CN102401080A - Three-dimensional cultural relic shock isolation device with limiting protection system - Google Patents
Three-dimensional cultural relic shock isolation device with limiting protection system Download PDFInfo
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- CN102401080A CN102401080A CN2011103652605A CN201110365260A CN102401080A CN 102401080 A CN102401080 A CN 102401080A CN 2011103652605 A CN2011103652605 A CN 2011103652605A CN 201110365260 A CN201110365260 A CN 201110365260A CN 102401080 A CN102401080 A CN 102401080A
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- 230000035939 shock Effects 0.000 title abstract description 7
- 238000002955 isolation Methods 0.000 title abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 4
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- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000012827 research and development Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 235000001167 Melaleuca cajuputi Nutrition 0.000 description 1
- 244000304222 Melaleuca cajuputi Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to a three-dimensional cultural relic shock isolation device with a limiting protection system, which comprises a bottom plate and a top plate which are arranged in parallel, a first connecting rod system and a second connecting rod system which are vertically arranged between the bottom plate and the top plate and face each other, and an elastic component which is connected with the lower part of the top plate and can stretch out and draw back along the vertical direction, wherein the projection connecting line of the first connecting rod system and the second connecting rod system on the bottom plate forms a rectangle; the first connecting rod system and the second connecting rod system comprise at least two vertical connecting rods, the upper end parts of the connecting rods are hinged with the extending parts of the top plate through first pin shafts, the lower end parts of the connecting rods are hinged with one end of a connecting plate through second pin shafts, the first pin shafts and the second pin shafts are parallel in the axial direction and perpendicular to the projection lines of the first connecting rod system and the second connecting rod system on the bottom plate, the other end of the connecting plate is pivoted with the bottom plate through a horizontal pivot shaft, and the axial direction of the horizontal pivot shaft is parallel to the projection lines. The device can ensure that the top plate is always horizontal when an earthquake occurs, thereby ensuring that cultural relics cannot topple and be damaged.
Description
Technical field
The present invention relates to a kind of historical relic shock-proof device, more particularly, relate to the three-dimensional historical relic shock-proof device of a kind of band position limitation protection system.
Background technique
Palace Museum has surplus the Movable Cultural Relics 200 ten thousand, accounts for 1/6 of national historical relic, and these Movable Cultural Relics are important component parts of world cultural heritage, have extremely important culture, history and historical relic and are worth, and protect significant.To the protection of these historical relics, fire prevention, antitheft requirement are not only arranged, also shockproof requirement should be arranged.On the one hand, Beijing belongs to 8 degree earthquake protection districts, and earthquake takes place repeatedly in history, and as setting up so far from 1420, Bei Jingcheng suffers earthquake at least 222 times, contains the above earthquake of 8 degree 5 times.And a large amount of historical relic earthquakes show: the floating historical relic of putting is 3～4 when spending in intensity of earthquake, just might produce heavy damage.Because the Unpredictability of earthquake and huge destructiveness, make and these historical relics are taked precautions against earthquakes are extremely urgent timely and effectively.On the other hand; World's earthquake in recent years takes place frequent; Like the 8.0 grades of special violent earthquakes in China Wenchuan in 2008,7.1 grades of earthquakes of China's cajaput in 2010, the 9.0 grades of special violent earthquakes in the Japanese East Sea in 2011 etc.; Caused the Movable Cultural Relics massive losses, this make undoubtedly advanced, feasible historical relic shock-proof device exploitation and use particularly urgent.
From the floating research and development present situation of putting the historical relic shock-proof device of collection; Domestic aspect is wretched insufficiency in this regard, and that dissimilar historical relic shock-proof devices are generally promoted the use of like countries such as Japan, the U.S., Italy in external aspect is anti-vibration protected based on the historical relic of advanced technology with realization.Dissimilar shock-proof devices such as roller type, roller type, ball type, slide block type, friction pendulum-type are able to research and development; Dissimilar shock insulation materials such as pneumatic spring, constant force spring, magnetite, marmem are able to use, and make that the DEVELOPMENT PROSPECT of historical relic shock-proof device is wide.Yet isolating affection from the historical relic shock-proof device; Realize simple structure, little volume, low conduction is than (ratio of the response acceleration peak value of historical relic and input seismic waves acceleration peak value) and avoid historical relic vertically to wave, and guarantees that reliability, the durability of shock-proof device are still an important problem.
Summary of the invention
Existing historical relic shock-proof device is main with level to shock insulation mostly, and for APPROACH TO RIGHT--BENEATH--CITY TYPE EARTHQUAKES, vertical seismic components often accounts for critical role.Say that from horizontal restoring force parts angle traditional spring needs vertical double-deck setting can realize that level is arbitrarily to shock insulation; Then be easy to take place the problem that causes parts to fly out owing to horizontal seismic force is excessive based on the curved surface roller of gravity restoring force or roller unit; Say that from vertical restoring force parts angle traditional spring is easy to generate vertical buckling problem owing to natural bow is excessive, and unit architecture is complicated, it is bigger to occupy vertical direction spatial.Based on this, the present invention attempts to solve the problems referred to above through the research and development of the three-dimensional historical relic shock-proof device of band position limitation protection system.
For realizing above-mentioned purpose, the technological scheme that the present invention adopts is:
The three-dimensional historical relic shock-proof device of a kind of band position limitation protection system has been proposed; Comprise the base plate that laterally arranges and top board, the resilient member that can vertically stretch that vertically is arranged on the first connecting rod system that faces mutually and the second connecting rod system between said base plate and the said top board and is connected, it is characterized in that: said first connecting rod system and the said second connecting rod system projection join line formation rectangle on said base plate with said top board below; Said first connecting rod system and said second connecting rod system comprise at least two vertical link; The upper end portion of said connecting rod is hinged through the extension of first bearing pin and said top board; The underpart of said connecting rod is hinged through an end of second bearing pin and a plate; The parallel to an axis of said first bearing pin and said second bearing pin and vertical with the projection line of said second connecting rod system on said base plate with said first connecting rod system; The other end of said connecting plate articulates to pivot and said base plate through level, and said level is parallel with the projection line of said second connecting rod system on said base plate to the axial and said first connecting rod system of pivot.
Preferably, said first connecting rod system and said second connecting rod system also comprise waling stripe, and said waling stripe is hinged through the 3rd bearing pin and said vertical link.
Preferably, said vertical link is for passing through the hinged two-part connecting rod of said the 3rd bearing pin.
Preferably, said resilient member is helical spring, rubber spring or air spring.
Preferably, said resilient member lower end is connected with the slide member that can on said base plate, slide.
Preferably, said slide member is universal rolling wheel, slide block or ball.
Preferably, said resilient member comprise inner sleeve, outer sleeve and be arranged on said inner sleeve and said outer sleeve between helical spring, form gas tight seal between wherein said inner sleeve and the said outer sleeve.
Preferably, said top board and said base plate is shaped as rectangle, circle or oval.
Compared with prior art, the beneficial effect that has of the present invention is:
1. this device need not to be provided with double-layer horizontal shock insulation track or the vertical earthquake isolating parts is set separately.
2. the setting of universal rolling wheel, slide block or ball can be satisfied the sense of rotation demand of 3-D seismics effect lower device.
3. but the setting of spring roller cycle of aggrandizement apparatus not only, but and the rotation of restricting means under geological process.
4. because top board remains the interaction of level and inside and outside sleeve, there is not the problem of longitudinal bending in therefore vertical spring.
5. seal ring is set between the inside and outside sleeve, but the restoring force of aggrandizement apparatus and the part resistance is provided helps the performance of device isolating affection.
6. this device construction is simple, cost is low, effective, processing and easy to maintenance.
Description of drawings
Fig. 1 is three-dimensional historical relic shock-proof device first embodiment's of a band position limitation protection system of the present invention perspective view;
Fig. 2 is the A portion zoomed-in view among Fig. 1;
Fig. 3 is the B portion zoomed-in view among Fig. 1;
Fig. 4 is the zoomed-in view of the vertical telescopic elastic of the present invention mechanism;
Fig. 5 is the sectional view of the vertical telescopic elastic of the present invention mechanism;
Fig. 6 is the perspective view of variant embodiment of the historical relic shock-proof device of Fig. 1;
Fig. 7 is placed on showcase and historical relic on the shock-proof device embodiment illustrated in fig. 6, and the perspective view that when influenced by seismic waves, deforms of this shock-proof device;
Fig. 8 is the perspective view of second embodiment of the invention;
Fig. 9 is the perspective view of third embodiment of the invention;
Figure 10 is a side view embodiment illustrated in fig. 9.
Embodiment
Followingly be elaborated with reference to the preferred implementation of accompanying drawing to the three-dimensional historical relic shock-proof device of band position limitation protection of the present invention system.
As shown in Figure 1; The three-dimensional historical relic shock-proof device of band position limitation protection of the present invention system comprises base plate 1, top board 4, the resilient member that can vertically stretch that vertically is arranged on the first connecting rod system that faces mutually and the second connecting rod system between base plate 1 and the top board 4 and is connected with top board 4 belows, wherein first connecting rod system and the second connecting rod system projection join line formation rectangle on base plate 1.
The structure of first connecting rod system and second connecting rod system is identical, is that example is described its detailed structure with the first connecting rod system only below.Shown in Fig. 1-3; The first connecting rod system comprises two vertical link 7 that are separately positioned on top board 4 two ends; The upper end portion of this connecting rod 7 is hinged with the extension 5 of top board 4 through first bearing pin 6, and its underpart is hinged with first connecting plate 8 of substantially horizontal through second bearing pin 61.Said first connecting rod system comprises that also the level that is arranged on the base plate 1 is to the pivot 10 and second connecting plate 9; A wherein end of second connecting plate 9 and first connecting plate, 8 quadratures welding; The other end and base plate 1 are hinged to pivot 10 through level; Like this, second connecting plate 9 only can rotate along fore-and-aft direction to pivot 10 around level.Above-mentioned level to pivot 10 axially and the first connecting rod system parallel with the projection line of second connecting rod system on base plate 1, the parallel to an axis of first bearing pin 6 and second bearing pin 61 and vertical with the projection line of second connecting rod system on base plate 1 with the first connecting rod system.
In interchangeable embodiment, the radical of above-mentioned vertical link 7 can be three, four, and is perhaps more, but they all are arranged between base plate 1 and the top board 4 through first bearing pin 6 and second bearing pin 61 in parallel to each other.
In addition; First connecting plate 8 and second connecting plate 9 can be made integral body; And its section configuration is not limited to rectangle shown in Figure 2; The Any shape that it can adopt those skilled in the art such as circular arc for example to expect as long as the elongation line of its two ends is vertical each other, can be guaranteed level axial vertical to axial and first bearing pin 6 and second bearing pin 61 of pivot 10 like this.
As shown in Figure 4, be the enlarged diagram of the resilient member that can vertically stretch of the present invention, the roller that it comprises sleeve 3, cardan shaft 2 and is assemblied in cardan shaft 2, wherein the bottom of cardan shaft 2 contacts with base plate 1 through roller.Fig. 5 is the sectional view of this resilient member; It comprises inner sleeve 12, spring 14 and outer sleeve 15; Wherein seal through rubber seal 13 between inner sleeve 12 and the outer sleeve 15; The upper end of inner sleeve 12 is connected with top board 4 through guide rod 11, and the lower end of outer sleeve 15 and cardan shaft 2 are fixing, and spring 14 is located between inner sleeve 12 and the outer sleeve 15.
The shock insulation mechanism of the three-dimensional historical relic shock-proof device of band position limitation protection system of the present invention is: device of the present invention in use; The showcase that is built-in with historical relic is placed on the top board 4 of apparatus of the present invention; When seismic waves is done the time spent along left and right directions, vertical link 7 is rotated around first bearing pin 6 and second bearing pin 61, and at this moment the height of top board 4 reduces; The weight of showcase and historical relic applies power straight down through 11 pairs of springs 14 of guide rod, so spring 14 will shrink.In addition, holding the inner sleeve 12 of spring 14 and the spatial volume between the outer sleeve 15 also dwindles.Because above-mentioned elastic mechanism is fixedly connected with the below of top board 4, when the height of top board 4 reduces, roller also will horizontally slip.Spring 14 in the sleeve is compressed distortion and produces restoring force; And the air in the sleeve is owing to rubber seal 13 is airtight; Thereby in spring restoring force and sleeve under the resistance of air effect; The motion to bottom offset and roller of top board 4 is restricted, and makes device of the present invention can progressively return to initial position.Therefore in this process, top board 4 remains level, can guarantee that the historical relic on it can not topple over.
When seismic waves is done the time spent along fore-and-aft direction, second connecting plate 9 will rotate to pivot 10 around level, and will be same, the height of top board 4 reduce and roller before and after slide, thereby apply downward power through 11 pairs of spring spools 3 of guide rod.But, the spring 14 in the sleeve produces restoring force owing to being compressed distortion; And the air in the sleeve is airtight owing to the effect of rubber seal 13; Thereby in spring restoring force and sleeve under the resistance of air effect; The motion to bottom offset and roller of top board 4 is restricted, and makes device of the present invention can progressively return to initial position.
When seismic waves during along other directive effects, above-mentioned rotation situation all might take place.Roller can move along any direction under the drive of cardan shaft 2, and returns to initial position through the restoring force of spring 14 and the resistance of air holding device between inner sleeve 12 and the outer sleeve 15.In the device movement process, top board 4 and top showcase remain level.
As the distortion mode of execution of said apparatus of the present invention, can be referring to Fig. 6.In this view, said push and pull system also comprises waling stripe 71 except that comprising two vertical link 7, and this waling stripe 71 is hinged with vertical link 7 through the 3rd bearing pin 62.
Replacedly, vertical link 7 is through the hinged two-part connecting rod of the 3rd bearing pin 62, and this two-part connecting rod and waling stripe 71 are all hinged through the 3rd bearing pin 62.Like this, when earthquake took place, the amplitude of fluctuation of said device can be littler; The scope that also is the roller motion is dwindled (as shown in Figure 7); Can make the showcase and the inner historical relic motion amplitude thereof of apparatus surface little, and quickly recover to initial position, therefore have better effect.
As shown in Figure 8, be second embodiment of apparatus of the present invention.In this embodiment, except that the roller that replaces among the embodiment one with slide block 21, miscellaneous part and mode of connection thereof are all identical.Slide block 21 has and the universal rolling wheel identical functions, and when earthquake took place, its resilient member that can support its top slided on any direction of horizontal plane.
As shown in Figure 9, be apparatus of the present invention the 3rd embodiment's perspective view.In this embodiment, except that the spring spool 3 that replaces among the embodiment one with pendulum spring 31, miscellaneous part and mode of connection thereof are all identical.One end of pendulum spring 31 is fixedly connected on the middle part of top board 4, and the other end is in suspended state.Preferably, the initial length of this pendulum spring equates with distance between top board 4 and the base plate 1, and also promptly, pendulum spring 31 contacts (shown in figure 10) but not load-bearing with base plate 1.Under geological process; Along with the height of top board 4 reduces, pendulum spring 31 is compressed and provides vertical support and restoring force, and its vertical rigidity can be to a certain extent seismic wave peak value isolator; And top board 4 remains level, and finally makes device progressively return to original state.
As the example of pendulum spring, can adopt helical spring, rubber spring or air spring, but also can adopt other equivalents that it may occur to persons skilled in the art that.This embodiment's advantage is: simple in structure, realize easily.
Need to prove, although in the above-described embodiments, top board 4 and base plate 1 be shaped as rectangle, it will be appreciated by those skilled in the art that it also can be circular, oval or other satisfies arbitrary shape of placing the historical relic demand.Under the situation of non-rectangle, as long as first connecting rod system and the second connecting rod system projection join line on base plate forms the function that rectangle just can be realized this device.
This device is with respect to the major advantage of existing technology: this device is under the situation that adopts the spring spool resilient member, and its main isolation component is a spring.For satisfying the vertical earthquake isolating demand, spring rate is less, yet because the airtight air between inner sleeve 12 and the outer sleeve 15 provides additional restoring force (vertical support force), the distortion of geological process lower spring can be very not big.
The damping force of this device is mainly by the resistance of air between the frictional force between sealing rubber ring 13 and the sleeve 15, inner sleeve 12 and the outer sleeve 15, second connecting plate 9 and the frictional force of level between pivot 10, and the frictional force between connecting rod 7 and the bearing pin 6 provides.
More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence; As active roll is not changed, driven roller is arranged to hollow ventilation rubber roll, also will fall within protection scope of the present invention.
Claims (8)
1. be with the three-dimensional historical relic shock-proof device of position limitation protection system for one kind; Comprise the base plate that laterally arranges and top board, the resilient member that can vertically stretch that vertically is arranged on the first connecting rod system that faces mutually and the second connecting rod system between said base plate and the said top board and is connected, it is characterized in that with said top board below:
Said first connecting rod system and the said second connecting rod system projection join line on said base plate forms rectangle;
Said first connecting rod system and said second connecting rod system comprise at least two vertical link; The upper end portion of said connecting rod is hinged through the extension of first bearing pin and said top board; The underpart of said connecting rod is hinged through an end of second bearing pin and a plate; The parallel to an axis of said first bearing pin and said second bearing pin and vertical with the projection line of said second connecting rod system on said base plate with said first connecting rod system; The other end of said connecting plate articulates to pivot and said base plate through level, and said level is parallel with the projection line of said second connecting rod system on said base plate to the axial and said first connecting rod system of pivot.
2. the three-dimensional historical relic shock-proof device of band position limitation protection according to claim 1 system is characterized in that: said first connecting rod system and said second connecting rod system also comprise waling stripe, and said waling stripe is hinged through one the 3rd bearing pin and said vertical link.
3. the three-dimensional historical relic shock-proof device of band position limitation protection system according to claim 2, it is characterized in that: said vertical link is for passing through the hinged two-part connecting rod of said the 3rd bearing pin.
4. according to each three-dimensional historical relic shock-proof device of described band position limitation protection system among the claim 1-3, it is characterized in that: said resilient member is helical spring, rubber spring or air spring.
5. the three-dimensional historical relic shock-proof device of band position limitation protection system according to claim 1, it is characterized in that: the lower end of said resilient member is connected with the slide member that can on said base plate, slide.
6. the three-dimensional historical relic shock-proof device of band position limitation protection system according to claim 5, it is characterized in that: said slide member is universal rolling wheel, slide block or ball.
7. the three-dimensional historical relic shock-proof device of band position limitation protection system according to claim 5; It is characterized in that: said resilient member comprise inner sleeve, outer sleeve and be arranged on said inner sleeve and said outer sleeve between helical spring, form gas tight seal between wherein said inner sleeve and the said outer sleeve.
8. the three-dimensional historical relic shock-proof device of band position limitation protection according to claim 1 system is characterized in that: said top board and said base plate be shaped as rectangle, circle or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110365260 CN102401080B (en) | 2011-11-17 | 2011-11-17 | Three-dimensional antique vibration isolation device with limit protection system |
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| CN 201110365260 CN102401080B (en) | 2011-11-17 | 2011-11-17 | Three-dimensional antique vibration isolation device with limit protection system |
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| CN102401080A true CN102401080A (en) | 2012-04-04 |
| CN102401080B CN102401080B (en) | 2013-09-11 |
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| CN103431685A (en) * | 2013-08-09 | 2013-12-11 | 中国航空规划建设发展有限公司 | Constrained damping showcase for vibration control of collections and implementation method thereof |
| CN106930589A (en) * | 2016-09-08 | 2017-07-07 | 中国地震局工程力学研究所 | Three-dimensional shock insulation device with vertical big displacement shock insulation |
| CN107060454A (en) * | 2017-02-21 | 2017-08-18 | 安徽工业大学 | Rod axial laminated rubber steel plate seismic isolation device |
| CN111237383A (en) * | 2020-02-12 | 2020-06-05 | 中国地震局工程力学研究所 | Three-dimensional shock isolation device for cultural relic protection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431685A (en) * | 2013-08-09 | 2013-12-11 | 中国航空规划建设发展有限公司 | Constrained damping showcase for vibration control of collections and implementation method thereof |
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| CN107060454A (en) * | 2017-02-21 | 2017-08-18 | 安徽工业大学 | Rod axial laminated rubber steel plate seismic isolation device |
| CN111237383A (en) * | 2020-02-12 | 2020-06-05 | 中国地震局工程力学研究所 | Three-dimensional shock isolation device for cultural relic protection |
| CN111237383B (en) * | 2020-02-12 | 2020-09-25 | 中国地震局工程力学研究所 | Three-dimensional shock isolation device for cultural relic protection |
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| CN102401080B (en) | 2013-09-11 |
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