CN111140726A - Three-dimensional shock insulation pedestal - Google Patents
Three-dimensional shock insulation pedestal Download PDFInfo
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- CN111140726A CN111140726A CN202010095358.2A CN202010095358A CN111140726A CN 111140726 A CN111140726 A CN 111140726A CN 202010095358 A CN202010095358 A CN 202010095358A CN 111140726 A CN111140726 A CN 111140726A
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- plate
- pedestal
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 230000035939 shock Effects 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 58
- 239000010959 steel Substances 0.000 claims abstract description 58
- 238000002955 isolation Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 43
- 238000001179 sorption measurement Methods 0.000 claims description 21
- 238000005452 bending Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 23
- 230000006378 damage Effects 0.000 abstract description 14
- 239000000945 filler Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a three-way shock insulation pedestal, which comprises: a bottom groove; the movable groove is arranged on the bottom groove and can slide on the bottom groove; the horizontal shock insulation device is arranged between the movable groove and the bottom groove and comprises a steel rod, the steel rod penetrates through the movable groove, and two ends of the steel rod are fixed on opposite side plates of the bottom groove; the top pedestal is arranged at the top of the movable groove, and a closable device is arranged at the top of the top pedestal; and the vertical shock isolation device is arranged between the bottom end of the top pedestal and the bottom plate of the movable groove. Through the technical scheme of the invention, the damage to non-structural components (such as a suspended ceiling, a lamp tube, a filler wall and the like) in a house caused by secondary disasters is effectively prevented, and the seismic isolation and reduction effect is realized on both horizontal seismic action and vertical seismic action, so that the overturning of a structure with a larger height-to-width ratio, such as a cultural relic or an equipment pedestal, under the action of stronger horizontal seismic motion can be avoided, and the aim of comprehensively protecting important equipment or cultural relics in the earthquake can be better realized.
Description
Technical Field
The invention relates to the technical field of engineering structure shock absorption equipment, in particular to a three-way shock insulation pedestal.
Background
China is located between the European Asia seismic zone and the Pacific seismic zone and is one of the most serious countries in the world suffering from earthquake hazards. Great casualties and economic losses were caused by both the earthquake in Tangshan in 1976 and the earthquake in Wenchuan 2008. With the rapid development of the economy and the rapid promotion of urbanization construction in China, a large amount of national wealth is concentrated to cities and urban areas. More than one third of established or proposed urban groups in China are located in areas where major earthquakes of 7 grades or more may occur. Economic losses and casualties caused by the destruction of urban structures, equipment and cultural relics in the collection will have a huge impact on national integrity, historical culture and social stability. Earthquake disasters are sudden and destructive, which brings great challenges to rescue and protection work of equipment and cultural relics during earthquake. In 2015, the nepal earthquake causes a plurality of historical historic trails to be leveled into the ground, and the valuable historical relics are destroyed, which gives a police clock to the relic protection work.
At present, the base for storing equipment and cultural relics is provided with a shock isolation device to change the self-vibration period of the base, so that the excellent period of an earthquake is avoided, and the damage of the equipment and the cultural relics under the action of the earthquake is reduced. The traditional seismic isolation and reduction devices aim at reducing the horizontal seismic action, but the actual earthquake damage shows that the influence of a vertical earthquake on an object is sometimes not negligible, and under the action of some near-field earthquakes, the vertical seismic action even exceeds the horizontal seismic action. Most of the existing three-way shock insulation supports are complex in structure, and the influence of secondary disasters cannot be considered simultaneously in the invention disclosed at present. It is known that the action of earthquake can cause not only the destruction of equipment and cultural relics but also the destruction of building construction. Even the existence of the shock insulation support in the pedestal can avoid the damage of equipment and cultural relics, the equipment and the cultural relics on the pedestal can be greatly threatened due to the collapse of a house or the falling and collapse of non-structural components such as a suspended ceiling and a filler wall.
In addition, the physical piezoelectric effect means that some crystalline materials can generate electric charge or voltage under pressure. The piezoelectric positive effect means that when a piezoelectric material deforms under the action of an external force, positive and negative charge centers in the material move relatively to generate electric polarization, so that bound charges with opposite signs appear on two action surfaces of the piezoelectric material.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the invention aims to provide the three-way shock insulation pedestal which can effectively avoid the influence of secondary disasters on equipment or cultural relics and can simultaneously reduce shock insulation and absorb energy in the vertical and horizontal directions.
In order to achieve the above object, the technical solution of the present invention provides a three-way shock-insulation pedestal, comprising: a bottom groove; the movable groove is arranged on the bottom groove and can slide on the bottom groove; the horizontal shock insulation device is arranged between the movable groove and the bottom groove and comprises a steel rod, the steel rod penetrates through the movable groove, and two ends of the steel rod are fixed on opposite side plates of the bottom groove; the top pedestal is arranged at the top of the movable groove; and the vertical shock isolation device is arranged between the bottom end of the top pedestal and the bottom plate of the movable groove.
In this scheme, horizontal shock isolation device and vertical shock isolation device mutually support, all have to subtract the shock insulation effect to vertical seismic action and horizontal seismic action, have reached and have considered horizontal seismic action to prevent important equipment and historical relic of vertical seismic action again and provide the purpose that subtracts the shock insulation protection.
The kerve passes through the crab-bolt to be fixed subaerial, and movable recess comprises bottom plate and four sides curb plate, and the bottom plate bottom surface of movable recess is through polishing processing can freely slide on the kerve, reduces frictional force, and kerve and movable recess are constituteed by the material of texture hard, and the power that the spring transmitted during the earthquake generally can not make kerve and movable recess curb plate self produce the deformation.
Preferably, the horizontal seismic isolation apparatus further comprises: the steel plate is sleeved on the steel rod; the horizontal high-strength spring is sleeved on the steel rod, one end of the horizontal high-strength spring is fixedly connected to the side plate of the bottom groove, and the other end of the horizontal high-strength spring is fixedly connected to the steel plate; and the horizontal piezoelectric plate is sleeved on the steel rod and arranged between the steel plate and the side plate of the movable groove.
In this scheme, set up horizontal high-strength spring, horizontal piezoelectric plate etc. among the horizontal shock isolation device, absorb seismic energy through spring and piezoelectric material, further alleviateed the vibration of pedestal to be favorable to protecting important equipment, historical relic etc. has the shock attenuation isolation effect to horizontal earthquake effect.
Preferably, steel rods are arranged between two groups of opposite side plates of the bottom groove, the steel rods are arranged in the middle of the side plates, and an upper steel rod and a lower steel rod are arranged at intervals in the same horizontal direction; horizontal high-strength springs are sleeved on the steel rods between the four side plates of the movable groove and the four side plates of the bottom groove, a horizontal piezoelectric plate and a steel plate are sleeved on the steel rods in the same horizontal direction, and the horizontal piezoelectric plate and the steel plate are arranged on the outer side of any one side plate opposite to the movable groove.
In this scheme, through two upper and lower steel poles of interval setting on same horizontal direction to the cooperation sets up horizontal high-strength spring, horizontal piezoelectric plate and steel sheet, constitutes the antidumping system, can effectively reduce the great structure of this aspect ratio of pedestal and take place to topple under stronger horizontal earthquake effect through adopting the antidumping system, thereby realizes the purpose of protection important equipment and historical relic when the earthquake takes place better.
Preferably, the vertical seismic isolation device includes: one end of the vertical high-strength spring is fixedly connected to the bottom plate of the movable groove, and the other end of the vertical high-strength spring is vertically downwards fixedly connected to the bottom surface of the top pedestal; 4 vertical high-strength springs are arranged and symmetrically distributed at four corners of the movable groove.
In this scheme, set up 4 vertical high-strength springs among the vertical shock isolation device, vertical high-strength spring distributes in four angle departments of movable recess symmetrically, can consume through the spring and absorb partly seismic energy, has not only further alleviateed the vibration of pedestal to be favorable to protecting important equipment, historical relic etc. and the equilibrium performance is better moreover, has the seismic reduction and isolation effect to vertical seismic action, has prevented the destruction of vertical seismic action to equipment, historical relic etc. to a certain extent.
Preferably, the bottom of the top stage is provided with a vertical layer of piezoelectric material and the top of the top stage is provided with a closable device.
In this scheme, through piezoelectric material absorption seismic capacity, alleviate the vibrations of pedestal, further protected important setting, historical relic etc. through setting up closeable device, can be when the earthquake takes place, close important equipment, historical relic etc. of placing on the pedestal of top, avoided to a certain extent because of the security threat to its constitution of secondary disasters such as the destruction of non-structural component (furred ceiling, fluorescent tube, infilled wall etc.) in the house to better realization protects the purpose of important equipment and historical relic when the earthquake takes place.
Preferably, the top of the top stand is spherical and the closable means comprises: the arc-shaped slide ways are arranged on the periphery of the top pedestal and close to the edges, and are formed by downwards concave edges of the top surface of the top pedestal, and the bending radian of the arc-shaped slide ways is the same as that of the top pedestal; the adjustable stop rod component is arranged below the top surface of the top pedestal, and is connected with the horizontal piezoelectric plate and the vertical piezoelectric material layer through leads respectively; the supporting spring and the sliding cover plate which are arranged in a matched mode are arranged in the arc-shaped slide way, the supporting spring is arranged at the bottom of the arc-shaped slide way, when the adjustable stop lever assembly blocks the top end of the arc-shaped slide way, the supporting spring is compressed, the top end of the supporting spring is in contact with the sliding cover plate, and when the adjustable stop lever assembly is moved away from the top end of the arc-shaped slide way, the sliding cover plate is popped out.
In the scheme, an arc-shaped slide way is dug at the top spherical surface of the top pedestal close to the edge, a supporting spring and a sliding cover plate are sequentially placed in the arc-shaped slide way from bottom to top, the sliding cover plate can slide in the arc-shaped slide way, when an adjustable stop lever component is stopped above the sliding cover plate under normal conditions, the sliding cover plate is prevented from sliding under the action of the elastic force of the supporting spring, when an earthquake occurs, a horizontal piezoelectric plate and/or a vertical piezoelectric material layer deform, a coil is electrified due to the electric energy generated by the piezoelectric effect, meanwhile, a central adsorption rod generates adsorption force due to the existence of a magnetic field, so that the adjustable stop lever component moves away from the upper part of the sliding cover plate, the sliding cover plate is popped out, a closed space is formed to protect equipment or cultural relics placed above the top surface of the top pedestal, and the safety threat to the constitution of secondary disasters such as the damage of non-structural components, therefore, the purpose of protecting important equipment and cultural relics when an earthquake occurs is better achieved.
Preferably, the sliding cover plate is composed of two symmetrical curved plates, and the bending radian of the sliding cover plate is the same as that of the arc-shaped slide way.
In this scheme, the sliding cover plate comprises two symmetrical curved plates, and the sliding cover plate is the same with the crooked radian size of arc slide, is favorable to ensuring that the sliding cover plate can freely slide in the arc slide.
The sliding cover plate is generally made of a material with high strength and high rigidity, and common non-structural components (such as a suspended ceiling, a lamp tube, a filling wall and the like) are guaranteed not to be obviously deformed and damaged when being hit down.
Preferably, the adjustable bar assembly comprises: the sliding chute is arranged in the middle position below the top surface of the top pedestal; the central adsorption rod is fixedly arranged in the sliding groove, a coil is wound on the circumferential surface of the central adsorption rod, and the coil is respectively connected with the horizontal piezoelectric plate and the vertical piezoelectric material layer through leads; the two sliding stop rods are respectively arranged at the two ends of the sliding chute, when the sliding stop rods are positioned at the outermost side of the sliding chute, one end of each sliding stop rod is positioned in the sliding chute, the other end of each sliding stop rod penetrates through the top surface of the arc-shaped slideway and is arranged in the corresponding groove to stop the top end of the arc-shaped slideway, and the sliding cover plate is positioned in the arc-shaped slideway; when an earthquake occurs, the positive and negative charges of the horizontal piezoelectric plate and/or the vertical piezoelectric material layer are separated to electrify the coil, the central adsorption rod generates a magnetic field to adsorb the sliding stop rod to move towards the sliding groove from the outermost side of the sliding groove, the sliding stop rod is moved away from the top end of the arc-shaped slideway, the sliding cover plate is popped up, the groove is formed in the peripheral side face of the top pedestal, and the groove and the sliding groove are located on the same horizontal plane.
In the scheme, a sliding chute, a central adsorption rod and a sliding stop rod are arranged in a matching manner, a coil is wound on the circumferential surface of the central adsorption rod, after the coil is electrified due to mechanical deformation of a horizontal piezoelectric plate and/or a vertical piezoelectric material layer, the central adsorption rod can generate a strong magnetic field, so that the sliding stop rods on two sides are adsorbed, the sliding stop rods are stopped above a sliding cover plate when the sliding stop rods are normally used, the sliding cover plate is prevented from sliding under the elastic force action of a supporting spring, when an earthquake occurs, the horizontal piezoelectric plate and/or the vertical piezoelectric material layer are mechanically deformed, the coil is electrified due to the piezoelectric effect, the central adsorption rod generates a magnetic field, the sliding stop rods above the sliding cover plate are attracted to move towards the middle along the sliding chute, the sliding stop rods above the sliding cover plate are sucked away, the sliding cover plate slides under the elastic force action of the supporting spring, and a closed space is formed by the two symmetrical sliding cover plates after sliding to form a protection for equipment or cultural Therefore, the purpose of protecting important equipment and cultural relics when an earthquake occurs is better achieved.
The sliding stop lever and the central adsorption lever are both made of iron rods, and the inner wall of the sliding chute is coated with a material easy to slide, so that the sliding resistance of the sliding stop lever is reduced, such as graphite powder and the like.
Preferably, the three-way seismic isolation pedestal further comprises: the self-resetting support leg is arranged on one side inside the arc-shaped slideway, the self-resetting support leg is positioned at the top of the arc-shaped slideway, and the position of the self-resetting support leg is higher than the middle position of the sliding cover plate when the sliding cover plate is completely positioned in the arc-shaped slideway.
In this scheme, set up from the stabilizer blade that restores to the throne and be favorable to propping the sliding cover board and form the enclosure space after the sliding cover board pops out, form the protection to equipment or historical relic that top pedestal top surface was placed.
Preferably, the three-way seismic isolation pedestal further comprises: and the lead wire accommodating device is arranged on the inner side of the side plate of the movable groove adjacent to the horizontal piezoelectric plate and is used for accommodating a connecting lead wire of the horizontal piezoelectric plate and the coil.
In this scheme, set up the connecting wire that horizontal piezoelectric plate and coil can be accomodate to wire storage device, can reserve the wire of sufficient length in wire storage device inside to when the top pedestal vibrates from top to bottom, the wire can not broken by the stretch.
Through above technical scheme, set up horizontal piezoelectric plate and vertical piezoelectric material layer, utilize piezoelectric material's piezoelectric effect, in the twinkling of an eye that the earthquake takes place, the slip apron can be bounced fast, seals equipment, historical relic, prevents because the destruction of non-structural member (furred ceiling, fluorescent tube, infilled wall etc.) in the house secondary disasters such as destruction to it. Meanwhile, the horizontal high-strength spring and the vertical high-strength spring are arranged, the seismic isolation effect is achieved on both the horizontal seismic effect and the vertical seismic effect, and when an earthquake occurs, the springs and the piezoelectric material can consume and absorb a part of energy, so that the purpose of providing seismic isolation protection for important equipment or cultural relics which need to prevent both the horizontal seismic effect and the vertical seismic effect is achieved. The horizontal shock isolation device is provided with a counter-force couple for the overturning of the structure by the upper steel rod and the lower steel rod in each direction, the phenomenon that the structure with a larger height-width ratio, such as a cultural relic or an equipment pedestal, is overturned under the action of stronger horizontal earthquake motion can be avoided, and therefore the purpose of comprehensively protecting important equipment or cultural relics when an earthquake occurs is better achieved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a three-way seismic isolation pedestal according to an embodiment of the invention in a state that a sliding cover plate is not ejected;
FIG. 2 is a schematic structural diagram of a three-way seismic isolation pedestal according to an embodiment of the invention in a state where a sliding cover plate is popped up;
FIG. 3 is a schematic overall cross-sectional view of a three-way seismic isolation pedestal according to one embodiment of the invention in a state where the sliding cover plate is not ejected;
FIG. 4 is a schematic overall cross-sectional view of a three-way seismic isolation pedestal according to one embodiment of the invention in a state where the sliding cover is popped up;
FIG. 5 is a schematic structural view of a horizontal seismic isolation device of a three-way seismic isolation pedestal according to an embodiment of the invention;
FIG. 6 shows a schematic cross-sectional view of a top stage of a three-way seismic isolation stage according to one embodiment of the invention;
FIG. 7 shows an enlarged partial view of wire connections at the top pedestal vertical piezoelectric material layer of a three-way seismic isolation pedestal according to one embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of a wire connection at a horizontal piezoelectric plate of a horizontal seismic isolation apparatus according to an embodiment of the present invention;
FIG. 9 shows a schematic view of the internal structure of a wire containment device according to one embodiment of the invention;
FIG. 10 shows an enlarged partial view of the self-resetting foot in the un-sprung state of the sliding cover, according to one embodiment of the invention;
figure 11 shows a close-up view of a self-resetting foot in a state where the sliding cover is ejected according to one embodiment of the present invention,
wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to 11 is:
1-bottom groove, 2-steel rod, 3-horizontal high-strength spring, 4-steel plate, 5-horizontal piezoelectric plate, 6-movable groove, 7-vertical high-strength spring, 8-top pedestal, 9-vertical piezoelectric material layer, 10-upper lead, 11-lower lead, 12-lead containing device, 13-arc slideway, 14-support spring, 15-sliding cover plate, 16-sliding stop rod, 17-central adsorption rod, 18-coil, 19-sliding groove, 20-self-resetting support leg, 21-adjustable stop rod component, 22-closable device and 23-groove.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A three-way seismic isolation mount according to an embodiment of the present invention will be specifically described below with reference to fig. 1 to 11.
As shown in fig. 1 to 4, the three-way seismic isolation pedestal includes a bottom tank 1, a horizontal seismic isolation device, a movable groove 6, a vertical seismic isolation device, and a top pedestal 8. The bottom groove 1 is fixed on the ground through an anchor bolt; the movable groove 6 is placed on the bottom groove 1, and the bottom surface of the movable groove is polished so as to freely slide on the bottom groove 1 to reduce friction; the horizontal shock insulation device is arranged between the movable groove 6 and the bottom groove 1 and comprises a steel rod 2, the steel rod 2 penetrates through the movable groove 6, and two ends of the steel rod 2 are fixed on opposite side plates of the bottom groove 1; a top pedestal 8 arranged on the top of the movable groove 6; and the vertical shock isolation device is arranged between the bottom end of the top pedestal 8 and the bottom plate of the movable groove 6. The bottom groove 1 and the movable groove 6 are both made of hard materials, and the force transmitted by the spring during earthquake does not generally cause the deformation of the side plates of the bottom groove 1 and the movable groove 6.
As shown in fig. 5, the horizontal seismic isolation device comprises a steel rod 2, a horizontal high-strength spring 3, a steel plate 4 and a horizontal piezoelectric plate 5; the steel rods 2 are all two about two in two horizontal directions, and both ends of the steel rods are all fixed on opposite side plates of the bottom groove 1, horizontal high-strength springs 3 are sleeved on the upper layer of steel rods 2 and the lower layer of steel rods 2 between four side plates of the movable groove 6 and four side plates of the bottom groove 1, steel plates 4 and horizontal piezoelectric plates 5 are respectively placed between the horizontal high-strength springs 3 on one side of the two horizontal directions and the movable groove 6, and the steel plates 4 and the horizontal piezoelectric plates 5 are all punched at the positions of the steel rods 2 to enable the steel rods 2 to penetrate.
As shown in fig. 3 and 4, the vertical shock isolation device includes 4 vertical high-strength springs 7, the vertical high-strength springs 7 are symmetrically distributed at four corners of the movable groove 6, one end of each vertical high-strength spring 7 is fixed to the bottom plate of the movable groove 6, and the other end of each vertical high-strength spring is fixed to the bottom surface of the top pedestal 8, and the number of the vertical high-strength springs is 4, and the vertical high-strength springs are symmetrically arranged near four corners of the movable groove 6.
As shown in fig. 1 to 4 and 6, the top of the top pedestal 8 is made into a spherical surface shape, a closable device 22 is provided, the vertical piezoelectric material layer 9 is placed at the bottom, the closable device 22 includes that an arc-shaped slideway 13 is dug out near the edge of the top spherical surface of the top pedestal 8, a supporting spring 14 and a sliding cover plate 15 are sequentially placed in the arc-shaped slideway 13 from bottom to top, the bending radians of the sliding cover plate 15, the arc-shaped slideway 13 and the top spherical surface of the top pedestal 8 are the same, the adjustable stop lever assembly 21 is further included and is arranged below the top surface of the top pedestal 8, and the adjustable stop lever assembly 21 is connected with the horizontal piezoelectric plate 5 and the vertical piezoelectric material layer 9 through wires respectively.
In the scheme, an arc-shaped slide way 13 is dug at the top spherical surface of the top pedestal 8 close to the edge, a supporting spring 14 and a sliding cover plate 15 are sequentially placed in the arc-shaped slide way 13 from bottom to top, the sliding cover plate 15 can slide in the arc-shaped slide way 13, when the adjustable stop lever assembly 21 is stopped above the sliding cover plate 15 under normal conditions, the sliding cover plate 15 is prevented from sliding under the elastic force action of the supporting spring 14, when an earthquake occurs, the horizontal piezoelectric plate 5 and/or the vertical piezoelectric material layer 9 deform, the coil 18 is electrified due to the electric energy generated by the piezoelectric effect, meanwhile, the central adsorption rod 17 generates adsorption force due to the existence of a magnetic field, so that the adjustable stop lever assembly 21 moves away from the top of the sliding cover plate 15, the sliding cover plate 15 is popped up, a closed space is formed to protect equipment or cultural relics placed above the top surface of the top pedestal 8, and non-structural components (, Lamp tubes, filling walls and the like) and the like, thereby better realizing the purpose of protecting important equipment and cultural relics when an earthquake occurs.
The sliding cover plate 15 is composed of two symmetrical curved plates, and the size of the curvature of the sliding cover plate 15 is the same as that of the arc slideway 13.
The sliding cover plate 15 is composed of two symmetrical curved plates, the size of the curvature radian of the sliding cover plate 15 is the same as that of the arc-shaped slideway 13, and the sliding cover plate 15 can be guaranteed to freely slide in the arc-shaped slideway 13.
The sliding cover 15 is generally made of a material with high strength and high rigidity, so that common non-structural components (such as a suspended ceiling, a lamp tube, a filling wall and the like) are guaranteed not to be obviously deformed and damaged when being hit down.
As shown in fig. 3, 4 and 6 to 8, the adjustable bar assembly 21 includes: a chute 19 provided at a middle position below the top surface of the top pedestal 8; the central adsorption rod 17 is fixedly arranged in the sliding groove 19, a coil 18 is wound on the circumferential surface of the central adsorption rod 17, and the coil 18 is respectively connected with the horizontal piezoelectric plate 5 and the vertical piezoelectric material layer 9 through leads; the two sliding stop rods 16 are respectively arranged at the two ends of the sliding chute 19, when the sliding stop rods 16 are positioned at the outermost side of the sliding chute 19, one end of each sliding stop rod 16 is positioned in the sliding chute 19, the other end of each sliding stop rod 16 penetrates through the top surface of the arc-shaped slideway 13 and is arranged in the groove 23 to stop the top end of the arc-shaped slideway 13, and the sliding cover plate 15 is positioned in the arc-shaped slideway 13; when an earthquake occurs, the positive and negative charges of the horizontal piezoelectric plate 5 and/or the vertical piezoelectric material layer 9 are separated, so that the coil 18 is electrified, the central adsorption rod 17 generates a magnetic field to adsorb the sliding stop rod 16 to move towards the sliding stop rod from the outermost side of the sliding groove 19, the sliding stop rod 16 moves away from the top end of the arc-shaped slideway 13, the sliding cover plate 15 is ejected, the groove is formed in the peripheral side face of the top pedestal 8, and the groove 23 and the sliding groove 19 are located on the same horizontal plane.
In this embodiment, the sliding slot 19, the central absorption rod 17 and the sliding stop rod 16 are cooperatively arranged, the coil 18 is wound on the circumferential surface of the central absorption rod 17, when the coil 18 is energized due to the mechanical deformation of the horizontal piezoelectric plate 5 and/or the vertical piezoelectric material layer 9, the central absorption rod 17 can generate a strong magnetic field, so as to absorb the sliding stop rods 16 on both sides, the sliding stop rod 16 is stopped above the sliding cover plate 15 when in normal use, the sliding cover plate 15 is prevented from sliding under the elastic force of the support spring 14, when an earthquake occurs, the horizontal piezoelectric plate 5 and/or the vertical piezoelectric material layer 9 is mechanically deformed, the coil 18 is energized due to the piezoelectric effect, the central absorption rod 17 generates a magnetic field, the sliding stop rod 16 above the sliding cover plate 15 is attracted to move towards the middle along the sliding slot 19, i.e. the sliding stop rod 16 above the sliding cover plate 15 is absorbed, the sliding cover plate 15 slides under the elastic force of the support spring 14, the two symmetrical sliding cover plates 15 form a closed space after sliding to protect equipment or cultural relics placed above the top surface of the top pedestal 8, so that the purpose of protecting important equipment and cultural relics in earthquake occurrence is better achieved.
The sliding stop lever 16 and the central absorption lever 17 are made of iron rods, and the inner wall of the sliding groove 19 is coated with a slippery material to reduce the sliding resistance of the sliding stop lever 16, such as graphite powder and the like.
As shown in fig. 10 and 11, the three-way seismic isolation pedestal further includes: the self-resetting support leg 20 is arranged on one side inside the arc-shaped slideway 13, the self-resetting support leg 20 is located at the top of the arc-shaped slideway 13, and the position of the self-resetting support leg 20 is higher than the middle position of the sliding cover plate 15 when the sliding cover plate is completely located in the arc-shaped slideway 13.
In this embodiment, the self-resetting support legs 20 are provided to support the sliding cover 15 after the sliding cover 15 is ejected to form a closed space, so as to protect the equipment or cultural relics placed on the top surface of the top pedestal 8.
As shown in fig. 3, 4 and 9, the three-way seismic isolation pedestal further includes: and a wire housing device 12 disposed inside the side plate of the movable recess 6 adjacent to the horizontal piezoelectric plate 5 and housing a connecting wire between the horizontal piezoelectric plate 5 and the coil 18.
In this embodiment, the lead storage device 12 is arranged to store the connecting lead of the horizontal piezoelectric plate 5 and the coil 18, and a lead with a sufficient length can be reserved inside the lead storage device 12, so that the lead is not broken when the top pedestal 8 vibrates up and down.
When in normal use, the supporting spring 14 is in a compressed state, the resilience force of the supporting spring 14 is enough to push the sliding cover plate 15 to the top end, and the sliding stop lever 16 is arranged at the outermost side of the sliding groove 19 to limit the upward movement of the sliding cover plate 15; when a vertical earthquake happens, the vertical vibration of the top pedestal 8 causes the vertical piezoelectric material layer 9 to rapidly deform in a short time, so that electric energy is generated on the upper surface and the lower surface of the vertical piezoelectric material layer 9 and is transmitted to the coil 18 on the upper part through the upper lead 10, as shown in fig. 7, when the coil 18 is powered on, the central adsorption rod 17 generates a magnetic field to adsorb the sliding stop rod 16 to move towards the sliding stop rod from the edge of the sliding chute 19, and the inner wall of the sliding chute 19 is coated with a slippery material, such as graphite powder, so that the sliding resistance of the sliding stop rod 16 is reduced. The lower lead 11 is reserved with enough length in the movable chute 19 and is placed in the lead storage device 12, as shown in fig. 9, so that the electric wire cannot be broken when the top pedestal 8 vibrates up and down; when a horizontal earthquake acts, the horizontal vibration of the horizontal high-strength spring 3 causes the horizontal piezoelectric plate 5 to be rapidly deformed in a short time, so that electric energy is generated on the left and right surfaces of the horizontal piezoelectric plate 5 and is transmitted to the coil 18 through the lower lead 11, as shown in fig. 8, and then the central adsorption rod 17 also generates a magnetic field to adsorb the sliding stopper rod 16 as the coil 18 is electrified. When the slide lever 16 is removed, the slide cover 15 is ejected by the compression resilient force of the support spring 14 and supported by the self-resetting leg 20, as shown in fig. 11, to prevent the slide cover 15 from falling back. As shown in fig. 3, 4, 7 and 8, the upper end of the upper lead 10 is connected to two ends of the coil 18, the lower end is connected to the upper and lower surfaces of the vertical piezoelectric material layer 9, one end of the lower lead 11 is connected to two sides of the horizontal piezoelectric plate 5, and the other end is merged with the upper lead 10.
The technical scheme of the invention is explained in detail by combining the attached drawings, and the invention provides the three-way shock insulation pedestal which is provided with the horizontal piezoelectric plate and the vertical piezoelectric material layer, and utilizes the piezoelectric effect of the piezoelectric material, so that the sliding cover plate can be quickly bounced up at the moment of an earthquake to seal equipment and cultural relics, and the damage of secondary disasters such as the damage of non-structural components (such as a suspended ceiling, a lamp tube, a filler wall and the like) in a house is prevented. Meanwhile, the horizontal high-strength spring and the vertical high-strength spring are arranged, the seismic isolation effect is achieved on both the horizontal seismic effect and the vertical seismic effect, and when an earthquake occurs, the springs and the piezoelectric material can consume and absorb a part of energy, so that the purpose of providing seismic isolation protection for important equipment or cultural relics which need to prevent both the horizontal seismic effect and the vertical seismic effect is achieved. The horizontal shock isolation device is provided with a counter-force couple for the overturning of the structure by the upper steel rod and the lower steel rod in each direction, the phenomenon that the structure with a larger height-width ratio, such as a cultural relic or an equipment pedestal, is overturned under the action of stronger horizontal earthquake motion can be avoided, and therefore the purpose of comprehensively protecting important equipment or cultural relics when an earthquake occurs is better achieved.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A three-dimensional shock insulation pedestal, comprising:
a bottom groove;
the movable groove is arranged on the bottom groove and can slide on the bottom groove;
the horizontal shock insulation device is arranged between the movable groove and the bottom groove and comprises a steel rod, the steel rod penetrates through the movable groove, and two ends of the steel rod are fixed on opposite side plates of the bottom groove;
the top pedestal is arranged at the top of the movable groove;
and the vertical shock isolation device is arranged between the bottom end of the top pedestal and the bottom plate of the movable groove.
2. A three-way seismic isolation mount as claimed in claim 1, wherein said horizontal seismic isolation means further comprises:
the steel plate is sleeved on the steel rod;
the horizontal high-strength spring is sleeved on the steel rod, one end of the horizontal high-strength spring is fixedly connected to the side plate of the bottom groove, and the other end of the horizontal high-strength spring is fixedly connected to the steel plate;
and the horizontal piezoelectric plate is sleeved on the steel rod and arranged between the steel plate and the side plate of the movable groove.
3. A three-way seismic isolation mount according to claim 2,
the steel rods are arranged between two groups of opposite side plates of the bottom groove, the steel rods are arranged in the middle of the side plates, and an upper steel rod and a lower steel rod are arranged in the same horizontal direction at intervals;
the horizontal high-strength spring is sleeved on the steel rod between the four side plates of the movable groove and the four side plates of the bottom groove, the horizontal piezoelectric plate and the steel plate are sleeved on the steel rod in the same horizontal direction, and the horizontal piezoelectric plate and the steel plate are arranged on the outer side of any side plate opposite to the movable groove.
4. A three-way seismic isolation mount as claimed in claim 1, wherein said vertical seismic isolation means comprises:
one end of the vertical high-strength spring is fixedly connected to the bottom plate of the movable groove, and the other end of the vertical high-strength spring is vertically and downwards fixedly connected to the bottom surface of the top pedestal;
and 4 vertical high-strength springs are arranged and symmetrically distributed at four corners of the movable groove.
5. A three-way seismic isolation mount according to any one of claims 1 to 4,
the bottom of top pedestal is provided with vertical piezoelectric material layer, but the top of top pedestal is provided with closing device.
6. A three-way seismic isolation mount as claimed in claim 5, wherein the top of said top mount is spherically shaped, said closeable means comprising:
the arc-shaped slide ways are arranged on the periphery of the top pedestal and close to the edges, the edges of the top surface of the top pedestal are downwards concave to form the arc-shaped slide ways, and the bending radian of the arc-shaped slide ways is the same as that of the top pedestal;
the adjustable stop lever component is arranged below the top surface of the top pedestal, and is connected with the horizontal piezoelectric plate and the vertical piezoelectric material layer through leads respectively;
support spring and the sliding cover board that the cooperation set up are arranged in the arc slide, support spring set up in the bottom of arc slide, work as adjustable shelves pole subassembly blocks during the top of arc slide, support spring is compressed, support spring's top with the sliding cover board contact, work as adjustable shelves pole subassembly certainly when the top of arc slide is putd aside, sliding cover board is popped out.
7. A three-way seismic isolation mount according to claim 6,
the sliding cover plate is composed of two symmetrical curved plates, and the size of the bending radian of the sliding cover plate is the same as that of the arc-shaped slide way.
8. A three-way seismic isolation mount as claimed in claim 7, wherein said adjustable stop bar assembly comprises:
the sliding chute is arranged at the middle position below the top surface of the top pedestal;
the central adsorption rod is fixedly arranged in the sliding groove, a coil is wound on the circumferential surface of the central adsorption rod, and the coil is respectively connected with the horizontal piezoelectric plate and the vertical piezoelectric material layer through the lead;
the two sliding stop rods are respectively arranged at the two ends of the sliding chute, when the sliding stop rods are positioned at the outermost side of the sliding chute, one end of each sliding stop rod is positioned in the sliding chute, the other end of each sliding stop rod penetrates through the top surface of the arc-shaped slide way and is arranged in the corresponding groove to stop the top end of the arc-shaped slide way, and the sliding cover plate is positioned in the arc-shaped slide way; when an earthquake occurs, the positive and negative charges of the horizontal piezoelectric plate and/or the vertical piezoelectric material layer are separated to electrify the coil, the central adsorption rod generates a magnetic field to adsorb the sliding stop rod to move from the outermost side of the sliding chute to the sliding stop rod, the sliding stop rod moves away from the top end of the arc-shaped slideway, and the sliding cover plate is ejected out,
the groove is arranged on the peripheral side face of the top pedestal, and the groove and the sliding groove are located on the same horizontal plane.
9. A three-way seismic isolation mount as claimed in claim 8, further comprising:
the self-resetting support leg is arranged on one side inside the arc-shaped slideway, the self-resetting support leg is positioned at the top of the arc-shaped slideway, and the position of the self-resetting support leg is higher than the middle position of the sliding cover plate when the sliding cover plate is completely positioned in the arc-shaped slideway.
10. A three-way seismic isolation mount as claimed in claim 9, further comprising:
and a wire housing means provided inside the side plate of the movable recess adjacent to the horizontal piezoelectric plate for housing a connection wire of the horizontal piezoelectric plate and the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010095358.2A CN111140726A (en) | 2020-02-17 | 2020-02-17 | Three-dimensional shock insulation pedestal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010095358.2A CN111140726A (en) | 2020-02-17 | 2020-02-17 | Three-dimensional shock insulation pedestal |
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| CN111140726A true CN111140726A (en) | 2020-05-12 |
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| CN202010095358.2A Pending CN111140726A (en) | 2020-02-17 | 2020-02-17 | Three-dimensional shock insulation pedestal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202204A (en) * | 2021-06-07 | 2021-08-03 | 范雷彪 | Pendulum type support with longitudinal buffering function |
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