CN102519696A - Universal coupling type dowel steel - Google Patents
Universal coupling type dowel steel Download PDFInfo
- Publication number
- CN102519696A CN102519696A CN2011104515817A CN201110451581A CN102519696A CN 102519696 A CN102519696 A CN 102519696A CN 2011104515817 A CN2011104515817 A CN 2011104515817A CN 201110451581 A CN201110451581 A CN 201110451581A CN 102519696 A CN102519696 A CN 102519696A
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- universal coupling
- connecting rod
- dowel steel
- coupling
- universal
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Abstract
The invention belongs to earthquake simulation vibration device and especially relates to a universal coupling type dowel steel which is used for vibrating table exciting force transmission. A dowel steel on the vibrating table is comprised. The universal coupling type dowel steel is characterized in that: the each dowel steel uses the universal coupling type dowel steel; the universal coupling type dowel steel is formed by an A universal coupling, an A connecting rod, a B connecting rod, a B universal coupling and coupling supports; the coupling support installed on the vibrating table is hinged with the A universal coupling; the A universal coupling is connected with one end of the A connecting rod; the other end of the A connecting rod is connected with one end of the B connecting rod through a screw nut mode; the other end of the B connecting rod is connected to the B universal coupling; the B universal coupling is hinged with the other coupling support. According to the invention, a design is reasonable and a structure is compact. A cooperation gap is small and precision is high. Transmission of the high frequency exciting force can be realized. The dowel steel of the invention has the following advantages: a shock resistance is high; a service life is long; operation is safe and reliable; usage is very convenient and the like.
Description
Technical field
The invention belongs to the earthquake simulation shaking table device, particularly be applicable to a kind of universal coupling formula transmission rod of shaking table exciting force transmission usefulness.
Background technology
Many knowledges that are total to, earthquake simulation shaking table are widely used in aspects such as kinematic behavior and the equipment anti-seismic performance of research structure thing, and the while also plays significant role in fields such as atomic reactor, ocean structure engineering, hydro-structure, sciences of bridge building; At present; The ball pivot connecting rods that adopt transmit exciting force to realize the vibrations of vibration table more in the three-dimensional six degree of freedom seismographic station that is widely used; Earthquake simulation shaking table like the 3-2-1 type of drive of common employing---be that Fig. 3 axle in this case Figure of description is surveyed shown in the synoptic diagram, its structure comprises: shaking table upper bottom surface distributed quantity be three with totally six the ball pivot link-type transmission rods that transmit exciting forces that adjoin each one of two sides quantity, drive by hydraulic jack.Because this bumper adopts the transmission exciting force of 6 ball pivot connecting rods, the tolerance clearance of its ball pivot is bigger, and assembly precision is low, thus when exciting force greatly, excited frequency is during greater than 50Hz, its shock resistance is restricted, the life-span of ball pivot connecting rod receives very big influence.Therefore, to the shortcoming and defect part of above-mentioned existence, it is very necessary researching and developing the transmission rod that a kind of new transmission exciting force uses.
Summary of the invention
The present invention is intended to the shortcoming and defect part that in above-mentioned technology, exists; And provide not only reasonable in design, and compact conformation, both the little precision of tolerance clearance was high; Realize the transmission of high-frequency exciting force again; And having the shock resistance height, the life-span is long, the reliable and a kind of very easily universal coupling formula transmission rod of use of handling safety.
The objective of the invention is to adopt following technical scheme to realize: described universal coupling formula transmission rod; Transmission rod on the involving vibrations platform; It is characterized in that: its each transmission rod adopts universal coupling formula transmission rod; Described universal coupling formula transmission rod is made up of A universal coupling, first connecting rod, second connecting rod, B universal coupling and shaft coupling support; Be loaded on hinged A universal coupling on the shaft coupling support on the shaking table, this A universal coupling connects an end of first connecting rod, and the other end of described first connecting rod is connected with an end of second connecting rod through feed screw nut's mode; The other end of described second connecting rod is connected on the B universal coupling, and this B universal coupling is hinged on another shaft coupling support.
Principle of the present invention and characteristics branch are set forth in down:
The present invention is divided into two parts with transmission rod, is connected by feed screw nut, adopts universal coupling to replace ball pivot simultaneously, realizes the transmission of exciting force.Because the sliding bearing gap precision of universal coupling and the quality of fit of feed screw nut are higher than the gap precision of ball pivot, are greatly improved so shock resistance is compared ball pivot.Exciting force is passed to the first connecting rod through the A universal coupling; Pass to the second connecting rod by the first connecting rod through the feed screw nut connected mode again; Pass to the B universal coupling by the second connecting rod at last; The frame mode that drives owing to earthquake simulation platform 3-2-1 has determined the relative rotating angle of first connecting rod and second connecting rod the most very much not can surpass 90 degree, so because the axial stretching amount of the first connecting rod that the feed screw nut connection is caused, second connecting rod is very little, can ignore to the shaking platform effect on amplitude; Therefore can solve the deficiency of ball pivot connecting rod, improve the reliability that the high-frequency exciting force transmits.
The comprehensive above technical scheme of being taked realizes the object of the invention.
Compared with present technology, the present invention is not only reasonable in design, compact conformation, both the little precision of tolerance clearance is high, realizes the transmission of high-frequency exciting force again, and has the shock resistance height, the life-span is long, handling safety reliable with advantages such as use is very convenient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The present invention has three width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is the plan structure synoptic diagram of the specific embodiment of the invention;
Accompanying drawing 2 is A place enlarged diagrams of 1.
Accompanying drawing 3 be depicted as prior art, survey synoptic diagram by six axles that transmit the ball pivot link-type transmission rod structure of exciting forces.
Among the figure: 1, A universal coupling, 2, the first connecting rod, 3, the second connecting rod, 4, the B universal coupling, 5, the shaft coupling support, 6, shaking table.
Embodiment
Fig. 1, shown in 2 specific embodiment of the present invention; It is a kind of universal coupling formula transmission rod that adopts the earthquake simulation shaking table exciting force transmission usefulness of 3-2-1 type of drive; Shaking table 6 upper bottom surface distributed quantities be three with adjoin each one of two sides quantity, by hydraulic jack drive totally six adopt universal coupling formula transmission rods; It is characterized in that: described universal coupling formula transmission rod is made up of A universal coupling 1, first connecting rod 2, second connecting rod 3, B universal coupling 4 and shaft coupling support 5; Be loaded on hinged A universal coupling 1 on the shaft coupling support 5 on the shaking table; This A universal coupling 1 connects the right-hand member of first connecting rod 2; The left end of described first connecting rod 2 is connected with the right-hand member of second connecting rod through feed screw nut's mode; The left end of described second connecting rod is connected on the B universal coupling 4, and this B universal coupling 4 is hinged on another shaft coupling support 5, and this another shaft coupling support 5 is hinged with hydraulic jack.
Shown in Figure 3 is that the axle of earthquake simulation shaking table of the employing 3-2-1 type of drive of prior art is surveyed synoptic diagram, and its structure comprises: at shaking table 6 upper bottom surface distributed quantities is that three vibrations with totally six the ball pivot link-type transmission rods that transmit exciting forces that adjoin each one of two sides quantity, driven by hydraulic jack are by six ball pivot link-type transmission rod structures of transmitting exciting forces.
The above; Be merely preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; All are familiar with the technician in present technique field in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.
Claims (1)
1. universal coupling formula transmission rod; Transmission rod on the involving vibrations platform; It is characterized in that: its each transmission rod adopts universal coupling formula transmission rod; Described universal coupling formula transmission rod is made up of A universal coupling (1), first connecting rod (2), second connecting rod (3), B universal coupling (4) and shaft coupling support (5); The shaft coupling support (5) that is loaded on the shaking table is gone up hinged A universal coupling (1), and this A universal coupling (1) connects an end of first connecting rod (2), and the other end of described first connecting rod (2) is connected with an end of second connecting rod (3) through feed screw nut's mode; The other end of described second connecting rod (3) is connected on the B universal coupling (4), and this B universal coupling (4) is hinged on another shaft coupling support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104515817A CN102519696A (en) | 2011-12-29 | 2011-12-29 | Universal coupling type dowel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104515817A CN102519696A (en) | 2011-12-29 | 2011-12-29 | Universal coupling type dowel steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102519696A true CN102519696A (en) | 2012-06-27 |
Family
ID=46290693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104515817A Pending CN102519696A (en) | 2011-12-29 | 2011-12-29 | Universal coupling type dowel steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102519696A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389195A (en) * | 2013-08-02 | 2013-11-13 | 北京航空航天大学 | Additional-stiffness-free shock excitation rod for modal test |
| CN105268499A (en) * | 2014-06-10 | 2016-01-27 | 广西大学 | Multifunctional experiment table |
| CN107795594A (en) * | 2017-11-17 | 2018-03-13 | 北京博科测试系统股份有限公司 | Underwater vibroseis and its universal driving device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050994A (en) * | 2007-04-24 | 2007-10-10 | 江苏大学 | Three translation parallel mechanism multiple dimension vibration exciting table |
| CN101915671A (en) * | 2010-07-29 | 2010-12-15 | 中国南方航空工业(集团)有限公司 | Throttle moment transmitting device for aircraft engine test stand |
| CN202393577U (en) * | 2011-12-29 | 2012-08-22 | 一重集团大连设计研究院有限公司 | Universal coupling type force transferring bar |
-
2011
- 2011-12-29 CN CN2011104515817A patent/CN102519696A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050994A (en) * | 2007-04-24 | 2007-10-10 | 江苏大学 | Three translation parallel mechanism multiple dimension vibration exciting table |
| CN101915671A (en) * | 2010-07-29 | 2010-12-15 | 中国南方航空工业(集团)有限公司 | Throttle moment transmitting device for aircraft engine test stand |
| CN202393577U (en) * | 2011-12-29 | 2012-08-22 | 一重集团大连设计研究院有限公司 | Universal coupling type force transferring bar |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389195A (en) * | 2013-08-02 | 2013-11-13 | 北京航空航天大学 | Additional-stiffness-free shock excitation rod for modal test |
| CN103389195B (en) * | 2013-08-02 | 2016-06-08 | 北京航空航天大学 | A kind of for the exciting rod without additional stiffness in mould measurement |
| CN105268499A (en) * | 2014-06-10 | 2016-01-27 | 广西大学 | Multifunctional experiment table |
| CN107795594A (en) * | 2017-11-17 | 2018-03-13 | 北京博科测试系统股份有限公司 | Underwater vibroseis and its universal driving device |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |