CN213339229U - Six-freedom-degree motion platform - Google Patents
Six-freedom-degree motion platform Download PDFInfo
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- CN213339229U CN213339229U CN202021249226.2U CN202021249226U CN213339229U CN 213339229 U CN213339229 U CN 213339229U CN 202021249226 U CN202021249226 U CN 202021249226U CN 213339229 U CN213339229 U CN 213339229U
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Abstract
The utility model discloses a six degree of freedom motion platform, include: the platform comprises a platform base (10), wherein three supporting points (101) are formed on the platform base (10), and the three supporting points (101) are arranged in a regular triangle; the device comprises six telescopic devices (20), wherein every two of the six telescopic devices (20) form a group, and one end of each group of telescopic devices (20) is hinged with one of the three supporting points (101); the upper platform (30) is hinged with the other end of each group of telescopic devices (20), and the upper platform (30) and each group of telescopic devices (20) form a regular triangle; wherein the simulation cabin body is connected to the upper platform (30). The motion platform can truly simulate various road conditions of the vehicle, so that the reality sense of vehicle simulation is stronger, and the motion platform has the advantages of large bearing capacity, high rigidity, high motion speed, small accumulated error and good dynamic performance.
Description
Technical Field
The utility model relates to a military training equipment field especially relates to a six degree of freedom motion platform.
Background
Before each professional student of the army armored vehicle operates the actual vehicle, the training of the operation process of the corresponding vehicle simulator needs to be completed. However, the simulator does not have the same running function as the real vehicle, and particularly simulates the vehicle postures of rolling, pitching, backseat, rolling, pitching and the like, which causes a problem that the real vehicle running feeling of the simulator is not consistent compared with the real vehicle.
Disclosure of Invention
The utility model discloses aim at solving one of the problem that above-mentioned prior art exists, provide a six degree of freedom motion platform, this motion platform can truly simulate the various road conditions of vehicle for the reality of vehicle simulation is stronger, and the bearing capacity is big moreover, rigidity is high, the rate of motion is fast, the accumulative error is little, dynamic performance is good.
In order to achieve the above object, the utility model provides a six-degree-of-freedom motion platform, include:
the device comprises a platform base and a platform base, wherein three supporting points are formed on the platform base and are arranged in a regular triangle;
the six telescopic devices are grouped in pairs, and one end of each group of telescopic devices is hinged with one of the three supporting points;
the upper platform is hinged with the other end of each group of telescopic devices, and the upper platform and each group of telescopic devices form a regular triangle;
wherein the simulated nacelle is coupled to the upper platform.
In the technical scheme, the simulation cabin body is fixedly connected to the upper platform, and different telescopic lengths are respectively adjusted through the six telescopic devices, so that the upper platform realizes the postures of fluctuation, bump, backseat, heeling, pitching and the like, the road condition of the vehicle is simulated more truly, the reality sense of vehicle simulation is stronger, and the vehicle simulation has large bearing capacity, high rigidity, high movement speed, small accumulated error and good dynamic performance.
In addition, according to the utility model discloses a six degrees of freedom motion platform can also have following technical characterstic:
in one example of the present invention, the,
the telescoping device includes:
the driving motor is fixedly connected with a driving wheel;
the electric push rod comprises a cylinder body, a piston rod which is telescopically arranged in the cylinder body, a screw rod which is rotatably arranged in the cylinder body and a nut which is sleeved on the screw rod, and the nut is fixedly connected with the piston rod;
and a driven wheel is fixed on the screw rod and meshed with the driving wheel.
In one example of the present invention, the,
the six telescopic devices are connected with the platform base and the upper platform through universal joints.
In one example of the present invention, the,
the universal joint includes:
the base is provided with a rotating cavity and fixedly connected with the platform base or the upper platform;
the pivot, the one end of pivot with change chamber pivotally movable cooperation, just the other end of pivot with the platform base or the articulated hookup of upper mounting plate.
In one example of the present invention, the,
the universal joint is connected with the platform base or the upper platform through a fastener;
a plurality of first positioning holes are formed in the base;
a plurality of second positioning holes are formed in the platform base or the upper platform;
the first positioning holes correspond to the second positioning holes one by one;
the fastener sequentially penetrates through the first positioning hole and the second positioning hole.
In an example of the present invention, with four universal joints hinged to each group of the telescopic devices, two of the universal joints are arranged in parallel on the platform base or the upper platform, and two of the universal joints are arranged at 60-degree included angles on the upper platform or the platform base.
In an example of the present invention, the present invention further includes:
and the connecting plate is fixedly connected with the upper platform, and the universal joint is fixedly connected on the connecting plate.
In an example of the present invention, the upper platform has a plate-shaped hollow structure.
In one example of the present invention, the,
further comprising:
and the controller is electrically connected with each of the six telescopic devices and is used for controlling the independent or synchronous telescopic action of each telescopic device.
In one example of the present invention, the,
the upper platform is provided with a mounting hole which is connected with the simulation cabin body.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
Fig. 1 is a schematic structural diagram of a six-degree-of-freedom motion platform according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another direction of a six-degree-of-freedom motion platform according to an embodiment of the present invention.
Reference numerals:
a motion platform 100;
a platform base 10;
a support point 101;
a telescoping device 20;
an upper platform 30;
a mounting hole 301;
a universal joint 40;
a base 41;
a rotating shaft 42;
a connecting plate 50.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
According to the utility model discloses a six degree of freedom motion platform 100, include:
the platform comprises a platform base 10 and the platform base 10, wherein three supporting points 101 are formed on the platform base 10, and the three supporting points 101 are arranged in a regular triangle;
that is, platform base 10 serves as a support base for six-DOF motion platform 100, supporting the other components of the six-DOF support platform (e.g., six telescoping devices 20, upper platform 30, etc., described below)
The six telescopic devices 20 are grouped in pairs, and one end of each group of telescopic devices 20 is hinged with one of the three supporting points 101;
the upper platform 30 is hinged with the other end of each group of telescopic devices 20, and the upper platform 30 and each group of telescopic devices 20 form a regular triangle;
wherein the simulated nacelle is coupled to the upper platform 30.
It can be understood that the simulation cabin is fixedly connected to the upper platform 30, and the six telescopic devices 20 respectively adjust different telescopic lengths, so that the upper platform 30 realizes the postures of fluctuation, bump, backseat, heeling, pitching and the like, the road condition of the vehicle is simulated more truly, the reality sense of the vehicle simulation is stronger, and the simulation cabin has large bearing capacity, high rigidity, high movement speed, small accumulated error and good dynamic performance.
In one example of the present invention, the,
the telescopic device 20 includes:
the driving motor is fixedly connected with a driving wheel;
the electric push rod comprises a cylinder body, a piston rod which is telescopically arranged in the cylinder body, a screw rod which is rotatably arranged in the cylinder body and a nut which is sleeved on the screw rod, and the nut is fixedly connected with the piston rod;
and a driven wheel is fixed on the screw rod and meshed with the driving wheel.
That is to say, by driving motor drive action wheel rotation to by the driven round of driving wheel drive with it meshing rotate, thereby the lead screw rotates in the cylinder body, then the nut on the lead screw moves along the length direction of lead screw, finally realizes the concertina movement of piston rod, here realizes the concertina movement of piston rod through driving motor's positive and negative rotation.
In one example of the present invention, the,
six telescoping devices 20 with platform base 10 all link through universal joint 40 between the upper mounting plate 30, can make between telescoping device 20 and the platform base 10 and between telescoping device 20 and the upper mounting plate 30 relatively rotate through setting up universal joint 40 to realize the rotation of upper mounting plate 30 for platform base 10.
In one example of the present invention, the,
the universal joint 40 includes:
a base 41, wherein a rotation cavity is defined on the base 41, and the base 41 is fixedly connected with the platform base 10 or the upper platform 30;
one end of the rotating shaft 42 is pivotally matched with the rotating cavity, and the other end of the rotating shaft 42 is hinged with the platform base 10 or the upper platform 30;
more specifically, a bearing seat is disposed in the rotation cavity, and the rotating shaft 42 is coupled to the bearing seat, for example, an outer ring of the bearing seat is fixedly disposed in the rotation cavity, and the rotating shaft 42 is fixedly coupled to an inner ring of the bearing seat in an interference fit manner, so that the rotating shaft 42 rotates in the rotation cavity of the base 41.
In one example of the present invention, the,
the universal joint 40 is connected with the platform base 10 or the upper platform 30 through a fastener;
a plurality of first positioning holes are formed in the base 41;
a plurality of second positioning holes are formed in the platform base 10 or the upper platform 30;
the first positioning holes correspond to the second positioning holes one by one;
the fastener sequentially penetrates through the first positioning hole and the second positioning hole;
the universal joint 40 can be conveniently detachably connected with the platform base 10 or the upper platform 30 through the arrangement of the fasteners, and the reliability is high.
In an example of the present invention, four universal joints 40 are hinged to each set of telescoping devices 20, two of which are disposed in parallel on the platform base 10 or the upper platform 30, and the other two of which are disposed on the upper platform 30 or the platform base 10 at an included angle of 60 degrees; this makes it possible to realize the postures of the upper deck 30 with respect to the deck base 10 such as heave, pitch, backseat, roll, pitch, and the like.
In an example of the present invention, the upper platform 30 has a plate-shaped hollow structure, and the weight of the upper platform 30 can be reduced by configuring the upper platform 30 as the hollow structure, so as to improve the reliability of the support of the telescopic device 20; it is understood that the hollow structure of the upper platform 30 may be a regular structure or an irregular structure.
In an example of the present invention, the present invention further includes:
a connecting plate 50, wherein the connecting plate 50 is fixedly coupled with the upper platform 30, and the universal joint 40 is fixedly coupled to the connecting plate 50; because the upper platform 30 is a hollow structure, in order to facilitate the connection between the upper platform 30 and the universal joint 40, a connection plate 50 may be provided, for example, the connection plate 50 may be fixedly connected to the upper platform 30 by welding, and the universal joint 40 and the connection plate 50 are connected by a fastener.
In one example of the present invention, the,
further comprising:
a controller electrically connected to each of the six telescoping devices 20 for controlling independent or synchronous telescoping action of each of the telescoping devices 20;
the six-freedom-degree motion platform 100 can be automatically controlled by arranging the controller, and the operation and the control are convenient.
In one example of the present invention, the,
the upper platform 30 is provided with mounting holes which are connected with the simulation cabin body; specifically, the simulation cabin is provided with connecting holes corresponding to the mounting holes one to one, the mounting holes and the connecting holes are sequentially connected through connecting pieces, the simulation cabin is fixed, and the simulation cabin and the upper platform 30 can be conveniently disassembled and assembled to simulate different vehicles. For example, the connecting member may be a bolt member.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A six degree-of-freedom motion platform, comprising:
the platform comprises a platform base (10), wherein three supporting points (101) are formed on the platform base (10), and the three supporting points (101) are arranged in a regular triangle;
the device comprises six telescopic devices (20), wherein every two of the six telescopic devices (20) form a group, and one end of each group of telescopic devices (20) is hinged with one of the three supporting points (101);
the upper platform (30) is hinged with the other end of each group of telescopic devices (20), and the upper platform (30) and each group of telescopic devices (20) form a regular triangle;
wherein the simulated nacelle is coupled to the upper platform (30).
2. The six degree-of-freedom motion platform of claim 1,
the telescopic device (20) comprises:
the driving motor is fixedly connected with a driving wheel;
the electric push rod comprises a cylinder body, a piston rod which is telescopically arranged in the cylinder body, a screw rod which is rotatably arranged in the cylinder body and a nut which is sleeved on the screw rod, and the nut is fixedly connected with the piston rod;
and a driven wheel is fixed on the screw rod and meshed with the driving wheel.
3. The six degree-of-freedom motion platform of claim 1,
the six telescopic devices (20) are connected with the platform base (10) and the upper platform (30) through universal joints (40).
4. The six degree-of-freedom motion platform of claim 3,
the universal joint (40) comprises:
a base (41), wherein a rotation cavity is defined on the base (41), and the base (41) is fixedly connected with the platform base (10) or the upper platform (30);
the one end of pivot (42) with change chamber pivotally movable cooperation, just the other end of pivot (42) with platform base (10) or upper platform (30) are articulated to be linked.
5. The six degree-of-freedom motion platform of claim 4,
the universal joint (40) is connected with the platform base (10) or the upper platform (30) through a fastener;
a plurality of first positioning holes are formed in the base (41);
a plurality of second positioning holes are formed in the platform base (10) or the upper platform (30);
the first positioning holes correspond to the second positioning holes one by one;
the fastener sequentially penetrates through the first positioning hole and the second positioning hole.
6. The six degree-of-freedom motion platform of claim 3,
and four universal joints (40) hinged with each group of expansion devices (20), wherein two universal joints are arranged on the platform base (10) or the upper platform (30) in parallel, and the other two universal joints are arranged on the upper platform (30) or the platform base (10) at 60-degree included angles.
7. The six degree-of-freedom motion platform of claim 3,
further comprising:
a connecting plate (50), the connecting plate (50) being fixedly coupled with the upper platform (30), and the universal joint (40) being fixedly coupled on the connecting plate (50).
8. The six degree-of-freedom motion platform of claim 1,
the upper platform (30) is of a plate-shaped hollow structure.
9. The six degree-of-freedom motion platform of claim 1,
further comprising:
a controller electrically connected to each of the six telescopic devices (20) for controlling the independent or synchronized telescopic action of each of the telescopic devices (20).
10. The six degree-of-freedom motion platform of claim 1,
the upper platform (30) is provided with mounting holes which are connected with the simulation cabin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249226.2U CN213339229U (en) | 2020-06-30 | 2020-06-30 | Six-freedom-degree motion platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249226.2U CN213339229U (en) | 2020-06-30 | 2020-06-30 | Six-freedom-degree motion platform |
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| CN213339229U true CN213339229U (en) | 2021-06-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120748A (en) * | 2021-11-25 | 2022-03-01 | 中国人民解放军火箭军工程大学 | Six-degree-of-freedom motion platform system based on reverse gravity balance |
| CN114973903A (en) * | 2022-06-10 | 2022-08-30 | 范莹莹 | Multi-degree-of-freedom simulation platform for intelligent classroom teaching |
-
2020
- 2020-06-30 CN CN202021249226.2U patent/CN213339229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120748A (en) * | 2021-11-25 | 2022-03-01 | 中国人民解放军火箭军工程大学 | Six-degree-of-freedom motion platform system based on reverse gravity balance |
| CN114973903A (en) * | 2022-06-10 | 2022-08-30 | 范莹莹 | Multi-degree-of-freedom simulation platform for intelligent classroom teaching |
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