CN105507443A - Civil engineering shock absorption device and shock absorption method - Google Patents
Civil engineering shock absorption device and shock absorption method Download PDFInfo
- Publication number
- CN105507443A CN105507443A CN201610017141.3A CN201610017141A CN105507443A CN 105507443 A CN105507443 A CN 105507443A CN 201610017141 A CN201610017141 A CN 201610017141A CN 105507443 A CN105507443 A CN 105507443A
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- China
- Prior art keywords
- column
- civil engineering
- connection block
- shell
- cushion hole
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a civil engineering shock absorption device. The civil engineering shock absorption device comprises an upper column section and a lower column section, wherein each of the upper column section and the lower column section is provided with a connection base; an upper buffering hole is formed in the connection base on the upper column section; a lower buffering hole is formed in the connection base on the lower column section; the upper buffering hole and the lower buffering hole are long-strip holes; and the included angle between the upper buffering hole and the lower buffering hole is 80 degrees to 100 degrees. The civil engineering shock absorption device provided by the invention has a plurality of advantages of clear stress, simple structure, stable performance, high reliability, rapid construction speed and the like; and the civil engineering shock absorption device can be used as a shock absorption and insulation support or a shock absorption and insulation node to be applied to the fields including newly-built and existing high-rise buildings, large-span buildings, bridge structures and the like, and has a relatively good popularization and application prospect.
Description
Technical field
The present invention relates to civil engineering and building structure cushion technique field, particularly relate to a kind of civil engineering damping device.
Background technology
Traditional structure seismic design relies on the Strength and Dformation of structure self to resist earthquake, and under little shake effect, ensure that structure is in elastic state, under middle shake and large shake effect, structure is damaged, and utilizes structure ductility to the seismic energy that dissipates; Simultaneously after structural damage, the rigidity of structure and natural vibration period decline, and the seismic energy of input reduces.Traditional Seismic Design Thought based on ductility, takes full advantage of supporting capacity and the deformability of structure self, better economy, obtains a wide range of applications in the earthquake resistant code of countries in the world.But in earthquake in recent years, people recognize that traditional method for designing also exists the rear structure of shake and not easily repairs gradually, secondary member collapse brings the problems such as serious economic loss, and in order to this problem of solution of economical rationality, the various seismic isolation technology that subtracts arises at the historic moment.
At present, conventional civil engineering damping device, as vibration absorption and isolation support mainly comprises: lead core rubber support, high-damp rubber support, the large type such as friction factor aseismatic bearing and hyperboloid spheroidal bearer of shock absorption and insulation, but all exist certain not enough, such as (1) can not provide anti-pulling capacity; (2) poor durability, rubber is easily aging, needs periodic replacement to safeguard; (3) processing and fabricating required precision is high, with high costs; (4) use location is limited, can only use as bearing, can not be used for intermediate node; (5) poor controllability, is difficult to realize classification Seismic Design Thought etc., limits applying of vibration absorption and isolation support on a large scale.
Therefore, seek excellent performance, with low cost, use flexibly, as vibration absorption and isolation support, can become the technical barrier that those skilled in the art need solution badly as the damping device subtracting shock insulation node again.
Summary of the invention
The object of this invention is to provide a kind of novel structure unique, easy to use, can as vibration absorption and isolation support, again can as the damping device subtracting shock insulation node.Concrete technical scheme is:
A kind of civil engineering damping device, comprise shell of column and lower shell of column, described upper shell of column and lower shell of column are provided with Connection Block; The Connection Block of described upper shell of column is provided with cushion hole, the Connection Block of described lower shell of column is provided with lower cushion hole; Described upper cushion hole and described lower cushion hole are strip hole, and the angle of upper cushion hole and lower cushion hole is between 80 ° to 100 °.
Further, described angle is 90 °.
Further, described upper cushion hole or described lower cushion hole are by two groups of the quantity such as the direction of cushion hole is divided into, and described in two groups, cushion hole direction is mutually vertical.
Further, friction plate is provided with between described Connection Block and securing member.
Further, described friction plate is combined by latten(-tin), asbestos, rubber or rubber and steel sheet or layering is superimposed makes.
Further, described upper shell of column and described lower shell of column are provided with stiffening rib, and described stiffening rib is vertical with the fastening surface of described Connection Block.
Further, the Connection Block of described upper shell of column is bolted secondary connection with the Connection Block of described lower shell of column.
Further, described bolt connection pair is high strength bolt connection pairs.
Further, the columnar part of described upper shell of column or described lower shell of column is the one in the component of the types such as pipe, square tube or H type.
The invention also discloses a kind of shock-dampening method using above-mentioned civil engineering damping device, it is characterized in that, comprise the following steps:
1) column one end of described upper shell of column is fixedly connected with beam to be fixed or post;
2) beam to be fixed with another root for column one end of described lower shell of column or post are fixedly connected with;
3) friction plate is provided with between the Connection Block of shell of column and the Connection Block of described lower shell of column on described;
4) pass described upper cushion hole and described lower cushion hole with bolt connection pair described in several, the Connection Block of the Connection Block of described upper shell of column and described lower shell of column is fastenedly connected.
Civil engineering damping device of the present invention.This device has stressed clear and definite, simple structure, stable performance, reliability are high; Plurality of advantages that speed of application is fast etc., as vibration absorption and isolation support or can subtract shock insulation node, be applied in the fields such as newly-built and existing highrise building, large span architecture and bridge construction, have good popularizing application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of civil engineering damping device in the embodiment of the present invention 1;
Fig. 2 is the structural representation of civil engineering damping device in the embodiment of the present invention 2;
Fig. 3 is the structural representation of civil engineering damping device in the embodiment of the present invention 3;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the upward view of Fig. 3.
In figure: 1, upper shell of column; 2, lower shell of column; 3, bolt connection pair; 4, upper cushion hole; 5, lower cushion hole.
Detailed description of the invention
Embodiment is utilized more fully to illustrate the present invention below.The present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
Embodiment 1
As shown in Figure 1, the civil engineering damping device in the present embodiment, comprises shell of column 1, lower shell of column 2, and upper shell of column 1 and lower shell of column 2 are circular tube shaped, and end is provided with Connection Block, Connection Block is provided with long through-hole as cushion hole.Wherein, the length direction of upper cushion hole 4 on upper shell of column 1 is vertical with the radial direction of the circumference of circular hollow section; The length direction of lower cushion hole 5 on lower shell of column 2 is consistent with the radial direction of the circumference of circular hollow section.The Connection Block of upper shell of column 1 and the Connection Block of lower shell of column 2 are bolted.
In order to obtain higher bonding strength, in embodiment, the upper Connection Block of shell of column 1 is connected by 8 cover bolt connection pairs 3 with the Connection Block of lower shell of column 2.Certainly, the bonding strength required for engineering, can reduce or increase the quantity of bolt connection pair 3, to increase bonding strength or to reduce costs.
Bolt connection pair 3 can also adopt high strength bolt connection pairs 3, reduces the quantity of connector, alleviates the weight of whole device.
In order to improve bonding strength, as shown in Figure 1, stiffening rib can also be welded between pipe with Connection Block; The quantity of stiffening rib can increase and decrease according to actual conditions, is not limited to 8 in figure.The support direction of stiffening rib should be vertical with Connection Block, to obtain better support effect.
In order to improve the shock strength of damping device, the face that the Connection Block of upper shell of column 1 and the Connection Block of lower shell of column 2 connect is set to rubbing surface, two rubbing surfaces all can pass through sandblasting (ball) process, improve the case hardness of rubbing surface, and produce micro-hole to improve the friction factor between two rubbing surfaces; Sandblasting (ball) can also be adopted to be coated with inorganic zinc rich paint, sandblasting (ball) afterwards, and the mode process such as floating rust removed by raw red rust, wire brush afterwards.
Bolt connection pair 3 comprises screw rod, nut and pad; Set up between the Connection Block and the Connection Block of lower shell of column 2 of upper shell of column 1 and the size that friction plate is convenient to adjust frictional force is set.
Friction plate shape is identical with Connection Block or match; The place corresponding with cushion hole also offers through hole.Friction plate can use latten(-tin), also can be sheet asbestos, sheet rubber makes, or is combined by above-mentioned different materials and make; Also can to combine with rubber and steel sheet or layering is superimposed makes.
Adopt the damping device in the present embodiment, when running into the disaster such as earthquake, mud-rock flow, damping mechanism is as described below:
When A, little shake, suffered by damping device, shearing force is less, and upper shell of column 1 and lower shell of column 2 resist failure energy by elastic deformation;
B, middle shake and when shaking greatly, along with shearing force suffered by damping device increases, slide between the Connection Block of upper shell of column 1 and the Connection Block of lower shell of column 2, to be dissipated failure energy by frictional slip;
C, due to mutually vertical between upper cushion hole 4 with lower cushion hole 5, such that no matter shearing force from which direction applies, can be decomposed into along the component of upper cushion hole 4 with lower cushion hole 5 direction, by slip, this component be dissipated.The size of structural limits sliding displacement can be set by the length adjusting cushion hole; To reach the degree of dissipation failure energy and reduction permanent deformation, recover after being convenient to calamity;
D, the quantity passing through adjustment high-strength bolt and diameter control the size of support node anti-pulling capacity;
E, the rubbing surface form passing through adjustment Connection Block, high-strength bolt quantity and pretightning force size, friction plate material and thickness change the size of damping device slip-load and anti-side rigidity.
Embodiment 2
As shown in Figure 2, substantially identical with embodiment 1 of the damping device in the present embodiment, is distinguished as shell of column 1 and lower shell of column 2 is square tube.Upper cushion hole 4 in the present embodiment is divided into two groups of orthogonal long through-holes; Correspondingly, lower cushion hole 5 is also divided into two groups of orthogonal long through-holes; Certainly, the upper cushion hole 4 of same bolt connection pair 3 correspondence is also orthogonal with lower cushion hole 5.The quantity of best two groups of cushion holes is equal, is evenly distributed, to make damping device uniform force in shock absorbing process, avoids that local stress is excessive causes damage.
Certainly, in order to easy to process, also can be set to unanimously by the direction of upper cushion hole 4, the direction of lower cushion hole 5 is set to vertical with the direction of upper cushion hole 4 by unification.
Embodiment 3
As shown in Figures 3 to 5, the damping device in the present embodiment is substantially the same manner as Example 2, is distinguished as shell of column 1 and lower shell of column 2 is H profile steel.Certainly, the intensity of upper shell of column 1 and lower shell of column 2 also can be increased by arranging stiffening rib.
In above-described embodiment, figure is schematic diagram, and upper shell of column 1 and lower shell of column 2 are the state of blocking, and the two ends that this device both can be arranged on beam or post use, and also can be equipped with installing hole, be fixed on the two ends of beam or post as bearing or node.The material of damping device is also not limited to steel, can make alloy aluminum, steel concrete, concrete filled steel tube, glass fiber reinforced plastic or other there is the material of structural strength.The component that vibration-absorptive material connects can be the structural element of the types such as square tube, pipe, H type or half ball seat.
The invention also discloses a kind of shock-dampening method utilizing above-mentioned damping device, comprise the following steps:
1) column one end of upper shell of column 1 is fixedly connected with beam to be fixed;
2) beam to be fixed with another root for column one end of lower shell of column 2 is fixedly connected with;
3) sandwiched friction plate between the Connection Block and the Connection Block of lower shell of column 2 of upper shell of column 1;
4) pass cushion hole with several bolt connection pairs 3, the Connection Block of the Connection Block of upper shell of column 1 and lower shell of column 2 is fastenedly connected.
The building adopting above-mentioned shock-dampening method to form or civil engineering have:
1) anti-pulling capacity is high;
2) due to damping device good endurance, application life identical with agent structure can be reached, do not need periodic maintenance;
3) processing and fabricating required precision is low, with low cost;
4) controllability is good, and anti-pulling capacity, slip-load, anti-side rigidity, limit sliding displacement can control
5) stressed clear and definite, simple structure, stable performance, reliability are high;
6) fast etc. the plurality of advantages of speed of application.
This damping device uses flexibility strong, namely can be used as bearing use and also can be used as intermediate node use; Be applied in the field of civil engineering such as newly-built and existing highrise building, large span architecture or bridge construction, there is good popularizing application prospect.
Above-mentioned example, just for illustration of the present invention, in addition, also has multiple different embodiment, and these embodiments to be all those skilled in the art can expect after comprehension inventive concept, therefore, will not enumerate at this.
Claims (10)
1. a civil engineering damping device, comprises shell of column and lower shell of column, and described upper shell of column and lower shell of column are provided with Connection Block; It is characterized in that, the Connection Block of described upper shell of column is provided with cushion hole, the Connection Block of described lower shell of column is provided with lower cushion hole; Described upper cushion hole and described lower cushion hole are strip hole, and the angle of upper cushion hole and lower cushion hole is between 80 ° to 100 °.
2. civil engineering damping device as claimed in claim 1, it is characterized in that, described angle is 90 °.
3. civil engineering damping device as claimed in claim 2, is characterized in that, described upper cushion hole or described lower cushion hole are by two groups of the quantity such as the direction of cushion hole is divided into, and described in two groups, cushion hole direction is mutually vertical.
4. civil engineering damping device as claimed in claim 1, is characterized in that, can arrange friction plate between the Connection Block of described upper shell of column and the Connection Block of described lower shell of column.
5. civil engineering damping device as claimed in claim 4, it is characterized in that, described friction plate is made up of one or more combinations of materials in latten(-tin), sheet asbestos, sheet rubber or is combined by rubber and steel sheet or layering is superimposed makes.
6. civil engineering damping device as claimed in claim 1, it is characterized in that, described upper shell of column and described lower shell of column are provided with stiffening rib, and described stiffening rib is vertical with the fastening surface of described Connection Block.
7. civil engineering damping device as claimed in claim 1, is characterized in that, Connection Block and the Connection Block of described lower shell of column of described upper shell of column are bolted secondary connection.
8. civil engineering damping device as claimed in claim 7, it is characterized in that, described bolt connection pair is high strength bolt connection pairs.
9. civil engineering damping device as claimed in claim 1, it is characterized in that, the columnar part of described upper shell of column or described lower shell of column is the one in the component of the types such as pipe, square tube, half ball seat or H type.
10. adopt a shock-dampening method for civil engineering damping device as claimed in any one of claims 1-9 wherein, it is characterized in that, comprise the following steps:
1) column one end of described upper shell of column is fixedly connected with beam to be fixed or post;
2) beam to be fixed with another root for column one end of described lower shell of column or post are fixedly connected with;
3) sandwiched friction plate between the Connection Block of shell of column and the Connection Block of described lower shell of column on described;
4) pass described upper cushion hole and described lower cushion hole with bolt connection pair described in several, the Connection Block of the Connection Block of described upper shell of column and described lower shell of column is fastenedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017141.3A CN105507443B (en) | 2016-01-12 | 2016-01-12 | A kind of civil engineering damping device and shock-dampening method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017141.3A CN105507443B (en) | 2016-01-12 | 2016-01-12 | A kind of civil engineering damping device and shock-dampening method |
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| CN105507443A true CN105507443A (en) | 2016-04-20 |
| CN105507443B CN105507443B (en) | 2018-08-07 |
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| CN201610017141.3A Active CN105507443B (en) | 2016-01-12 | 2016-01-12 | A kind of civil engineering damping device and shock-dampening method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442852A (en) * | 2019-08-30 | 2021-03-05 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN113279487A (en) * | 2021-06-24 | 2021-08-20 | 乐清市南方钢结构工程有限公司 | Assembled steel structure node |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284041A1 (en) * | 2004-06-04 | 2005-12-29 | Industrial Technology Research Institute | Seismic-protection wheel locational anchorage |
| CN101372843A (en) * | 2008-10-23 | 2009-02-25 | 同济大学 | Friction type finite sway shock absorber strut |
| US20090165419A1 (en) * | 2007-12-28 | 2009-07-02 | Richard Ralph M | Braced frame force distribution connection |
| CN203514535U (en) * | 2013-10-11 | 2014-04-02 | 山东中通钢构建筑股份有限公司 | Industrialization fabricated column base node with energy consumption device |
| CN104652615A (en) * | 2015-02-04 | 2015-05-27 | 北京工业大学 | Beam-column joint connection device of assembly type steel structure system |
| CN104652616A (en) * | 2015-02-04 | 2015-05-27 | 北京工业大学 | Half-welding half-bolt beam-column joint connection device of assembly type steel structure system |
| CN105040817A (en) * | 2015-07-30 | 2015-11-11 | 北京建筑大学 | Prestressed assembled middle column steel frame recoverable in function |
| CN105220776A (en) * | 2015-10-29 | 2016-01-06 | 天津市建筑设计院 | A kind of H profile steel beam bidirectional sliding support node with bidirectionally limited function |
| CN205369576U (en) * | 2016-01-12 | 2016-07-06 | 中冶建筑研究总院有限公司 | Civil engineering damping device |
-
2016
- 2016-01-12 CN CN201610017141.3A patent/CN105507443B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050284041A1 (en) * | 2004-06-04 | 2005-12-29 | Industrial Technology Research Institute | Seismic-protection wheel locational anchorage |
| US20090165419A1 (en) * | 2007-12-28 | 2009-07-02 | Richard Ralph M | Braced frame force distribution connection |
| CN101372843A (en) * | 2008-10-23 | 2009-02-25 | 同济大学 | Friction type finite sway shock absorber strut |
| CN203514535U (en) * | 2013-10-11 | 2014-04-02 | 山东中通钢构建筑股份有限公司 | Industrialization fabricated column base node with energy consumption device |
| CN104652615A (en) * | 2015-02-04 | 2015-05-27 | 北京工业大学 | Beam-column joint connection device of assembly type steel structure system |
| CN104652616A (en) * | 2015-02-04 | 2015-05-27 | 北京工业大学 | Half-welding half-bolt beam-column joint connection device of assembly type steel structure system |
| CN105040817A (en) * | 2015-07-30 | 2015-11-11 | 北京建筑大学 | Prestressed assembled middle column steel frame recoverable in function |
| CN105220776A (en) * | 2015-10-29 | 2016-01-06 | 天津市建筑设计院 | A kind of H profile steel beam bidirectional sliding support node with bidirectionally limited function |
| CN205369576U (en) * | 2016-01-12 | 2016-07-06 | 中冶建筑研究总院有限公司 | Civil engineering damping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112442852A (en) * | 2019-08-30 | 2021-03-05 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN113279487A (en) * | 2021-06-24 | 2021-08-20 | 乐清市南方钢结构工程有限公司 | Assembled steel structure node |
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| CN105507443B (en) | 2018-08-07 |
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Effective date of registration: 20201130 Address after: 100088 Beijing city Haidian District Xitucheng Road No. 33 Patentee after: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group Patentee after: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION Co.,Ltd. Address before: 100088 Beijing city Haidian District Xitucheng Road No. 33 Patentee before: CENTRAL RESEARCH INSTITUTE OF BUILDING AND CONSTRUCTION CO., LTD. MCC Group |
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