CN109100106A - A kind of electric linear shaking platform - Google Patents
A kind of electric linear shaking platform Download PDFInfo
- Publication number
- CN109100106A CN109100106A CN201811026727.1A CN201811026727A CN109100106A CN 109100106 A CN109100106 A CN 109100106A CN 201811026727 A CN201811026727 A CN 201811026727A CN 109100106 A CN109100106 A CN 109100106A
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- Prior art keywords
- shaking platform
- electric linear
- straight
- motor
- fixed
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 description 4
- 210000002683 foot Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a kind of electric linear shaking platforms.The electric linear shaking platform may include platform base, exciting device, clamping device and controller, platform base is by top base, bottom base, left pedestal and Right socle are constituted, exciting device includes left straight-line electric unit, right straight-line electric unit and exciting rod, left and right linear motor group is separately fixed on the pedestal of left and right, it is mutually hinged by the first flexible hinge between the mover of left and right straight-line electric unit, exciting rod, which is articulated with the first flexible hinge by the second flexible hinge and upwardly extends activity, passes through top base, clamping device includes being fixed on top base and the left and right guide post upwardly extended and the piece fixture being slidably sleeved in the guide post of left and right, controller is used to control the vibration frequency of exciting rod.The present invention realizes high thrust by the combination power output of multiple linear motors, and high-frequency vibration may be implemented.
Description
Technical field
The present invention relates to linear motor fields, and in particular to a kind of electric linear shaking platform.
Background technique
Electric linear vibration mechine product is suitable for automobile, electronic component, component, electronic product, instrument and meter etc.
Vibration test is carried out to sample on industry laboratory and production line.The shake table of high thrust is mostly hydraulic vibration gen in the industry, vibration
Dynamic frequency is low, and vibratory response is slow, can not effectively and comprehensively simulate actual vibration situation.
Summary of the invention
It is capable of providing high thrust the object of the present invention is to provide a kind of and the electronic straight of high-frequency vibration may be implemented
Linearly coupled platform is mainly used for testing.
To achieve the above object, the present invention provides a kind of electric linear shaking platform, the electric linear shaking platforms
May include platform base, exciting device, clamping device and controller, the platform base by top base, bottom base, left pedestal and
Right socle is constituted, and the exciting device includes left straight-line electric unit, right straight-line electric unit and exciting rod, the left straight-line electric unit
Be separately fixed on the left pedestal and the Right socle with the right linear motor group, the mover of the left straight-line electric unit and
Mutually hinged by the first flexible hinge between the mover of the right straight-line electric unit, the exciting rod passes through the second flexible hinge
It is articulated with first flexible hinge and upwardly extends activity and pass through the top base, the clamping device is described including being fixed on
It is described on top base and the left and right guide post upwardly extended and the piece fixture being slidably sleeved in the left and right guide post
Controller is used to control the vibration frequency of the exciting rod.
In one embodiment, the left straight-line electric unit and the right straight-line electric unit are by two linear motor module rigidity
It is connected in parallel to be formed.Specifically, two linear motor modules may include motor fixing seat, two guide rails, two stators and two movers, described
Motor fixing seat is fixed on the inside of left pedestal or Right socle, and two guide rails are separately fixed at the front and back sides of the motor fixing seat
On, each guide rail has two sliding blocks for guiding mover to slide along guide rail, and two stators are separately fixed at the motor fixing seat
Front and back sides on and two movers inside pass through a connecting plate be rigidly connected.
In this embodiment, first flexible hinge includes a shaft and biend ball bearing, biend ball bearing point
It is not mounted on left and right connecting plates, the both ends of the shaft is separately mounted on biend ball bearing, the second flexible hinge packet
Intermediate end face ball bearing and its bearing block are included, the intermediate end face ball bearing is mounted on the middle position of the shaft, exciting
Bearing block is fixed in the lower end of bar.
In this embodiment, two movers are also respectively fixed with a motor cover board, and the both ends of the connecting plate are separately fixed at
On the motor cover board of two movers.That is, two movers realize rigid connection by motor cover board and connecting plate.More specifically, electric
Cover plate and the substantially U structure of connecting plate formation one.
In this case, the motor cover board can be fixedly connected or be integrally formed by screw with the connecting plate.
Certainly, the motor cover board and the connecting plate can also be fixed together by welding.
Preferably, the motor cover board is equipped with multiple hollow holes, and this aspect can reduce motor cover board weight, another
Aspect can contribute to motor radiating.
In one embodiment, a guideway is installed, the exciting rod is arranged in the guiding axis in the top base
Set.Therefore, exciting rod can be with vertical up-or-down movement.
In one embodiment, the lower surface of the top base and the upper surface of the bottom base are additionally provided with limiting buffer pad.
Limiting buffer pad can play a protective role to the overshoot of motor.
In one embodiment, the electric linear shaking platform may also include position feedback device, the position feedback dress
It sets and is mounted on the pedestal of left and right and is electrically connected with the controller, for detecting the position of the mover.Therefore, controller can be passed through
Realize the closed-loop control to rotor position.
Preferably, the top base, the bottom base, the left pedestal and the Right socle can be fixed by screws in one
It rises to form the platform base.This is conducive to the installation of electric linear shaking platform.
In one embodiment, the electric linear shaking platform may also include left and right sides housing, and left and right sides housing is located at a left side
It is on the outside of Right socle and spaced away.It is mountable on left and right sides housing to have cable clamp and connecting terminal etc..
In one embodiment, also mountable on the bottom base to have four symmetrical adjustable foots pad.This can be protected
It is horizontal positioned to demonstrate,prove electric linear shaking platform.
The present invention by adopting the above technical scheme, has an advantageous effect in that,
1, two, left side linear motor module rigid connection, the linear motor module rigid connection of two, the right, the right and left
Motor pass through again the first flexible hinge connection, the vibration of high thrust, and flexible hinge are realized by above four motors
Connection can contribute to avoid both sides motor it is asynchronous and cause to move stuck problem；
2, exciting rod is connected on four motors by the second flexible hinge, and realizes catenary motion by guideway,
Therefore, the movement for not interfering with exciting rod such as asynchronous of motor；
3, the straight-line oscillation Platform Vibration frequency that linear motor mode is realized is high, and position is accurate；
4, piece fixture vertical can be gone up and down, and realize the clamping of different test specimens.
Detailed description of the invention
Fig. 1 is the perspective view of electric linear shaking platform according to an embodiment of the present invention；
Fig. 2 is the stereogram exploded view of electric linear shaking platform shown in FIG. 1；
Fig. 3 is the front view of electric linear shaking platform shown in FIG. 1；
Fig. 4 is the cross-sectional view along the electric linear shaking platform in the direction A-A of Fig. 3；
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments
To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details
One or more details the case where practice embodiment.Under other circumstances, well known device associated with this application, knot
Structure and technology may not be illustrated in detail or describe to avoid unnecessarily obscuring the description of embodiment.
Unless context has other needs, and in the whole instruction and claim, word " comprising " and its modification, such as
"comprising" and " having " should be understood meaning that is open, including, that is, should be interpreted that " including, but are not limited to ".
Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification
Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one
In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature
It can combine in any way in one or more embodiments.
The singular as used in the specification and appended " one " and " described " include plural object, are removed
It is clearly dictated otherwise in non-text.It should be noted that term "or" is usually used with the meaning that it includes "and/or", unless literary
In clearly dictate otherwise.
In the following description, structure and working method of the invention in order to clearly demonstrate, will be by many Directional words
It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower"
Language understands for convenience of term, and is not construed as word of limitation.
As shown in Figs 1-4, a kind of electric linear shaking platform 1 may include platform base 10, exciting device 20, clamping device
30 and controller (not shown) etc..Platform base 10 is by top base 110,140 structure of bottom base 120, left pedestal 130 and Right socle
At.Specifically, top base 110, bottom base 120, left pedestal 130 and Right socle 140 are fixedly connected into a rectangle frame by screw
Frame (platform base 10).Exciting device 20 and clamping device 30 of electric linear shaking platform 1 etc. are mounted on platform base 10.?
In illustrated embodiment, top base 110, bottom base 120, left pedestal 130 and Right socle 140 are with certain thickness rectangle steel
Plate.Exciting device 20 includes left straight-line electric unit 210, right straight-line electric unit 220 and exciting rod 230.Wherein, left straight-line electric unit
210 and right straight-line electric unit 220 be separately fixed on left and right pedestal 130 and 140, and between its mover pass through the first flexible hinge
Chain 240 is mutually hinged.Exciting rod 230 is articulated with the first flexible hinge 240 and upwardly extends activity by the second flexible hinge 250
Across top base 120.Therefore, exciting rod 230 can be realized greatly by left straight-line electric unit 210 and right straight-line electric unit 220
The vibration of thrust.Clamping device 30 includes being fixed on top base 110 and the left and right guide post 310 that upwardly extends and slideably
The piece fixture 320 being set in left and right guide post 310.Therefore, piece fixture 320 can be along the vertical liter of left and right guide post 310
Drop realizes the clamping to different test specimen (not shown).Preferably, the lower end of left and right guide post 310 is fixed by respective seat 311
On top base 110.The controller is used to control the vibration frequency of exciting rod 230.Specifically, the controller passes through control
The driving frequency of the coil of straight-line electric unit controls the vibration frequency of exciting rod 230.
As shown in Fig. 2, left straight-line electric unit 210 and right straight-line electric unit 220 are in parallel by two linear motor module rigidity
Connection is formed.Specifically, the two linear motor modules of the right and left can respectively include motor fixing seat 211, two guide rails 212 (only
Front is shown) and two movers 213 (only showing front), wherein for clarity, only the component of left side motor group 210 is made
Appended drawing reference；And it is illustrated by taking left side motor group 210 as an example below.Left motor fixing seat 211, which is fixed on, (such as passes through spiral shell
Nail) left pedestal 130 inside；Two left rails 212 are separately fixed on the front and back sides of a motor fixing seat 211, each left rail
212 have two left sliders 214 for guiding corresponding left mover 213 to slide along left rail 212；Two stators are also separately fixed at electricity
On the front and back sides of machine fixing seat 211；The inside of two left movers 213 is rigidly connected by a left connection board 215.Therefore, left and right two
The vibration of high thrust may be implemented in four motors on side.
In addition, in the shown embodiment, two movers 213 are also respectively fixed with a motor cover board 216, the two of connecting plate 215
End is separately fixed on the corresponding motor cover board 216 of two movers 213.That is, two movers 213 of front and back sides pass through motor cover board 216
It realizes and is rigidly connected with connecting plate 215.More specifically, two motor cover boards 216 and the substantially U structure of the formation of connecting plate 215 one.
In this case, motor cover board 216 can be fixedly connected with connecting plate 215 by screw.This is convenient for motor cover
The installation of plate 216 and connecting plate 215 is fixed.Certainly, motor cover board 216 and connecting plate 215 can also be integrally formed or pass through weldering
It connects and is fixed together.
Preferably, motor cover board 216 is equipped with multiple hollow holes 2161, and this aspect can reduce motor cover board weight,
On the other hand it can contribute to motor radiating.Hollow hole 2161 can be circular hole and/or rectangular opening etc..
Further, as in Figure 2-4, the first flexible hinge 240 include a shaft 241 and biend ball bearing 242, two
End face ball bearing 242 is separately mounted on left and right connecting plates 215, and 241 both ends of shaft are separately mounted to biend ball bearing 242
On.End face ball bearing 242 allows shaft 241 or so to twist.Therefore, the connection of the first flexible hinge can be to avoid left and right motor group
210, it 220 contributes asynchronous and causes to move stuck problem.Second flexible hinge 250 include intermediate end face ball bearing 251 and its
Bearing block 252, intermediate end face ball bearing 251 are mounted on the middle position of shaft 241, that is, biend ball bearing 242 is about in
Between end face ball bearing 251 it is symmetrical；(for example, being connected through a screw thread) bearing block 252 is fixed in the lower end of exciting rod 230.Cause
This, the movement for not interfering with exciting rod 230 such as asynchronous of left and right motor group 210,220.
As illustrated in fig. 1 and 2, a guideway 231 is installed, exciting rod 230 is arranged in guideway in top base 110
231.Therefore, exciting rod 230 can be with vertical up-or-down movement (that is, vertical vibration).
With further reference to Fig. 1 and 2, the lower surface of top base 110 and the upper surface of bottom base 120 are additionally provided with limiting buffer pad
40.Limiting buffer pad 40 can the overshoot of motor (mover) to left and right motor group 210,220 play a protective role.
In addition, electric linear shaking platform 1 may also include position feedback device (not shown), the position feedback device peace
It on the pedestal of left and right and is electrically connected with the controller, for detecting the position of the mover.Therefore, it can be realized by controller
Closed-loop control to motor (mover) position of left and right motor group 210,220.
In addition, as illustrated in fig. 1 and 2, electric linear shaking platform 1 may also include two side cover shells 50, two side cover shells 50 difference
It is on the outside of left and right pedestal 130,140 and spaced away.It is mountable on side cover shell 50 to have cable clamp and connecting terminal etc..
In addition, as shown in Fig. 2, also mountable on bottom base 120 have the adjustable foot pad 60 of symmetrical four.By right
The height of foot pad 60 is adjusted, it is ensured that electric linear shaking platform 1 is horizontal positioned.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that if desired, the side of embodiment can be modified
Face provides other embodiment to use the aspect, feature and design of various patents, application and publication.
In view of detailed descriptions above, these and other variation can be made to embodiment.In general, in claim
In, term used should not be construed as limited to specific embodiment disclosed in description and claims, but be understood that
Being includes whole equivalency ranges that all possible embodiment is enjoyed together with these claims.
Claims (10)
1. a kind of electric linear shaking platform, it is characterised in that: including platform base, exciting device, clamping device and controller,
The platform base is made of top base, bottom base, left pedestal and Right socle, the exciting device include left straight-line electric unit,
Right straight-line electric unit and exciting rod, the left straight-line electric unit and the right linear motor group be separately fixed at the left pedestal and
On the Right socle, pass through the first flexible hinge between the mover of the left straight-line electric unit and the mover of the right straight-line electric unit
Chain is mutually hinged, and the exciting rod is articulated with first flexible hinge and upwardly extends activity and passes through by the second flexible hinge
The top base, the clamping device include being fixed on the top base and the left and right guide post that upwardly extends and slideably
The piece fixture and the controller being set in the left and right guide post are used to control the vibration frequency of the exciting rod.
2. electric linear shaking platform as described in claim 1, it is characterised in that: the left straight-line electric unit and the right side are straight
Line motor group is rigidly connected in parallel to be formed by two linear motor modules.
3. electric linear shaking platform as claimed in claim 2, it is characterised in that: two linear motor modules include that motor is fixed
Seat, two guide rails, two stators and two movers, the motor fixing seat are fixed on the inside of left pedestal or Right socle, two guide rails difference
It being fixed on the front and back sides of the motor fixing seat, each guide rail has two sliding blocks for guiding mover to slide along guide rail, and two
Stator is separately fixed on the front and back sides of the motor fixing seat and the inside of two movers is rigidly connected by a connecting plate.
4. electric linear shaking platform as claimed in claim 3, it is characterised in that: first flexible hinge includes a shaft
With biend ball bearing, biend ball bearing is separately mounted on left and right connecting plates, and the both ends of the shaft is separately mounted to two ends
On the ball bearing of face, second flexible hinge includes intermediate end face ball bearing and its bearing block, the intermediate end face ball bearing peace
On the middle position of the shaft, bearing block is fixed in the lower end of exciting rod.
5. electric linear shaking platform as claimed in claim 3, it is characterised in that: two movers are also respectively fixed with a motor cover
Plate, the both ends of the connecting plate are separately fixed on the motor cover board of two movers.
6. electric linear shaking platform as claimed in claim 5, it is characterised in that: the motor cover board is equipped with multiple hollow outs
Hole.
7. electric linear shaking platform as described in claim 1, it is characterised in that: be equipped with a guiding axis in the top base
Set, the exciting rod are arranged in the guideway.
8. electric linear shaking platform as described in claim 1, it is characterised in that: the electric linear shaking platform further includes
Position feedback device, the position feedback device are mounted on the pedestal of left and right and are electrically connected with the controller, described dynamic for detecting
The position of son.
9. electric linear shaking platform as described in claim 1, it is characterised in that: the top base, the bottom base, described
Left pedestal and the Right socle are fixed by screws in together to form the platform base.
10. electric linear shaking platform as described in claim 1, it is characterised in that: the electric linear shaking platform also wraps
Left and right sides housing is included, left and right sides housing is located on the outside of the pedestal of left and right and spaced away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026727.1A CN109100106B (en) | 2018-09-04 | 2018-09-04 | Electric linear vibration platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026727.1A CN109100106B (en) | 2018-09-04 | 2018-09-04 | Electric linear vibration platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109100106A true CN109100106A (en) | 2018-12-28 |
| CN109100106B CN109100106B (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026727.1A Active CN109100106B (en) | 2018-09-04 | 2018-09-04 | Electric linear vibration platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100106B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655222A (en) * | 2019-02-02 | 2019-04-19 | 北京思齐致新科技有限公司 | Novel vibration table |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109100106B (en) | 2024-04-19 |
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