CN105822879A - Motion platform having three freedoms of rotation - Google Patents
Motion platform having three freedoms of rotation Download PDFInfo
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- CN105822879A CN105822879A CN201510006765.0A CN201510006765A CN105822879A CN 105822879 A CN105822879 A CN 105822879A CN 201510006765 A CN201510006765 A CN 201510006765A CN 105822879 A CN105822879 A CN 105822879A
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- turbine
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- worm screw
- electric machine
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Abstract
The present invention relates to the technical field of rotation mechanisms, and discloses a motion platform having three freedoms of rotation. The motion platform comprises a first-layer pedestal, a second-layer pedestal, a third-layer pedestal and a working platform which are disposed form bottom to top; the first-layer pedestal and the second-layer pedestal are connected via a first turbo-worm system; the second-layer pedestal and the third-layer pedestal are connected via a second turbo-worm system; the third-layer pedestal and the working platform are connected via a third turbo-worm system; the first turbo-worm system is used for achieving X axis rotation; the second turbo-worm system is used for achieving Y axis rotation; and the third-layer pedestal is used for achieving Z axis rotation. According to the motion platform having three freedoms of rotation which is driven by the turbo-worm systems, by utilization of the advantages that single-stage drive radio of turbo-worm drive is large, structure is compact, the drive is stable without noise, and the turbo-worm drive has a self-locking function, space utilization rate is largely increased, mechanism mass is lightened, and driving device burden can be reduced.
Description
Technical field
The present invention relates to rotating mechanism technical field, particularly to the motion platform of a kind of three rotary freedoms.
Background technology
Three-degree-of-freedom motion platform is owing to driving joint is few, cost performance advantages of higher, being widely used in the simulation experiment device of various operator, reliability consideration, it has good application prospect in fields such as Aeronautics and Astronautics, navigation, automobile, medical treatment, metallurgical and civilian amusements.
At present, Three-degree-of-freedom motion platform type of drive mainly has pneumatic, hydraulic pressure, motor driving etc. several.Wherein, pneumatic means load is smaller, and the control system of hydraulic means is complex；The kind of drive of existing Three-degree-of-freedom motion platform is mainly gear drive, belt wheel transmission etc.；But, the major defect of gear or belt wheel transmission is that speed reducing ratio is little, needs extra lockable mechanism.
Summary of the invention
It is contemplated that overcome the defect of existing three freedom rotary sport platform, solving structure complicated, take up room many, the problem such as quality is big, it is provided that the motion platform of a kind of three rotary freedoms.
For achieving the above object, the present invention is by the following technical solutions:
The present invention provides the motion platform of a kind of three rotary freedoms, including: the one layer of base arranged from bottom to top, two layers of base, Tipple Bottom seat, work platforms, between described one layer of base and two layers of base, between two layers of base and Tipple Bottom seat, respectively by the first turbine and worm system between Tipple Bottom seat and work platforms, second turbine and worm system, 3rd turbine and worm system connects, described first turbine and worm system, second turbine and worm system, 3rd turbine and worm system drives assembly to control by three respectively, described three drive assembly to be separately positioned on one layer of base, two layers of base, on Tipple Bottom seat；Described first turbine and worm system is used for realizing X-axis and rotates, and described second turbine and worm system is used for realizing Y-axis and rotates, and the 3rd turbine and worm system is used for realizing Z axis and rotates.
In some embodiments, described first turbine and worm system includes that the first turbine wheel shaft, the first turbine, the first worm screw, described first turbine wheel shaft are connected with described one layer of base rotation；Described first turbine wheel shaft and the first turbine and two layers of base are fixed and are connected, and described first worm screw is connected with the first turbine engagement, the first worm screw described in described driving Component driver；Described first turbine is vertically arranged.
In some embodiments, described second turbine and worm system includes that the second turbine wheel shaft, the second turbine, the second worm screw, described second turbine wheel shaft are connected with described two layers of base rotation；Described second turbine wheel shaft and the second turbine and Tipple Bottom seat are fixed and are connected, and described second worm screw is connected with the second turbine engagement, the second worm screw described in described driving Component driver；Described second turbine is vertically arranged and vertical with described first turbine.
In some embodiments, described 3rd turbine and worm system includes crossed roller bearing, the 3rd turbine, the 3rd worm screw, fix with described work platforms above described 3rd turbine and be connected, fixing with the outer ring of described crossed roller bearing below described 3rd turbine and be connected, the inner ring of described crossed roller bearing is fixing with Tipple Bottom seat to be connected；Described 3rd worm screw is connected with the 3rd turbine engagement, the 3rd worm screw described in described driving Component driver；Described 3rd turbine is horizontally disposed.
In some embodiments, the assembly that drives driving described first turbine and worm system includes the first electric machine support and the driving motor being fixed on described first electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described first worm screw, and the other end of described first worm screw is rotationally connected with clutch shaft bearing seat support；Described clutch shaft bearing seat support, the first electric machine support are fixed on described one layer of base.
In some embodiments, the assembly that drives driving described second turbine and worm system includes the second electric machine support and the driving motor being fixed on described second electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described second worm screw, and the other end and second bearing bracket of described second worm screw are rotationally connected；Described second bearing bracket, the second electric machine support are fixed on described two layers of base.
In some embodiments, the assembly that drives driving described 3rd turbine and worm system includes the 3rd electric machine support and the driving motor being fixed on described 3rd electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described 3rd worm screw, and the other end and the 3rd bearing bracket of described 3rd worm screw are rotationally connected；Described 3rd bearing bracket, the 3rd electric machine support are fixed on described Tipple Bottom seat.
The beneficial effects of the present invention is: the three freedom rotary sport platform of turbine and worm drive system, this motion platform utilizes that turbine and worm transmission single staged transmission ratio is big, compact conformation, stable drive, noiselessness, there is the advantages such as auto-lock function, it is greatly improved space availability ratio, reduce mechanism's quality, thus reduce the purpose of driving means burden.
Accompanying drawing explanation
Fig. 1 schematically shows the overall structure figure of the motion platform of three rotary freedoms according to a first embodiment of the present invention.
Fig. 2 schematically shows the structure chart driving assembly according to a second embodiment of the present invention.
Fig. 3 schematically shows the structure front view that one layer of base according to a third embodiment of the present invention drives.
Fig. 4 schematically shows the structure top view that one layer of base according to a third embodiment of the present invention drives.
Fig. 5 schematically shows the structure chart that Tipple Bottom seat according to a fourth embodiment of the present invention drives.
Fig. 6 schematically shows the connection diagram of work platforms according to a fourth embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, and is not construed as limiting the invention.
The present invention provides the motion platform of a kind of three rotary freedoms, including: the one layer of base arranged from bottom to top, two layers of base, Tipple Bottom seat, work platforms, between described one layer of base and two layers of base, between two layers of base and Tipple Bottom seat, respectively by the first turbine and worm system between Tipple Bottom seat and work platforms, second turbine and worm system, 3rd turbine and worm system connects, described first turbine and worm system, second turbine and worm system, 3rd turbine and worm system drives assembly to control by three respectively, described three drive assembly to be separately positioned on one layer of base, two layers of base, on Tipple Bottom seat；Described first turbine and worm system is used for realizing X-axis and rotates, and described second turbine and worm system is used for realizing Y-axis and rotates, and the 3rd turbine and worm system is used for realizing Z axis and rotates.
The three freedom rotary sport platform of turbine and worm drive system of the present invention, this motion platform utilizes that turbine and worm transmission single staged transmission ratio is big, compact conformation, stable drive, noiselessness, there is the advantages such as auto-lock function, it is greatly improved space availability ratio, reduce mechanism's quality, thus reduce the purpose of driving means burden.
Described first turbine and worm system includes that the first turbine wheel shaft, the first turbine, the first worm screw, described first turbine wheel shaft are connected with described one layer of base rotation；Described first turbine wheel shaft and the first turbine and two layers of base are fixed and are connected, and described first worm screw is connected with the first turbine engagement, the first worm screw described in described driving Component driver；Described first turbine is vertically arranged.
Described second turbine and worm system includes that the second turbine wheel shaft, the second turbine, the second worm screw, described second turbine wheel shaft are connected with described two layers of base rotation；Described second turbine wheel shaft and the second turbine and Tipple Bottom seat are fixed and are connected, and described second worm screw is connected with the second turbine engagement, the second worm screw described in described driving Component driver；Described second turbine is vertically arranged and vertical with described first turbine.
Described 3rd turbine and worm system includes crossed roller bearing, the 3rd turbine, the 3rd worm screw, fix with described work platforms above described 3rd turbine and be connected, fixing with the outer ring of described crossed roller bearing below described 3rd turbine and be connected, the inner ring of described crossed roller bearing is fixing with Tipple Bottom seat to be connected；Crossed roller bearing inner ring is fixedly connected on Tipple Bottom seat central authorities；Described 3rd worm screw is connected with the 3rd turbine engagement, the 3rd worm screw described in described driving Component driver；Described 3rd turbine is horizontally disposed.
The assembly that drives driving described first turbine and worm system includes the first electric machine support and the driving motor being fixed on described first electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described first worm screw, and the other end of described first worm screw is rotationally connected with clutch shaft bearing seat support；Described clutch shaft bearing seat support, the first electric machine support are fixed on described one layer of base.
The assembly that drives driving described second turbine and worm system includes the second electric machine support and the driving motor being fixed on described second electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described second worm screw, and the other end and second bearing bracket of described second worm screw are rotationally connected；Described second bearing bracket, the second electric machine support are fixed on described two layers of base.
The assembly that drives driving described 3rd turbine and worm system includes the 3rd electric machine support and the driving motor being fixed on described 3rd electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described 3rd worm screw, and the other end and the 3rd bearing bracket of described 3rd worm screw are rotationally connected；Described 3rd bearing bracket, the 3rd electric machine support are fixed on described Tipple Bottom seat.
Using turbine and worm system, worm screw to be connected by shaft coupling with driving motor output shaft, this kind of drive speed reducing ratio is big, it is possible to reverse self-locking, it is ensured that drive modular construction compact, flexibly；Meanwhile, driving assembly to constitute standalone module, every layer of base uses identical turbine and worm drive mechanism, and the degree of modularity is high, it is simple to safeguarding and install, interchangeability is good.
Embodiment 1
As shown in Figure 1, the motion platform of the present invention three rotary freedom, specifically include, one layer of base 1, driving assembly 2, turbine wheel shaft 3, two layers of base 4, turbine 5, Tipple Bottom seat 6, work platforms 7, crossed roller bearing 12, wherein, drive assembly 2 to include, drive motor 8, motor rack 9, worm screw 10, bearing block 11, can realize the rotary motion around tri-axles of X, Y, Z.
4, two layers of base 4 of one layer of base 1 and two layers of base are connected by turbine wheel shaft 3 with Tipple Bottom seat 6, and wherein, turbine wheel shaft 3 is formed with lower base and is rotationally connected, and forms a fixed connection with turbine 5 and upper strata base thereof；3 groups drive assembly 2 to be separately fixed on three bases (1,4,6).
Embodiment 2
As in figure 2 it is shown, the motion platform of the present invention three rotary freedom, specifically, driving assembly 2 to include: to drive motor 8 to be connected with electric machine support 9, motor output shaft is connected by shaft coupling is fixing with worm screw 10, and worm screw 10 is rotationally connected with bearing bracket 11.
Embodiment 3
As shown in Figures 3 and 4, the motion platform of the present invention three rotary freedom, specifically, on one layer of base 1, drive assembly 2 installation site it is ensured that turbine 5 accurately engages with worm screw 10；Turbine wheel shaft 3 is rotationally connected with one layer of base 1, fixes be connected with two layers of base 4 and turbine 5；On two layers of base 4, each part is installed and is arranged identical with one layer of base 1.
Embodiment 4
As it can be seen in figures 5 and 6, the motion platform of the present invention three rotary freedom, specifically, on Tipple Bottom seat 6, turbine 5 uses horizontally disposed, fixes with crossed roller bearing 12 outer ring and be connected below turbine 5, and crossed roller bearing 12 inner ring is fixing with Tipple Bottom seat 6 to be connected；The installation driving assembly 2 ensures that turbine, worm screw accurately engage；Turbine 5 is fixing with work platforms 7 to be connected.
The motion platform of the present invention three rotary freedom, realize around X, Y, Z tri-rotary motion of axle by the way of Layered driver, one layer of base, two layers of base, Tipple Bottom seat are respectively arranged driving assembly, drive the worm screw in assembly to be connected by turbine with upper strata base or work platforms, and drive assembly and place layer base to fix and be connected.By differently configured driving motor and turbine and worm structure, change workbench size, the adjustment of motion platform power can be realized.
The detailed description of the invention of present invention described above, is not intended that limiting the scope of the present invention.Any according to other changes accordingly various done by the technology design of the present invention and deformation, should be included in the protection domain of the claims in the present invention.
Claims (7)
1. the motion platform of a rotary freedom, it is characterized in that, including: the one layer of base arranged from bottom to top, two layers of base, Tipple Bottom seat, work platforms, between described one layer of base and two layers of base, between two layers of base and Tipple Bottom seat, respectively by the first turbine and worm system between Tipple Bottom seat and work platforms, second turbine and worm system, 3rd turbine and worm system connects, described first turbine and worm system, second turbine and worm system, 3rd turbine and worm system drives assembly to control by three respectively, described three drive assembly to be separately positioned on one layer of base, two layers of base, on Tipple Bottom seat；Described first turbine and worm system is used for realizing X-axis and rotates, and described second turbine and worm system is used for realizing Y-axis and rotates, and the 3rd turbine and worm system is used for realizing Z axis and rotates.
The motion platform of three rotary freedoms the most as claimed in claim 1, it is characterised in that described first turbine and worm system includes that the first turbine wheel shaft, the first turbine, the first worm screw, described first turbine wheel shaft are connected with described one layer of base rotation；Described first turbine wheel shaft and the first turbine and two layers of base are fixed and are connected, and described first worm screw is connected with the first turbine engagement, the first worm screw described in described driving Component driver；Described first turbine is vertically arranged.
The motion platform of three rotary freedoms the most as claimed in claim 2, it is characterised in that described second turbine and worm system includes that the second turbine wheel shaft, the second turbine, the second worm screw, described second turbine wheel shaft are connected with described two layers of base rotation；Described second turbine wheel shaft and the second turbine and Tipple Bottom seat are fixed and are connected, and described second worm screw is connected with the second turbine engagement, the second worm screw described in described driving Component driver；Described second turbine is vertically arranged and vertical with described first turbine.
The motion platform of three rotary freedoms the most as claimed in claim 1, it is characterized in that, described 3rd turbine and worm system includes crossed roller bearing, the 3rd turbine, the 3rd worm screw, fix with described work platforms above described 3rd turbine and be connected, fixing with the outer ring of described crossed roller bearing below described 3rd turbine and be connected, the inner ring of described crossed roller bearing is fixing with Tipple Bottom seat to be connected；Described 3rd worm screw is connected with the 3rd turbine engagement, the 3rd worm screw described in described driving Component driver；Described 3rd turbine is horizontally disposed.
The motion platform of three rotary freedoms the most as claimed in claim 2, it is characterized in that, the assembly that drives driving described first turbine and worm system includes the first electric machine support and the driving motor being fixed on described first electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described first worm screw, and the other end of described first worm screw is rotationally connected with clutch shaft bearing seat support；Described clutch shaft bearing seat support, the first electric machine support are fixed on described one layer of base.
The motion platform of three rotary freedoms the most as claimed in claim 3, it is characterized in that, the assembly that drives driving described second turbine and worm system includes the second electric machine support and the driving motor being fixed on described second electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described second worm screw, and the other end and second bearing bracket of described second worm screw are rotationally connected；Described second bearing bracket, the second electric machine support are fixed on described two layers of base.
The motion platform of three rotary freedoms the most as claimed in claim 4, it is characterized in that, the assembly that drives driving described 3rd turbine and worm system includes the 3rd electric machine support and the driving motor being fixed on described 3rd electric machine support, the motor output shaft of described driving motor is connected by shaft coupling is fixing with one end of described 3rd worm screw, and the other end and the 3rd bearing bracket of described 3rd worm screw are rotationally connected；Described 3rd bearing bracket, the 3rd electric machine support are fixed on described Tipple Bottom seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006765.0A CN105822879A (en) | 2015-01-06 | 2015-01-06 | Motion platform having three freedoms of rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510006765.0A CN105822879A (en) | 2015-01-06 | 2015-01-06 | Motion platform having three freedoms of rotation |
Publications (1)
| Publication Number | Publication Date |
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| CN105822879A true CN105822879A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510006765.0A Pending CN105822879A (en) | 2015-01-06 | 2015-01-06 | Motion platform having three freedoms of rotation |
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| CN (1) | CN105822879A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106774447A (en) * | 2016-12-14 | 2017-05-31 | 西安可视可觉网络科技有限公司 | Achievable rotation based on support load-bearing and the motion platform for freely waving |
| CN109015562A (en) * | 2018-09-29 | 2018-12-18 | 贵州精工利鹏科技有限公司 | Complete three-dimensional automatic rotation fitter's bench |
| CN109488856A (en) * | 2018-12-29 | 2019-03-19 | 重庆迪马工业有限责任公司 | A kind of three axis cradle head mechanisms |
| CN110005987A (en) * | 2019-05-05 | 2019-07-12 | 江苏施诺照明有限公司 | Rotary lifting-type LED projector lamp |
| CN110125018A (en) * | 2019-05-06 | 2019-08-16 | 山东泓瑞光电科技有限公司 | A kind of LED wafer automatic fraction collector Y-axis table assembly |
| CN111609263A (en) * | 2020-05-25 | 2020-09-01 | 国网河北省电力有限公司邢台供电分公司 | Multi-band power line communication interference device |
| CN112539320A (en) * | 2021-02-05 | 2021-03-23 | 深圳市荣者光电科技发展有限公司 | Diamagnetic three-dimensional gear holder |
| CN113048355A (en) * | 2021-05-24 | 2021-06-29 | 中宏航天(北京)技术有限公司 | Multi-angle rotating device for base station |
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| CN113048355A (en) * | 2021-05-24 | 2021-06-29 | 中宏航天(北京)技术有限公司 | Multi-angle rotating device for base station |
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Application publication date: 20160803 |