CN208060117U - Three Degree Of Freedom vibration test platform - Google Patents
Three Degree Of Freedom vibration test platform Download PDFInfo
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- CN208060117U CN208060117U CN201820706362.6U CN201820706362U CN208060117U CN 208060117 U CN208060117 U CN 208060117U CN 201820706362 U CN201820706362 U CN 201820706362U CN 208060117 U CN208060117 U CN 208060117U
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- middle platform
- degree
- vibration test
- connecting seat
- bottom base
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Abstract
Three Degree Of Freedom vibration test platform, it is related to vibration test platform technical field.It includes lower bottom base, column agency, middle platform, welding support, supporting rod, upper mounting plate, electric cylinder house, ball angle, ball angle covers, joint, pedestal orientation connecting seat, middle platform orientation connecting seat, lower bottom base upper surface center location is provided with column agency, column agency upper end is provided with middle platform, middle platform upper surface front and back and right side are both provided with welding support, it is provided with supporting rod on the left of middle platform upper surface, welding support upper end, post upper is fixedly connected with upper mounting plate lower surface, lower bottom base upper right and rear are both provided with electric cylinder house.After adopting the above technical scheme, the utility model has the beneficial effect that：Simple in structure, use value is high, big, the good dynamic characteristic with rigidity, and with many advantages, such as compact-sized, analysis is simple, of low cost, analog simulation movement is at low cost, and the period is short, has the foreground of being widely applied.
Description
Technical field
The utility model is related to vibration test platform technical fields, and in particular to Three Degree Of Freedom vibration test platform.
Background technology
With Chinese national economy sustained and rapid development, since this century, China initially enters all-round construction well-to-do level society
The new stage of meeting creates the huge motive force that harmonious living environment is today's society.Parallel robot is a kind of completely new machine
Device people.The advantages that strong with bearing capacity, error is small, and dead weight duty ratio is small, and kinetic energy performance is good, three in all parallel institutions
Degree of freedom and six degree of freedom respectively account for 40%, and four-degree-of-freedom accounts for 6%, and five degree of freedom accounts for 3.5%, and two-freedom accounts for 10.5%, it is seen that three certainly
It is more commonly used by degree parallel institution, it carries out analyzing more one kind.
Three-degree-of-freedom motion platform is mainly road analogy as motion simulator, for vehicle difference road conditions condition into
Response of the vehicle for vibrations under the simulation of gun turret oscillating motion during row, and different road conditions.In addition amusement can be done
Simulation table generates the dynamic effect being combined with image, audio system by motion simulator, makes one sense on the spot in person
Feel.
In recent years, attract wide attention, and be used for operator, reliability consideration simulation experiment device：Aviation,
The numerous areas such as space flight, navigation, automobile, medical treatment, metallurgy and civilian amusement all have wide practical use.It is in actual tests
Various semi-physical simulation experiments can be carried out to determine optimum control scheme using emulation platform in laboratory.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, Three Degree Of Freedom vibration test platform is provided,
Simple in structure, use value is high, compared to traditional six-degree-of-freedom parallel connection mechanism with rigidity is big, precision is high, good dynamic
Characteristic, but with many advantages, such as compact-sized, analysis is simple, of low cost, analog simulation movement is at low cost, and the period is short, fits
A large amount of investigative tests are done in conjunction, have the foreground of being widely applied.
To achieve the above object, the utility model is using following technical scheme：It include lower bottom base 1, column agency 2,
Middle platform 3, welding support 4, supporting rod 5, upper mounting plate 6, electric cylinder house 7, ball angle 8, ball angle set 9, joint 10, pedestal orientation
Connecting seat 11, middle platform orientation connecting seat 12,1 upper surface center location of the lower bottom base are provided with column agency 2, column agency
2 upper ends are provided with middle platform 3, and 3 upper surface front and back of middle platform and right side are both provided with welding support 4,3 upper surface of middle platform
Left side is provided with supporting rod 5, and 4 upper end of welding support, 5 upper end of supporting rod are fixedly connected with 6 lower surface of upper mounting plate, lower bottom base 1
Upper right and rear are both provided with electric cylinder house 7, and electric cylinder house 7 drives end by ball angle 8, ball angle set 9, closes
10 setting of section is being gone to the bottom in 6 lower surface of upper mounting plate, 7 fixing end of electric cylinder house by ball angle 8, ball angle set 9, the setting of joint 10
1 upper surface of seat, 1 upper surface of lower bottom base left side are provided with pedestal orientation connecting seat 11, the 11 right surface in upper end of pedestal orientation connecting seat
It is provided with electric cylinder house 7, it is internal that electric cylinder house 7 drives end to be arranged on the left of 12 lower end of middle platform orientation connecting seat,
Connecting seat 12 upper end in middle platform orientation is arranged in 3 lower surface of middle platform.
3 following table face ring even circumferential of the middle platform is provided with several reinforcing ribs 31.
The shape of the welding support 4 is " V " shape.
The middle platform 3 is fixedly connected with welding support 4 by link block 41.
The shape of the middle platform orientation connecting seat 12 is arcuation.
The column agency 2 includes central post 21, central post washer 22, upper central post 23, and the setting of central post 21 is being gone to the bottom
1 upper surface center location of seat, 21 upper end of central post are provided with central post washer 22, and central post 21 is internally provided with central post
23, and 23 upper end of upper central post is arranged in 3 lower surface center location of middle platform.
The electric cylinder house 7 includes cylinder seat 71, electric cylinder 72, and electric cylinder 72 is provided in cylinder seat 71.
The ball angle covers 9 upper ends and is provided with knuckle washer 101.
After adopting the above technical scheme, the utility model has the beneficial effect that：Simple in structure, use value is high, compared to biography
The six-degree-of-freedom parallel connection mechanism of system has that rigidity is big, precision is high, good dynamic characteristic, but with compact-sized, analysis is simple,
Many advantages, such as of low cost, analog simulation movement is at low cost, and the period is short, is suitble to do a large amount of investigative tests, has extensive
Application prospect.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is another angled arrangement schematic diagram of corresponding diagram 1.
Fig. 3 is the structural schematic diagram of middle platform 3 in the utility model.
Reference sign：It is lower bottom base 1, column agency 2, middle platform 3, welding support 4, supporting rod 5, upper mounting plate 6, electronic
Cylinder chamber mechanism 7, ball angle 8, ball angle set 9, joint 10, pedestal orientation connecting seat 11, middle platform orientation connecting seat 12, central post 21,
Central post washer 22, upper central post 23, reinforcing rib 31, link block 41, cylinder seat 71, electric cylinder 72, knuckle washer 101.
Specific implementation mode
Shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that：It includes lower bottom base 1, column agency
2, middle platform 3, welding support 4, supporting rod 5, upper mounting plate 6, electric cylinder house 7, ball angle 8, ball angle set 9, joint 10, pedestal side
Position connecting seat 11, middle platform orientation connecting seat 12,1 upper surface center location of the lower bottom base are provided with column agency 2, pole press
2 upper end of structure is provided with middle platform 3, and 3 upper surface front and back of middle platform and right side are both provided with welding support 4,3 upper table of middle platform
Left side of face is provided with supporting rod 5, and 4 upper end of welding support, 5 upper end of supporting rod are fixedly connected with 6 lower surface of upper mounting plate, lower bottom base
1 upper right and rear are both provided with electric cylinder house 7, electric cylinder house 7 drive end by ball angle 8, ball angle set 9,
The setting of joint 10 is arranged by ball angle 8, ball angle set 9, joint 10 under in 6 lower surface of upper mounting plate, 7 fixing end of electric cylinder house
1 upper surface of pedestal, 1 upper surface of lower bottom base left side are provided with pedestal orientation connecting seat 11, the 11 right table in upper end of pedestal orientation connecting seat
Face is provided with electric cylinder house 7, and it is interior that electric cylinder house 7 drives end to be arranged on the left of 12 lower end of middle platform orientation connecting seat
Portion, 12 upper end of middle platform orientation connecting seat are arranged in 3 lower surface of middle platform.
3 following table face ring even circumferential of the middle platform is provided with several reinforcing ribs 31.
The shape of the welding support 4 is " V " shape.
The middle platform 3 is fixedly connected with welding support 4 by link block 41.
The shape of the middle platform orientation connecting seat 12 is arcuation.
The column agency 2 includes central post 21, central post washer 22, upper central post 23, and the setting of central post 21 is being gone to the bottom
1 upper surface center location of seat, 21 upper end of central post are provided with central post washer 22, and central post 21 is internally provided with central post
23, and 23 upper end of upper central post is arranged in 3 lower surface center location of middle platform.
The electric cylinder house 7 includes cylinder seat 71, electric cylinder 72, and electric cylinder 72 is provided in cylinder seat 71.
The ball angle covers 9 upper ends and is provided with knuckle washer 101.The setting of knuckle washer 101 can play bumper and absorbing shock
Effect.
Shaft torque is estimated according to the weight of motion parts in upper mounting plate 6 and rotation and the design of motion platform carrying, into
And suitable motor and drive module are had selected, select AC servo motor, AC servo motor to carry photoelectric encoder,
Exportable nominal torque in the entire range of speeds, control mode is identical with step motor control, the rigidity of motor driven systems
Can on-line tuning, make motor that there is best response characteristic, stepper motor card can three electric cylinders 72 of independent control simultaneously, per axis
With independent positive and negative limit signal input to realize hardware limit, logic control circuit is realizing electric-control system each section
The control of execution sequence, and have warning function concurrently.
Three Degree Of Freedom vibration test platform requires electric cylinder 72 simultaneously to speed and displacement into line trace, and it is accurate theoretically only to need
Control be sent to motor driver step-by-step impulse frequency, but missed in practical applications due to depositing accumulation computationally
Difference, the delay of executing agency and the limitation of stepping motor control card, can not track simultaneously, therefore, in this system with position with
Based on track, there are two control closed loops to constitute for electric-control system, control software according to desired 6 run duration course of platform, heave,
The movement of 6 three tie points of platform is resolved into pitching, rolling motion, is calculated from current location and is transferred to subsequent time specific bit
Needed motor and rotating speed are set, and step motion control card is refreshed.
The utility model ensure that the gapless that movement transmits, without rubbing, exempt from lubrication, high precision and high stability, and
And the accuracy of the rotation of upper mounting plate 6 is improved, not only enable upper mounting plate 6 to provide X, Y, Z-direction rotation simultaneously, but also make
Platform 6 and lower bottom base 1, using piezoelectric ceramic actuator as piezoelectric actuator, ensure that driving source all on same level
High-precision degree type movement output and fast response speed, the positioning accuracy with nano level resolution ratio and submicron order.
The operation principle of the utility model：The power resources of electric cylinder house 7, electric cylinder 72 have altogether there are three, two
The rotation adjustment being responsible on vertical direction, is bound up on upper mounting plate 6, the rotation in a responsible horizontal direction, is put down in being bound up on
On platform 3, the displacement of the lines of three tie points is resolved into the heave of Three Degree Of Freedom vibration test platform, pitching, rolling motion, by three electricity
72 motion control of dynamic cylinder is mutual indepedent, therefore can simulate heave, pitching, the arbitrary combination of rolling motion, and column agency 2 is whole
The core of a structure, it is connected to lower bottom base 1 and middle platform 3, is that the main support of total and main rotation are built, it
It is fixed on lower bottom base 1, middle platform 3 can be rotated horizontally by it, it is the trunk of entire component, be the main support of stress
Point, upper mounting plate 6 are located at Three Degree Of Freedom vibration test platform the top, main to play support load, can above connect test body, foreign object, its
His structure etc. is connected with welding support 4 and electric cylinder 72 below, and the function and effect of electric cylinder 72 are expressed, middle platform 3
Among Three Degree Of Freedom vibration test platform, connection and supporting role are played, support carries welding support 4, lower section and central post above
21 are connected, and the function and effect of central post 21 are given expression to, and the connection at ball angle 8, ball angle set 9, joint 10 may be implemented in space
The movement of greater angle and different direction.
After adopting the above technical scheme, the utility model has the beneficial effect that：Simple in structure, use value is high, compared to biography
The six-degree-of-freedom parallel connection mechanism of system has that rigidity is big, precision is high, good dynamic characteristic, but with compact-sized, analysis is simple,
Many advantages, such as of low cost, analog simulation movement is at low cost, and the period is short, is suitble to do a large amount of investigative tests, has extensive
Application prospect.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (8)
1. Three Degree Of Freedom vibration test platform, it is characterised in that：It includes lower bottom base (1), column agency (2), middle platform (3), weldering
Connect holder (4), supporting rod (5), upper mounting plate (6), electric cylinder house (7), ball angle (8), ball angle set (9), joint (10), pedestal
Orientation connecting seat (11), middle platform orientation connecting seat (12), lower bottom base (1) upper surface center location are provided with column agency
(2), column agency (2) upper end is provided with middle platform (3), and middle platform (3) upper surface front and back and right side are both provided with welding
Holder (4), is provided with supporting rod (5) on the left of middle platform (3) upper surface, welding support (4) upper end, supporting rod (5) upper end with
Upper mounting plate (6) lower surface is fixedly connected, and lower bottom base (1) upper right and rear are both provided with electric cylinder house (7), electronic
Cylinder chamber mechanism (7) drives end to be arranged in upper mounting plate (6) lower surface, electronic cylinder chamber by ball angle (8), ball angle set (9), joint (10)
Mechanism (7) fixing end is arranged by ball angle (8), ball angle set (9), joint (10) on lower bottom base (1) upper surface, lower bottom base (1)
It is provided with pedestal orientation connecting seat (11) on the left of surface, pedestal orientation connecting seat (11) right surface in upper end is provided with electronic cylinder chamber machine
Structure (7), electric cylinder house (7) drive end setting internal on the left of middle platform orientation connecting seat (12) lower end, middle platform orientation
Connecting seat (12) upper end is arranged in middle platform (3) lower surface.
2. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：Middle platform (3) the following table face ring
Even circumferential is provided with several reinforcing ribs (31).
3. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：The shape of the welding support (4)
For " V " shape.
4. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：The middle platform (3) and welding branch
Frame (4) is fixedly connected by link block (41).
5. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：The middle platform orientation connecting seat
(12) shape is arcuation.
6. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：During the column agency (2) includes
Column (21), central post washer (22), upper central post (23), central post (21) are arranged in lower bottom base (1) upper surface center location,
Central post (21) upper end is provided with central post washer (22), and central post (21) is internally provided with central post (23), and upper neutrality
Column (23) upper end is arranged in middle platform (3) lower surface center location.
7. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：Electric cylinder house (7) packet
Containing cylinder seat (71), electric cylinder (72), electric cylinder (72) is provided in cylinder seat (71).
8. Three Degree Of Freedom vibration test platform according to claim 1, it is characterised in that：The ball angle set (9) upper end setting
There is knuckle washer (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820706362.6U CN208060117U (en) | 2018-05-13 | 2018-05-13 | Three Degree Of Freedom vibration test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820706362.6U CN208060117U (en) | 2018-05-13 | 2018-05-13 | Three Degree Of Freedom vibration test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208060117U true CN208060117U (en) | 2018-11-06 |
Family
ID=63982197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820706362.6U Expired - Fee Related CN208060117U (en) | 2018-05-13 | 2018-05-13 | Three Degree Of Freedom vibration test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208060117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110324A (en) * | 2020-07-29 | 2020-12-22 | 杭州艺会智能科技有限公司 | Six-degree-of-freedom motion platform |
-
2018
- 2018-05-13 CN CN201820706362.6U patent/CN208060117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110324A (en) * | 2020-07-29 | 2020-12-22 | 杭州艺会智能科技有限公司 | Six-degree-of-freedom motion platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20190513 |