CN211827860U - Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform - Google Patents
Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform Download PDFInfo
- Publication number
- CN211827860U CN211827860U CN202020857213.7U CN202020857213U CN211827860U CN 211827860 U CN211827860 U CN 211827860U CN 202020857213 U CN202020857213 U CN 202020857213U CN 211827860 U CN211827860 U CN 211827860U
- Authority
- CN
- China
- Prior art keywords
- platform
- freedom motion
- vertical telescopic
- driving device
- degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model provides a multi-degree-of-freedom motion platform and a multi-degree-of-freedom motion earthquake simulation platform, wherein the multi-degree-of-freedom motion platform comprises a base, a first middle bracket, a second middle bracket, a top platform, a transverse driving device, a longitudinal driving device and an inclination driving device; the base, the first middle bracket, the second middle bracket and the top platform are sequentially arranged from bottom to top; the transverse driving device drives the first middle bracket to move transversely; the longitudinal driving device drives the second middle bracket to move longitudinally; the tilt driving device is arranged on the second middle support and drives the top platform to tilt and overturn. The utility model discloses a multi freedom motion platform can simulate horizontal direction horizontal, vertical and horizontal direction's combined motion alone, can also simulate the inclined motion of vertical direction, possesses high degree of freedom to its compact structure has reduced the height of existing equipment, has reduced greatly and has accounted for area.
Description
Technical Field
The utility model relates to an earthquake simulation technology field, concretely relates to multi freedom motion platform and multi freedom motion earthquake simulation platform.
Background
Earthquake, also called earthquake and earth vibration, is a natural phenomenon that the earth's crust will generate earthquake waves during the vibration caused by the process of releasing energy rapidly. The mutual extrusion and collision between the plates on the earth cause the dislocation and the fracture of the plate edges and the plate interiors, which is the main reason of the earthquake. Statistically, more than 500 million earthquakes occur on earth every year, i.e., ten thousand earthquakes occur each day. Most of them are too small or too far away to be felt by people; the earthquakes which really cause serious harm to human beings are about more than ten and twenty times; there are about two earthquakes that can cause particularly serious disasters. The earthquake which people cannot feel can be recorded only by using a seismograph; different types of seismographs can record earthquakes with different intensities and different distances. Thousands of various seismic instruments are operated around the world to monitor the trend of earthquakes day and night.
Therefore, science popularization education to the earthquake is indispensable, especially to earthquake simulation, can not only let the people know the harm of earthquake, also can let the people feel the earthquake in advance, avoids the people to take measures when the real earthquake takes place to a certain extent. The motion platform used by the existing earthquake simulation can only simply simulate the earthquake motion, is difficult to truly simulate the earthquake scene from longitudinal waves to transverse waves to surface waves, and has poor simulation effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcoming and not enough among the prior art, provide a multi freedom motion platform and multi freedom motion earthquake simulation platform.
An embodiment of the utility model provides a multi freedom motion platform, include: the device comprises a base, a first middle bracket, a second middle bracket, a top platform, a transverse driving device, a longitudinal driving device and an inclination driving device;
the base, the first middle bracket, the second middle bracket and the top platform are sequentially arranged from bottom to top;
the transverse driving device comprises a transverse guiding assembly and a transverse power assembly, the transverse guiding assembly is arranged on the base and connected with the first middle bracket, and the transverse power assembly is arranged on the base and drives the first middle bracket to transversely move;
the longitudinal driving device comprises a longitudinal guiding assembly and a longitudinal power assembly, the longitudinal guiding assembly is arranged on the first middle support and connected with the second middle support, and the longitudinal power assembly is arranged on the base and drives the second middle support to move longitudinally;
the inclination driving device comprises two vertical telescopic assemblies and two rotary supports, the vertical telescopic assemblies are arranged on the second middle support, the telescopic ends of the vertical telescopic assemblies are connected with the bottom of the top platform in a rotating mode, the rotary supports are arranged on the second middle support, the vertical telescopic assemblies are connected with the bottom of the top platform in a rotating mode, and the rotary supports and the two vertical telescopic assemblies are not on the same straight line.
Compared with the prior art, the utility model discloses a multi freedom motion platform can simulate horizontal direction horizontal, vertical and horizontal direction's combined motion alone, can also simulate the inclined motion of vertical direction, possesses high degree of freedom to its compact structure has reduced the height of existing equipment, has reduced greatly to account for space area.
Further, the distance between the two vertical telescopic assemblies and the rotating support is the same. The distance between the two vertical telescopic assemblies and the rotary support is the same, so that the inclination angle of the top platform can be uniformly adjusted by the two vertical telescopic assemblies.
Further, the distance between every two of the two vertical telescopic assemblies and the rotating support is the same. Can make the top platform realize more extensive inclination and adjust, also can more stably support the top platform, improve the security.
Furthermore, the rotating support and the two vertical telescopic assemblies are hinged with the bottom of the top platform through universal ball joints. More rotation angles can be provided through the universal ball joint, so that free tilting motion of the top platform is supported.
Furthermore, when the telescopic ends of the two vertical telescopic assemblies are located in the middle of the telescopic stroke, the top surface of the top platform is parallel to the horizontal plane. Can make the top platform realize more extensive inclination and adjust, regard as initial condition when parallel with the horizontal plane with the top platform, also be convenient for vertical flexible subassembly to realize more combined motion.
Further, the top platform is provided with two upwards convex supporting parts, and the flexible end of vertical flexible subassembly with the bottom of supporting part is rotated and is connected. The vertical telescopic assembly generally has a certain height, the supporting part can reduce the height of the top platform, and the vertical telescopic assembly is convenient to install and the joint of the vertical telescopic assembly and the top platform is increased.
Further, the vertical telescopic assembly is an electric cylinder, an air cylinder or an oil hydraulic cylinder.
Furthermore, the inclination driving device further comprises two rotating seats, the rotating seats are arranged on the second middle support, the vertical telescopic assemblies are connected with the rotating seats in a rotating mode, and the rotating axes of the vertical telescopic assemblies are perpendicular to the direction of the vertical telescopic assemblies towards the rotating support. The output end of an electric cylinder, an air cylinder or an oil hydraulic cylinder which is used as a vertical telescopic component is prevented from being blocked.
Further, the transverse power assembly and the longitudinal power assembly are both electric cylinders, air cylinders or oil hydraulic cylinders.
Compared with the prior art, the multi-degree-of-freedom motion platform can independently simulate the horizontal, longitudinal and horizontal combined motion, can also simulate the vertical inclined motion, has extremely high degree of freedom, has compact structure, reduces the height of the existing equipment, and greatly reduces the occupied space area; furthermore, the top platform can realize wider inclination angle adjustment through the triangular support structure, and can also stably support the top platform, so that the safety is improved; furthermore, more rotation angles can be provided through the universal ball joint, so that the free tilting motion of the top platform is supported; furthermore, the adjustment range of the inclination angle of the top platform is expanded, so that more combined motions of the vertical telescopic assembly can be realized conveniently; furthermore, the vertical telescopic assembly generally has a certain height, the supporting part can reduce the height of the top platform, and the vertical telescopic assembly is convenient to mount so as to increase the connection part of the vertical telescopic assembly and the top platform; furthermore, through the setting of roating seat, avoid as the dead output card of vertical flexible subassembly's electronic jar, cylinder or oil pressure jar.
An embodiment of the utility model provides a multi freedom motion earthquake simulation platform, include: scene display equipment and as stated above a multi freedom motion platform, the scene display equipment sets up in the top platform.
Compared with the prior art, the utility model discloses a horizontal motion and the tilt motion of vertical direction when multi freedom motion earthquake simulation platform can perfect simulation earthquake, give the experience of the true earthquake of user, have fine science popularization education meaning.
In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a multi-degree-of-freedom motion platform according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of one side of the multiple degree of freedom motion platform shown in FIG. 1;
fig. 3 is a schematic structural diagram of the other side of the multiple degree of freedom motion platform shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a multi-degree-of-freedom motion platform according to an embodiment of the present invention, the multi-degree-of-freedom motion platform includes: a base 10, a first intermediate support 20, a second intermediate support 30, a top platform 40, a transverse drive, a longitudinal drive and a tilt drive;
the base 10, the first intermediate support 20, the second intermediate support 30 and the top platform 40 are sequentially arranged from bottom to top;
the transverse driving device comprises a transverse guiding assembly 51 and a transverse power assembly, wherein the transverse guiding assembly 51 is arranged on the base 10 and connected with the first middle support 20, and the transverse power assembly is arranged on the base 10 and drives the first middle support 20 to transversely move.
It should be noted that the transverse driving device may be designed according to actual needs, in this embodiment, the transverse power assembly is an electric cylinder, which is disposed on the base 10, the output end of the electric cylinder is connected to the first middle bracket 20, and the transverse power assembly is a guide rail and a slider matched with the guide rail; in other embodiments, the lateral driving device may also be a screw device, a rotary motor translation device, a belt translation device, an oil hydraulic cylinder translation device, an air cylinder translation device, a linear motor translation device, or the like. The working principle of the rotating motor translation device, the belt translation device, the cylinder translation device or the linear motor translation device is the same as that discussed above, and detailed description is omitted here.
The longitudinal driving device comprises a longitudinal guiding component 61 and a longitudinal power component, wherein the longitudinal guiding component 61 is arranged on the first middle bracket 20 and connected with the second middle bracket 30, and the longitudinal power component is arranged on the base 10 and drives the second middle bracket 30 to move longitudinally. The longitudinal driving device and the transverse driving device are combined to drive the top platform 40 to move in the horizontal direction, and the transverse wave of the earthquake can be simulated independently.
It should be noted that the longitudinal driving device may be designed according to actual needs, in this embodiment, the longitudinal power assembly is an electric cylinder, and is disposed on the first intermediate bracket 20, the output end of the electric cylinder is connected to the second intermediate bracket 30, and the longitudinal power assembly is a guide rail and a slider matched with the guide rail; in other embodiments, the longitudinal driving device may also be a screw device, a rotary motor translation device, a belt translation device, an oil hydraulic cylinder translation device, an air cylinder translation device, a linear motor translation device, or the like. The working principle of the rotating motor translation device, the belt translation device, the cylinder translation device or the linear motor translation device is the same as that discussed above, and detailed description is omitted here.
Referring to fig. 2, which is a schematic structural diagram of one side of the multiple degree of freedom motion platform shown in fig. 1, the tilt driving device includes two vertical telescopic assemblies 71 and a rotating support 72, the two vertical telescopic assemblies 71 are disposed on the second intermediate support 30, telescopic ends of the two vertical telescopic assemblies are rotatably connected with the bottom of the top platform 40, the rotating support 72 is disposed on the second intermediate support 30 and rotatably connected with the bottom of the top platform 40, and the rotating support 72 and the two vertical telescopic assemblies 71 are not in the same straight line. The inclination driving device is used for inclining and overturning the top platform 40 in the vertical direction, so that an object positioned on the top platform 40 can not only move in the vertical direction, but also can incline and overturn towards different angles, the top platform 40 can achieve higher freedom of movement, and the scene of rolling and inclining generated on the ground can be simulated.
It should be noted that the vertical telescopic assembly 71 is an assembly for driving an object to move repeatedly in the vertical direction, and the specific structure of the vertical telescopic assembly 71 may be correspondingly arranged according to actual needs, for example, the vertical telescopic assembly 71 may be an electric cylinder, an air cylinder or an oil hydraulic cylinder, and in this embodiment, the vertical telescopic assembly 71 is an electric cylinder, so as to achieve accurate adjustment of the movement of the top platform 40.
In some embodiments, the two vertical telescopic assemblies 71 and the rotating support 72 have the same distance, so that the two vertical telescopic assemblies 71 can both uniformly adjust the tilting angle of the top platform 40, and an isosceles triangle support structure with good stability is formed by the two vertical telescopic assemblies 71 and the rotating support 72 for three supporting points of the top platform 40, thereby ensuring that the top platform 40 can be tilted and turned stably. Preferably, the distance between each two of the two vertical telescopic assemblies 71 and the two rotating supports 72 is the same, and an equilateral triangle supporting structure with good stability is formed by the three supporting points of the two vertical telescopic assemblies 71 and the three supporting points of the rotating supports 72, so that the inclination and turnover angle of the top platform 40 can be adjusted more accurately and conveniently.
In some embodiments, the swivel mount 72 and the two vertical telescoping assemblies 71 are articulated to the bottom of the top platform 40 by a universal ball joint.
It should be noted that, in order to ensure that the telescopic ends of the vertical telescopic assemblies 71 are lower than the horizontal level of the rotating support 72 when they are retracted downwards, thereby increasing the inclinable range of the top platform 40, the top surface of the top platform 40 is parallel to the horizontal plane when the telescopic ends of the two vertical telescopic assemblies 71 are in the middle position of the telescopic stroke. In some embodiments, the top platform 40 is provided with two upward convex supporting portions 11, the bottom of each supporting portion 11 is higher than the bottom of the top platform 40, the telescopic end of each vertical telescopic assembly 71 is rotatably connected with the bottom of each supporting portion 11, and each vertical telescopic assembly 71 generally has a certain height, so that the height of a connecting point between the top platform 40 and the vertical telescopic assembly 72 is increased through the supporting portions 11, the situation that the whole top platform 40 is increased to cause the device to be too high is avoided, the risk that people above the top platform 40 drop carelessly is reduced, and the safety of the device is improved.
Referring to fig. 3, which is a schematic structural view of the other side of the multiple degree of freedom motion platform shown in fig. 1, in some embodiments, the tilt driving device further includes two rotating seats 73, the rotating seats 73 are disposed on the second intermediate support 30, the bottom of the vertical telescopic assembly 71 is rotatably connected to the rotating seats 73 through a rotating shaft, and a rotating axis of the vertical telescopic assembly 71 is perpendicular to a direction of the vertical telescopic assembly 71 toward the rotating support 72. When vertical flexible subassembly 71 jack-up or shrink downwards, top platform 40 can produce an skew on the horizontal direction with the tie point of vertical flexible subassembly 71, this moment during the displacement the flexible end of vertical flexible subassembly 71 deviates from vertical flexible subassembly 71's flexible direction and can lead to vertical flexible subassembly 71's wearing and tearing, the card is dead, rotates the flexible direction that seat 73 can change vertical flexible subassembly 71 for the horizontal deviation that the motion of output cooperation top platform 40 produced to a certain extent, the dead phenomenon of wearing and tearing card of vertical flexible subassembly 71 has been avoided.
Compared with the prior art, the utility model discloses a multi freedom motion platform can simulate horizontal direction horizontal, vertical and horizontal direction's combined motion alone, can also simulate the inclined motion of vertical direction, possesses high degree of freedom to its compact structure has reduced the height of existing equipment, has reduced greatly to account for space area.
The multi-degree-of-freedom motion platform can be used on a multi-degree-of-freedom motion earthquake simulation platform, and the multi-degree-of-freedom motion earthquake simulation platform comprises: the scene display device and the multi-degree-of-freedom motion platform are arranged on the top platform 40. The utility model discloses a multi freedom motion earthquake simulation platform not only can simulate the transverse wave alone, also can simulate the sight when the ground produces the undulation slope in the earthquake, more true emergence of simulating earthquake disaster.
In some embodiments, the situational display device is located proximate to the location of the rotatable support 72, and the top platform 40 also has a user seat disposed thereon that faces the situational display device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multiple degree of freedom motion platform, comprising: the device comprises a base, a first middle bracket, a second middle bracket, a top platform, a transverse driving device, a longitudinal driving device and an inclination driving device;
the base, the first middle bracket, the second middle bracket and the top platform are sequentially arranged from bottom to top;
the transverse driving device comprises a transverse guiding assembly and a transverse power assembly, the transverse guiding assembly is arranged on the base and connected with the first middle bracket, and the transverse power assembly is arranged on the base and drives the first middle bracket to transversely move;
the longitudinal driving device comprises a longitudinal guiding assembly and a longitudinal power assembly, the longitudinal guiding assembly is arranged on the first middle support and connected with the second middle support, and the longitudinal power assembly is arranged on the base and drives the second middle support to move longitudinally;
the inclination driving device comprises two vertical telescopic assemblies and two rotary supports, the vertical telescopic assemblies are arranged on the second middle support, the telescopic ends of the vertical telescopic assemblies are connected with the bottom of the top platform in a rotating mode, the rotary supports are arranged on the second middle support, the vertical telescopic assemblies are connected with the bottom of the top platform in a rotating mode, and the rotary supports and the two vertical telescopic assemblies are not on the same straight line.
2. The multiple degree of freedom motion platform of claim 1, wherein: the distance between the two vertical telescopic assemblies and the rotary support is the same.
3. The multiple degree of freedom motion platform of claim 2, wherein: the distance between every two of the two vertical telescopic assemblies and the rotating support is the same.
4. The multiple degree of freedom motion platform of claim 1, wherein: the rotary support and the two vertical telescopic assemblies are hinged with the bottom of the top platform through universal ball joints.
5. The multiple degree of freedom motion platform of claim 1, wherein: when the telescopic ends of the two vertical telescopic assemblies are located in the middle of the telescopic stroke, the top surface of the top platform is parallel to the horizontal plane.
6. The multiple degree of freedom motion platform of claim 5, wherein: the top platform is provided with two upwards convex supporting parts, and the flexible end of vertical flexible subassembly with the bottom of supporting part is rotated and is connected.
7. A multiple degree of freedom motion platform according to any one of claims 1 to 6 in which: the vertical telescopic assembly is an electric cylinder, an air cylinder or an oil hydraulic cylinder.
8. The multiple degree of freedom motion platform of claim 7, wherein: the inclination driving device further comprises two rotating seats, the rotating seats are arranged on the second middle support, the vertical telescopic assemblies are rotatably connected with the rotating seats, and the rotating axes of the vertical telescopic assemblies are perpendicular to the direction of the vertical telescopic assemblies towards the rotating support.
9. The multiple degree of freedom motion platform of claim 1, wherein: the transverse power assembly and the longitudinal power assembly are both electric cylinders, air cylinders or oil hydraulic cylinders.
10. A multi-degree-of-freedom motion seismic simulation platform is characterized by comprising: a scene display device and a multiple degree of freedom motion platform as claimed in any one of claims 1 to 9, the scene display device being provided on the top platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857213.7U CN211827860U (en) | 2020-05-20 | 2020-05-20 | Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857213.7U CN211827860U (en) | 2020-05-20 | 2020-05-20 | Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211827860U true CN211827860U (en) | 2020-10-30 |
Family
ID=73021626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857213.7U Active CN211827860U (en) | 2020-05-20 | 2020-05-20 | Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211827860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629181A (en) * | 2022-10-09 | 2023-01-20 | 长江大学 | Loess landslide simulation device under combined action of multiple inducing factors |
| CN115830976A (en) * | 2022-12-27 | 2023-03-21 | 重庆大学 | Pagoda-shaped six-degree-of-freedom motion simulation platform and transmission method thereof |
-
2020
- 2020-05-20 CN CN202020857213.7U patent/CN211827860U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115629181A (en) * | 2022-10-09 | 2023-01-20 | 长江大学 | Loess landslide simulation device under combined action of multiple inducing factors |
| CN115629181B (en) * | 2022-10-09 | 2024-02-27 | 长江大学 | Loess landslide analogue means under many evoked factors combined action |
| CN115830976A (en) * | 2022-12-27 | 2023-03-21 | 重庆大学 | Pagoda-shaped six-degree-of-freedom motion simulation platform and transmission method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211827860U (en) | Multi-degree-of-freedom motion platform and multi-degree-of-freedom motion earthquake simulation platform | |
| US6077078A (en) | Motion simulator device with at least three degrees of freedom | |
| CN108010560A (en) | A kind of six-freedom degree pose adjusts turntable | |
| CN105937577A (en) | Multi-dimensional damping support of intelligent power distribution cabinet | |
| CN210466989U (en) | Simple earthquake simulation shaking table demonstration device | |
| KR102012694B1 (en) | Education Training and Simulation Apparatus for Experiencing Earthquake | |
| CN108051178B (en) | A kind of experimental rig | |
| CN208795740U (en) | A kind of mining formation dip is adjustable and multidirectional load analog simulation experiment shelf | |
| US4244437A (en) | Apparatus for generating waves in the ground | |
| KR200469149Y1 (en) | A motion chair | |
| CN111161584A (en) | VR experiences aftershock simulation platform | |
| CN112324852B (en) | Shock absorption and isolation platform | |
| CN113851023A (en) | Earthquake simulator | |
| RU2758096C1 (en) | Training simulator of an agricultural machine | |
| CN212369486U (en) | Balancing stand | |
| CN213424566U (en) | Zither training is with zither rack | |
| CN111595572A (en) | Free variable angle external loading hydraulic support test bed for top and bottom plates | |
| CN213361559U (en) | On-spot mapping device of building engineering cost | |
| CN217110834U (en) | Anti-riot armoured vehicle spare part virtual simulation scanning device based on AR technique | |
| JP2970449B2 (en) | Rocking vibration test equipment | |
| CN220752921U (en) | Experimental device for geological environment simulation | |
| CN203148643U (en) | Continuous model box used in multi-array shaking table test to realize controllable ground motion input | |
| CN208291368U (en) | A kind of underground exploration robot | |
| CN112229592A (en) | Novel multi freedom shaking table | |
| CN216352875U (en) | Teaching simulation test bed for electric automation major |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |