CN104088943A - Guide rail type shock isolation device - Google Patents
Guide rail type shock isolation device Download PDFInfo
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- CN104088943A CN104088943A CN201410323943.8A CN201410323943A CN104088943A CN 104088943 A CN104088943 A CN 104088943A CN 201410323943 A CN201410323943 A CN 201410323943A CN 104088943 A CN104088943 A CN 104088943A
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Abstract
The invention discloses a guide rail type shock isolation device. The guide rail type shock isolation device comprises an upper board, a middle board, a bottom board and guide rails. The guide rails comprise transverse guide rails and longitudinal guide rails, the transverse guide rails and the longitudinal guide rails are orthogonal, and the transverse guide rails are fixed to the bottom board and provided with a transverse sliding block which can slide along the transverse guide rails and has the function of drawing resistance. The middle board is fixed to the upper portion of the transverse sliding block and fixedly provided with the longitudinal guide rails. A longitudinal sliding block which can slide along the longitudinal guide rails and has the function of drawing resistance is arranged on the longitudinal guide rails. The upper board is fixed to the upper portion of the longitudinal sliding block and used for bearing objects. Reset springs are horizontally arranged between the upper board and the middle board and between the middle board and the bottom board respectively. The guide rail type shock isolation device not only has the function of isolating shock in any horizontal direction, but also has the shock absorption and energy absorption effects, and can be used for shock absorption and isolation of precious relics or precision equipment.
Description
Technical field
The present invention relates to damping (shaking) shock insulation (shaking) technical field, relate in particular to a kind of guide tracked shock-proof device.
Background technique
The historical relic with important culture, history and artistic value, or some tight equipment preserve or keeping process in to shockproof, there is high requirement, yet in the ordinary course of things, these type of article be take and floated the form of putting as main, are easy to be subject to eaerthquake damage.
In Wenchuan earthquake, Sichuan the whole province has at least provincial file protect unit of 68Chu key historical sites under state protection and 142 places to suffer a loss.World cultural heritage Dujiang weir Li Bing and His Son Shrine architectural complex and the Yun Yan of key historical sites under state protection temple historical and cultural relics large size are caved in, and what do not collapse also all becomes dilapidated house; 1645 of cultural relics in the collection of cultural institution losses, wherein rare cultural relics are 148.Beichuan County literary composition pipe institute cultural relics in the collection of cultural institution is all ruined.
With regard to the present situation of putting historical relic is floated in China's collection, traditional methods such as propping up, glue, block, tie up is main shake-proof technology means.Although they can improve the anti-seismic performance of historical relic to a certain extent, also exist and destroy historical relic, consolidation effect is poor, affects the problems such as outward appearance.Along with the research of vibration control technology in historical relic's protection field, museum constantly makes progress, towards collection is floating, put that antique vibration isolation device is developed and progressively application.The countries such as Japan, the U.S. have developed dissimilar antique vibration isolation device, and are widely used in museum.They are installed in historical relic bottom, by mechanical motion principle, produce function of shock insulation, have shockproof effect good, do not affect the plurality of advantages such as historical relic outward appearance.
Summary of the invention
The object of this invention is to provide a kind of can be used for the protection of historical relic or precision equipment can isolate earthquake horizontal applied force, vertical active force, also there is power consumption effect, can keep article on it to exempt from the shock-proof device of damage.
For achieving the above object, the present invention has adopted following technological scheme:
A guide tracked shock-proof device, comprises upper plate, middle plate, base plate and guide rail; Described guide rail comprises mutually orthogonal cross slide way and longitudinal rail; Cross slide way is fixed on base plate, is provided with and can slides and have the transverse slider of anti-pulling function along cross slide way on cross slide way; Middle plate is fixed on described transverse slider, on middle plate, is fixed with longitudinal rail, is provided with the longitudinal sliding block that guide rail longitudinally slides and has anti-pulling function on longitudinal rail; Upper plate is fixed on described longitudinal sliding block, for bearing article; Between described upper plate and middle plate and between middle plate and base plate, be all horizontally disposed with Returnning spring.
Described guide tracked shock-proof device can also comprise vertical elastic isolated component, and described vertical elastic isolated component can be arranged under base plate, also can be arranged between middle plate and base plate, can also be arranged between upper plate and middle plate; By vertical elastic isolated component is set, so that this device has the performance of three-dimensional isolation.
Described guide tracked shock-proof device can also comprise dissipative cell, and the kinetic energy dissipation that described dissipative cell can produce relatively moving between upper plate and middle plate and/or between middle plate and base plate is also converted into heat energy.
Described guide tracked shock-proof device can also comprise determines power opening device, and when shock effect is less than predetermined force, slide block can not slide by relative orbit, and when shock effect is greater than predetermined force, slide block relative orbit slides.
Described guide tracked shock-proof device can also comprise limiting buffer element, and described limiting buffer element is installed near the extreme displacement of device; Described limiting buffer element is installed near the extreme displacement of slide block with respect to respective carter slip.
Preferably, described dissipative cell is magnet and the conductive plate being individually fixed on two plates that relatively move, and answers line to produce eddy current realize power consumption by magnet and conductive plate cutting magnetic induction; Described two plates that relatively move are upper plate and middle plate or middle plate and base plate; Described conductive plate is conductive copper plate or conduction aluminium sheet.
Preferably, described dissipative cell is the friction pair being arranged between upper plate, middle plate and base plate, and the frictional force by friction pair realizes power consumption, and the size of frictional force can be by regulating the relative pressure of friction pair or changing friction material and realize adjusting.
Preferably, the described power of determining opening device is shear pin; Described shear pin is arranged between upper plate and base plate, or is arranging respectively between upper plate and middle plate and between middle plate and base plate; Described shear pin is the thick middle thin cylindrical structures in two ends; Described shear pin adopts brittle material to make.More preferred, after shear pin ruptures, between the thick cylinder in two ends, still have flexible filament line to connect, the length of flexible filament line meets upper plate and base plate relative deformation requirement; Or shear pin adopts and can, by the iron brittle material of magnet adsorption, after fracture, can change by the mode of magnet adsorption.
Preferably, the guide rail in same direction is set to 1～2, establishes 1～2 slide block on every guide rail.
Preferably, the Returnning spring in same direction is arranged to 2 or 4, and for being arranged symmetrically with.
Preferably, described Returnning spring is Hookean spring or nonlinear spring; Described Returnning spring can be for drawing high state or compressive state when equilibrium position.
Preferably, described vertical elastic isolated component is the different magnet of spring, elastic caoutchouc or polar form.
This device can be used as a part for equipment or cabinet, forms one with the product of damper function together with cabinet or equipment, also can be arranged on floor, forms shock insulation floor.When meeting with earthquake, shock-proof device of the present invention lowers the shaking degree of its article that carry greatly by the straight line motion of vertical and horizontal both direction, makes article on shock-proof device by Earthquake not or shatter and damage.
Beneficial effect of the present invention: (1) this shock-proof device can be decomposed into the straight line motion in longitudinal and transverse two directions by relatively moving of any direction in substantially horizontal, can be by the reset that relatively moves on both direction by Returnning spring; (2) this shock-proof device is except having the shock insulation function of horizontal any direction, also there is damping power consumption effect, compare and also have anti-pulling effect with other shock-proof devices, the bearing material that can effectively prevent from being fixed on upper plate is toppled over and damages under ultimate load; (3) between upper plate and lower plate, shear pin is set, the horizontal shear that shear pin bears is greater than while setting bearing capacity, shear pin generation brittle fracture.
Accompanying drawing explanation
Fig. 1 is the guide tracked shock-proof device embodiment's one of the present invention front elevational schematic.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the sectional drawing of Fig. 1.
Fig. 4 is the guide tracked shock-proof device embodiment's two of the present invention front elevational schematic.
In figure, 1, upper plate; 2, longitudinal sliding block; 3, longitudinal rail; 4, middle plate; 5, base plate; 6, Returnning spring; 7, transverse slider; 8, cross slide way; 9, shear pin; 10, vertical earthquake isolating spring; 11, sole plate; 12, conductive copper plate; 13, permanent magnet; 14, vertical guide rod.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but protection scope of the present invention is not limit by embodiment.
Embodiment one:
As Figure 1-3, a kind of guide tracked shock-proof device, comprises upper plate 1, middle plate 4, base plate 5 and guide rail; Described guide rail comprises mutually orthogonal cross slide way 8 and longitudinal rail 3; Cross slide way 8 is fixed on base plate 5, is provided with and can slides and have the transverse slider 7 of anti-pulling function along cross slide way 8 on cross slide way 8; Middle plate 4 is fixed on described transverse slider 7, on middle plate 4, is fixed with longitudinal rail 3, is provided with the longitudinal sliding block 2 that guide rail longitudinally 3 slides and has anti-pulling function on longitudinal rail 3; Upper plate 1 is fixed on described longitudinal sliding block 2, for bearing article; Between described upper plate 1 and middle plate 4 and between middle plate 4 and base plate 5, be all horizontally disposed with Returnning spring 6.
Between upper plate 1 and middle plate 4 and between middle plate 4 and base plate 5, shear pin 9 is being set respectively; Described shear pin 9 is arranged between upper plate 1 and base plate 5; Described shear pin 9 is the thick middle thin cylindrical structures in two ends; Described shear pin 9 adopts brittle material to make; The horizontal shear of bearing when shear pin 9 is greater than while setting bearing capacity, and shear pin 9, in thinner intermediate portion, brittle fracture occurs.
The working procedure of the guide tracked shock-proof device of brief description the present invention: when earthquake occurs in the area at protected article place; base plate produces rocking in substantially horizontal with ground or floor plates face; the relative sliding that moves through cross slide way slide-block mechanism and longitudinal rail slide-block mechanism in this substantially horizontal reduces the motion of the relative earthquake of upper plate greatly, and seismic shock is reduced greatly to the vibration influence of the item to be protected carrying on upper plate.Left and right by the Returnning spring on both direction resets in time simultaneously.The natural frequency of the spring mass system that wherein quality of Returnning spring and be reset structure and article forms has been avoided the Main Function frequency range of earthquake, within the scope of the 0.1-0.5Hz that general natural frequency is located at.
Embodiment two:
The guide tracked shock-proof device of the present embodiment, except having with same each member arranging of embodiment one, is also provided with vertical elastic isolated component and dissipative cell.As shown in Figure 4, under base plate 5, be provided with vertical earthquake isolating spring 10, vertical guide rod 14 and sole plate 11; At the bottom of middle plate, be provided with conductive copper plate 12, at base plate 5 top corresponding positions, be provided with permanent magnet 13.
The working procedure of the guide tracked shock-proof device of brief description the present invention: when earthquake occurs in the area at protected article place, sole plate is with ground, floor plates face produce together in substantially horizontal and vertical direction on vibrations, the relative sliding isolation that moves through cross slide way slide-block mechanism and longitudinal rail slide-block mechanism in this substantially horizontal, the isolation that moves up and down that moves through vertical guide rod and Vertical Spring on vertical direction, thereby the motion of the relative earthquake of upper plate is reduced greatly, seismic shock is reduced greatly to the vibration influence of the item to be protected carrying on upper plate.Left and right by the Returnning spring in all directions resets in time simultaneously.The natural frequency of the spring mass system that wherein quality of Returnning spring and be reset structure and article forms has been avoided the Main Function frequency range of earthquake, within the scope of the 0.1-0.5Hz that general natural frequency is located at.Relatively moving between plate face drives the relative movement between permanent magnet and conductive copper plate, thereby can on copper coin, produce the electric convolution that inhibition relatively moves, and consumed energy, forms larger electromagnetic damping.By regulating the thickness of copper coin and the size of the distance adjustment damping force between permanent magnet and copper coin.
Claims (10)
1. a guide tracked shock-proof device, comprises upper plate (1), middle plate (4), base plate (5) and guide rail; Described guide rail comprises mutually orthogonal cross slide way (8) and longitudinal rail (3); It is upper that cross slide way (8) is fixed on base plate (5), is provided with and can slides and have the transverse slider (7) of anti-pulling function along cross slide way (8) on cross slide way (8); Middle plate (4) is fixed on described transverse slider (7), is fixed with longitudinal rail (3) on middle plate (4), is provided with the longitudinal sliding block (2) that guide rail (3) longitudinally slides and has anti-pulling function on longitudinal rail (3); Upper plate (1) is fixed on described longitudinal sliding block (2), for bearing article; It is characterized in that: between described upper plate (1) and middle plate (4) and between middle plate (4) and base plate (5), be all horizontally disposed with Returnning spring (6).
2. guide tracked shock-proof device according to claim 1, it is characterized in that: also comprise vertical elastic isolated component, described vertical elastic isolated component can be arranged under base plate (5), also can be arranged between middle plate (4) and base plate (5), can also be arranged between upper plate (1) and middle plate (4).
3. guide tracked shock-proof device according to claim 1 and 2, it is characterized in that: also comprise dissipative cell, described dissipative cell can be by the kinetic energy dissipation that relatively moves between upper plate (1) and middle plate (4) and/or between middle plate (4) and base plate (5) and produce.
4. guide tracked shock-proof device according to claim 3, is characterized in that: described dissipative cell is magnet and the conductive plate being individually fixed on two plates that relatively move, and answers line to produce eddy current realize power consumption by magnet and conductive plate cutting magnetic induction; Described two plates that relatively move are upper plate (1) and middle plate (4) or middle plate (4) and base plate (5); Described conductive plate is conductive copper plate or conduction aluminium sheet.
5. guide tracked shock-proof device according to claim 3, it is characterized in that: described dissipative cell is for being arranged on the friction pair between upper plate (1), middle plate (4) and base plate (5), frictional force by friction pair realizes power consumption, and the size of frictional force can be by regulating the relative pressure of friction pair or changing friction material and realize adjusting.
6. guide tracked shock-proof device according to claim 1 and 2, it is characterized in that: also comprise and determine power opening device, when shock effect is less than predetermined force, slide block can not slide by relative orbit, when shock effect is greater than predetermined force, slide block relative orbit slides.
7. guide tracked shock-proof device according to claim 6, is characterized in that: the described power of determining opening device is shear pin (9); Described shear pin (9) is arranged between upper plate (1) and base plate (5), or is arranging respectively between upper plate (1) and middle plate (4) and between middle plate (4) and base plate (5); Described shear pin (9) is the thick middle thin cylindrical structures in two ends; Described shear pin (9) adopts brittle material to make.
8. guide tracked shock-proof device according to claim 1 and 2, is characterized in that: also comprise limiting buffer element, described limiting buffer element is installed near the extreme displacement of device.
9. guide tracked shock-proof device according to claim 1 and 2, is characterized in that: the guide rail in same direction is set to 1～2, establishes 1～2 slide block on every guide rail.
10. guide tracked shock-proof device according to claim 1 and 2, is characterized in that: the Returnning spring in same direction is arranged to 2 or 4, and for being arranged symmetrically with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410323943.8A CN104088943B (en) | 2014-07-09 | 2014-07-09 | A kind of guide tracked shock-proof device |
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| CN201410323943.8A CN104088943B (en) | 2014-07-09 | 2014-07-09 | A kind of guide tracked shock-proof device |
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| CN104088943A true CN104088943A (en) | 2014-10-08 |
| CN104088943B CN104088943B (en) | 2016-04-27 |
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| CN104332858A (en) * | 2014-10-28 | 2015-02-04 | 成都峰达科技有限公司 | Power distribution apparatus supporting fixing device |
| CN104676122A (en) * | 2015-02-17 | 2015-06-03 | 沈阳工业大学 | Three-direction impact-resistant support and hanger |
| CN105128942A (en) * | 2015-06-30 | 2015-12-09 | 广东嘉腾机器人自动化有限公司 | Damping device and AGV frame using same |
| CN105402310A (en) * | 2015-12-08 | 2016-03-16 | 芜湖多维减震技术有限公司 | Sliding trolley type shock insulation stand seat and shock insulation method thereof |
| CN105402309A (en) * | 2015-11-16 | 2016-03-16 | 浙江大学 | Cultural relic shock-proof device adopting hybrid shock-absorbing technology |
| CN105605147A (en) * | 2016-01-29 | 2016-05-25 | 佛山市百安居减震科技有限公司 | Shock-insulating elastic returning mechanism with preset starting load and start-control shock insulating equipment with preset starting load |
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| CN106594170A (en) * | 2016-11-08 | 2017-04-26 | 浙江大学 | Active-passive hybrid seismic control method for cultural relic and free-standing platform |
| CN106594171A (en) * | 2017-01-04 | 2017-04-26 | 国网江苏省电力公司经济技术研究院 | Earthquake isolation device for control cabinet type electrical equipment |
| CN106759926A (en) * | 2016-12-07 | 2017-05-31 | 北京工业大学 | The tensile shock isolation device that a kind of chute is combined with cross guide rail |
| CN106931065A (en) * | 2016-09-08 | 2017-07-07 | 中国地震局工程力学研究所 | Three-dimensional shock isolation pedestal comprising magnet arrangement |
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| CN112323981A (en) * | 2020-10-28 | 2021-02-05 | 中国矿业大学(北京) | Direction-changeable guide rail type supporting structure capable of resisting three-dimensional movement deformation |
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| CN106931065A (en) * | 2016-09-08 | 2017-07-07 | 中国地震局工程力学研究所 | Three-dimensional shock isolation pedestal comprising magnet arrangement |
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| CN106594170A (en) * | 2016-11-08 | 2017-04-26 | 浙江大学 | Active-passive hybrid seismic control method for cultural relic and free-standing platform |
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| EP3517803A1 (en) | 2018-01-30 | 2019-07-31 | Pantecnica S.p.A. | Device for insulating and/or dampening vibrations generated by a vibrating apparatus provided with means for attenuating the effects of a seismic event |
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| CN111365407A (en) * | 2020-04-21 | 2020-07-03 | 绵阳师范学院 | Cultural relic placing shock-proof device |
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| CN111536192B (en) * | 2020-05-19 | 2021-11-30 | 中国航空规划设计研究总院有限公司 | Single-rail cross-arranged cultural relic shockproof device |
| CN112323981A (en) * | 2020-10-28 | 2021-02-05 | 中国矿业大学(北京) | Direction-changeable guide rail type supporting structure capable of resisting three-dimensional movement deformation |
| CN113124094A (en) * | 2021-04-13 | 2021-07-16 | 西安航天动力技术研究所 | Low-cost linear guide rail type light shock isolation device |
| CN114869118A (en) * | 2022-05-20 | 2022-08-09 | 洛阳瑞宝文保设施科技有限公司 | Museum showcase chassis with multidirectional displacement and use method thereof |
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| CN104088943B (en) | 2016-04-27 |
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