CN112598960B - Multi-degree-of-freedom motion platform for flight simulator and operation method - Google Patents
Multi-degree-of-freedom motion platform for flight simulator and operation method Download PDFInfo
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- CN112598960B CN112598960B CN202011410544.7A CN202011410544A CN112598960B CN 112598960 B CN112598960 B CN 112598960B CN 202011410544 A CN202011410544 A CN 202011410544A CN 112598960 B CN112598960 B CN 112598960B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title abstract description 8
- 239000011111 cardboard Substances 0.000 claims description 19
- 230000009975 flexible effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000008093 supporting effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000001052 transient effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 11
- 238000004088 simulation Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 230000002146 bilateral effect Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
- G09B9/12—Motion systems for aircraft simulators
Abstract
The invention relates to the technical field of flight simulators, in particular to a multi-degree-of-freedom motion platform for a flight simulator and an operation method thereof. The invention can simulate the normal state of flight by matching the parallel structure with the two annular blocks, and simultaneously simulate the flight training state of the airplane under special conditions of transient weightlessness during overturning and the like.
Description
Technical Field
The invention relates to the technical field of flight simulators, in particular to a simulator based on a multi-degree-of-freedom platform, and specifically relates to a multi-degree-of-freedom motion platform for a flight simulator.
Background
The flight simulator is not only generally applied in the process of actual flight simulation training, but also used in flight simulation type commercial experience activities, such as providing simulated flight for customers in the form of a dynamic platform of the flight simulator. The existing dynamic platform of the flight simulator is generally realized based on a multi-degree-of-freedom platform, particularly a six-degree-of-freedom motion platform, which can respectively perform six actions of left-right rollover, front-back translation, left-right translation, up-down lifting and left-right rotation, and most of simulated scenes and conditions are the lifting and normal flight process of the flight.
However, various abnormal and sudden states in flight need to be considered in the simulation training process, such as simulating a falling scene of an airplane. In the falling process of the airplane, the airplane generally rotates or turns over along with the downward movement of the gravity acceleration, so that the requirement that the current dynamic platform of the flight simulator is not in line with the actual situation exists when simulating certain extreme movement laws of natural objects, and the complete movement track and action are difficult to simulate.
The chinese patent application No. CN201610269157.3 in the prior art discloses a multi-dimensional parallel dynamic platform of a flight simulator, the flight simulator comprises a PC, a vision system, a dynamic platform and a cockpit, the dynamic platform comprises a planar motion platform and a six-degree-of-freedom motion platform; the plane motion platform is used for simulating translational motion dynamic of a plane straight line or a plane curve, and the six-degree-of-freedom motion platform arranged on the plane motion platform is used for simulating translational motion dynamic of a plane straight line or a plane curve; the six-degree-of-freedom motion platform is used for simulating six-degree-of-freedom motion dynamics, and the cabin arranged on the six-degree-of-freedom motion platform is enabled to simulate six-degree-of-freedom motion dynamics. However, in the process of analyzing the scheme and actually simulating the training, a plane motion platform is additionally arranged below the six-degree-of-freedom motion platform and is matched with the six-degree-of-freedom motion platform, so that superposition of multiple motion modes can be perfectly realized, the actual conditions of the airplane under the conditions of air rotation, falling accidents and the like are difficult to simulate, and the actual simulation training effect is not ideal.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multi-degree-of-freedom motion platform for a flight simulator, which can realize normal flight and simulated flight under special conditions such as rollover and weightlessness.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multi freedom motion platform for flight simulator, includes the base, the base upside is equipped with removes the seat, it is connected with the base through parallelly connected motion, it is vertical to be equipped with first annular piece to remove the seat upside, first annular piece and removal seat fixed connection, first annular piece bilateral symmetry is equipped with two support arms, and the support arm all with remove seat fixed connection, be equipped with second annular piece in the first annular piece, second annular piece is the vertical state with first annular piece, second annular piece both sides wall is rotated with two support arms through two pivots respectively, the outer fixed cover of second annular piece is equipped with annular slider, annular slider is the vertical state with second annular piece, be equipped with the annular spout that matches with annular slider on the first annular piece inner wall, be equipped with drive second annular piece pivoted first drive assembly on removing the seat, the matching is equipped with the swivel becket in the second annular piece, the swivel outer wall is connected with second annular piece inner wall rotation, be equipped with drive swivel ring pivoted second drive assembly on the second annular piece, the swivel horizontal intra-annular is equipped with the mount table, the mount table passes through mount and swivel fixed connection.
Further, parallel motion mechanism sets up two tripod crossbearers between the base and removal seat including the symmetry, and tripod crossbearer centrosymmetric sets up, tripod crossbearer respectively with base and removal seat fixed connection, encircle between the tripod crossbearer and evenly be equipped with six motion subassemblies, the motion subassembly is including the hydraulic telescoping rod that the slope set up, the hydraulic telescoping rod both ends are all rotated and are connected with the rotation piece, the one end that rotates the piece and keep away from hydraulic telescoping rod rotates and is connected with U type seat, U type seat rotates with two tripod crossbearers respectively and is connected.
Furthermore, first drive assembly is including fixed two servo motor that set up on removing the seat, and two support arms and coaxial fixedly connected with driven pulleys are run through respectively in the pivot, the equal coaxial fixedly connected with driving pulley of first servo motor's output, and driven pulley is connected with two driving pulley transmissions through two belts respectively.
Further, evenly be equipped with three through opening on the annular outer wall of second annular piece, it is three through opening all communicates with annular spout, second annular piece outer loop is around being equipped with three type of falling U support body, and is three the type of falling U support body corresponds with three through opening position respectively, and is three the type of falling U support body all with second annular piece fixed connection, it is fixed to run through on the type of falling U support body is provided with first pneumatic telescopic link, be equipped with the arc in the through opening and support the board, the flexible end of first pneumatic telescopic link supports board fixed connection with the arc.
Further, the second drive assembly includes that centrosymmetry sets up two second servo motor in both sides about the second annular piece, and second servo motor is all fixed to be set up on the second annular piece, the rotating ring both sides match and are equipped with two annular drive blocks, evenly be equipped with a plurality of tooth's sockets on the outer wall of annular drive block, the equal coaxial fixedly connected with drive gear of second servo motor's output, drive gear respectively with two annular drive block on a plurality of tooth's sockets mesh.
Further, bilateral central symmetry is equipped with two type of falling L support bodies about the second annular block, the type of falling L support body all with second annular block fixed connection, bilateral central symmetry is equipped with two arc cardboards about the second annular block, the arc cardboard is located between type of falling L support body and the second annular block, run through fixedly on the arc cardboard and be equipped with the pneumatic telescopic link of second, the flexible end of the pneumatic telescopic link of second and arc cardboard fixed connection are equipped with the friction band that matches with a plurality of tooth's sockets on two annular drive block outer walls on the arc cardboard respectively.
Furthermore, the arc-shaped abutting plate is provided with a limiting ball body on the end surface close to the annular sliding block in an interference fit mode.
Furthermore, an included angle of 120 degrees is formed between the hydraulic telescopic rod and the rotating piece.
Further, damping rubber rings are arranged between the annular sliding block and the annular sliding groove and between the rotating ring and the second annular block.
Further, the working steps of the multi-degree-of-freedom motion platform for the flight simulator are as follows:
a) The passenger cabin and other riding components are installed through the installation platform, so that people can enter into simulated riding, the installation platform is installed on a second annular block, the second annular block is arranged on a first annular block, the first annular block is fixedly arranged on the movable seat, and a parallel motion structure is arranged between the movable seat and the base;
b) When the parallel motion structure works, the state of the movable seat is controlled through the telescopic states of the six hydraulic telescopic rods, the motion with six degrees of freedom is realized, and when the movable seat moves, the smooth motion of the movable seat is ensured through the mutual rotating action of the rotating piece and the U-shaped seat;
c) When a front-back overturning state needs to be simulated, the two first servo motors work to drive the driving belt wheel to rotate, the driving belt wheel drives the driven belt wheel to rotate through the belt, so that the two rotating shafts are driven to rotate, the two rotating shafts drive the second annular block to rotate, a front-back overturning action is realized, and when a certain limit state needs to be simulated during overturning, the telescopic action of the three first pneumatic telescopic rods can be matched to drive the arc-shaped abutting plate to move to limit the action of the annular sliding block, so that the simulation of flying states such as emergency stop and lifting is realized;
d) When needing to carry out side direction upset state, through two second servo motor works, drive gear and rotate, drive gear drives the rotating ring through the meshing effect with a plurality of tooth's sockets and rotates to drive the mount table and rotate, when overturning, when needing to simulate certain extreme condition, can cooperate two second pneumatic telescopic link's flexible action, drive the action of arc cardboard removal restriction rotating ring, carry out extreme condition's simulation.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the base and the moving seat, the moving seat is connected with the base through the parallel motion mechanism, and the parallel motion mechanism is provided with six hydraulic telescopic rods, so that through different telescopic states of the multi-degree-of-freedom motion platform formed by the six hydraulic telescopic rods, the six-degree-of-freedom motion action of the moving seat can be realized, and the state of normal flight is simulated, thereby realizing the simulation effect;
2. according to the invention, through arranging the first annular block and the second annular block, the automatic rotation action in two directions can be realized, the actions of side turning and front turning during flight action can be realized, and the transient weightless state during flight turning can be simulated, so that the state under the condition of flight limit can be simulated, and the effect of flight training simulation can be enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.
FIG. 1 is a schematic structural diagram of a multiple degree of freedom motion platform for a flight simulator in accordance with the present invention;
FIG. 2 is a side view schematic of the multiple degree of freedom motion platform for a flight simulator of the present invention;
FIG. 3 is a schematic top view of a multiple degree of freedom motion platform for a flight simulator in accordance with the present invention;
FIG. 4 is a schematic bottom perspective view of a multiple degree of freedom motion platform for a flight simulator in accordance with the present invention;
FIG. 5 is a schematic perspective view of an inverted L-shaped frame and its connecting components in a multiple-degree-of-freedom motion platform for a flight simulator according to the present invention;
fig. 6 is a schematic perspective view of the inverted U-shaped frame and its connecting components of the multiple degrees of freedom motion platform for a flight simulator according to the present invention.
The meaning of the individual reference symbols in the figures is as follows:
the base, 2 remove the seat, 3 first annular piece, 4 support arms, 5 second annular pieces, 6 swivel becket, 7 mount tables, 8 tripod crossbearers, 9 hydraulic telescoping rod, 10 rotate the piece, 11U type seat, 12 first servo motor, 13 driven pulleys, 14 driving pulley, 15 type of falling U support body, 16 first pneumatic telescopic link, 17 arc support board, 18 second servo motor, 19 annular drive piece, 20 drive gear, 21 type of falling L support body, 22 arc cardboard, 23 second pneumatic telescopic link.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
In combination with the drawings, the multi-degree-of-freedom motion platform for a flight simulator of the invention comprises a base 1, a moving seat 2, a first annular block 3, a second annular block 5, a support arm 4, a rotating ring 6 and a mounting table 7.
The movable seat 2 is arranged on the upper side of the base 1, and the movable seat 2 is connected with the base 1 through a parallel motion mechanism. Remove the first annular piece 3 of 2 upside vertical settings of seat, first annular piece 3 with remove seat 2 fixed connection. 3 bilateral symmetry of first annular piece sets up two support arms 4, two support arms 4 all with remove seat 2 fixed connection.
The first annular block 3 is also internally provided with a second annular block 5, and the second annular block 5 is vertical to the first annular block 3.
Two side walls of the second annular block 5 are respectively connected with the two supporting arms 4 through two rotating shafts in a rotating manner, an annular sliding block is fixedly sleeved outside the second annular block 5, and the annular sliding block and the second annular block 5 are distributed in a vertical state; second annular piece 5 still is equipped with swivel becket 6, and 6 outer walls of swivel becket rotate with the 5 inner walls of second annular piece to be connected.
And an annular sliding groove matched with the annular sliding block of the second annular block 5 is arranged on the inner wall of the first annular block 3.
Wherein, a first driving component for driving the second annular block 5 to rotate is arranged on the movable seat 2. The second annular block 5 is provided with a second driving component for driving the rotating ring 6 to rotate.
The installation platform 7 is horizontally arranged in the rotating ring 6, and the installation platform 7 is fixedly connected with the rotating ring 6 through a fixing frame.
Referring to the multi-degree-of-freedom motion platform for a flight simulator shown in fig. 1, 2, 3 and 4, a moving base 2 is provided on an upper side of a base 1, and the moving base 2 is connected to the base 1 through a parallel motion mechanism, thereby simulating a flight state in a normal state through a six-degree-of-freedom motion action of the moving base.
Remove the vertical first annular piece 3 that is equipped with of 2 upsides of seat, first annular piece 3 with remove 2 fixed connection of seat, 3 bilateral symmetry of first annular piece are equipped with two support arms 4, two support arms 4 all with remove 2 fixed connection of seat, are equipped with second annular piece 5 in the first annular piece 3, and second annular piece 5 is the vertical state with first annular piece 3. The first and second ring blocks 3 and 5 are used for rotation in two directions, respectively, to add two degrees of freedom to the overall device and to simulate the effects of other conditions.
Two side walls of the second annular block 5 are respectively connected with the two supporting arms 4 in a rotating mode through two rotating shafts, an annular sliding block is fixedly sleeved outside the second annular block 5, and the annular sliding block and the second annular block 5 are in a vertical state. The inner wall of the first annular block 3 is provided with an annular sliding groove matched with the annular sliding block, so that the second annular block 5 can perform certain rotation action.
The movable base 2 is provided with a first driving assembly for driving the second annular block 5 to rotate, the second annular block 5 is driven to rotate, a rotating ring 6 is arranged in the second annular block 5 in a matched mode, and the outer wall of the rotating ring 6 is rotatably connected with the inner wall of the second annular block 5. And a second driving component for driving the rotating ring 6 to rotate is arranged on the second annular block 5, and the rotating ring 6 is driven to rotate.
An installation platform 7 is horizontally arranged in the rotating ring 6, the installation platform 7 is fixedly connected with the rotating ring 6 through a fixing frame, and the installation platform 7 is used for installing manned devices such as a sitting cabin and the like and used for simulating flight when people enter.
As shown in fig. 1 and fig. 2, the parallel kinematic mechanism as an optional embodiment includes two tripod crossbearers 8 symmetrically disposed between the base 1 and the movable base 2, two tripod crossbearers 8 are arranged symmetrically at the center, two tripod crossbearers 8 are respectively fixedly connected with the base 1 and the movable base 2, six kinematic assemblies are uniformly disposed around the two tripod crossbearers 8, the kinematic assemblies include the hydraulic telescopic rods 9 disposed obliquely, both ends of the hydraulic telescopic rods 9 are respectively and rotatably connected with the rotating member 10, one end of the rotating member 10 far away from the hydraulic telescopic rods 9 is rotatably connected with the U-shaped base 11, two U-shaped bases 11 are respectively and rotatably connected with two tripod crossbearers 8, and the telescopic state through different hydraulic telescopic rods 9 can realize six free motions, so as to simulate a common flight state, and is more vivid.
As shown in fig. 2, the first driving assembly as an alternative embodiment includes two first servo motors 12 fixedly disposed on the movable base 2, and the first servo motors 12 are implemented by using existing rotating motors. Two pivot run through two support arms 4 and coaxial fixedly connected with driven pulleys 13 respectively, and the equal coaxial fixedly connected with driving pulley 14 of output of two servo motor 12, two driven pulleys 13 are connected with two driving pulley 14 transmission through two belts respectively.
Therefore, the first servo motor 12 is driven to drive the driving belt wheel 14 to rotate, the driving belt wheel 14 drives the driven belt wheel 13 through the belt, and the rotation action of the second annular block 5 along the first annular block 3 is realized.
As shown in fig. 3 and 6, as an alternative embodiment, three through openings are uniformly formed in an annular outer wall of the second annular block 5, the three through openings are all communicated with the annular chute, three inverted U-shaped frame bodies 15 are arranged around the second annular block 5, the three inverted U-shaped frame bodies 15 correspond to the three through openings respectively, and the three inverted U-shaped frame bodies 15 are all fixedly connected with the second annular block 5.
Wherein, run through fixedly on the type of falling U support body 15 and be provided with first pneumatic telescopic link 16, be equipped with the arc in the opening that runs through and support board 17, first pneumatic telescopic link 16 flexible end and arc support board 17 fixed connection. From this, can drive arc through the flexible arc of first pneumatic telescopic link 16 and support board 17 and remove, support board 17 through the arc and carry out the restriction effect to annular slider to play protection and scram effect, simulate actual scene.
As shown in fig. 1 and 2, the second driving assembly as an alternative embodiment includes two second servo motors 18 disposed on the upper and lower sides of the second ring block 5 in a central symmetry manner, and the second servo motors 18 are implemented by circular rotating motors in the prior art.
Two second servo motor 18 are all fixed to be set up on second annular piece 5, 6 both sides matching of swivel becket is equipped with two annular drive blocks 19, evenly be equipped with a plurality of tooth's sockets on annular drive block 19's the outer wall, the equal coaxial fixedly connected with drive gear 20 of output of two second servo motor 18, two drive gear 20 respectively with two annular drive block 19 on a plurality of tooth's sockets mesh, work through second servo motor 18, drive gear 20 rotates, drive gear 20 and a plurality of tooth's socket effect, can drive annular drive block 19 and rotate, thereby drive swivel becket 6 and rotate, it rotates to drive mount table 7, the upset motion of fore-and-aft direction carries out.
As shown in fig. 1 and 5, bilateral central symmetry about second annular piece 5 is equipped with two type of falling L support bodies 21, two type of falling L support bodies 21 all with second annular piece 5 fixed connection, bilateral central symmetry is equipped with two arc cardboard 22 about second annular piece 5, arc cardboard 22 is located between type of falling L support body 21 and second annular piece 5, run through fixedly on the arc cardboard 22 and be equipped with second pneumatic telescopic link 23, the flexible end of second pneumatic telescopic link 23 and arc cardboard 22 fixed connection, be equipped with the friction zone with a plurality of tooth's sockets matching on two annular drive block 19 outer walls on two arc cardboard 22 respectively, through the flexible of second pneumatic telescopic link 23, it removes to drive arc cardboard 22, restriction annular drive block 19's rotation, second pneumatic telescopic link 23 both sides are equipped with two damping slide bars, thereby play the shock attenuation guard action.
The end face, close to the annular sliding block, of the arc abutting plate 17 is provided with the limiting ball bodies in an interference fit mode, the friction force is determined by the pressure between the arc abutting plate 17 and the annular sliding block, and the brake device has the functions of slow brake and emergency brake.
Wherein, the hydraulic telescopic rod 9 and the rotation piece 10 have an included angle of 120 degrees therebetween, and the included angle does not affect the movement of six degrees of freedom, and simultaneously enhances the supporting effect.
Wherein, all be equipped with damping rubber circle between annular slider and the annular spout and between rotating ring 6 and second annular block 5, have shock attenuation protection's effect.
With the combination of the drawings, the working steps of the multi-degree-of-freedom motion platform for the flight simulator provided by the invention are as follows:
a) The passenger cabin and other riding components are installed through the installation platform 7, people can enter the simulated riding, the installation platform 7 is installed on the second annular block 5, the second annular block 5 is arranged on the first annular block 3, the first annular block 3 is fixedly arranged on the movable seat 2, and a parallel motion structure is arranged between the movable seat 2 and the base 1;
b) When the parallel motion structure works, the state of the moving seat 2 is controlled through the telescopic states of the six hydraulic telescopic rods 9, the motion with six degrees of freedom is realized, and when the moving seat 2 moves, the smooth motion of the moving seat 2 is ensured through the mutual rotating action of the rotating piece 10 and the U-shaped seat 11;
c) When a front-back overturning state needs to be simulated, the two first servo motors 12 work to drive the driving belt wheel 14 to rotate, the driving belt wheel 14 drives the driven belt wheel 13 to rotate through a belt, so that the two rotating shafts are driven to rotate, the two rotating shafts drive the second annular block 5 to rotate, a front-back overturning action is realized, and when a certain limit state needs to be simulated during overturning, the stretching actions of the three first pneumatic telescopic rods 16 can be matched to drive the arc-shaped abutting plate 17 to move to limit the actions of the annular sliding block, so that the simulation of flying states such as emergency stop and pull-up is realized;
d) When the side direction upset state need be carried out, through the work of two second servo motor 18, drive gear 20 rotates, drive gear 20 drives swivel becket 6 through the meshing effect with a plurality of tooth's sockets and rotates, thereby drive mount table 7 and rotate, when overturning, when needing the certain extreme condition of simulation, can cooperate the flexible action of two pneumatic telescopic links of second 23, drive the action of arc cardboard 22 removal restriction swivel becket 6, carry out extreme condition's simulation, reduce the damage simultaneously.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (7)
1. A multi-degree-of-freedom motion platform for a flight simulator is characterized by comprising a base (1), a moving seat (2), a first annular block (3), a second annular block (5), a supporting arm (4), a rotating ring (6) and a mounting table (7);
the movable seat (2) is arranged on the upper side of the base (1), and the movable seat (2) is connected with the base (1) through a parallel motion mechanism;
the first annular block (3) is vertically arranged on the upper side of the movable seat (2), and the first annular block (3) is fixedly connected with the movable seat (2);
two supporting arms (4) are symmetrically arranged on two sides of the first annular block (3), and the two supporting arms (4) are fixedly connected with the movable base (2);
the first annular block (3) is also internally provided with the second annular block (5), and the second annular block (5) is vertical to the first annular block (3);
two side walls of the second annular block (5) are respectively and rotatably connected with the two supporting arms (4) through two rotating shafts, an annular sliding block is fixedly sleeved outside the second annular block (5), and the annular sliding block and the second annular block (5) are vertically distributed; the second annular block (5) is also provided with a rotating ring (6), and the outer wall of the rotating ring (6) is rotationally connected with the inner wall of the second annular block (5);
the inner wall of the first annular block (3) is provided with an annular sliding groove matched with the annular sliding block of the second annular block (5);
wherein, a first driving component for driving the second annular block (5) to rotate is arranged on the movable seat (2);
a second driving assembly for driving the rotating ring (6) to rotate is arranged on the second annular block (5);
the mounting table (7) is horizontally arranged in the rotating ring (6), and the mounting table (7) is fixedly connected with the rotating ring (6) through a fixing frame;
the device comprises a first annular block (5), a second annular block (5), a first pneumatic telescopic rod (16), an arc-shaped abutting plate (17) and a second pneumatic telescopic rod (16), wherein three through openings are uniformly formed in the annular outer wall of the second annular block (5), the three through openings are communicated with an annular sliding groove, three inverted U-shaped frame bodies (15) are arranged on the outer ring of the second annular block (5) in a winding mode, the three inverted U-shaped frame bodies (15) correspond to the three through openings respectively in position, the three inverted U-shaped frame bodies (15) are fixedly connected with the second annular block (5), the first pneumatic telescopic rod (16) is fixedly arranged on the inverted U-shaped frame bodies (15) in a penetrating mode, the arc-shaped abutting plate (17) is arranged in each through opening, and the telescopic end of the first pneumatic telescopic rod (16) is fixedly connected with the arc-shaped abutting plate (17);
the utility model discloses a pneumatic telescopic link of a motor vehicle, including second annular piece (5), both sides central symmetry is equipped with two type of falling L support bodies (21) about second annular piece (5), the type of falling L support body (21) all with second annular piece (5) fixed connection, both sides central symmetry is equipped with two arc cardboard (22) about second annular piece (5), arc cardboard (22) are located between type of falling L support body (21) and second annular piece (5), it is fixed and is equipped with second pneumatic telescopic link (23) to run through on arc cardboard (22), the flexible end of second pneumatic telescopic link (23) and arc cardboard (22) fixed connection are equipped with the friction band that matches with a plurality of tooth's sockets on two annular drive piece (19) outer walls on arc cardboard (22) respectively.
2. The multi-degree-of-freedom motion platform for the flight simulator according to claim 1, wherein the parallel motion mechanism comprises two tripod crossbars (8) symmetrically arranged between the base (1) and the movable base (2), the tripod crossbars (8) are arranged in a central symmetry manner, the tripod crossbars (8) are respectively and fixedly connected with the base (1) and the movable base (2), six motion assemblies are uniformly arranged between the tripod crossbars (8) in a surrounding manner, each motion assembly comprises a hydraulic telescopic rod (9) obliquely arranged, two ends of each hydraulic telescopic rod (9) are respectively and rotatably connected with a rotating piece (10), one end, far away from the hydraulic telescopic rods (9), of each rotating piece (10) is rotatably connected with a U-shaped base (11), and the U-shaped bases (11) are respectively and rotatably connected with the two tripod crossbars (8).
3. The multi-degree-of-freedom motion platform for the flight simulator according to claim 1, wherein the first driving assembly comprises two first servo motors (12) fixedly arranged on the moving base (2), rotating shafts respectively penetrate through the two support arms (4) and are coaxially and fixedly connected with driven pulleys (13), output ends of the first servo motors (12) are coaxially and fixedly connected with driving pulleys (14), and the driven pulleys (13) are respectively in transmission connection with the two driving pulleys (14) through two belts.
4. The multi-degree-of-freedom motion platform for the flight simulator according to claim 1, wherein the second driving assembly comprises two second servo motors (18) which are arranged on the upper side and the lower side of the second annular block (5) in a central symmetry manner, the second servo motors (18) are fixedly arranged on the second annular block (5), two annular driving blocks (19) are arranged on two sides of the rotating ring (6) in a matching manner, a plurality of tooth sockets are uniformly arranged on the outer wall of each annular driving block (19), the output ends of the second servo motors (18) are coaxially and fixedly connected with driving gears (20), and the driving gears (20) are respectively meshed with the tooth sockets on the two annular driving blocks (19).
5. The multiple degree of freedom motion platform for a flight simulator according to claim 1, characterized in that the end surface of the arc-shaped resisting plate (17) close to the annular slider is provided with a limiting sphere with uniform interference.
6. The multiple degree of freedom motion platform for a flight simulator according to claim 2, characterized in that the hydraulic telescopic rod (9) and the rotary member (10) have an angle of 120 degrees.
7. The multiple degree of freedom motion platform for a flight simulator according to claim 1, wherein damping rubber rings are provided between the annular slider and the annular chute and between the rotating ring (6) and the second annular block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410544.7A CN112598960B (en) | 2020-12-03 | 2020-12-03 | Multi-degree-of-freedom motion platform for flight simulator and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410544.7A CN112598960B (en) | 2020-12-03 | 2020-12-03 | Multi-degree-of-freedom motion platform for flight simulator and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112598960A CN112598960A (en) | 2021-04-02 |
| CN112598960B true CN112598960B (en) | 2022-11-04 |
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| CN113289313A (en) * | 2021-04-21 | 2021-08-24 | 黑河学院 | Dizzy device of preventing that dance training used |
| CN113018842B (en) * | 2021-04-26 | 2022-11-22 | 山西外星人技术有限公司 | Vertical panorama virtual reality experiences device |
| CN113184233B (en) * | 2021-05-17 | 2022-08-02 | 航天创客（北京）科技有限公司 | Variable-speed spacecraft full-orbit motion simulation device |
| CN113970676B (en) * | 2021-09-30 | 2023-08-01 | 西安交通大学 | Heat source simulation device under space onboard environment |
| CN114183651B (en) * | 2021-12-13 | 2023-10-03 | 江苏普旭科技股份有限公司 | Full-steering simulated linkage motion platform and method |
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