CN106840565B - Double-vibrating table connecting structure - Google Patents

Double-vibrating table connecting structure Download PDF

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Publication number
CN106840565B
CN106840565B CN201710107532.9A CN201710107532A CN106840565B CN 106840565 B CN106840565 B CN 106840565B CN 201710107532 A CN201710107532 A CN 201710107532A CN 106840565 B CN106840565 B CN 106840565B
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China
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plate body
vertical plate
vertical
plates
holes
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CN201710107532.9A
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CN106840565A (en
Inventor
王东升
朱学旺
刘青林
农绍宁
赵怀耘
张志旭
王玉碧
王珏
刘谦
张思箭
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General Engineering Research Institute China Academy of Engineering Physics
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General Engineering Research Institute China Academy of Engineering Physics
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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a double-vibrating-table connecting structure which comprises a connecting panel, a connecting base and a force transmission structure, wherein bolt holes for connecting test pieces are formed in the connecting panel, the upper ends of the two connecting bases are fixedly connected with the lower side face of the connecting panel, connecting holes for connecting with a vibrating table are formed in the connecting base, the side faces of the two connecting bases are fixedly connected through the force transmission structure, and the upper side face of the force transmission structure is fixedly connected with the lower side face of the connecting panel. The connecting structure for connecting the vibrating tables and the test specimen is formed by the connecting panel, the connecting base and the force transmission structure, and can be used as a means for transmitting vibration excitation, so that the capability of the two vibrating tables can be applied to the same specimen, and the loading capability of a vibration test is expanded.

Description

Double-vibrating table connecting structure
Technical Field
The invention relates to the field of structural design, in particular to a double-vibrating-table connecting structure.
Background
When a vibration test of a large-mass test piece is performed, the thrust of a single vibration table may be insufficient, and the test cannot be performed. The prior art adopts a double-vibration table or multi-vibration table parallel pushing method to solve the problem. It has been found that when the rigidity of the connection structure connecting the vibration table and the clamp is insufficient, the vibration load will be significantly attenuated, and the test piece will still not be examined. If the size of the connection structure is increased, the mass of the structure will also increase in response, which will result in the connection structure consuming a large part of the thrust, resulting in an insufficient thrust.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a dual-vibrating table connecting structure.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a two shaking table connection structure, includes connection panel, connection base and biography power structure, be provided with on the connection panel be used for the bolt hole of being connected with experimental test piece, two the upper end of connection base all with the downside fixed connection of connection panel, be provided with on the connection base and be used for the connecting hole of being connected with the shaking table, two the side of connection base passes through biography power structure fixed connection, biography power structure's upside with the downside fixed connection of connection panel.
Preferably, the connection base is of a circular structure, a plurality of lightening holes are formed in the connection base, the connection holes are formed in the connection plate arranged in the radial direction of the connection base, and through holes corresponding to the connection holes are formed in the connection panel.
Specifically, the power transmission structure includes central riser, interior riser, outer riser, side riser and interior gusset, two side riser parallel arrangement, two the both ends of side riser respectively with two connect the lateral surface of base fixed and tangent, the fixed setting of central riser is two connect between the base and all with side riser parallel arrangement, a plurality of interior risers evenly set up the both sides of central riser, and with central riser parallel arrangement, a plurality of interior gusset with central riser sets up perpendicularly and is located respectively between two adjacent interior risers, and with square cavity is constituteed to interior riser.
Further, the force transmission structure further comprises a side vertical plate, a short inclined rib plate, a long inclined rib plate and a transverse rib plate, wherein the side vertical plates are respectively arranged on the outer side of the outer vertical plate in parallel, the long inclined rib plate is obliquely arranged between the side vertical plate and the outer vertical plate, the transverse rib plate is vertically arranged between the side vertical plate and the outer vertical plate, the short inclined rib plate is obliquely arranged between the connecting base and the outer vertical plate, and the long inclined rib plate, the short inclined rib plate and the transverse rib plate are all arranged on an extension line of the radius of the connecting base.
The invention has the beneficial effects that:
the connecting structure for connecting the vibrating tables and the test specimen is formed by the connecting panel, the connecting base and the force transmission structure, and can be used as a means for transmitting vibration excitation, so that the capability of the two vibrating tables can be applied to the same specimen, and the loading capability of a vibration test is expanded.
Drawings
FIG. 1 is a schematic view of a dual oscillating table connection structure according to the present invention;
fig. 2 is a schematic semi-sectional view of a dual oscillating table connection structure according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the dual-vibration table connecting structure comprises a connecting panel 1, a connecting base 3 and a force transmission structure, wherein bolt holes 2 for connecting test pieces are formed in the connecting panel 1, the upper ends of the two connecting bases 3 are fixedly connected with the lower side face of the connecting panel 1, connecting holes 4 for connecting with a vibration table are formed in the connecting base 3, the side faces of the two connecting bases 3 are fixedly connected through the force transmission structure, the upper side face of the force transmission structure is fixedly connected with the lower side face of the connecting panel 1, the connecting base 3 is of a circular structure, a plurality of weight reducing holes 5 are formed in the connecting base 3, the connecting holes 4 are formed in connecting plates arranged along the radial direction of the connecting base 3, and through holes corresponding to the connecting holes 4 are formed in the connecting panel 1.
The force transmission structure comprises a central vertical plate 6, an inner vertical plate 7, an outer vertical plate 8, side vertical plates 9, inner rib plates 10, side vertical plates 9, short inclined rib plates 12, long inclined rib plates 13 and transverse rib plates 11, wherein the two side vertical plates 9 are arranged in parallel, two ends of the two side vertical plates 9 are respectively fixed and tangent with the outer side faces of the two connecting bases 3, the central vertical plate 6 is fixedly arranged between the two connecting bases 3 and is parallel to the side vertical plates 9, the inner vertical plates 7 are uniformly arranged on two sides of the central vertical plate 6 and are parallel to the central vertical plate 6, the inner rib plates 10 are perpendicular to the central vertical plate 6 and are respectively located between the two adjacent inner vertical plates 7 and form a square cavity with the inner vertical plate 7, the two side vertical plates 9 are respectively arranged on the outer side of the outer vertical plate 8 in parallel, the long inclined rib plates 13 are obliquely arranged between the side vertical plates 9 and the outer vertical plates 8, the transverse rib plates 11 are vertically arranged between the side vertical plates 9 and the outer vertical plates 8, the short inclined rib plates 12 are obliquely arranged between the connecting bases 3 and the outer vertical plates 8, and the inclined ribs 12 are connected with the inclined ribs 13 and the transverse ribs 11 are arranged on the long inclined ribs and the long ribs and the inclined ribs are arranged on the extending bases 3.
The invention aims to provide a connecting piece design method between a double vibrating table and a clamp or a test piece, in particular to a connecting structure design method for greatly improving structural rigidity and vibration load transmission efficiency in the mass of the test piece. When the vibration table is applied, the vibration table is connected with the table surface of the vibration table through the connecting hole 4 of the connecting base 3, is connected with the clamp or the test piece through the bolt hole 2 on the connecting panel 1, and the excitation of the two vibration tables is transmitted to the test clamp or the test piece along the table surface of the vibration table, the connecting base 3, the force transmission structure, the connecting panel 1 and the like. The connecting piece is cast by adopting the magnesium aluminum alloy material, has good structural heat dissipation effect, and can effectively reduce the risk of material combustion in the casting process.
The inside 48 lightening holes 5 that open of connection base 3, a plurality of lightening holes 5 are annular along the center of connection base 3 and distribute, and connection structure is the panel of anchor clamps or test piece connection, and the panel is rectangle and has the bolt hole 2 that is convenient for be connected with vibration test anchor clamps or test piece on it.
When the vibration table is used, the connecting structure is aligned with the two vibration table connecting bolt holes 2, screws are put in the connecting structure base connecting block through the through holes in the connecting panel 1, the bolts are screwed, the connecting speed is high, and the vibration table is convenient to detach.
When connecting the clamp and the connecting structure panel, aligning the clamp or the test piece with the connecting structure connecting bolt hole 2 with the clamp, and penetrating the screw through the connecting panel 1 and the clamp bolt hole 2 to achieve stable connection. The connecting speed is high, and the disassembly is convenient.
The technical scheme of the invention is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the invention fall within the protection scope of the invention.

Claims (2)

1. A double-vibrating table connecting structure is characterized in that: the test device comprises a connecting panel, a connecting base and a force transmission structure, wherein bolt holes for connecting test pieces are formed in the connecting panel, the upper ends of the two connecting bases are fixedly connected with the lower side face of the connecting panel, connecting holes for connecting a vibrating table are formed in the connecting base, the side faces of the two connecting bases are fixedly connected through the force transmission structure, and the upper side face of the force transmission structure is fixedly connected with the lower side face of the connecting panel;
the force transmission structure comprises a central vertical plate, inner vertical plates, outer vertical plates, side vertical plates and inner rib plates, wherein the two side vertical plates are arranged in parallel, two ends of the two side vertical plates are respectively fixed with and tangent to the outer side faces of the two connecting bases, the central vertical plate is fixedly arranged between the two connecting bases and is arranged in parallel with the side vertical plates, the inner vertical plates are uniformly arranged on two sides of the central vertical plate and are arranged in parallel with the central vertical plate, and the inner rib plates are vertically arranged with the central vertical plate and are respectively arranged between the two adjacent inner vertical plates and form a square cavity with the inner vertical plates;
the novel vertical plate comprises a vertical plate body, a horizontal rib plate and a long inclined rib plate, wherein the vertical plate body, the short inclined rib plate body, the long inclined rib plate body and the horizontal rib plate body are arranged on the outer side of the vertical plate body in parallel, the long inclined rib plate body is arranged between the vertical plate body and the vertical plate body in an inclined mode, the horizontal rib plate body is arranged between the vertical plate body and the vertical plate body in a vertical mode, the short inclined rib plate body is arranged between the vertical plate body and the vertical plate body in an inclined mode, and the long inclined rib plate body, the short inclined rib plate body and the horizontal rib plate body are all arranged on an extension line of the radius of the connecting base.
2. A dual oscillating table connecting structure according to claim 1, wherein: the connecting base is of a circular structure, a plurality of lightening holes are formed in the connecting base, the connecting holes are formed in the connecting plate which is arranged along the radial direction of the connecting base, and through holes corresponding to the connecting holes are formed in the connecting panel.
CN201710107532.9A 2017-02-27 2017-02-27 Double-vibrating table connecting structure Active CN106840565B (en)

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Application Number Priority Date Filing Date Title
CN201710107532.9A CN106840565B (en) 2017-02-27 2017-02-27 Double-vibrating table connecting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710107532.9A CN106840565B (en) 2017-02-27 2017-02-27 Double-vibrating table connecting structure

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CN106840565A CN106840565A (en) 2017-06-13
CN106840565B true CN106840565B (en) 2023-08-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109682559A (en) * 2018-12-27 2019-04-26 天津航天瑞莱科技有限公司 Double 35 tons of shake tables simultaneously swash test adjustment tooling

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CN104595418A (en) * 2015-02-02 2015-05-06 江苏高精机电装备有限公司 Periodic-structure vibration isolation device based on bandgap filtration and waveform conversion
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CN105716811A (en) * 2014-12-04 2016-06-29 北京卫星环境工程研究所 Double-platform shunt-excitation horizontal vibration test system with combined table facet
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JP2004093366A (en) * 2002-08-30 2004-03-25 Akashi Corp Multiple-axle vibration testing machine
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CN104595418A (en) * 2015-02-02 2015-05-06 江苏高精机电装备有限公司 Periodic-structure vibration isolation device based on bandgap filtration and waveform conversion
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CN106092475A (en) * 2016-06-01 2016-11-09 中国工程物理研究院总体工程研究所 A kind of piezoelectric type vibration platform being applicable to broadband and high thrust
CN106289695A (en) * 2016-09-20 2017-01-04 天津航天瑞莱科技有限公司 Horizontal supporting system for the test of large-scale antenna system vibration
CN106441767A (en) * 2016-12-07 2017-02-22 上海卫星装备研究所 Ground vibration testing clamp for large spacecraft vibration
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