CN105300640B - For the long stroke moving-coil structure of electric vibration table - Google Patents
For the long stroke moving-coil structure of electric vibration table Download PDFInfo
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- CN105300640B CN105300640B CN201510874785.XA CN201510874785A CN105300640B CN 105300640 B CN105300640 B CN 105300640B CN 201510874785 A CN201510874785 A CN 201510874785A CN 105300640 B CN105300640 B CN 105300640B
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- bracing frame
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Abstract
The present invention relates to electric vibration testing bench technical fields, more particularly to disclosing a kind of long stroke moving-coil structure for electric vibration table, the structure for being used to fix driving coil in shake table is designed to the forms of upper and lower two supporting racks by the present invention, form dual-gripper frame structure, so as to upper, coiling driving coil between lower bracing frame, it is fixed again by connecting rod between two supporting racks and transmits exciting force, so that the transmission of the bonding strength and power after the lengthening of shake table driving coil is unaffected, ensure to be detached from skeleton due to adhesion strength deficiency between driving coil and moving-coil supporting rack, avoid the damage of moving-coil.The guiding form of moving-coil is improved simultaneously, in moving-coil supporting rack, setting guide rod realizes that the whole of moving-coil structure is oriented to respectively up and down, steering capability is more preferable, and lower guide rod is also provided with wire lead slot, cabling performance is had both, the current supply line of driving coil is reliably drawn, ensures the work of shake table monolithic stability safety.
Description
Technical field
The present invention relates to dynamic environmental test apparatus fields, and in particular to for the long stroke moving-coil knot of electric vibration table
Structure.
Background technology
At present, electric vibration table, which is done, vibrates or impact test, maximum displacement peak-to-peak value only have 100mm.When needs are done
When the big displacement vibration of more than 100mm or impact test, common electric vibration table just can not be met the requirements.And research and develop super large position
The shake table of shifting needs to increase the driving coil length of moving-coil, and to ensure moving-coil, its coil is working always during the motion
In air gap, that is, ensure that the effective turn of coil is constant.But if coil is too long, can not only influence the transmission of exciting force, lead to power
Attenuation, and the weight of coil itself also can accordingly increase, and so as to influence the adhesion strength between coil, lead to coil and bone
Frame is detached from and damages moving-coil.
In the prior art, it will usually using moving coil framework, then the coiling in the enterprising row drive wire circle of moving coil framework is extended, lead
The form being mostly oriented to the structure of part using middle straight line guide post.
As application No. is institutes in " 200820199581.6 ", entitled " electric impact platform moving-coil support oriented device "
It states, this invention is mainly made of preceding guiding support bar, rear guiding support bar and linear bearing (or idler wheel guiding mechanism), institute
By moving coil framework upper edge center axis, fixed stretch sets guiding support bar forward before stating, and the rear guiding support bar is by moving coil framework
Fixed stretch sets upper edge center axis backward；The linear bearing (or idler wheel guiding mechanism) is at least two groups front and rear, they are each
It is fixedly connected corresponding to preceding guiding support bar with rear guiding support bar with respect to stage body；The preceding guiding support bar and preceding linear bearing
(or idler wheel guiding mechanism) coordinates guide support, and rear guiding support bar is oriented to rear linear bearing (or idler wheel guiding mechanism) cooperation
Support, moving-coil support oriented device is formed with this.Although this invention solves the problems, such as that moving-coil is oriented to, but straight line during long stroke
The guiding of bearing-type is there is no limit the axial-rotation of moving-coil, and moving-coil can reverse during work；And the guiding of roller type is to pass through support
Bar plane is contacted with the line of idler wheel realizes what rolling was oriented to, and contact area is small, and lateral rigidity is not high.In addition during this device only has
Heart supporting rod is oriented to, and stability is poor.
Accordingly, it is desirable to provide a kind of solve the problems, such as this respect for the long stroke moving-coil structure of electric vibration table.
Invention content
Present invention aims at a kind of long stroke moving-coil structure for electric vibration table is provided, to overcome or at least mitigate
The drawbacks described above of the prior art realizes the long stroke work that electric vibration table is stablized.
To achieve the above object, the present invention provides a kind of long stroke moving-coil structure for electric vibration table, including：
Moving-coil supporting rack, driving coil are wound between moving-coil supporting rack；
Multiple upper guide rods, one end of each upper guide rod are connected with the top of the moving-coil supporting rack, the other end
It is connected with moving-coil upper table surface；
Multiple lower guide rods, one end of each lower guide rod are connected with the lower part of the moving-coil supporting rack, the other end
It is connected with moving-coil following table；
Wherein, the moving-coil supporting rack includes moving-coil upper support frame, moving-coil lower bracing frame and multiple connecting rods, described dynamic
Circle upper support frame is fixedly connected with one end of the upper guide rod, and the moving-coil lower bracing frame and one end of the lower guide rod are consolidated
Fixed connection, is fixedly connected between the moving-coil upper support frame and moving-coil lower bracing frame by the connecting rod.
For above-mentioned technical proposal, inventor also has further optimal enforcement scheme.
Preferably, the moving-coil upper support frame, moving-coil lower bracing frame and the multiple connecting rod are screwed.
Further, the long stroke moving-coil structure includes three connecting rods, and three connecting rods are in equilateral three
Angular distribution, and be screwed respectively with the moving-coil upper support frame, moving-coil lower bracing frame.
Preferably, the driving coil integrally turns to coil, and cementing in moving-coil upper support frame and moving-coil lower bracing frame
Between.
Further, it is used to improve the coil reinforcing plate of coiling adhesion strength in the interior external pasting of the driving coil.
Further, the long stroke moving-coil structure includes three upper guide rods, three lower guide rods, the upper guiding
Bar is fixedly connected with the moving-coil upper support frame, connecting rod, and described three upper guide rods are distributed in described in equilateral triangle
On moving-coil upper support frame, the lower guide rod is fixedly connected with the moving-coil lower bracing frame, connecting rod, is oriented under described three
Bar is distributed in equilateral triangle under the moving-coil lower bracing frame.
Preferably, the moving-coil upper table surface is integral into equilateral triangle, and is provided with circle in the middle part of the moving-coil upper table surface
Through-hole, the upper guide rod are respectively fixedly connected with the apex in the equilateral triangle moving-coil upper table surface.
Further, the moving-coil following table is integral into trident, and the angle of adjacent two edges is 120 degree, the lower guiding
Bar is respectively fixedly connected with the apex in the trident moving-coil following table.
Further, screw hole, the upper guide rod and the moving-coil upper support frame spiral shell are provided on the moving-coil upper support frame
Line connects, and screw hole is equally provided in the moving-coil lower bracing frame, and the lower guide rod connects with the moving-coil lower bracing frame screw thread
It connects.
Further, the through-hole that may pass through guide rod on described is provided on the moving-coil upper support frame, in the connection
The position that above-mentioned through-hole is corresponded on bar is provided with screw hole, and the upper guide rod passes through the company of being threadedly secured to after moving-coil upper support frame
In extension bar, so realize that the upper guide rod and the moving-coil upper support frame, connecting rod three are fixedly connected, on described three
Guide rod is distributed in equilateral triangle on the moving-coil upper support frame；Be provided in the moving-coil lower bracing frame may pass through it is described
The through-hole of lower guide rod, the position that above-mentioned through-hole is corresponded in the connecting rod are provided with screw hole, and the lower guide rod passes through moving-coil
It is threadedly secured in connecting rod after lower bracing frame, so realizes the lower guide rod and the moving-coil lower bracing frame, connect
Bar three's is fixedly connected, and three lower guide rods are distributed in equilateral triangle below the moving-coil lower bracing frame.
Preferably, two lower guide rods in the multiple lower guide rod are equipped with the wire lead slot for cabling, the drive
The inlet-outlet line of moving winding leads to the moving-coil following table by two lower guide rods respectively.
Relative to scheme of the prior art, it is an advantage of the invention that：
Long stroke moving-coil structure provided by the present invention for electric vibration table will drive line in shake table for fixed
The structure of circle is designed to the form of upper and lower two supporting racks, forms dual-gripper frame structure, so as to the coiling between upper and lower supporting rack
Driving coil is fixed between two supporting racks by connecting rod and transmits exciting force again, so that shake table driving coil lengthens
Bonding strength and the transmission of power afterwards is unaffected, and ensureing will not be because of adhesion strength deficiency between driving coil and moving-coil supporting rack
And be detached from skeleton, avoid the damage of moving-coil.
Meanwhile present invention improves over the guiding forms of moving-coil, in moving-coil supporting rack, the realization of setting guide rod is dynamic respectively up and down
The whole of coil structures is oriented to, and steering capability is more preferable, and lower guide rod is also provided with wire lead slot, has had both cabling performance, will drive
The current supply line of coil is reliably drawn, and ensures the work of shake table monolithic stability safety.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the structure diagram of long stroke moving-coil structure described in one embodiment of the invention；
Fig. 2 is the partial enlarged view described in Fig. 1 shown in long stroke moving-coil structure in circle；
A direction views of the Fig. 3 for long stroke moving-coil structure shown in Fig. 1, that is, the structure diagram of moving-coil upper table surface；
B direction views of the Fig. 4 for long stroke moving-coil structure shown in Fig. 1, that is, the structure diagram of moving-coil following table.
Reference numeral：
| 1 | Moving-coil upper table surface | 2 | Upper guide rod |
| 3 | Moving-coil upper support frame | 4 | Connecting rod |
| 5 | Driving coil | 6 | Moving-coil lower bracing frame |
| 7 | Lower guide rod | 8 | Wire lead slot |
| 9 | Circular through hole | 10 | Moving-coil following table |
| 11 | Coil reinforcing plate |
Specific embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
Part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention with reference to attached drawing.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of range.
According to the long stroke moving-coil structure for electric vibration table of a broad embodiment of the invention, as shown in Figure 1, it is wrapped
It includes：
Moving-coil supporting rack, driving coil 5 are wound between moving-coil supporting rack；
Multiple upper guide rods 2, one end of each upper guide rod 2 is connected with the top of the moving-coil supporting rack, another
End is connected with moving-coil upper table surface 1；
Multiple lower guide rods 7, one end of each lower guide rod 7 is connected with the lower part of the moving-coil supporting rack, another
End is connected with moving-coil following table 10；
Wherein, the moving-coil supporting rack includes moving-coil upper support frame 3, moving-coil lower bracing frame 6 and multiple connecting rods 4, institute
One end that moving-coil upper support frame 3 is stated with the upper guide rod 2 is fixedly connected, the moving-coil lower bracing frame 6 and the lower guide rod 7
One end be fixedly connected, be fixedly connected between the moving-coil upper support frame 3 and moving-coil lower bracing frame 6 by the connecting rod 4；Institute
It states 5 entirety of driving coil and turns to coil, and cementing between moving-coil upper support frame 3 and moving-coil lower bracing frame 6.
The structure for being used to fix driving coil 5 in shake table is designed to the forms of upper and lower two supporting racks by the present embodiment,
Dual-gripper frame structure, then the coiling driving coil 5 between upper moving-coil supporting rack and lower moving-coil supporting rack are formed, in this way in shake table
During work, exciting force is transmitted by connecting the connecting rod 4 of the two between two moving-coil supporting racks, so that shake table drives line
The transmission of bonding strength and power after 5 lengthening of circle is unaffected, and ensureing will not be because of bonding between driving coil 5 and moving-coil supporting rack
Intensity is insufficient and is detached from skeleton, can avoid the damage of moving-coil, and then ensure the stabilization of long stroke electric vibration table, the work of safety
Make.
In order to ensure the bonding strength between moving-coil supporting rack and connecting rod 4, and ensure integral rigidity, propped up on the moving-coil
Support 3, moving-coil lower bracing frame 6 and the multiple connecting rod 4 are screwed, and moving-coil supporting rack and connecting rod 4 are formed one in this way
A entirety, not only bonding strength is high in this way, and can utmostly ensure the reliable delivery of exciting force.
Multiple namely at least three connecting rods 4 are generally included in the moving-coil structure, to ensure moving-coil upper support frame 3
Being reliably connected between moving-coil lower bracing frame 6, and ensure the stability of moving-coil structure.The long stroke moves in the present embodiment
Coil structures include three connecting rods 4, and three connecting rods 4 are distributed in equilateral triangle, and with being propped up on the moving-coil
Support 3, moving-coil lower bracing frame 6 are screwed respectively.
In order to further improve the coiling intensity of driving coil 5, can be improved in the interior external pasting of the driving coil 5
The coil reinforcing plate 11 of coiling adhesion strength.
The described long stroke moving-coil structure of the present embodiment includes three upper guide rods, 2, three lower guide rods 7, in institute
It states and screw hole is provided on moving-coil upper support frame 3, the upper guide rod 2 is threadedly coupled with the moving-coil upper support frame 3, equally described
Screw hole is provided in moving-coil lower bracing frame 6, the lower guide rod 7 is threadedly coupled with the moving-coil lower bracing frame 6.
In order to preferably improve the stable connection degree of guide rod and supporting rack, following technical solution can be used, such as Fig. 2 institutes
Show, the through-hole that may pass through guide rod 2 on described is provided on the moving-coil upper support frame 3, corresponded in the connecting rod 4 above-mentioned
The position of through-hole is provided with screw hole, and the upper guide rod 2 is threadedly secured to after passing through moving-coil upper support frame 3 in connecting rod 4, such as
This realizes that described upper guide rod 2 and the moving-coil upper support frame 3,4 three of connecting rod are fixedly connected, and described three are gone up guide rods
2 are distributed in equilateral triangle on the moving-coil upper support frame 3；Be provided in the moving-coil lower bracing frame 6 may pass through it is described under
The through-hole of guide rod 7, the position that above-mentioned through-hole is corresponded in the connecting rod 4 are provided with screw hole, and the lower guide rod 7 passes through moving-coil
Be threadedly secured to after lower bracing frame 6 in connecting rod 4, so realize the lower guide rod 7 and the moving-coil lower bracing frame 6,
4 three's of connecting rod is fixedly connected, and three lower guide rods 7 are distributed in equilateral triangle under the moving-coil lower bracing frame 6
Side.
Two lower guide rods 7 in described three lower guide rods 7 use simultaneously as lead wire lever, are equipped with are used on it
The wire lead slot of cabling, the inlet-outlet line of the driving coil 5 lead to the moving-coil following table by described two lower guide rods 7 respectively
10。
Certainly, upper guide rod 2, lower guide rod 7 quantity can be adjusted, but should not usually be less than three, it is and best
It is equal with the quantity of connecting rod 4, it can further improve moving-coil structure connective stability and rigidity in this way.
It can be seen that the present embodiment improves the guiding form of moving-coil, in moving-coil supporting rack, the realization of setting guide rod is dynamic respectively up and down
The whole of coil structures is oriented to, and steering capability is more preferable, and lower guide rod 7 is also provided with wire lead slot, has had both cabling performance, will drive
The current supply line of coil 5 is reliably drawn, and ensures the work of shake table monolithic stability safety.
As shown in figure 3, the moving-coil upper table surface 1 is provided with integral into equilateral triangle, and at 1 middle part of moving-coil upper table surface
Circular through hole 9, the upper guide rod 2 are respectively fixedly connected with the apex in the equilateral triangle moving-coil upper table surface 1.On moving-coil
Table top 1 is used to install test specimen, is designed to triangle, and centre processes circular hole, can not only mitigate the weight of movable part, and
And it can ensure stable structure, uniform force.
As shown in figure 4, the moving-coil following table 10, integral into trident, the angle of adjacent two edges is 120 degree, under described
Guide rod 7 is respectively fixedly connected with the apex in the trident moving-coil following table 10.Moving-coil following table 10 is designed as trident,
Not only mitigate weight, but also ensure stable structure.
It is understood that the structure of moving-coil upper table surface 1, moving-coil following table 10 is not fixed, it is also designed to justify
Shape, rectangular etc., as long as ensureing that equipment can work normally.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe is with reference to the foregoing embodiments described in detail the present invention, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is equally replaced
It changes；And these modifications or replacement, the essence for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
God and range.
Claims (9)
1. a kind of long stroke moving-coil structure for electric vibration table, including：
Moving-coil supporting rack, driving coil are wound between moving-coil supporting rack, are used to improve in the interior external pasting of the driving coil
The coil reinforcing plate of coiling adhesion strength；
Multiple upper guide rods, one end of each upper guide rod are connected with the top of the moving-coil supporting rack, and the other end is with moving
Circle upper table surface is connected；
Multiple lower guide rods, one end of each lower guide rod are connected with the lower part of the moving-coil supporting rack, and the other end is with moving
Circle following table is connected；
Wherein, the moving-coil supporting rack includes moving-coil upper support frame, moving-coil lower bracing frame and multiple connecting rods, on the moving-coil
Supporting rack is fixedly connected with one end of the upper guide rod, and one end of the moving-coil lower bracing frame and the lower guide rod, which is fixed, to be connected
It connects, is fixedly connected between the moving-coil upper support frame and moving-coil lower bracing frame by the connecting rod.
2. the long stroke moving-coil structure according to claim 1 for electric vibration table, which is characterized in that on the moving-coil
Supporting rack, moving-coil lower bracing frame and the multiple connecting rod are screwed.
3. the long stroke moving-coil structure according to claim 2 for electric vibration table, which is characterized in that the long stroke
Moving-coil structure includes three connecting rods, and three connecting rods are distributed in equilateral triangle, and with being propped up on the moving-coil
Support, moving-coil lower bracing frame are screwed respectively.
4. the long stroke moving-coil structure for electric vibration table according to claims 1 to 3 any one, feature exist
Include three upper guide rods, three lower guide rods in, the long stroke moving-coil structure, the upper guide rod on the moving-coil
Supporting rack, connecting rod are fixedly connected with, and described three upper guide rods are distributed in equilateral triangle on the moving-coil upper support frame,
The lower guide rod is fixedly connected with the moving-coil lower bracing frame, connecting rod, and three lower guide rods are in equilateral triangle
It is distributed under the moving-coil lower bracing frame.
5. the long stroke moving-coil structure according to claim 4 for electric vibration table, which is characterized in that on the moving-coil
Table top is provided with circular through hole integral into equilateral triangle in the middle part of the moving-coil upper table surface, and the upper guide rod is fixed respectively
It is connected to the apex of the equilateral triangle moving-coil upper table surface.
6. the long stroke moving-coil structure according to claim 4 for electric vibration table, which is characterized in that under the moving-coil
Table top is integral into trident, and the angle of adjacent two edges is 120 degree, and the lower guide rod is respectively fixedly connected in the trident
The apex of moving-coil following table.
7. the long stroke moving-coil structure according to claim 4 for electric vibration table, which is characterized in that in the moving-coil
Screw hole is provided on upper support frame, the upper guide rod is threadedly coupled with the moving-coil upper support frame, is equally propped up under the moving-coil
Screw hole is provided on support, the lower guide rod is threadedly coupled with the moving-coil lower bracing frame.
8. the long stroke moving-coil structure according to claim 4 for electric vibration table, which is characterized in that in the moving-coil
The through-hole that may pass through the upper guide rod is provided on upper support frame, the position that above-mentioned through-hole is corresponded in the connecting rod is provided with spiral shell
Hole, the upper guide rod are threadedly secured to after passing through moving-coil upper support frame in connecting rod, so realize the upper guide rod
It is fixedly connected with the moving-coil upper support frame, connecting rod three, described three upper guide rods are distributed in institute in equilateral triangle
It states on moving-coil upper support frame；The through-hole that may pass through the lower guide rod is provided in the moving-coil lower bracing frame, in the connection
The position that above-mentioned through-hole is corresponded on bar is provided with screw hole, and the lower guide rod passes through the company of being threadedly secured to after moving-coil lower bracing frame
In extension bar, so realize that the lower guide rod and the moving-coil lower bracing frame, connecting rod three are fixedly connected, under described three
Guide rod is distributed in equilateral triangle below the moving-coil lower bracing frame.
9. the long stroke moving-coil structure according to claim 1 for electric vibration table, which is characterized in that under the multiple
Two lower guide rods in guide rod are equipped with the wire lead slot for cabling, and the inlet-outlet line of the driving coil is respectively by described
Two lower guide rods lead to the moving-coil following table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874785.XA CN105300640B (en) | 2015-12-03 | 2015-12-03 | For the long stroke moving-coil structure of electric vibration table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510874785.XA CN105300640B (en) | 2015-12-03 | 2015-12-03 | For the long stroke moving-coil structure of electric vibration table |
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| CN105300640B true CN105300640B (en) | 2018-06-26 |
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| CN112098028B (en) * | 2020-09-14 | 2022-03-01 | 浙江埃特斯力试验设备有限公司 | Stroke-variable precision moving coil for vibrating table |
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| CN2821786Y (en) * | 2005-09-21 | 2006-09-27 | 苏州东菱振动试验仪器有限公司 | Super long storke electric vibration table |
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| CN201594144U (en) * | 2010-01-28 | 2010-09-29 | 中国石油天然气集团公司 | Lower moving coil type electromagnetic controllable seismic source vibrator |
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| CN200993674Y (en) * | 2006-11-17 | 2007-12-19 | 苏州东菱振动试验仪器有限公司 | Electric earth quake vibration source generating device |
| JP4263229B1 (en) * | 2007-11-13 | 2009-05-13 | Ｉｍｖ株式会社 | Operating condition determining device and program |
| CN201331425Y (en) * | 2008-12-08 | 2009-10-21 | 苏州试验仪器总厂 | Moving coil support and guide device of electric impact platform |
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| CN105300640A (en) | 2016-02-03 |
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