frame is integrally made of fiber composite materials, this material makes it unsuitable to drill holes or cut slots in the roll frame later, because delamination and hair removal are likely to occur during later processing, and later drilling will damage the product. Therefore, wiring channels are provided at the top of the upper half-frame and the bottom of the lower half-frame, and wire passing channels are connected to the side walls of the upper half-frame and the lower half-frame. This facilitates wiring and piping later, and there is no need to drill holes or cut slots separately later, ensuring that the quality of the entire product meets the requirements.

[0028] Furthermore, mounting holes are reserved at each connection and fixing position on the upper half-frame and the lower half-frame.

[0029] In this way, there is no need to drill holes or cut slots on the frame during later assembly, avoiding damage to the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, form a part of this application, and do not limit the embodiments of the present invention. In the drawings: Figure 1 is a schematic diagram of the basic structure of the dynamic flight simulator of the present invention; Figure 2 is a schematic diagram of the structure of a roll frame applicable to a dynamic flight simulator of the present invention with one corner of the upper half-frame hidden; Figure 3 is a schematic diagram of the structure of the lower half-frame or the upper half-frame in a roll frame applicable to a dynamic flight simulator of the present invention; Figure 4 is a schematic diagram of the structure of four connecting plates in a roll frame applicable to a dynamic flight simulator of the present invention; Figure 5 is a cross-sectional schematic diagram of a roll frame applicable to a dynamic flight simulator of the present invention; Figure 6 Schematic diagram of the structure of the roll frame applicable to a dynamic flight simulator with the upper half frame hidden according to the present invention; Figure 7 Schematic diagram of the structure of the roll frame applicable to a dynamic flight simulator with the lower half frame and one of the wiring covers hidden according to the present invention.

[0031] Labels in the attached drawings and corresponding component names: Main motor 1, drive support unit 2, swing arm 3, roll frame 4, equipment installation compartment 400, upper half frame 40, lower half frame 41, connecting plate 42, roll shaft mounting seat 43, pitch axis mounting seat 44, arc surface 45, inclined surface 46, wiring channel 47, wire threading channel 48, wiring cover 49, cockpit 5. Detailed implementation manners

[0032] To make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with embodiments and the attached drawings. The illustrative embodiments and descriptions thereof of the present invention are only used to explain the present invention and shall not be construed as limiting the present invention.

[0033] As Figure 1 - Figure 2 shown, as an embodiment of the present application, a roll frame 4 applicable to a dynamic flight simulator is provided. As Figure 1 shown, the roll frame 4 is installed on an existing dynamic flight simulator. The dynamic flight simulator includes a main motor 1, a drive support unit 2 and a swing arm 3. The drive support unit 2 is used to transmit the power of the main motor 1 and serves as the connection support point of the swing arm 3. The roll frame 4 is installed on the swing arm 3. In this embodiment, both ends of the roll frame 4 are rotatably connected to the swing arm 3. A cockpit 5 is installed inside the roll frame 4, and the cockpit 5 is rotatably connected to the other two ends of the roll frame 4.

[0034] In one embodiment, a roll frame 4 applicable to a dynamic flight simulator includes a frame body. The frame body has a closed ring structure, and the inside of the frame body is hollowed out to form a frame structure.

[0035] The frame body includes an upper half frame 40 and a lower half frame 41 in a ring shape. The upper half frame 40 and the lower half frame 41 are buckled and connected to form a frame body structure. In this embodiment, the upper half frame 40 and the lower half frame 41 are fixedly connected by rivets or screws. As Figure 2 shown, interfaces arranged coaxially are connected to both opposite sides of the upper half frame 40 and the lower half frame 41. Both the upper half frame 40 and the lower half frame 41 are frame structures made of carbon fiber composite materials. Specifically, the upper half frame 40 and the lower half frame 41 are formed by laying carbon fiber composite materials in a mold and heating and pressing them at high temperature.

[0036] Combined with Figure 3As shown, during the process of processing the upper half frame 40 and the lower half frame 41, through the model design of the mold, semicircular groove structures are formed on the two sides of the processed upper half frame 40 and the lower half frame 41 that face each other, so that it is convenient to embed the interface into the semicircular groove later.

[0037] In one embodiment, the interface is a metal seat interface, and the metal seat interface is embedded between the upper frame 40 and the lower frame 41, and the metal seat interface is connected to the upper frame 40 and the lower frame 41 by rivets or screws. Among the four metal seat interfaces in this embodiment, two of the metal seat interfaces are roll axis mounting seats 43, and the other two metal seat interfaces are pitch axis mounting seats 44. In this embodiment, the radius of the pitch axis mounting seat 44 is greater than the radius of the roll axis mounting seat 43.

[0038] In this embodiment, the radius of two of the semicircular slots facing each other is larger than the radius of the other two semicircular slots facing each other, so that after the upper half frame 40 and the lower half frame 41 are buckled together to form a frame, a large hole and a small hole are formed on the frame, and a metal seat interface with a larger radius (i.e., the pitch axis mounting seat 44) is embedded in the large hole. The pitch axis mounting seat 44 in the large hole needs to be installed with the motor body for driving the cockpit 5 to rotate later, while a metal seat interface with a smaller radius (i.e., the roll axis mounting seat 43) is embedded in the small hole. The roll axis mounting seat 43 is used to install the rotating shaft of the motor, and the body of the motor can be installed on the rotating arm 3.

[0039] In this embodiment, except for four interfaces which are made of metal, the rest of the structures on the rolling frame 4 are made of carbon fiber composite materials. Carbon fiber composite materials will be deformed to a greater or lesser extent during the high-temperature and high-pressure molding process, and cannot meet the requirements for high-precision interfaces or dimensional tolerances, and the subsequent processing technology is not good. This is because when carbon fiber composite materials are processed, they are layers of carbon cloth or strands of fiber filaments. After the material is processed and formed, if holes and grooves are punched and grooved on the structural parts made of carbon fiber composite materials, stratification and hair removal are likely to occur, which is not suitable as an assembly interface. In practice, since the rolling frame 4 needs to be assembled with motor shafts, rotating arms 3 and other structures in the later stage, the accuracy of mechanical assembly needs to reach the micron level, and the metal seat interface can ensure the processability of subsequent processing.

[0040] In addition, after the rolling frame 4 is formed, it is necessary to further fine-process the interfaces to meet the requirements of vertical intersection between the four interfaces, coaxiality of the relatively opposite interfaces, and accuracy of the holes of the interfaces. Therefore, the interface in the present invention adopts a metal seat interface to ensure the feasibility of subsequent processing technology and the accuracy of the dimensional processing of the four interfaces.

[0041] In one embodiment, Figure 3As shown, the cross-sections of the upper frame 40 and the lower frame 41 are both U-shaped, which can meet the requirements of the demolding process and is convenient for molding and demolding, and makes the upper frame 40 and the lower frame 41 hollow inside, so as to realize the lightweight structure of the entire rolling frame 4.

[0042] In one embodiment, in combination Figure 4 , Figure 5 and Figure 6 As shown, a rolling frame 4 suitable for a dynamic flight simulator also includes four connecting plates 42, and the four connecting plates 42 are respectively located between two adjacent interfaces. The shape of the connecting plates 42 matches the contour shape of the upper half frame 40 and the lower half frame 41, so that the assembly effect between them is better.

[0043] The connecting plate 42 is connected and fixed to the upper half frame 40 and the lower half frame 41. The material of the connecting plate 42 is the same as that of the upper half frame 40 and the lower half frame 41. Figure 5 As shown, the connecting plate 42 forms a Japanese-shaped structure with the upper half frame 40 and the lower half frame 41 .

[0044] In another embodiment, the cross-section of the connecting plate 42 is H-shaped, the H-shaped connecting plate 42 is located inside the upper half frame 40 and the lower half frame 41, and the H-shaped connecting plate 42 is fixed to the upper half frame 40 and the lower half frame 41 by rivets or screws. In one embodiment, the H-shaped connecting plate 42 is fixed to the upper half frame 40 and the lower half frame 41 by riveting with high-strength steel rivets and reinforced by gluing.

[0045] This design of connecting by connecting plate 42 makes the butt joint of two half frames made of high-strength carbon fiber composite material more beautiful and the assembly size is easier to control. In addition, the riveting process has stable and reliable construction quality, strong joint load-bearing capacity, and riveting well guarantees the overall quality of the frame. At the same time, the frame with a Japanese-shaped cross section increases the rigidity, strength and flexural stability of the entire frame.

[0046] In one embodiment, in combination Figure 7 As shown, the four corners of the frame are connected to equipment installation compartments 400, and the driver of the motor in the pitch axis mounting seat 44, the brake system, etc. can be installed in the equipment installation compartments 400. At the same time, the entire rolling frame 4 can be leveled by adding or reducing weight in the four equipment installation compartments 400.

[0047] In one embodiment, Figure 2 and Figure 3 As shown, the four corners of the upper half frame 40 and the lower half frame 41 are all provided with arcs, which is convenient for later demoulding. Figure 3As shown, all four corners of the upper half frame 40 and the lower half frame 41 include an inclined surface 46 and two arc surfaces 45. The two ends of the inclined surface 46 are respectively connected to its adjacent two sides through two arc surfaces 45 in a transitional manner. In this way, a large-round-corner structure is formed at all four corners of the upper half frame 40 and the lower half frame 41, which further improves the convenience of demolding, and at the same time is more convenient for the laying and forming of carbon fiber composite materials. In addition, compared with the case where small round corners are used for transition between adjacent sides, wrinkles are likely to occur at the places where round corners are transitioned. In the large-round-corner structure formed by the four corners in this solution, due to the large turning radius of the rolling frame 4, it not only helps with the laying and forming of carbon fiber composite materials, can reduce the generation of wrinkles, and ensure the feasibility of demolding, but also the large-round-corner structure as a whole can significantly improve the stress distribution and stress concentration of the structural member.

[0048] In one embodiment, in combination with Figure 5 and Figure 7 As shown, wiring channels 47 are provided at the top of the upper half frame 40 and the bottom of the lower half frame 41. Wiring cover plates 49 are connected to the wiring channels 47. Threading channels 48 are connected to the side walls of the upper half frame 40 and the lower half frame 41. In this embodiment, the wiring channels 47 and the threading channels 48 are formed together during the forming process of the upper half frame 40 and the lower half frame 41. The wiring channels 47 and the threading channels 48 are convenient for later wiring to connect experimental equipment, motors, drivers, etc. required for pilot training, and meet the functions of routing pipes and installing equipment for the entire frame. Since it is not suitable to perform drilling and grooving on the carbon fiber composite material after forming, because delamination and hair removal will occur when drilling and grooving the carbon fiber composite material after forming, and the finished product will be damaged by later drilling and grooving, so in this embodiment, the wiring channels 47 and the threading channels 48 are reserved during the forming process of the upper half frame 40 and the lower half frame 41, avoiding the disadvantage of poor performance of the finished product of the carbon fiber composite material in later modification.

[0049] There are two wiring cover plates 49 in this embodiment. The two wiring cover plates 49 are respectively located on both sides of the pitch axis mounting seat 44. After the wiring in the wiring channel 47 is completed, the wiring channel 47 is covered by the wiring cover plate 49, and the wiring cover plate 49 is fixed to the frame by screws. The wiring cover plate 49 can protect the pipeline while making the appearance of the frame more tidy and beautiful.

[0050] In one embodiment, mounting holes are reserved at each connection and fixing position on the upper half frame 40 and the lower half frame 41. In this way, during the later assembly process, there is no need to drill and groove on the frame, avoiding damage to the frame. In this embodiment, mounting holes are reserved at the connection positions between the upper half frame 40, the lower half frame 41 and the connecting plate 42, and later the three are riveted and fixed by inserting rivets into the reserved mounting holes.

[0051] In another embodiment, inserts are embedded in the mounting holes on the upper half frame 40 and the lower half frame 41, and threaded holes are provided on the inserts, that is, during the molding process of the upper half frame 40 and the lower half frame 41, holes are reserved at positions where they need to be connected and fixed later, and metal inserts with threads are pre-buried in the holes, so that there is no need to punch holes and grooves on the frame during the later assembly process, and since the metal inserts are provided with threaded holes, there is no need to tap threads in the later stage, which improves the operating efficiency and can avoid damage to the frame caused by later punching and grooves.

[0052] In one embodiment, holes are reserved on both sides of the wiring channel 47 when the upper half frame 40 and the lower half frame 41 are formed, and metal inserts with threaded holes are embedded in the holes. After the wiring cover plate 49 is buckled on the wiring channel 47, screws are used to engage with the metal inserts to achieve the fixation of the wiring cover plate 49. In this solution, inserts are embedded in the upper half frame 40 and the lower half frame 41, and threaded holes are opened on the inserts. This makes it easy to connect and fix the various assembly parts by screws during the later assembly, without the need to open holes on the upper half frame 40 and the lower half frame 41 after forming, and effectively ensure the quality of the product.

[0053] The rolling frame 4 of the present invention is formed by processing a carbon fiber composite material with good manufacturing processability, light weight and high strength, and can be used for the rolling frame 4 of a manned centrifuge with fast motion response.

[0054] The new overall structure of the rolling frame 4 of the present invention makes the overall structure feasible in manufacturing process, and the overall performance meets the requirements of installation, load bearing and rapid movement.

[0055] 1) The rolling frame 4 adopts an open rotating integral structure of an upper half frame 40 and a lower half frame 41, so that the half frame molding has the feasibility of layer laying and demolding. At the same time, the upper half frame 40 and the lower half frame 41 are connected to each other to ensure the integrity of the frame, so that it has good mechanical properties; 2) The present invention adopts an "H"-shaped connecting plate 42, which is convenient for connecting the upper half frame 40 and the lower half frame 41 to form an organic whole, and at the same time, the cross section of the frame is formed into a "日" shape, which increases the rigidity and stability of the frame and improves the overall mechanical properties. The H-shaped connecting plate 42 and the upper half frame 40 and the lower half frame 41 are connected by a riveting and adhesive bonding process, which ensures the feasibility, reliability and tightness of the connection; 3) The four interfaces use embedded metal components to ensure the precise shape, position and dimensional accuracy requirements of each interface; 4) In view of the fact that the carbon fiber structure is inconvenient to modify later, the wiring channel 47 and fastening of the rolling frame 4 are designed as a whole, so that the wiring and pipe arrangement on the frame are neat and beautiful, while avoiding the need for modification of the rolling frame 4 later, that is, no drilling and grooving is required later.

[0056] 5) In view of the characteristic that carbon fiber forming requires layering, the present invention designs reasonable structural fillets to avoid wrinkles and ensure the quality of the finished product.

[0057] It should be noted that the above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but rather should be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A roll frame applicable to a dynamic flight simulator, comprising a frame body, characterized in that, The frame includes an annular upper half frame and a lower half frame, the upper half frame and the lower half frame are buckled and connected to each other to form a frame structure, both sides of the upper half frame and the lower half frame facing each other are connected with coaxially arranged interfaces, and the upper half frame and the lower half frame are frame structures made of carbon fiber composite materials.

2. The roll frame applicable to a dynamic flight simulator according to claim 1, wherein The interface is a metal base interface, the metal base interface is embedded between the upper half frame and the lower half frame, and the metal base interface is connected to the upper half frame and the lower half frame.

3. A roll frame applicable to a dynamic flight simulator according to claim 1, characterized in that, The cross sections of the upper half frame and the lower half frame are both U-shaped.

4. A roll frame applicable to a dynamic flight simulator according to claim 3, characterized in that, It also includes four connecting plates, which are respectively located between two adjacent interfaces. The connecting plates are connected and fixed to the upper half frame and the lower half frame. The material of the connecting plates is the same as that of the upper half frame and the lower half frame. The connecting plates, the upper half frame and the lower half frame form a "日"-shaped structure.

5. A roll frame applicable to a dynamic flight simulator according to claim 4, characterized in that, The cross section of the connecting plate is H-shaped.

6. A roll frame applicable to a dynamic flight simulator according to claim 1, characterized in that, The four corners of the frame are all connected with equipment installation compartments.

7. A roll frame applicable to a dynamic flight simulator according to any one of claims 1-6, characterized in that, The four corners of the upper half frame and the lower half frame are all provided with arcs.

8. A roll frame applicable to a dynamic flight simulator according to claim 7, characterized in that, The four corners of the upper half frame and the lower half frame each include a slope and two arc surfaces, and the two ends of the slope are transitionally connected to the two adjacent sides thereof through two arc surfaces.

9. A roll frame applicable to a dynamic flight simulator according to any one of claims 1-6, characterized in that, The top of the upper half frame and the bottom of the lower half frame are both provided with wiring channels, the wiring channels are both connected with wiring cover plates, and the side walls of the upper half frame and the lower half frame are both connected with threading channels.

10. A roll frame applicable to a dynamic flight simulator according to claims 1-6, characterized in that, A mounting hole is reserved at each connection and fixing position on the upper half frame and the lower half frame.

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