CN205840454U - A kind of level of isolation earthquake for building and the device of vertical motion - Google Patents
A kind of level of isolation earthquake for building and the device of vertical motion Download PDFInfo
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- CN205840454U CN205840454U CN201620733377.2U CN201620733377U CN205840454U CN 205840454 U CN205840454 U CN 205840454U CN 201620733377 U CN201620733377 U CN 201620733377U CN 205840454 U CN205840454 U CN 205840454U
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Abstract
The utility model discloses a kind of level of isolation earthquake for building and the device of vertical motion, it includes isolating vibrating device and earthquake isolating equipment；Isolation vibrating device includes upper plate, Vertical Spring battle array, Horizontal limiting latch screw rod and intermediate plate；Upper plate is connected by connecting assembly location-plate pre-buried with upper buttress；Vertical Spring battle array is made up of several springs, is arranged between upper plate and described intermediate plate；Spring housing is in the outside of Horizontal limiting latch screw rod；Horizontal limiting latch screw rod is fixed on the upper surface of intermediate plate；The lower surface of intermediate plate is fixing with earthquake isolating equipment to be connected；If if earthquake isolating equipment includes dried layer thin layer rubber dried layer thin layer of steel plate and lower shoe；Thin layer rubber lamination is arranged, and thin layer of steel plate holder is located in rubber layer；Lower shoe is connected with the lower pre-buried location-plate of buttress by attachment means.The application can realize horizontal seismic isolation (earthquake) and vertical vibration isolation (vibration) function simultaneously；And apparatus cost is relatively low, the gross investment of vibration isolation and shock insulation can be substantially reduced.
Description
Technical Field
The utility model belongs to design fields such as industrial building, civil buildings, bridge, concretely relates to device of isolation level earthquake and vertical vibration for building.
Background
China belongs to the countries with frequent earthquakes, and in recent years, the earthquake occurs in Wenchuan and Yaan, which causes a great amount of casualties and huge property loss, even if part of buildings reach the design target of 'great earthquake incessance' required by earthquake-proof design, the casualties are still caused by the damage of infilled walls and decoration secondary structures. Therefore, the government level repeatedly mentions suggestions for popularizing the seismic isolation technology, improves the seismic performance of the structure and ensures the life safety of personnel, and the areas with higher design intensity forcibly adopt the seismic isolation technology for important buildings, thereby greatly promoting the development of the seismic isolation technology in China. At present, the domestic relatively mature and widely applied shock insulation product is a laminated rubber shock insulation support.
In addition, along with the expansion of the scale of cities, many large and medium-sized cities in China begin to develop subway traffic, the commercial development of the subway upper covers is more and more, and a problem is inevitably encountered in the design process of the subway upper cover buildings, namely the comfort level of people in the upper cover buildings is influenced by the vibration of the subway operation because the vertical frequency of the conventional building structures is close to the vibration frequency generated by the subway operation. Therefore, there is a demand for control to reduce the influence of the vibration of the subway on the upper cover building. At present, vibration control adopted for similar vibration at home and abroad is spring vibration isolation, namely, vertical spring supports are arranged in all supporting columns at the bottom of a building to be isolated, the total spring stiffness is designed to meet the requirement that the vertical natural frequency is 3-5Hz, and the vertical vibration of an upper structure is reduced by staggering the vibration frequency generated by subway operation. But the spring vibration isolation belongs to an imported product, has higher price and is not widely applied in China.
Through research and according to a plurality of similar design projects participated in by the patent applicant, most of domestic projects only adopt a seismic isolation technology to solve the horizontal seismic resistance problem of the upper cover building, the horizontal seismic resistance performance of the upper cover building structure is improved, the subway vibration influence problem cannot be effectively controlled, only individual projects properly reduce the vertical rigidity of the seismic isolation support by increasing the height of the seismic isolation support, but are limited by the stability of the support after lateral movement, the rigidity reduction of the support is very small, and the effective control on vibration is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a device for isolating horizontal earthquake and vertical vibration for building, which can simultaneously realize the functions of horizontal vibration isolation (earthquake) and vertical vibration isolation (vibration); the device has low cost, and can greatly reduce the total investment of vibration isolation and vibration isolation (vibration).
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a device for isolating horizontal earthquake and vertical vibration for buildings comprises an isolation vibration device and a vibration isolation device; wherein,
the vibration isolation device comprises an upper top plate, a vertical spring array, a plurality of horizontal limiting bolt screws and a middle plate; the upper top plate is connected with the upper pier pre-embedded positioning plate through a connecting assembly; the vertical spring array is composed of a plurality of springs and is arranged between the upper top plate and the middle plate, each spring corresponds to one horizontal limiting bolt screw rod, and the springs are sleeved on the outer sides of the horizontal limiting bolt screws; the horizontal limiting bolt screw is fixed on the upper surface of the middle plate; the lower surface of the middle plate is fixedly connected with the shock insulation device;
the shock insulation device comprises a plurality of layers of thin rubber, a plurality of layers of thin steel plates and a lower bottom plate; the thin rubber layers are arranged in a laminated mode, and the thin steel plates are clamped in the rubber layers; the lower bottom plate is connected with the lower pier pre-buried positioning plate through a connecting device.
Further, the connecting assembly comprises a plurality of pairs of upper pier embedded sleeves and upper pier anchor bolts; the upper buttress embedded sleeve is circumferentially arranged along the upper surface of the upper buttress embedded positioning plate and embedded in the upper buttress, and the upper buttress anchor bolt is matched with the upper buttress embedded sleeve; a plurality of through holes are formed in the circumferential direction of the upper top plate in a manner of matching with the upper buttress anchor bolts; and the upper buttress anchor bolt penetrates through the through hole to be connected with the upper buttress embedded sleeve, and the upper top plate is connected with the upper buttress embedded positioning plate.
Further, the connecting device comprises a plurality of pairs of lower pier embedded sleeves and lower pier anchor bolts; the lower buttress embedded sleeve is circumferentially arranged along the lower surface of the lower buttress embedded positioning plate and embedded in the lower buttress, and the lower buttress anchor bolt is matched with the lower buttress embedded sleeve; a plurality of through holes are formed in the circumferential direction of the lower bottom plate in a manner of matching with the lower buttress anchor bolts; and the lower buttress anchor bolt penetrates through the through hole to be connected with the lower buttress embedded sleeve, and the lower bottom plate is connected with the lower buttress embedded positioning plate.
Furthermore, the vibration isolation device also comprises a plurality of pre-tightening screw rods; the pre-tightening screw consists of an upper top plate pre-tightening screw, a pre-tightening connecting piece and a middle plate pre-tightening screw; the upper top plate pre-tightening screw rods are circumferentially arranged along the lower surface of the upper top plate, and the middle plate pre-tightening screw rods are circumferentially arranged along the upper surface of the middle plate; the upper top plate pre-tightening screw rod and the middle plate pre-tightening screw rod are corresponding in position and are connected through the pre-tightening connecting piece.
Further, an upper top plate stiffening rib plate is arranged on the lower surface of the upper top plate; and the upper surface of the middle plate is provided with a middle plate stiffening rib plate.
Furthermore, a gap with a set height is arranged between the upper end face of the horizontal limiting bolt screw and the lower surface of the upper top plate.
Furthermore, a stiffening plate is arranged in the circumferential direction of the horizontal limiting bolt screw.
The utility model discloses following beneficial technological effect has:
1. the vibration isolation device can simultaneously realize horizontal vibration isolation (earthquake) and vertical vibration isolation (vibration);
2. the application adopts reasonable structural arrangement and node construction, so that the device cost is lower, and the total investment of vibration isolation (vibration) and shock isolation can be greatly reduced.
Drawings
FIG. 1 is a structural elevation view of the present invention;
FIG. 2 is a side view of the construction of the present invention;
fig. 3 is a detailed exploded view of the structure of the present invention.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The present invention may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
For ease of description, spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1-3, the present application provides a device for isolating horizontal earthquake and vertical vibration for building, which comprises an isolation vibration device and a vibration isolation device; the vibration isolation device comprises an upper top plate 3, a vertical spring array 8, a plurality of horizontal limiting bolt screws 9 and a middle plate 12; the upper top plate 3 is connected with the upper pier pre-embedded positioning plate 2 through a connecting assembly; the vertical spring array 8 is composed of a plurality of springs and is arranged between the upper top plate 3 and the middle plate 12, each spring corresponds to one horizontal limiting bolt screw rod 9, and the springs are sleeved on the outer sides of the horizontal limiting bolt screw rods 9; a horizontal limiting bolt screw 9 is fixed on the upper surface of the middle plate 12; the lower surface of the middle plate 12 is fixedly connected with a shock insulation device; the shock insulation device comprises a plurality of layers of thin rubber 14, a plurality of layers of thin steel plates 13 and a lower bottom plate 16; the thin rubber layers 14 are arranged in a laminated mode, and the thin steel plates 13 are clamped in the rubber layers; the lower bottom plate 16 is connected with the lower pier pre-embedded positioning plate 17 through a connecting device.
The connecting assembly comprises a plurality of pairs of upper pier embedded sleeves 1 and upper pier anchor bolts 5; the upper buttress embedded sleeve 1 is circumferentially arranged along the upper surface of the upper buttress embedded positioning plate 2 and embedded in the upper buttress 19, and the upper buttress anchor bolt 5 is matched with the upper buttress embedded sleeve 1; a plurality of through holes are formed in the circumferential direction of the upper top plate 3 in cooperation with the upper buttress anchor bolt 5; and the upper buttress anchor bolt 5 penetrates through the through hole to be connected with the upper buttress embedded sleeve 1, and the upper top plate 3 is connected with the upper buttress embedded positioning plate 2.
The connecting device comprises a plurality of pairs of lower pier embedded sleeves 18 and lower pier anchor bolts 15; the lower buttress embedded sleeve 18 is circumferentially arranged along the lower surface of the lower buttress embedded positioning plate 17 and embedded in the lower buttress 20, and the lower buttress anchor bolt 15 is matched with the lower buttress embedded sleeve 18; a plurality of through holes are arranged on the circumference of the lower bottom plate 16 in cooperation with the lower pier anchor bolt 15; and the lower buttress anchor bolt 15 penetrates through the through hole to be connected with the lower buttress embedded sleeve 18, and the lower bottom plate 16 is connected with the lower buttress embedded positioning plate 17.
The vibration isolation device further comprises a plurality of pre-tightening screw rods; the pre-tightening screw consists of an upper top plate pre-tightening screw 4, a pre-tightening connecting piece 7 and a middle plate pre-tightening screw 11; the upper top plate pre-tightening screw rods 4 are circumferentially arranged along the lower surface of the upper top plate 3, and the middle plate pre-tightening screw rods 11 are circumferentially arranged along the upper surface of the middle plate 12; the upper top plate pre-tightening screw rod 4 corresponds to the middle plate pre-tightening screw rod 11 in position, and the upper top plate pre-tightening screw rod and the middle plate pre-tightening screw rod are connected through the pre-tightening connecting piece 7.
The lower surface of the upper top plate 3 is provided with an upper top plate stiffening rib plate 6; the upper surface of the intermediate plate 12 is provided with intermediate plate stiffening ribs 10. The upper roof stiffening rib 6 and the middle roof stiffening rib 10 correspond to each other in position, and form an accommodating cavity of the spring array 8 in a use state.
A gap with a set height is arranged between the upper end surface of the horizontal limiting bolt screw 9 and the lower surface of the upper top plate 3. Ensure that the vertical counter force does not contact the upper top plate 3, namely does not bear the vertical force.
And the horizontal limiting bolt screw 9 is circumferentially provided with stiffening plates which play a role of bearing horizontal shear force and reduce horizontal deformation.
The device for isolating horizontal earthquake and vertical vibration for building comprises an isolation vibration device consisting of an upper spring array and a vibration isolation device consisting of a lower rubber support. The vertical force of the isolation vibration device is borne by a spring array, the spring array calculates the arrangement quantity according to the vertical counter force, and the natural frequency is controlled; horizontal force generated by earthquake is transmitted through a plurality of bolt screws, and a gap is reserved between each bolt screw and the upper top plate, so that the bolt screws are not in contact with the upper steel plate under the action of vertical counter force, namely, the bolt screws do not bear vertical force. In order to guarantee the adverse effect of uneven settlement caused by inconsistent vertical compression deformation of the spring arrays of the supports in the construction process, the pre-tightening screw rods are arranged around the device, the device is installed and is subjected to predicted vertical deformation through the pre-tightening screw rods, after the upper structure is constructed, the pre-tightening device is unscrewed and separated, the stiffening ribs are arranged in the gaps of the spring arrays, and the height of the device is reduced on the premise of guaranteeing the rigidity of the upper steel plate and the lower steel plate. The shock isolation device adopts a common laminated rubber structure, an interlayer thin steel plate is additionally arranged in a rubber layer, the rubber layer is tightly bonded with the interlayer steel plate, and when the rubber support bears vertical load, the transverse deformation of the rubber plate is restrained, so that the rubber support has great vertical bearing capacity and vertical rigidity. The thin steel plate does not influence the shearing deformation of the rubber layer, so that the rubber plate is flexibly restricted to any horizontal movement. When the rubber support bears horizontal load, the relative lateral movement of the rubber layer is greatly reduced, so that the rubber support can achieve great integral lateral movement without instability, and lower horizontal rigidity is kept. And because the sandwich steel plate is closely bonded with the rubber layer, the rubber layer can bear certain tensile force under the action of a vertical earthquake, so that the support becomes an ideal shock isolation device which has the advantages of extremely large vertical bearing capacity, small horizontal rigidity, large horizontal lateral movement allowable value and capability of bearing the action of the vertical earthquake.
The above description is only for the purpose of illustration, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (7)
1. A device for isolating horizontal earthquake and vertical vibration for buildings is characterized by comprising an isolation vibration device and a vibration isolation device; wherein,
the vibration isolation device comprises an upper top plate, a vertical spring array, a plurality of horizontal limiting bolt screws and a middle plate; the upper top plate is connected with the upper pier pre-embedded positioning plate through a connecting assembly; the vertical spring array is composed of a plurality of springs and is arranged between the upper top plate and the middle plate, each spring corresponds to one horizontal limiting bolt screw rod, and the springs are sleeved on the outer sides of the horizontal limiting bolt screws; the horizontal limiting bolt screw is fixed on the upper surface of the middle plate; the lower surface of the middle plate is fixedly connected with the shock insulation device;
the shock insulation device comprises a plurality of layers of thin rubber, a plurality of layers of thin steel plates and a lower bottom plate; the thin rubber layers are arranged in a laminated mode, and the thin steel plates are clamped in the rubber layers; the lower bottom plate is connected with the lower pier pre-buried positioning plate through a connecting device.
2. The device for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein the connecting assembly comprises a plurality of pairs of upper pier embedded sleeves and upper pier anchor bolts; the upper buttress embedded sleeve is circumferentially arranged along the upper surface of the upper buttress embedded positioning plate and embedded in the upper buttress, and the upper buttress anchor bolt is matched with the upper buttress embedded sleeve; a plurality of through holes are formed in the circumferential direction of the upper top plate in a manner of matching with the upper buttress anchor bolts; and the upper buttress anchor bolt penetrates through the through hole to be connected with the upper buttress embedded sleeve, and the upper top plate is connected with the upper buttress embedded positioning plate.
3. The device for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein the connecting device comprises a plurality of pairs of lower pier embedded sleeves and lower pier anchor bolts; the lower buttress embedded sleeve is circumferentially arranged along the lower surface of the lower buttress embedded positioning plate and embedded in the lower buttress, and the lower buttress anchor bolt is matched with the lower buttress embedded sleeve; a plurality of through holes are formed in the circumferential direction of the lower bottom plate in a manner of matching with the lower buttress anchor bolts; and the lower buttress anchor bolt penetrates through the through hole to be connected with the lower buttress embedded sleeve, and the lower bottom plate is connected with the lower buttress embedded positioning plate.
4. The device for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein the device for isolating vibration further comprises a plurality of pre-tightening screws; the pre-tightening screw consists of an upper top plate pre-tightening screw, a pre-tightening connecting piece and a middle plate pre-tightening screw; the upper top plate pre-tightening screw rods are circumferentially arranged along the lower surface of the upper top plate, and the middle plate pre-tightening screw rods are circumferentially arranged along the upper surface of the middle plate; the upper top plate pre-tightening screw rod and the middle plate pre-tightening screw rod are corresponding in position and are connected through the pre-tightening connecting piece.
5. The apparatus for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein the lower surface of the upper top plate is provided with an upper top plate stiffening rib plate; and the upper surface of the middle plate is provided with a middle plate stiffening rib plate.
6. The apparatus for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein a gap of a set height is provided between the upper end surface of the horizontal limit bolt screw and the lower surface of the upper top plate.
7. The device for isolating horizontal earthquake and vertical vibration for building of claim 1, wherein the horizontal limiting bolt screw is circumferentially provided with stiffening plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620733377.2U CN205840454U (en) | 2016-07-12 | 2016-07-12 | A kind of level of isolation earthquake for building and the device of vertical motion |
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| CN201620733377.2U CN205840454U (en) | 2016-07-12 | 2016-07-12 | A kind of level of isolation earthquake for building and the device of vertical motion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013920A (en) * | 2016-07-12 | 2016-10-12 | 北京市建筑设计研究院有限公司 | Device for isolating horizontal earthquake and vertical vibration for building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013920A (en) * | 2016-07-12 | 2016-10-12 | 北京市建筑设计研究院有限公司 | Device for isolating horizontal earthquake and vertical vibration for building |
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