CN205333278U - A long stroke movable coil structure for electric vibration table - Google Patents
A long stroke movable coil structure for electric vibration table Download PDFInfo
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- CN205333278U CN205333278U CN201520988571.0U CN201520988571U CN205333278U CN 205333278 U CN205333278 U CN 205333278U CN 201520988571 U CN201520988571 U CN 201520988571U CN 205333278 U CN205333278 U CN 205333278U
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Abstract
The utility model relates to an electronic vibration test platform technical field, concretely relates to disclose a long stroke movable coil structure for electric vibration table, the utility model discloses the form of two support frames constitutes two supporting frame structure about becoming the structural design who is used for fixed drive coil in the shaking table to coiling drive coil between upper and lower support frame, the rethread connecting rod is fixed and is transmitted the exciting force between two support frames, thus the transmission of joint strength after making the shaking table drive coil extend and power is not influenced, guarantees can not break away from with the skeleton because of the adhesion strength is not enough between drive coil and the movable coil support frame, avoids the damage of movable coil. Having improved the direction form of movable coil simultaneously, having set up the whole direction that the movable coil structure was realized to the guide bar from top to bottom respectively at the movable coil support frame, the guidance quality ability is better, and the guide bar has still set up the lead wire groove down, has had to walk linear ability, with reliable the drawing forth of power supply wire of drive coil, guarantees the work of shaking table monolithic stability safety.
Description
Technical field
This utility model relates to dynamic environmental test apparatus field, is particularly used for the long stroke moving-coil structure of electric vibration table。
Background technology
At present, electric vibration table does and vibrates or impact test, and its maximum displacement peak-to-peak value only has 100mm。When needing to do the big displacement vibration of more than 100mm or impact test, common electric vibration table just cannot meet requirement。And research and develop the vibration table of super large displacement, it is necessary to increase the driving loop length of moving-coil, to ensure that moving-coil its coil in motor process, all the time in working gas gap, namely ensures that the effective turn of coil is constant。If but coil is oversize, not only can affect the transmission of exciting force, cause the decay of power, and the weight of coil self also can increase accordingly, thus the adhesion strength affected between coil, cause that coil departs from skeleton and damages moving-coil。
In prior art, it will usually adopt and extend moving coil framework, then the coiling at the enterprising row cutting coil of moving coil framework, structure many employings middle straight line guide pillar of targeting part carries out the form led。
It is called described in " electric impact platform moving-coil support oriented device " as application number for " 200820199581.6 ", name, this utility model is mainly made up of front guiding support bar, rear guiding support bar and linear bearing (or roller guiding mechanism), described front guiding support bar is set along its center axis fixing stretching forward by moving coil framework, and described rear guiding support bar is set along its center axis fixing stretching backward by moving coil framework；Described linear bearing (or roller guiding mechanism) is at least two groups, front and back, and they respectively connect corresponding to front guiding support bar stage body relative to rear guiding support bar is fixing；Described front guiding support bar coordinates guide support with front linear bearing (or roller guiding mechanism), and rear guiding support bar coordinates guide support with rear linear bearing (or roller guiding mechanism), is constituted moving-coil support oriented device with this。Although this utility model solves the problem of moving-coil guiding during long stroke, but the guiding of linear bearing type does not limit the axial-rotation of moving-coil, and during work, moving-coil can reverse；And the guiding of roller type is to realize rolling guiding by the linear contact lay of support bar plane with roller, contact area is little, and lateral rigidity is not high。Additionally this device only has centre post to lead, poor stability。
Accordingly, it is desirable to provide a kind of problem solving this respect for the long stroke moving-coil structure of electric vibration table。
Utility model content
This utility model purpose is in that to provide a kind of long stroke moving-coil structure for electric vibration table, to overcome or at least to alleviate the drawbacks described above of prior art, it is achieved the long stroke work that electric vibration table is stable。
For achieving the above object, this utility model provides a kind of long stroke moving-coil structure for electric vibration table, including:
Moving-coil bracing frame, drives coil winding between moving-coil bracing frame；
Multiple upper guide posts, one end of each described upper guide post is connected with the top of described moving-coil bracing frame, and the other end is connected with moving-coil upper table surface；
Multiple lower guide posts, one end of each described lower guide post is connected with the bottom of described moving-coil bracing frame, and the other end is connected with moving-coil following table；
Wherein, described moving-coil bracing frame includes moving-coil upper support frame, moving-coil lower support frame and multiple connecting rod, described moving-coil upper support frame is fixing with one end of described upper guide post to be connected, described moving-coil lower support frame is fixing with one end of described lower guide post to be connected, and is connected by described connecting rod is fixing between described moving-coil upper support frame with moving-coil lower support frame。
For technique scheme, invention also has further optimal enforcement scheme。
Preferably, described moving-coil upper support frame, moving-coil lower support frame are screwed with the plurality of connecting rod。
Further, described long stroke moving-coil structure includes three described connecting rods, and described three connecting rods are equilateral triangle distribution, and are screwed respectively with described moving-coil upper support frame, moving-coil lower support frame。
Preferably, described driving coil entirety turns to coil, and cementing between moving-coil upper support frame and moving-coil lower support frame。
Further, plate is strengthened at the interior external pasting of described driving coil for the coil improving coiling adhesion strength。
Further, described long stroke moving-coil structure includes three upper guide post, three lower guide posts, described upper guide post and described moving-coil upper support frame, connecting rod are fixedly connected with, described three upper guide posts are that equilateral triangle is distributed on described moving-coil upper support frame, described lower guide post and described moving-coil lower support frame, connecting rod are fixedly connected with, and described three lower guide posts are that equilateral triangle is distributed under described moving-coil lower support frame。
Preferably, described moving-coil upper table surface entirety becomes equilateral triangle, and has manhole in the middle part of described moving-coil upper table surface, and described upper guide post is respectively fixedly connected with the apex at described equilateral triangle moving-coil upper table surface。
Further, described moving-coil following table entirety becomes trident, and the angle of adjacent two edges is 120 degree, and described lower guide post is respectively fixedly connected with the apex at described trident moving-coil following table。
Further, having screw on described moving-coil upper support frame, described upper guide post is threadeded with described moving-coil upper support frame, has screw equally on described moving-coil lower support frame, and described lower guide post is threadeded with described moving-coil lower support frame。
Further, described moving-coil upper support frame has may pass through described on the through hole of guide post, in described connecting rod, the position of corresponding above-mentioned through hole has screw, described upper guide post is threadedly secured in connecting rod after moving-coil upper support frame, so realizing described upper guide post to be connected with described moving-coil upper support frame, the fixing of connecting rod three, described three upper guide posts are that equilateral triangle is distributed on described moving-coil upper support frame；Described moving-coil lower support frame has the through hole that may pass through described lower guide post, in described connecting rod, the position of corresponding above-mentioned through hole has screw, described lower guide post is threadedly secured in connecting rod after moving-coil lower support frame, so realizing described lower guide post to be connected with described moving-coil lower support frame, the fixing of connecting rod three, described three lower guide posts are that equilateral triangle is distributed in below described moving-coil lower support frame。
Preferably, two lower guide posts in the plurality of lower guide post are provided with the wire lead slot for cabling, and the line of described driving coil causes described moving-coil following table respectively through described two lower guide posts。
Relative to scheme of the prior art, the utility model has the advantages that:
Long stroke moving-coil structure for electric vibration table provided by the utility model, the structure being used for fixed drive coil in vibration table is designed to the form of upper and lower two bracing frames, constitute dual-gripper shelf structure, thus coiling drives coil between upper and lower bracing frame, fix again through connecting rod between two bracing frames and transmit exciting force, so that vibration table drive coil to lengthen after bonding strength and the transmission of power unaffected, ensure to drive and will not depart from skeleton because adhesion strength is not enough between coil and moving-coil bracing frame, it is to avoid the damage of moving-coil。
Simultaneously, this utility model improves the guiding form of moving-coil, it is respectively provided with guide post up and down at moving-coil bracing frame and realizes the overall guiding of moving-coil structure, steering capability is better, and lower guide post is also provided with wire lead slot, have both cabling performance, the current supply line driving coil has been drawn reliably, it is ensured that the work of vibration table monolithic stability safety。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further described:
Fig. 1 is the structural representation of long stroke moving-coil structure described in one embodiment of this utility model；
Fig. 2 is the partial enlarged drawing in circle shown in long stroke moving-coil structure described in Fig. 1；
Fig. 3 is the A direction view of long stroke moving-coil structure shown in Fig. 1, the namely structural representation of moving-coil upper table surface；
Fig. 4 is the B direction view of long stroke moving-coil structure shown in Fig. 1, the namely structural representation of moving-coil following table。
Accompanying drawing labelling:
| 1 | Moving-coil upper table surface | 2 | Upper guide post |
| 3 | Moving-coil upper support frame | 4 | Connecting rod |
| 5 | Drive coil | 6 | Moving-coil lower support frame |
| 7 | Lower guide post | 8 | Wire lead slot |
| 9 | Manhole | 10 | Moving-coil following table |
| 11 | Plate strengthened by coil |
Detailed description of the invention
For the purpose making this utility model implement, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail。In the accompanying drawings, same or similar label represents same or similar element or has the element of same or like function from start to finish。Described embodiment is a part of embodiment of this utility model, rather than whole embodiments。The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail。
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain。
The long stroke moving-coil structure for electric vibration table according to this utility model one broad embodiment, as it is shown in figure 1, comprising:
Moving-coil bracing frame, drives coil 5 to be wound between moving-coil bracing frame；
Multiple upper guide posts 2, each one end of described upper guide post 2 is connected with the top of described moving-coil bracing frame, and the other end is connected with moving-coil upper table surface 1；
Multiple lower guide posts 7, each one end of described lower guide post 7 is connected with the bottom of described moving-coil bracing frame, and the other end is connected with moving-coil following table 10；
Wherein, described moving-coil bracing frame includes moving-coil upper support frame 3, moving-coil lower support frame 6 and multiple connecting rod 4, described moving-coil upper support frame 3 is fixing with one end of described upper guide post 2 to be connected, described moving-coil lower support frame 6 is fixing with one end of described lower guide post 7 to be connected, and is connected by described connecting rod 4 is fixing between described moving-coil upper support frame 3 with moving-coil lower support frame 6；Described driving coil 5 entirety turns to coil, and cementing between moving-coil upper support frame 3 and moving-coil lower support frame 6。
The structure being used for fixed drive coil 5 in vibration table is designed to the form of upper and lower two bracing frames by the present embodiment, constitute dual-gripper shelf structure, between upper moving-coil bracing frame and lower moving-coil bracing frame, coiling drives coil 5 again, so when vibration table works, the connecting rod 4 passing through to connect both between two moving-coil bracing frames transmits exciting force, so that vibration table drive coil 5 to lengthen after bonding strength and the transmission of power unaffected, ensure to drive and will not depart from skeleton because adhesion strength is not enough between coil 5 and moving-coil bracing frame, the damage of moving-coil can be avoided, and then ensure stablizing of long stroke electric vibration table, the work of safety。
In order to ensure the bonding strength between moving-coil bracing frame and connecting rod 4, and guarantee integral rigidity, described moving-coil upper support frame 3, moving-coil lower support frame 6 are screwed with the plurality of connecting rod 4, so moving-coil bracing frame and connecting rod 4 are constituted an entirety, so not only bonding strength is high, and can at utmost ensure the reliable delivery of exciting force。
Described moving-coil structure generally includes multiple namely at least three connecting rod 4, to ensure being reliably connected between moving-coil upper support frame 3 and moving-coil lower support frame 6, and ensures the stability of moving-coil structure。Described long stroke moving-coil structure includes three described connecting rods 4, the distribution in equilateral triangle of described three connecting rods 4 in the present embodiment, and is screwed respectively with described moving-coil upper support frame 3, moving-coil lower support frame 6。
In order to improve further drive coil 5 around line strength, plate 11 can be strengthened at the interior external pasting of described driving coil 5 for the coil improving coiling adhesion strength。
Long stroke moving-coil structure described by the present embodiment includes three upper 2, three lower guide posts 7 of guide post, described moving-coil upper support frame 3 has screw, described upper guide post 2 is threadeded with described moving-coil upper support frame 3, having screw on described moving-coil lower support frame 6 equally, described lower guide post 7 is threadeded with described moving-coil lower support frame 6。
In order to improve the stable connection degree of guide post and bracing frame better, can adopt the following technical scheme that, as shown in Figure 2, described moving-coil upper support frame 3 has may pass through described on the through hole of guide post 2, in described connecting rod 4, the position of corresponding above-mentioned through hole has screw, described upper guide post 2 is threadedly secured in connecting rod 4 after moving-coil upper support frame 3, so realizing described upper guide post 2 to be connected with described moving-coil upper support frame 3, the fixing of connecting rod 4 three, described three upper guide posts 2 are distributed on described moving-coil upper support frame 3 in equilateral triangle；Described moving-coil lower support frame 6 has the through hole that may pass through described lower guide post 7, in described connecting rod 4, the position of corresponding above-mentioned through hole has screw, described lower guide post 7 is threadedly secured in connecting rod 4 after moving-coil lower support frame 6, so realizing described lower guide post 7 to be connected with described moving-coil lower support frame 6, the fixing of connecting rod 4 three, described three lower guide posts 7 are distributed in below described moving-coil lower support frame 6 in equilateral triangle。
Two lower guide posts 7 in described three lower guide posts 7 use simultaneously as lead wire lever, are provided with the wire lead slot for cabling thereon, and the line of described driving coil 5 causes described moving-coil following table 10 respectively through described two lower guide posts 7。
Certainly, upper guide post 2, lower guide post 7 quantity can be adjusted, but generally do not answer less than three of that, and preferably equal with the quantity of connecting rod 4, so can further improve moving-coil structure connective stability and rigidity。
Visible the present embodiment improves the guiding form of moving-coil, it is respectively provided with guide post up and down at moving-coil bracing frame and realizes the overall guiding of moving-coil structure, steering capability is better, and lower guide post 7 is also provided with wire lead slot, have both cabling performance, the current supply line driving coil 5 is drawn reliably, it is ensured that the work of vibration table monolithic stability safety。
As it is shown on figure 3, described moving-coil upper table surface 1 overall one-tenth equilateral triangle, and in the middle part of described moving-coil upper table surface 1, having manhole 9, described upper guide post 2 is respectively fixedly connected with the apex at described equilateral triangle moving-coil upper table surface 1。Moving-coil upper table surface 1 is used for installing test specimen, is designed to triangle, middle processing circular hole, is possible not only to alleviate the weight of movable part, and ensure that Stability Analysis of Structures, uniform force。
As shown in Figure 4, described moving-coil following table 10 overall one-tenth trident, the angle of adjacent two edges is 120 degree, and described lower guide post 7 is respectively fixedly connected with the apex at described trident moving-coil following table 10。Moving-coil following table 10 is designed as trident, has both alleviated weight, ensures again Stability Analysis of Structures。
It is understood that the structure of moving-coil upper table surface 1, moving-coil following table 10 is not fixing, it is also possible to be designed to circle, square etc., as long as ensureing that equipment can normal operation。
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit。Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model。
Claims (10)
1. for a long stroke moving-coil structure for electric vibration table, including:
Moving-coil bracing frame, drives coil winding between moving-coil bracing frame；
Multiple upper guide posts, one end of each described upper guide post is connected with the top of described moving-coil bracing frame, and the other end is connected with moving-coil upper table surface；
Multiple lower guide posts, one end of each described lower guide post is connected with the bottom of described moving-coil bracing frame, and the other end is connected with moving-coil following table；
Wherein, described moving-coil bracing frame includes moving-coil upper support frame, moving-coil lower support frame and multiple connecting rod, described moving-coil upper support frame is fixing with one end of described upper guide post to be connected, described moving-coil lower support frame is fixing with one end of described lower guide post to be connected, and is connected by described connecting rod is fixing between described moving-coil upper support frame with moving-coil lower support frame。
2. the long stroke moving-coil structure for electric vibration table according to claim 1, it is characterised in that described moving-coil upper support frame, moving-coil lower support frame and the plurality of connecting rod are screwed。
3. the long stroke moving-coil structure for electric vibration table according to claim 2, it is characterized in that, described long stroke moving-coil structure includes three described connecting rods, and described three connecting rods are equilateral triangle distribution, and are screwed respectively with described moving-coil upper support frame, moving-coil lower support frame。
4. the long stroke moving-coil structure for electric vibration table according to claim 1, it is characterised in that described driving coil entirety turns to coil, and cementing between moving-coil upper support frame and moving-coil lower support frame。
5. the long stroke moving-coil structure for electric vibration table according to claim 4, it is characterised in that the interior external pasting at described driving coil strengthens plate for the coil improving coiling adhesion strength。
6. the long stroke moving-coil structure for electric vibration table according to claim 1 to 5 any one, it is characterized in that, described long stroke moving-coil structure includes three upper guide post, three lower guide posts, described upper guide post and described moving-coil upper support frame, connecting rod are fixedly connected with, described three upper guide posts are that equilateral triangle is distributed on described moving-coil upper support frame, described lower guide post and described moving-coil lower support frame, connecting rod are fixedly connected with, and described three lower guide posts are that equilateral triangle is distributed under described moving-coil lower support frame。
7. the long stroke moving-coil structure for electric vibration table according to claim 6, it is characterized in that, described moving-coil upper table surface entirety becomes equilateral triangle, and in the middle part of described moving-coil upper table surface, having manhole, described upper guide post is respectively fixedly connected with the apex at described equilateral triangle moving-coil upper table surface。
8. the long stroke moving-coil structure for electric vibration table according to claim 6, it is characterized in that, described moving-coil following table entirety becomes trident, and the angle of adjacent two edges is 120 degree, and described lower guide post is respectively fixedly connected with the apex at described trident moving-coil following table。
9. the long stroke moving-coil structure for electric vibration table according to claim 6, it is characterized in that, described moving-coil upper support frame has screw, described upper guide post is threadeded with described moving-coil upper support frame, having screw on described moving-coil lower support frame equally, described lower guide post is threadeded with described moving-coil lower support frame；
Described moving-coil upper support frame has may pass through described on the through hole of guide post, in described connecting rod, the position of corresponding above-mentioned through hole has screw, described upper guide post is threadedly secured in connecting rod after moving-coil upper support frame, so realizing described upper guide post to be connected with described moving-coil upper support frame, the fixing of connecting rod three, described three upper guide posts are that equilateral triangle is distributed on described moving-coil upper support frame；Described moving-coil lower support frame has the through hole that may pass through described lower guide post, in described connecting rod, the position of corresponding above-mentioned through hole has screw, described lower guide post is threadedly secured in connecting rod after moving-coil lower support frame, so realizing described lower guide post to be connected with described moving-coil lower support frame, the fixing of connecting rod three, described three lower guide posts are that equilateral triangle is distributed in below described moving-coil lower support frame。
10. the long stroke moving-coil structure for electric vibration table according to claim 1, it is characterized in that, two lower guide posts in the plurality of lower guide post are provided with the wire lead slot for cabling, and the line of described driving coil causes described moving-coil following table respectively through described two lower guide posts。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520988571.0U CN205333278U (en) | 2015-12-03 | 2015-12-03 | A long stroke movable coil structure for electric vibration table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520988571.0U CN205333278U (en) | 2015-12-03 | 2015-12-03 | A long stroke movable coil structure for electric vibration table |
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| CN205333278U true CN205333278U (en) | 2016-06-22 |
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| CN201520988571.0U Active CN205333278U (en) | 2015-12-03 | 2015-12-03 | A long stroke movable coil structure for electric vibration table |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300640A (en) * | 2015-12-03 | 2016-02-03 | 苏州东菱振动试验仪器有限公司 | Long-stroke drive coil structure for electrodynamic vibration generator |
| CN107449579A (en) * | 2017-08-03 | 2017-12-08 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
-
2015
- 2015-12-03 CN CN201520988571.0U patent/CN205333278U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300640A (en) * | 2015-12-03 | 2016-02-03 | 苏州东菱振动试验仪器有限公司 | Long-stroke drive coil structure for electrodynamic vibration generator |
| CN105300640B (en) * | 2015-12-03 | 2018-06-26 | 苏州东菱振动试验仪器有限公司 | For the long stroke moving-coil structure of electric vibration table |
| CN107449579A (en) * | 2017-08-03 | 2017-12-08 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
| CN107449579B (en) * | 2017-08-03 | 2019-11-05 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
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