CN107100207A - A kind of earthquake isolating equipment of tall building foundation - Google Patents
A kind of earthquake isolating equipment of tall building foundation Download PDFInfo
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- CN107100207A CN107100207A CN201710232155.1A CN201710232155A CN107100207A CN 107100207 A CN107100207 A CN 107100207A CN 201710232155 A CN201710232155 A CN 201710232155A CN 107100207 A CN107100207 A CN 107100207A
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- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 20
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 241000209094 Oryza Species 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 235000012255 calcium oxide Nutrition 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 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 claims 5
- 239000004576 sand Substances 0.000 claims 2
- 239000004575 stone Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 35
- 238000005096 rolling process Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
本发明属于隔震装置技术领域，尤其是一种高层建筑地基的隔震装置，针对隔震装置拉伸回复能力持续降低的技术问题，现提出以下方案，包括从上往下依次设置的建筑底座、安装座和地基，且建筑底座、安装座和地基依次连接，所述地基顶部的两边均设有伸缩支撑柱，且伸缩支撑柱的顶部和底部均焊接有固定板，且两个固定板之间通过螺旋压缩弹簧连接，所述螺旋压缩弹簧套设与伸缩支撑柱的外壁上。本发明中，球头与滚珠滚动摩擦，降低了球头和滑槽内壁的磨损，增加了球头和滑槽的使用寿命，缓冲装置可对球头施加作用力，避免球头滑动较大距离，且极大的避免了金属零件锈蚀，提高了装置的稳定性。
The invention belongs to the technical field of seismic isolation devices, in particular to a seismic isolation device for the foundation of a high-rise building. Aiming at the technical problem that the tensile recovery ability of the seismic isolation device continues to decrease, the following proposals are proposed, including the building bases arranged sequentially from top to bottom , the mounting seat and the foundation, and the building base, the mounting seat and the foundation are connected in sequence, telescopic support columns are provided on both sides of the top of the foundation, and the top and bottom of the telescopic support columns are welded with fixed plates, and the two fixed plates The space is connected by a helical compression spring, and the helical compression spring is sheathed on the outer wall of the telescopic support column. In the present invention, the rolling friction between the ball head and the ball reduces the wear of the ball head and the inner wall of the chute, increases the service life of the ball head and the chute, and the buffer device can exert force on the ball head to avoid the ball head from sliding a large distance , and greatly avoid the corrosion of metal parts, improve the stability of the device.
Description
技术领域technical field
本发明涉及隔震装置机技术领域，尤其涉及一种高层建筑地基的隔震装置。The invention relates to the technical field of shock-isolation devices, in particular to a shock-isolation device for foundations of high-rise buildings.
背景技术Background technique
地震给人类带来太多的灾难与痛苦。但是，地震本身对人类并无多大的伤害，地震灾害主要表现在受灾地区建筑物的倒塌等引起的二次破坏，给人们的生命和财产带来重大损失。随着建筑理论的成熟，防灾减灾成了一个永恒的话题。Earthquakes have brought too much disaster and suffering to human beings. However, the earthquake itself does not cause much harm to human beings. Earthquake disasters are mainly manifested in the secondary damage caused by the collapse of buildings in the disaster-stricken area, which brings great losses to people's lives and property. With the maturity of architectural theory, disaster prevention and mitigation has become an eternal topic.
为此中国专利授权公告号CN202899302U提出“高层建筑隔震支座”，该专利文件中通过将摩擦摆隔震支座安装于建筑底部与地基之间增加了建筑的抗震性能，考虑到摩擦摆隔震支座的易燃性能，在摩擦摆隔震支座的外侧设置防护装置，但摩擦摆隔震支座安装于地基与建筑底部之间，且隔震支座处于密封状态，因此浪费了资源。For this reason, the Chinese Patent Authorization Announcement No. CN202899302U proposes "Seismic Isolation Bearings for High-Rise Buildings". In view of the flammability of the seismic bearing, a protective device is installed on the outside of the friction pendulum seismic isolation bearing, but the friction pendulum seismic isolation bearing is installed between the foundation and the bottom of the building, and the seismic isolation bearing is in a sealed state, so resources are wasted .
为解决地震引起的房屋倒塌问题，中国专利授权公告号CN103643749A提出“组合式高层建筑隔震支座”解决了隔震支座在高层建筑中的抗拉能力不足、隔震效果差、抗风荷载能力弱的问题，且解决低阻尼会产生的过大位移和低阻尼无法克服风的荷载的问题，但该专利中“动杠杆压在定杠杆的上方成“十”字形交叉”，且建筑物压在上连接板上，因此动杠杆与定杠杆之间摩擦较大，动杠杆与定杠杆易磨损和变形，磨损和变形后的动杠杆与定杠杆抗拉能力降低，使隔震回复性能降低。In order to solve the problem of house collapse caused by earthquakes, the Chinese patent authorization announcement number CN103643749A proposed "combined high-rise building isolation bearings" to solve the insufficient tensile capacity, poor isolation effect, and wind load resistance of seismic isolation bearings in high-rise buildings. It solves the problem of weak capacity, and solves the problem of excessive displacement caused by low damping and low damping that cannot overcome the wind load. However, in this patent, "the moving lever is pressed on the top of the fixed lever to form a cross in the shape of a "cross", and the building Pressed on the upper connecting plate, so the friction between the movable lever and the fixed lever is relatively large, and the movable lever and the fixed lever are easy to wear and deform. After wear and deformation, the tensile capacity of the movable lever and the fixed lever is reduced, which reduces the shock isolation recovery performance .
发明内容Contents of the invention
基于背景技术存在的隔震支座安全防护和拉伸回复能力持续降低的问题，本发明提出了一种高层建筑地基的隔震装置。Based on the problems of the safety protection and tensile recovery ability of the seismic isolation support in the background technology, the continuous reduction of the tensile recovery ability, the present invention proposes a seismic isolation device for the foundation of a high-rise building.
本发明提出的一种高层建筑地基的隔震装置，包括从上往下依次设置的建筑底座、安装座和地基，且建筑底座、安装座和地基依次连接，所述地基顶部的两边均设有伸缩支撑柱，且伸缩支撑柱的顶部和底部均焊接有固定板，且两个固定板之间通过螺旋压缩弹簧连接，所述螺旋压缩弹簧套设与伸缩支撑柱的外壁上，且伸缩支撑柱顶部和底部的固定板分别通过地脚螺栓与安装座的底部外壁和地基的顶部外壁连接，且两个伸缩支撑柱相对一侧外壁上均焊接有挡板，且两个挡板之间填充有填充物，所述安装座顶部两边外壁上均通过螺栓连接有隔震支座，且隔震支座的顶部通过螺栓与建筑底座的底部外壁连接，所述安装座的顶部设有滑槽，且滑槽位于两个隔震支座之间，且滑槽的内壁上滑动安装有球头，且球头的顶部通过连接柱与建筑底座的底部外壁连接，且球头的两侧外壁上均焊接有缓冲装置，所述缓冲装置包括为中空结构且与滑槽两端内壁连接有的油筒和牵引弹簧，且油筒的内壁上滑动安装有数个等距离设置的挡片，且数个挡片上均设有等距离分布的通孔，且挡片通过滑杆固定连接，且滑杆与油筒远离滑槽的一端滑动连接，且滑杆远离挡片的一端与球头的外壁焊接，且油筒的外壁上套设有牵引弹簧，且牵引弹簧的一端与球头焊接，牵引弹簧的另一端与滑槽一端的内壁连接，所述滑槽的内壁上设有等距离分布的凹孔，且凹孔的顶部内壁上嵌装有滚珠，且滚珠的底部外壁与凹孔的底部内壁之间设有内置弹簧，且内置弹簧的底部与凹孔的底部内壁相粘接。A seismic isolation device for a high-rise building foundation proposed by the present invention includes a building base, a mounting seat and a foundation arranged in sequence from top to bottom, and the building base, the mounting seat and the foundation are connected in sequence, and both sides of the top of the foundation are provided with Telescopic support column, and the top and bottom of the telescopic support column are welded with fixed plates, and the two fixed plates are connected by a helical compression spring, the helical compression spring is sleeved on the outer wall of the telescopic support column, and the telescopic support column The top and bottom fixing plates are respectively connected with the bottom outer wall of the mounting base and the top outer wall of the foundation through anchor bolts, and baffles are welded on the opposite side of the two telescopic support columns, and the space between the two baffles is filled with Filling, the outer walls on both sides of the top of the mounting seat are connected with shock-absorbing bearings by bolts, and the top of the seismic-isolation bearing is connected with the bottom outer wall of the building base by bolts, the top of the mounting seat is provided with a slide groove, and The chute is located between two shock-isolation supports, and a ball head is slidably installed on the inner wall of the chute, and the top of the ball head is connected to the bottom outer wall of the building base through a connecting column, and the outer walls on both sides of the ball head are welded There is a buffer device. The buffer device includes an oil cylinder and a traction spring that are hollow and connected to the inner walls of the two ends of the chute. On the inner wall of the oil cylinder, several baffles arranged at equal distances are slidably installed, and on the several baffles Equidistantly distributed through-holes are provided, and the baffle is fixedly connected by a slide rod, and the slide rod is slidably connected to the end of the oil cylinder away from the chute, and the end of the slide rod away from the baffle is welded to the outer wall of the ball head, and the oil A traction spring is sleeved on the outer wall of the cylinder, and one end of the traction spring is welded to the ball head, and the other end of the traction spring is connected to the inner wall of one end of the chute, and the inner wall of the chute is provided with concave holes distributed equidistantly, and Balls are embedded on the top inner wall of the concave hole, and a built-in spring is arranged between the bottom outer wall of the ball and the bottom inner wall of the concave hole, and the bottom of the built-in spring is bonded to the bottom inner wall of the concave hole.
优选地，所述伸缩支撑柱包括中空结构的外支撑座，外支撑座的内壁上滑动安装有支撑杆，且支撑杆的底部外壁连接有复合橡胶弹簧，且复合橡胶弹簧远离支撑杆的一端与外支撑座的底部内壁连接。Preferably, the telescopic support column includes an outer support base with a hollow structure, a support rod is slidably installed on the inner wall of the outer support base, and a composite rubber spring is connected to the bottom outer wall of the support rod, and the end of the composite rubber spring away from the support rod is connected to the The bottom inner wall of the outer support seat is connected.
优选地，所述隔震支座的外壁上喷涂有防火涂层。Preferably, a fireproof coating is sprayed on the outer wall of the shock-isolation support.
优选地，所述内置弹簧的顶部连接有滚珠座，且滚珠座上设有凹槽，凹槽与滚珠的底部外壁相适配。Preferably, a ball seat is connected to the top of the inner spring, and a groove is provided on the ball seat, and the groove is adapted to the bottom outer wall of the ball.
优选地，所述滚珠与凹孔的内壁形成过盈配合，且滚珠与凹孔内壁的过盈差值为0.3-0.5毫米。Preferably, the ball forms an interference fit with the inner wall of the concave hole, and the interference difference between the ball and the inner wall of the concave hole is 0.3-0.5 mm.
优选地，所述填充物包括砂石层、生石灰和干泥土混合层和稻壳层，且砂石层、生石灰和干泥土混合层和稻壳层从下往上依次填充入相邻的挡板之间。Preferably, the filling includes a sandstone layer, quicklime and dry soil mixed layer and rice husk layer, and the sandstone layer, quicklime and dry soil mixed layer and rice husk layer are filled into adjacent baffles in sequence from bottom to top between.
优选地，两个所述油筒内均密封有液压油。Preferably, hydraulic oil is sealed in the two oil cylinders.
优选地，所述滑杆与油筒的连接处设有密封圈。Preferably, a sealing ring is provided at the joint between the sliding rod and the oil cylinder.
优选地，所述挡片的数量为三至五片，挡片套接于滑杆的外壁上，且挡片上通孔的直径为三至五毫米。Preferably, the number of the baffles is three to five, the baffles are sleeved on the outer wall of the slide rod, and the diameter of the through hole on the baffles is 3 to 5 mm.
优选地，所述建筑底座的底部的中心位置处设有安装孔，且连接柱的顶部嵌装安装孔内，且连接柱通过膨胀螺栓与安装孔的内壁固定连接。Preferably, an installation hole is provided at the center of the bottom of the building base, and the top of the connecting column is embedded in the installation hole, and the connecting column is fixedly connected to the inner wall of the installation hole through expansion bolts.
本发明的有益效果为：The beneficial effects of the present invention are:
1.球头安装于滑槽内，且球头与滑槽的内壁滑动连接，滑槽的内壁上设有凹孔，凹孔内过盈安装有滚珠，滚珠与球头形成滚动配合，将球头与滑槽内壁的滑动摩擦转变为滚珠与球头的滚动摩擦，降低了球头和滑槽内壁的磨损，增加了球头和滑槽的使用寿命；1. The ball head is installed in the chute, and the ball head is slidingly connected with the inner wall of the chute. The inner wall of the chute is provided with a concave hole, and the ball is installed in the concave hole. The ball and the ball head form a rolling fit, and the ball The sliding friction between the head and the inner wall of the chute is transformed into the rolling friction between the ball and the ball head, which reduces the wear of the ball head and the inner wall of the chute, and increases the service life of the ball head and the chute;
2.地震时，建筑底座、隔震支座发生左右移动，建筑底座通过连接柱带动球头在滑槽内左右滑动，球头两侧外壁连接有缓冲装置，球头移动时，滑杆带动挡片在油筒的内壁上滑动，油筒内的液压油从挡片的一侧通过通孔流动至挡片的另一侧，液压油施加给挡片阻力，可降低挡片在油筒内壁上的滑动速度，两个牵引弹簧处于其中一个被压缩，另一个被拉伸，向球头施加力度，可避免球头滑动距离较大；2. During an earthquake, the building base and the shock-isolation bearing move left and right. The building base drives the ball head to slide left and right in the chute through the connecting column. The outer walls on both sides of the ball head are connected with buffer devices. When the ball head moves, the sliding rod drives the stopper. The piece slides on the inner wall of the oil cylinder, and the hydraulic oil in the oil cylinder flows from one side of the baffle through the through hole to the other side of the baffle, and the hydraulic oil exerts resistance on the baffle, which can reduce the pressure of the baffle on the inner wall of the oil cylinder. The sliding speed of the two traction springs is one of which is compressed and the other is stretched, applying force to the ball head to avoid a large sliding distance of the ball head;
3.伸缩支撑柱增加了安装座与地基之间的缓冲力度，降低了地基对安装座的冲击力，增加了安装座的稳定性，且填充物能够避免水分在安装座与地基之间聚集，极大的避免了金属零件锈蚀。3. The telescopic support column increases the buffer strength between the mounting seat and the foundation, reduces the impact force of the foundation on the mounting seat, increases the stability of the mounting seat, and the filler can prevent moisture from accumulating between the mounting seat and the foundation. Greatly avoid the corrosion of metal parts.
本发明中，球头与滚珠滚动摩擦，降低了球头和滑槽内壁的磨损，增加了球头和滑槽的使用寿命，缓冲装置可对球头施加作用力，避免球头滑动较大距离，且极大的避免了金属零件锈蚀，提高了装置的稳定性。In the present invention, the rolling friction between the ball head and the ball reduces the wear of the ball head and the inner wall of the chute, increases the service life of the ball head and the chute, and the buffer device can exert force on the ball head to avoid the ball head from sliding a large distance , and greatly avoid the corrosion of metal parts, improve the stability of the device.
附图说明Description of drawings
图1为本发明提出的一种高层建筑地基的隔震装置的结构示意图；Fig. 1 is the structural representation of the seismic isolation device of a kind of high-rise building foundation that the present invention proposes;
图2为本发明提出的一种高层建筑地基的隔震装置的吸气头结构示意图；Fig. 2 is the structural representation of the suction head of a kind of shock-isolation device of high-rise building foundation that the present invention proposes;
图3为本发明提出的一种高层建筑地基的隔震装置的吸气头结构示意图；Fig. 3 is the schematic diagram of the structure of the suction head of a shock-isolation device for a high-rise building foundation proposed by the present invention;
图4为本发明提出的一种高层建筑地基的隔震装置的吸气头结构示意图；Fig. 4 is the schematic diagram of the structure of the suction head of the seismic isolation device of a kind of high-rise building foundation proposed by the present invention;
图5为本发明提出的一种高层建筑地基的隔震装置的吸气头结构示意图；Fig. 5 is the schematic diagram of the structure of the suction head of the seismic isolation device of a kind of high-rise building foundation proposed by the present invention;
图6为本发明提出的一种高层建筑地基的隔震装置的吸气头结构示意图。Fig. 6 is a structural schematic diagram of a suction head of a seismic isolation device for a high-rise building foundation proposed by the present invention.
图中：1建筑底座、2安装座、3地基、4伸缩支撑柱、5螺旋压缩弹簧、6固定板、7挡板、8填充物、9隔震支座、10连接柱、11球头、12滑槽、13油筒、14滑杆、15挡片、16通孔、17牵引弹簧、18凹孔、19滚珠、20内置弹簧、21外支撑座、22支撑杆、23复合橡胶弹簧。In the figure: 1 building base, 2 mounting base, 3 foundation, 4 telescopic support column, 5 helical compression spring, 6 fixing plate, 7 baffle plate, 8 filler, 9 vibration isolation support, 10 connecting column, 11 ball head, 12 chute, 13 oil barrel, 14 slide bar, 15 retainer, 16 through hole, 17 traction spring, 18 concave hole, 19 ball, 20 inner spring, 21 outer support seat, 22 support rod, 23 composite rubber spring.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
参照图1-6，一种高层建筑地基的隔震装置，包括从上往下依次设置的建筑底座1、安装座2和地基3，且建筑底座1、安装座2和地基3依次连接，地基3顶部的两边均设有伸缩支撑柱4，且伸缩支撑柱4的顶部和底部均焊接有固定板6，且两个固定板6之间通过螺旋压缩弹簧5连接，螺旋压缩弹簧5套设与伸缩支撑柱4的外壁上，且伸缩支撑柱4顶部和底部的固定板6分别通过地脚螺栓与安装座2的底部外壁和地基3的顶部外壁连接，且两个伸缩支撑柱4相对一侧外壁上均焊接有挡板7，且两个挡板7之间填充有填充物8，安装座2顶部两边外壁上均通过螺栓连接有隔震支座9，且隔震支座9的顶部通过螺栓与建筑底座1的底部外壁连接，安装座2的顶部设有滑槽12，且滑槽12位于两个隔震支座9之间，且滑槽12的内壁上滑动安装有球头11，且球头11的顶部通过连接柱10与建筑底座1的底部外壁连接，且球头11的两侧外壁上均焊接有缓冲装置，缓冲装置包括为中空结构且与滑槽12两端内壁连接有的油筒13和牵引弹簧17，且油筒13的内壁上滑动安装有数个等距离设置的挡片15，且数个挡片15上均设有等距离分布的通孔16，且挡片15通过滑杆14固定连接，且滑杆14与油筒13远离滑槽12的一端滑动连接，且滑杆14远离挡片15的一端与球头11的外壁焊接，且油筒13的外壁上套设有牵引弹簧17，且牵引弹簧17的一端与球头11焊接，牵引弹簧17的另一端与滑槽12一端的内壁连接，滑槽12的内壁上设有等距离分布的凹孔18，且凹孔18的顶部内壁上嵌装有滚珠19，且滚珠19的底部外壁与凹孔18的底部内壁之间设有内置弹簧21，且内置弹簧21的底部与凹孔18的底部内壁相粘接。Referring to Figures 1-6, a seismic isolation device for a high-rise building foundation includes a building base 1, a mounting base 2, and a foundation 3 that are sequentially arranged from top to bottom, and the building base 1, mounting base 2, and foundation 3 are connected in sequence, and the foundation 3 Both sides of the top are provided with telescopic support columns 4, and the top and bottom of the telescopic support columns 4 are welded with fixed plates 6, and the two fixed plates 6 are connected by a helical compression spring 5, and the helical compression springs 5 are sleeved with On the outer wall of the telescopic support column 4, and the fixed plate 6 at the top and bottom of the telescopic support column 4 is respectively connected with the bottom outer wall of the mounting seat 2 and the top outer wall of the foundation 3 through anchor bolts, and the opposite sides of the two telescopic support columns 4 Baffles 7 are welded on the outer walls, and fillers 8 are filled between the two baffles 7. The outer walls on both sides of the top of the mounting base 2 are connected with vibration-isolation supports 9 by bolts, and the top of the vibration-isolation supports 9 passes through The bolt is connected to the bottom outer wall of the building base 1, the top of the mounting seat 2 is provided with a chute 12, and the chute 12 is located between the two shock-isolation supports 9, and the inner wall of the chute 12 is slidably installed with a ball head 11, And the top of the ball head 11 is connected with the bottom outer wall of the building base 1 through the connecting column 10, and the outer walls of both sides of the ball head 11 are welded with a buffer device, the buffer device includes a hollow structure and is connected with the inner wall at both ends of the chute 12 The oil cylinder 13 and the traction spring 17, and the inner wall of the oil cylinder 13 is slidably installed with several baffles 15 equidistantly arranged, and several baffles 15 are provided with equidistantly distributed through holes 16, and the baffles 15 The slide bar 14 is fixedly connected, and the slide bar 14 is slidably connected to the end of the oil tube 13 away from the chute 12, and the end of the slide bar 14 away from the catch 15 is welded to the outer wall of the ball head 11, and the outer wall of the oil tube 13 is covered A traction spring 17 is provided, and one end of the traction spring 17 is welded with the ball head 11, and the other end of the traction spring 17 is connected with the inner wall of one end of the chute 12, and the inwall of the chute 12 is provided with concave holes 18 distributed equidistantly, and A ball 19 is embedded on the top inner wall of the concave hole 18, and a built-in spring 21 is arranged between the bottom outer wall of the ball 19 and the bottom inner wall of the concave hole 18, and the bottom of the built-in spring 21 is bonded to the bottom inner wall of the concave hole 18 .
本发明中，伸缩支撑柱4包括中空结构的外支撑座21，外支撑座21的内壁上滑动安装有支撑杆22，且支撑杆22的底部外壁连接有复合橡胶弹簧23，且复合橡胶弹簧23远离支撑杆22的一端与外支撑座21的底部内壁连接，隔震支座9的外壁上喷涂有防火涂层，内置弹簧20的顶部连接有滚珠座，且滚珠座上设有凹槽，凹槽与滚珠12的底部外壁相适配，滚珠12与凹孔18的内壁形成过盈配合，且滚珠12与凹孔18内壁的过盈差值为0.3-0.5毫米，填充物8包括砂石层、生石灰和干泥土混合层和稻壳层，且砂石层、生石灰和干泥土混合层和稻壳层从下往上依次填充入相邻的挡板7之间，两个油筒13内均密封有液压油，滑杆14与油筒13的连接处设有密封圈，挡片15的数量为三至五片，挡片15套接于滑杆14的外壁上，且挡片15上通孔16的直径为三至五毫米，建筑底座1的底部的中心位置处设有安装孔，且连接柱10的顶部嵌装安装孔内，且连接柱10通过膨胀螺栓与安装孔的内壁固定连接。In the present invention, the telescopic support column 4 includes an outer support base 21 of a hollow structure, a support rod 22 is slidably installed on the inner wall of the outer support base 21, and a composite rubber spring 23 is connected to the bottom outer wall of the support rod 22, and the composite rubber spring 23 One end away from the support rod 22 is connected with the bottom inner wall of the outer support seat 21, the outer wall of the shock-isolation support 9 is sprayed with a fireproof coating, and the top of the built-in spring 20 is connected with a ball seat, and the ball seat is provided with grooves. The groove matches the bottom outer wall of the ball 12, the ball 12 forms an interference fit with the inner wall of the concave hole 18, and the interference difference between the ball 12 and the inner wall of the concave hole 18 is 0.3-0.5 mm, and the filler 8 includes a sandstone layer , quicklime and dry soil mixed layer and rice husk layer, and the sandstone layer, quicklime and dry soil mixed layer and rice husk layer are filled between the adjacent baffles 7 in sequence from bottom to top, and the two oil cylinders 13 are filled Sealed with hydraulic oil, the joint between the slide rod 14 and the oil cylinder 13 is provided with a sealing ring, and the number of baffles 15 is three to five pieces. The diameter of the hole 16 is three to five millimeters, and the center position of the bottom of the building base 1 is provided with a mounting hole, and the top of the connecting column 10 is embedded in the mounting hole, and the connecting column 10 is fixedly connected to the inner wall of the mounting hole by an expansion bolt .
地震时，建筑底座1、隔震支座9相对于安装座2和地基3发生左右移动，建筑底座1通过连接柱10带动球头11在滑槽12内左右滑动，滑槽12的内壁上设有凹孔18，凹孔18内过盈安装有滚珠19，滚珠19与球头11形成滚动配合，将球头11与滑槽12内壁的滑动摩擦转变为滚珠19与球头11的滚动摩擦，降低了球头11和滑槽12内壁的磨损，增加了球头11和滑槽12的使用寿命，球头11两侧外壁连接有缓冲装置，球头11移动时，球头11两侧连接的滑杆14带动挡片15在油筒13的内壁上滑动，油筒13内的液压油从挡片15的一侧通过通孔16流动至挡片15的另一侧，液压油施加给挡片15阻力，可降低挡片15在油筒13内壁上的滑动速度，从而延缓球头11、连接柱10、隔震支座9和建筑底座1的移动速度，且其中一个牵引弹簧17被压缩，另一个牵引弹簧17被拉伸，在地震幅度降低时，牵引弹簧17缓缓推动球头11向滑槽12的中间位置滑动，从而带动连接柱10、隔震支座9和建筑底座1回复地震前的位置。During an earthquake, the building base 1 and the shock-isolation bearing 9 move left and right relative to the mounting base 2 and the foundation 3, and the building base 1 drives the ball head 11 to slide left and right in the chute 12 through the connecting column 10, and the inner wall of the chute 12 is provided with There is a concave hole 18, and a ball 19 is installed in the concave hole 18. The ball 19 forms a rolling fit with the ball head 11, and the sliding friction between the ball head 11 and the inner wall of the chute 12 is transformed into the rolling friction between the ball 19 and the ball head 11. The wear of the ball head 11 and the inner wall of the chute 12 is reduced, and the service life of the ball head 11 and the chute 12 is increased. The outer walls of the ball head 11 are connected with buffer devices. When the ball head 11 moves, the two sides of the ball head 11 are connected. The slide rod 14 drives the blocking plate 15 to slide on the inner wall of the oil cylinder 13, the hydraulic oil in the oil cylinder 13 flows from one side of the blocking plate 15 to the other side of the blocking plate 15 through the through hole 16, and the hydraulic oil is applied to the blocking plate 15 resistance, which can reduce the sliding speed of the stopper 15 on the inner wall of the oil cylinder 13, thereby slowing down the moving speed of the ball head 11, the connecting column 10, the shock-isolation support 9 and the building base 1, and one of the traction springs 17 is compressed, Another traction spring 17 is stretched, and when the earthquake amplitude decreases, the traction spring 17 slowly pushes the ball head 11 to slide towards the middle position of the chute 12, thereby driving the connecting column 10, the shock-isolation support 9 and the building base 1 to recover from the earthquake previous position.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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| CN108179909A (en) * | 2018-01-24 | 2018-06-19 | 广州大学 | A kind of multistage frequency conversion becomes friction-pendulum shock-insulation support |
| CN108468354A (en) * | 2017-04-11 | 2018-08-31 | 中原工学院 | Skyscraper foundation isolation protective device |
| CN111456111A (en) * | 2020-03-12 | 2020-07-28 | 浙江大学城市学院 | Shock isolation device for high-rise building foundation |
| CN112302186A (en) * | 2020-09-16 | 2021-02-02 | 北京工业大学 | A circular arc groove roller friction bearing for supporting columns of underground subway stations |
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| CN110318551B (en) * | 2019-08-06 | 2024-03-22 | 重庆建工住宅建设有限公司 | Building shockproof correction structure and correction method |
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| CN108468354A (en) | 2018-08-31 |
| CN108468354B (en) | 2019-11-19 |
| CN107100207B (en) | 2018-05-11 |
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