CN219275834U

CN219275834U - Six-degree-of-freedom platform

Info

Publication number: CN219275834U
Application number: CN202320763888.9U
Authority: CN
Inventors: 蔡其明; 蔡金龙
Original assignee: Jujiada Intelligent Equipment Technology Suzhou Co ltd
Current assignee: Jujiada Intelligent Equipment Technology Suzhou Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-30
Anticipated expiration: 2033-04-10

Abstract

The application discloses six degrees of freedom platforms, including the base, set up servo electric jar on the base, set up the upper platform on servo electric jar and be fixed in on the base and with servo electric jar electricity connected's controller, servo electric jar is equipped with six, all through swing joint subassembly swing joint between every servo electric jar and base and the upper platform, swing joint subassembly includes the mounting panel fixed with servo electric jar bottom, with the fixed block of mounting panel bottom surface fixed, run through set up on the fixed block and with fixed block clearance fit's connecting axle, with connecting axle swing joint's spliced pole, with the sleeve of base upper surface fixed and with sleeve inner wall interference fit's first bearing, first bearing inner circle and spliced pole interference fit. In this application, all through swing joint subassembly swing joint between servo electric jar and base and the upper platform for the upper platform can move smoothly in the activity of six degrees of freedom, has avoided influencing the condition of simulation training result because of servo electric jar is difficult to the activity.

Description

Six-degree-of-freedom platform

Technical Field

The utility model relates to the technical field of simulation devices, in particular to a six-degree-of-freedom platform.

Background

The object has six degrees of freedom in space, namely a movement degree of freedom along three rectangular coordinate axes of x, y and z and a rotation degree of freedom around the three coordinate axes. Therefore, to fully determine the position of an object, these six degrees of freedom must be clear. The six-degree-of-freedom motion platform is a dynamic simulation device for simulation training of aircrafts, sportsmen (such as airplanes and vehicles), film and television action scene shooting and the like, and can simulate various spatial motion postures, so that the six-degree-of-freedom motion platform is widely applied.

The utility model discloses a six-degree-of-freedom platform in China, which is disclosed in the patent of the utility model with the publication number of CN209190715U, and comprises a rectangular base and a rectangular upper platform, wherein 3 groups of electric cylinder driving groups are arranged between the base and the upper platform, the connection points of the 3 groups of electric cylinder driving groups and the base are distributed on the base at equal intervals along the circumferential direction, and the connection points of the 3 groups of electric cylinder driving groups and the upper platform are distributed on the upper platform at equal intervals along the circumferential direction; each group of electric cylinder driving groups comprises two electric cylinders, and two ends of each electric cylinder are respectively connected with the base and the upper platform in a rotating way; the connection point of the two electric cylinders in each electric cylinder driving group and the base forms an included angle of 30 degrees by taking the center of a circle where the base is located as an angular vertex, and the center of a circle where the platform is located above the connection point of the two electric cylinders in each electric cylinder driving group and the upper platform forms an included angle of 30 degrees by taking the center of the circle where the platform is located as the angular vertex.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the both ends of electronic jar rotate with base and upper platform respectively and are connected, and simple rotation connection structure only can make electronic jar rotate around its rotation connecting axle, has produced the interference to the activity of six degrees of freedom on six degrees of freedom, influence the simulated training result.

Disclosure of Invention

In order to solve the problems, the utility model provides a six-degree-of-freedom platform.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a six degree of freedom platforms, includes the base, sets up servo electricity jar on the base, sets up the upper platform on servo electricity jar and be fixed in on the base and with servo electricity jar electricity connected controller, servo electricity jar is equipped with six, every all through swing joint subassembly swing joint between servo electricity jar and base and the upper platform, swing joint subassembly includes the mounting panel fixed with servo electricity jar bottom, with the fixed two fixed blocks of mounting panel bottom surface, runs through the connecting axle that sets up on the fixed block and with fixed block clearance fit, with connecting axle swing joint's spliced pole, with the sleeve of base upper surface fixed and with sleeve inner wall interference fit's first bearing, first bearing inner race and spliced pole interference fit.

Through adopting above-mentioned technical scheme, all through swing joint subassembly swing joint between servo cylinder and base and the upper platform, when using this six degree of freedom platforms to carry out action scene simulation training, the staff only need be fixed in on the upper platform with the model, afterwards through six servo cylinder operations of controller control can, in the motion process, servo cylinder bottom's fixed block passes through connecting axle swing joint with the spliced pole, and rotate through first bearing between sleeve on the base and the spliced pole, also pass through swing joint subassembly swing joint between servo cylinder and the upper platform, so that the activity of upper platform on six degrees of freedom can move smoothly, avoided influencing the condition of simulation training result because of servo cylinder is difficult to the activity.

Further, a second bearing is arranged in the sleeve, the outer wall of the outer ring of the second bearing is in interference fit with the inner wall of the sleeve, and the inner wall of the inner ring of the second bearing is in interference fit with the connecting column.

By adopting the technical scheme, the second bearing is matched with the first bearing, so that a good movable effect is kept between the connecting column and the sleeve, and smooth performance of simulation training is promoted.

Further, a limiting block is arranged at the position, close to the lower end of the connecting column, and a screw through hole is formed in the side wall of the limiting block in a penetrating mode.

Through adopting above-mentioned technical scheme, the staff can fix stopper and spliced pole through the screw to this makes the stopper all play good spacing effect to second bearing and first bearing, has strengthened the stability of second bearing and first bearing in the use.

Further, a baffle is fixed at one end of the connecting shaft, cutting parts are arranged at two sides of the baffle, a locking block is connected with the other end of the connecting shaft in a threaded mode, and a plurality of grooves are formed in the side wall of the locking block.

Through adopting above-mentioned technical scheme, when assembling, the staff at first needs pass fixed block and spliced pole with the connecting axle in proper order, and later through fixed tool clamp cutting portion such as pliers, screw up the locking piece can, the setting of recess has reduced the in-process that the staff rotated the locking piece and has taken place the probability of skidding.

Further, a wiring hole is formed in the shell of the controller.

Through adopting above-mentioned technical scheme, the setting of wiring hole to this wire of being convenient for passes, has reduced the wire of exposing, has strengthened the aesthetic property.

Further, universal wheels and threaded columns are fixed at the bottom of the base, lifting rods in threaded connection with the threaded columns are arranged at the lower ends of the threaded columns, and supporting plates are fixed at the lower ends of the lifting rods.

Through adopting above-mentioned technical scheme, the setting of universal wheel to this staff promotes six degrees of freedom platforms to training position, when training, the staff only need twist the lifter, makes the backup pad land, and the universal wheel is unsettled, has strengthened the stability of six degrees of freedom platforms in simulation training process.

Further, a hexagonal block is fixed on the side wall of the lifting rod close to the lower end of the lifting rod.

Through adopting above-mentioned technical scheme, the setting of hexagonal piece to this staff of being convenient for rotates the lifter through hexagonal piece.

In summary, the utility model has the following beneficial effects:

1. in the application, the servo electric cylinders are movably connected with the base and the upper platform through the movable connecting component, when the six-degree-of-freedom platform is used for motion scene simulation training, a worker only needs to fix a model on the upper platform and then control the six servo electric cylinders to operate through the controller, in the motion process, the fixed blocks at the bottom of the servo electric cylinders are movably connected with the connecting columns through the connecting shafts, the sleeves on the base are rotatably connected with the connecting columns through the first bearings, and the servo electric cylinders are also movably connected with the upper platform through the movable connecting component, so that the upper platform can operate smoothly in six degrees of freedom, and the situation that simulation training results are influenced due to the fact that the servo electric cylinders are difficult to move is avoided;

2. in the application, the second bearing is matched with the first bearing, so that a good moving effect is kept between the connecting column and the sleeve, and smooth performance of simulation training is promoted;

3. in this application, when assembling, the staff at first needs to pass fixed block and spliced pole with the connecting axle in proper order, later through fixed tool clamp cutting portion such as pliers, screw up the locking piece can, the setting of recess has reduced the in-process that the staff rotated the locking piece and has taken place the probability of skidding.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model for highlighting an articulating assembly;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B in FIG. 2;

fig. 5 is an enlarged schematic view at C in fig. 1.

In the figure: 1. a base; 11. a universal wheel; 12. a controller; 121. a wiring hole; 2. a servo electric cylinder; 3. a top platform; 4. a movable connecting component; 41. a mounting plate; 42. a fixed block; 43. a connecting shaft; 44. a connecting column; 45. a sleeve; 451. a second bearing; 46. a first bearing; 5. a threaded column; 51. a lifting rod; 511. a support plate; 512. hexagonal blocks; 6. a baffle; 61. a cutting portion; 7. a locking block; 71. a groove; 8. a limiting block; 81. and (5) punching holes through the screws.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

As shown in fig. 1-5, the embodiment of the application discloses a six-degree-of-freedom platform, which comprises a base 1, a servo electric cylinder 2, an upper platform 3 and a movable connecting component 4. The base 1 is horizontally arranged, the universal wheel 11 and the threaded column 5 are fixed at the bottom of the base 1, the lifting rod 51 in threaded connection with the threaded column 5 is arranged at the lower end of the threaded column 5, the supporting plate 511 is fixed at the lower end of the lifting rod 51, and the hexagonal block 512 is fixed on the side wall of the lifting rod 51 close to the lower end of the lifting rod.

The servo electric cylinder 2 is arranged on the base 1, the upper platform 3 is arranged on the servo electric cylinder 2, the base 1 is fixedly provided with a controller 12 electrically connected with the servo electric cylinder 2, the servo electric cylinders 2 are six, and the outer shell of the controller 12 is provided with wiring holes 121. The movable connecting component 4 is used for movably connecting the servo electric cylinder 2 with the base 1 and the upper platform 3, and the movable connecting component 4 comprises a mounting plate 41, a fixed block 42, a connecting shaft 43, a connecting column 44, a sleeve 45 and a first bearing 46. The mounting plate 41 is fixed with the bottom of the servo electric cylinder 2, the fixed block 42 is fixed with the bottom surface of the mounting plate 41, and the two fixed blocks 42 are symmetrically arranged. The connecting shaft 43 penetrates through the fixed block 42 and is in clearance fit with the fixed block 42, the connecting shaft 43 penetrates through the connecting column 44 and is movably connected with the connecting column 44, the baffle 6 is fixed at one end of the connecting shaft 43, cutting portions 61 are arranged on two sides of the baffle 6, the locking block 7 is connected with the other end of the connecting shaft 43 in a threaded mode, and a plurality of grooves 71 are formed in the side wall of the locking block 7. The sleeve 45 is of a cylindrical structure, the upper end of the sleeve is closed, the connecting shaft 43 penetrates through the upper end of the sleeve 45, and the lower end of the sleeve 45 is fixed with the upper surface of the base 1. The first bearing 46 is in interference fit with the inner wall of the sleeve 45, and the inner ring of the first bearing 46 is in interference fit with the connecting column 44.

In this embodiment, the second bearing 451 is disposed in the sleeve 45, the outer wall of the outer ring of the second bearing 451 is in interference fit with the inner wall of the sleeve 45, and the inner wall of the inner ring of the second bearing 451 is in interference fit with the connecting post 44, so that the second bearing 451 is matched with the first bearing 46, so that a good activity effect is maintained between the connecting post 44 and the sleeve 45, and smooth performance of simulation training is promoted. The position that the connecting column 44 is close to the lower end of the connecting column is provided with a limiting block 8, the side wall of the limiting block 8 is provided with a screw through hole 81 in a penetrating mode, a worker can fix the limiting block 8 and the connecting column 44 through screws, so that the limiting block 8 has good limiting effect on both the second bearing 451 and the first bearing 46, and stability of the second bearing 451 and the first bearing 46 in the using process is enhanced.

The use principle of the six-degree-of-freedom platform in the embodiment is as follows: the servo electric cylinder 2 is movably connected with the base 1 and the upper platform 3 through the movable connecting component 4, when the six-degree-of-freedom platform is used for motion scene simulation training, a worker only needs to fix a model on the upper platform 3 and then controls six servo electric cylinders 2 to operate through the controller 12, in the motion process, the fixed block 42 at the bottom of the servo electric cylinder 2 is movably connected with the connecting column 44 through the connecting shaft 43, the sleeve 45 on the base 1 is rotatably connected with the connecting column 44 through the first bearing 46, and the servo electric cylinder 2 is movably connected with the upper platform 3 through the movable connecting component 4, so that the upper platform 3 can operate smoothly in six degrees of freedom, and the condition that the simulation training result is influenced due to the fact that the servo electric cylinder 2 is difficult to move is avoided.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a six degrees of freedom platform, includes base (1), sets up servo electricity jar (2) on base (1), sets up upper platform (3) on servo electricity jar (2) and is fixed in on base (1) and with servo electricity jar (2) electrically connected controller (12), servo electricity jar (2) are equipped with six, characterized by: every all through swing joint subassembly (4) swing joint between servo electric jar (2) and base (1) and upper platform (3), swing joint subassembly (4) include with fixed mounting panel (41) in servo electric jar (2) bottom, with two fixed blocks (42) of mounting panel (41) bottom surface fixed, run through set up on fixed block (42) and with fixed block (42) clearance fit's connecting axle (43), with connecting axle (43) swing joint's spliced pole (44), with base (1) upper surface fixed sleeve (45) and with sleeve (45) inner wall interference fit's first bearing (46), first bearing (46) inner circle and spliced pole (44) interference fit.

2. A six degree of freedom platform according to claim 1, wherein: a second bearing (451) is arranged in the sleeve (45), the outer wall of the outer ring of the second bearing (451) is in interference fit with the inner wall of the sleeve (45), and the inner wall of the inner ring of the second bearing (451) is in interference fit with the connecting column (44).

3. A six degree of freedom platform according to claim 2, wherein: a limiting block (8) is arranged at the position, close to the lower end of the connecting column (44), of the connecting column, and a screw through hole (81) is formed in the side wall of the limiting block (8) in a penetrating mode.

4. A six degree of freedom platform according to claim 2, wherein: the novel connecting device is characterized in that a baffle plate (6) is fixed at one end of the connecting shaft (43), cutting parts (61) are arranged on two sides of the baffle plate (6), a locking block (7) is connected with the other end of the connecting shaft (43) in a threaded mode, and a plurality of grooves (71) are formed in the side wall of the locking block (7).

5. The six degree of freedom platform of claim 4 wherein: a wiring hole (121) is formed in the shell of the controller (12).