CN103712760B - Shaking table magnetic structure and installation method thereof - Google Patents

Shaking table magnetic structure and installation method thereof Download PDF

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Publication number
CN103712760B
CN103712760B CN201410016184.0A CN201410016184A CN103712760B CN 103712760 B CN103712760 B CN 103712760B CN 201410016184 A CN201410016184 A CN 201410016184A CN 103712760 B CN103712760 B CN 103712760B
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magnetic
iii
shaking
air spring
coil
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CN103712760A (en
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吴国雄
张国湘
徐常德
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Suzhou Dongling Vibration Testing Instrument Co., Ltd.
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SUZHOU DONGLING VIBRATION TESTING INSTRUMENT CO Ltd
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Abstract

The invention discloses a kind of shaking table magnetic structure and installation method.This magnetic structure comprises central magnetic pole, magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, wherein, described central magnetic pole top is provided with fulcrum arrangement, described fulcrum arrangement comprises air spring, air chamber, valve and the detachable and coaxial Part I arranged, Part II and Part III, wherein said Part I fixing sleeve is established on the second portion, described Part III is fixedly connected on Part II one end, simultaneously, described Part II one end face also encloses formation at least in order to the cavity of accommodating described air spring with Part I, other end coordinates with Part III and forms described air chamber.Magnetic structure of the present invention is simple, can assemble by mode from the top down, easy and simple to handle, is easy to dismounting and safeguards, be particularly useful for the electric vibration testing equipment without trunnion mounting structure.

Description

Shaking table magnetic structure and installation method thereof
Technical field
The present invention relates to a kind of electric vibration testing equipment, particularly a kind of magnetic structure and installation method being applied to electric vibration testing equipment, belongs to technical field of mechanical environmental test.
Background technology
Electrodynamic vibration shaker is current most popular a kind of vibratory equipment, it is according to electromagnetic induction principle work, to the effect of electromagnetic force be subject to when current-carrying conductor in stationary magnetic field and move, producing vibration when the electric current that the drive coil of shaking table passes through produces exciting force with alternating signal.The drive coil of shaking table is in the space of a high magnetic field intensity, producing from signal generator or vibration controller when the vibration signal needed and lead to drive coil after power amplifier amplifies, at this moment shaking table will produce vibration force and the vibrational waveform of needs.
Existing electric vibration table is made up of parts such as drive coil and moving component, moving component suspension and guide piece, magnetic circuit system and fulcrum arrangements substantially.Consult the structural representation of a kind of existing shaking table magnetic circuit component of Fig. 1 system, it comprises the magnetic structure be made up of central magnetic pole 1 ', magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom 2 ' and field coil etc., the fulcrum arrangement of air chamber 3 ', air spring 4 and admission piece composition is also housed, lower tumbler 5, guided bearing axle 6 and upper guiding mechanism (not shown) composition guide piece etc. in magnetic structure.There is the electric vibration table of this magnetic structure when assembling, need first by magnetic cylinder body overturn, to install lower guiding and fulcrum arrangement, it operates inconvenience, and gudgeon and stage body support will be had in shaking table body structure, it can cause problems, such as, more easily causes to collide between each assembly and impaired.
Summary of the invention
The object of the present invention is to provide a kind of shaking table magnetic structure and installation method, its structure is simple, is easy to assembling, thus overcomes deficiency of the prior art.
For realizing aforementioned invention object, present invention employs following technical scheme:
A kind of shaking table magnetic structure, comprise central magnetic pole, magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, wherein, described central magnetic pole top is provided with fulcrum arrangement, described fulcrum arrangement comprises air spring, air chamber and valve, further, described fulcrum arrangement also comprises the detachable and coaxial Part I arranged, Part II and Part III, wherein said Part I fixing sleeve is established on the second portion, described Part III is fixedly connected on Part II one end, simultaneously, described Part II one end face also encloses formation at least in order to the cavity of accommodating described air spring with Part I, other end coordinates with Part III and forms described air chamber.
Further, described air spring one end is fixedly connected with described Part II through threaded fastener, and the other end and moving-coil support axis of guide one end and be fixedly connected with, and the described moving-coil supporting axis of guide other end passes described Part I.
Further, described Part II offers through hole, described threaded fastener one end is passed described through hole and is fixedly connected with air spring, and other end is substantially concordant with the other end of described Part II.
" substantially concordant " described herein refers to that the other end of threaded fastener is slightly given prominence to or is absorbed in described through hole a little from described through hole.
Further, described Part III one end is blind end, and the other end penetrates described magnetic cylinder bottom, and is fixedly connected with described Part II other end.
Further, described air chamber is enclosed by described Part II and described Part III and is formed.
Further, described Part II other end coordinates with described Part III through terraced structure.
Further, described Part II one end coordinates with described Part I one end through terraced structure.
Further, also lower tumbler is provided with between the described moving-coil supporting axis of guide and central magnetic pole.
An installation method for shaking table magnetic structure, it comprises:
There is provided fulcrum arrangement, it is primarily of air spring, detachable Part I, Part II and Part III composition,
Described air spring lower end is fixedly connected with described Part II, upper end and moving-coil support axis of guide lower end and are fixedly connected with, and described Part II and Part I are inserted described Part I successively from the upper end open portion of central magnetic pole, and make described Part I, Part II and Part III are coaxially arranged, make described moving-coil support axis of guide upper end simultaneously and pass described Part I, then described Part II is fixedly connected on Part I bottom, make described Part II upper surface, lower surface encloses formation respectively at least in order to an air chamber of the cavity of accommodating described air spring and the structural member as described fulcrum arrangement with Part I and Part III, thus form fulcrum arrangement by described air spring and air chamber assembly,
And, described central magnetic pole is fixedly connected with magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, forms described shaking table magnetic structure.
Further, this installation method comprises: utilization plural number passes perpendicularly through described Part III, described packaging part, Part III are fixedly connected with Part II with the bolt part of Part I by Part II.
Further, described Part III with between Part II and described Part II all coordinate through terraced structure with between Part I.
Further, be fastenedly connected through terraced structure and the plural bolt part that passes perpendicularly through terraced structure between described Part I and central magnetic pole.
Compared with prior art, advantage of the present invention is at least: this magnetic circuit system of vibrating table is simple, can assemble by mode from the top down, particularly air chamber component wherein can be passed through the assembling of described central magnetic pole, simple to operate, be easy to dismounting and safeguard, be particularly useful for electric vibration testing equipment.
Accompanying drawing explanation
Fig. 1 is existing a kind of magnetic circuit system of vibrating table schematic diagram, and wherein, each assembly and Reference numeral thereof are respectively: central magnetic pole 1 ', magnetic cylinder bottom 2 ', air chamber 3 ', air spring 4, lower tumbler 5, moving-coil guided bearing axle 6;
Fig. 2 is a kind of magnetic circuit system of vibrating table schematic diagram in a preferred embodiment of the present invention, wherein, each assembly and Reference numeral thereof are respectively: central magnetic pole 1, Part I 11, Part II 12, Part III 13, magnetic cylinder bottom 2, air chamber 3, air spring 4, lower tumbler 5, moving-coil guided bearing axle 6, valve 7.
Embodiment
Below in conjunction with preferred embodiment and accompanying drawing, technical scheme of the present invention is further described.
Consulting shown in Fig. 2 is a kind of magnetic circuit system of vibrating table of the present invention, comprise primarily of central magnetic pole 1, magnetic cylinder bottom 2, the magnetic circuit that magnetic cylinder cap and magnetic cylinder (not shown in FIG.) form, described central magnetic pole top is provided with at least in order to the cavity of accommodating air spring 4, and its underpart is provided with air chamber 3, this air spring and air chamber assembly form a fulcrum arrangement.Further, described fulcrum arrangement comprises detachable and coaxial Part I 11, Part II 12 and the Part III 13 arranged, wherein said Part I is set in central magnetic pole 1, described Part II is fixedly connected on Part I one end, simultaneously, described Part III one end face also encloses with Part II the other end and forms air chamber 3, and Part III other end is blind end, and valve 7 is housed.
Previous designs also can be regarded as, by the part in central magnetic pole is cut out, and as central air chamber assembly, and in order to not affect magnetic track area, also by the part cut out with originally coordinated by the central magnetic pole inner chamber dug, this structure is convenient to fill air chamber structure from top to bottom.
Further, described air spring one end is fixedly connected with described Part II through threaded fastener, and the other end and moving-coil support axis of guide one end and be fixedly connected with, and the described moving-coil supporting axis of guide other end passes described central magnetic pole.
Further, described Part II offers through hole, described threaded fastener one end is passed described through hole and is fixedly connected with air spring, and other end is substantially concordant with an end face of described Part III.
" substantially concordant " described herein refers to that the other end of threaded fastener is slightly given prominence to or is absorbed in described through hole a little from described through hole.
Further, described Part II one end can coordinate with Part I one end through terraced structure, and also can be fixedly connected with through threaded fastener again, both is connected more firm.
Further, described Part III one end is blind end and valve is housed, and the other end penetrates described magnetic cylinder bottom, and is fixedly connected with described Part II other end.Wherein, described air chamber can be enclosed by described Part II and described Part III and be formed.
Preferably, described Part II other end also can coordinate with described Part III through terraced structure and also can be fixedly connected with through threaded fastener again.
Further, lower tumbler 5 is arranged between the described moving-coil supporting axis of guide and central magnetic pole.
By previous designs, air chamber component can be loaded from central magnetic pole above, be convenient to handling, be particularly useful for without trunnion mounting structure.Its process can comprise:
Be fixedly connected with fixing for air spring lower end with described Part II, upper end and moving-coil support axis of guide lower end and are fixedly connected with, and described Part III and Part II are inserted described central magnetic pole successively from the upper end open portion of central magnetic pole, and make described Part I, Part II and Part III are coaxially arranged, make described moving-coil support axis of guide upper end simultaneously and pass described central magnetic pole, then described Part II is fixedly connected on Part I bottom, make described Part II upper surface, lower surface encloses formation respectively at least in order to cavity and an air chamber of accommodating described air spring with Part I and Part III, thus form fulcrum arrangement by described air spring and air chamber assembly, and, same, according to mode from the top down, described central magnetic pole is fixedly connected with magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, forms described shaking table magnetic structure.
It should be noted that, above preferred embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, done various conversion or modification, all belong to category of the present invention.

Claims (9)

1. a shaking table magnetic structure, comprise central magnetic pole, magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, wherein, described central magnetic pole top is provided with fulcrum arrangement, described fulcrum arrangement comprises air spring, air chamber and valve, it is characterized in that, described fulcrum arrangement also comprises the detachable and coaxial Part I arranged, Part II and Part III, wherein said Part I fixing sleeve is established on the second portion, described Part III is fixedly connected on Part II one end, simultaneously, described Part II one end face also encloses formation at least in order to the cavity of accommodating described air spring with Part I, other end coordinates with Part III and forms described air chamber.
2. shaking table magnetic structure according to claim 1, it is characterized in that, described air spring one end is fixedly connected with described Part II through threaded fastener, the other end and moving-coil support axis of guide one end and are fixedly connected with, the described moving-coil supporting axis of guide other end passes described Part I, is also provided with lower tumbler between the described moving-coil supporting axis of guide and central magnetic pole.
3. shaking table magnetic structure according to claim 2, it is characterized in that, described Part II offers through hole, and described threaded fastener one end is passed described through hole and is fixedly connected with air spring, and other end is substantially concordant with the other end of described Part II.
4. shaking table magnetic structure according to claim 1, is characterized in that, described Part III one end is blind end, and the other end penetrates described magnetic cylinder bottom, and is fixedly connected with described Part II other end.
5. shaking table magnetic structure according to claim 1, it is characterized in that, described air chamber is enclosed by described Part II and described Part III and is formed, described Part II one end coordinates with described Part I one end through terraced structure, and its other end coordinates with described Part III through terraced structure.
6. an installation method for shaking table magnetic structure, is characterized in that, comprising:
There is provided fulcrum arrangement, it is primarily of air spring, detachable Part I, Part II and Part III composition,
Be fixedly connected with fixing for air spring lower end with described Part II, upper end and moving-coil support axis of guide lower end and are fixedly connected with, and described Part II and Part I are inserted described Part I successively from the upper end open portion of central magnetic pole, and make described Part I, Part II and Part III are coaxially arranged, make described moving-coil support axis of guide upper end simultaneously and pass described Part I, then described Part II is fixedly connected on Part I bottom, make described Part II upper surface, lower surface encloses formation at least in order to the air chamber of the cavity of accommodating described air spring and the structural member as described fulcrum arrangement with Part II and using packaging part respectively,
And, described central magnetic pole is fixedly connected with magnetic cylinder body, magnetic cylinder cap, magnetic cylinder bottom and field coil, forms described shaking table magnetic structure.
7. the installation method of shaking table magnetic structure according to claim 6, it is characterized in that, comprising: utilization plural number passes perpendicularly through described Part III, described Part III, Part II are fixedly connected with Part I with the bolt part of Part I by Part II.
8. the installation method of shaking table magnetic structure according to claim 7, is characterized in that, described Part III with between Part II and described Part II all coordinate through terraced structure with between Part I.
9. the installation method of shaking table magnetic structure according to claim 6, is characterized in that, is fastenedly connected between described Part I and central magnetic pole through terraced structure and the plural bolt part that passes perpendicularly through terraced structure.
CN201410016184.0A 2014-01-14 2014-01-14 Shaking table magnetic structure and installation method thereof Active CN103712760B (en)

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CN104483084A (en) * 2014-12-08 2015-04-01 苏州苏试试验仪器股份有限公司 Lower guide support device for electrodynamic vibration table
CN104865029B (en) * 2015-05-08 2016-06-08 哈尔滨工业大学 The cylindrical hermetic magnetic field type electromagnetic vibration generator system magnetic structure of the long centripetal excitation of permanent magnetism pipe
CN104865031B (en) * 2015-05-08 2016-04-27 哈尔滨工业大学 Two permanent magnetism pipe two ends symmetrical excitation cylindrical hermetic magnetic field type low-frequency vibration calibration console of eddy current compensation
CN104833468B (en) * 2015-05-08 2016-06-22 哈尔滨工业大学 The open magnetic field type electromagnetic vibration generator system magnetic structure of the rectangle of four magnetic circuit symmetry excitations
CN104849007B (en) * 2015-05-08 2016-04-27 哈尔滨工业大学 The symmetrical excitation rectangle of four magnetic circuits that magnetic field tracking compensates open magnetic field type electromagnetic vibration generator system magnetic structure
CN104849006B (en) * 2015-05-08 2016-06-22 哈尔滨工业大学 Double; two permanent magnetism pipe two ends symmetry excitation cylindrical hermetic magnetic field type electromagnetic vibration generator system magnetic structure of eddy current compensation
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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JP2007121042A (en) * 2005-10-26 2007-05-17 Kobe Steel Ltd Machine and method for testing tire
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CN103056097A (en) * 2012-12-27 2013-04-24 苏州苏试试验仪器股份有限公司 Electric type vibration source generator
CN103308266A (en) * 2013-06-26 2013-09-18 苏州苏试试验仪器股份有限公司 Lower guide and supporting device of electric vibration table

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Publication number Priority date Publication date Assignee Title
JP3860724B2 (en) * 2001-06-08 2006-12-20 鹿島建設株式会社 Structural vibration test method
JP2007121042A (en) * 2005-10-26 2007-05-17 Kobe Steel Ltd Machine and method for testing tire
JP4215049B2 (en) * 2005-12-02 2009-01-28 富士通株式会社 Rotational vibration testing machine
CN101793589A (en) * 2010-02-08 2010-08-04 苏州苏试试验仪器有限公司 Assistant cooling structure of water-cooled platform
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Effective date of registration: 20161205

Address after: 215000 Suzhou province high tech Zone Longshan Road, No. 2, Jiangsu

Patentee after: Suzhou Donlim Test Equipment Co., Ltd.

Address before: 215000 Jiangsu high tech Zone, Suzhou hi tech Zone Longshan Road, No. 2

Patentee before: Suzhou Dongling Vibration Testing Instrument Co., Ltd.

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Effective date of registration: 20171221

Address after: No. 2, Longshan Road, science and Technology City, Suzhou high tech Zone, Suzhou City, Jiangsu

Patentee after: Suzhou Dongling Vibration Testing Instrument Co., Ltd.

Address before: 215000 Suzhou province high tech Zone Longshan Road, No. 2, Jiangsu

Patentee before: Suzhou Donlim Test Equipment Co., Ltd.