CN107023090B - A kind of buckling support device and preparation method thereof - Google Patents
A kind of buckling support device and preparation method thereof Download PDFInfo
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- CN107023090B CN107023090B CN201710368216.7A CN201710368216A CN107023090B CN 107023090 B CN107023090 B CN 107023090B CN 201710368216 A CN201710368216 A CN 201710368216A CN 107023090 B CN107023090 B CN 107023090B
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 112
- 239000010959 steel Substances 0.000 claims abstract description 112
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 203
- 238000003466 welding Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of buckling support devices and preparation method thereof.The device includes tube column, end socket；Tube column is assembled by (2n+1) layer steel pipe, and tube column includes n-layer buckling layer steel pipe, (n+1) layer restraint layer steel pipe；Alternate suit between restraint layer steel pipe and buckling layer steel pipe, and the innermost layer of tube column and outermost layer are restraint layer；The natural number that n is >=1；Buckling layer steel pipe both ends are respectively and fixedly connected on an end socket, and restraint layer length of steel pipe is not more than buckling layer length of steel pipe.Apparatus of the present invention pass through single end socket and buckling layer steel tube end part is affixed, or multistage end socket respectively with buckling layer steel tube end part it is affixed after the mode that multistage end socket is fastened by bolts is prepared again.The present invention proposes a kind of concept of multilayer buckling support, can make the existing appropriate bearing capacity of steel tube binding type buckling support, and have ideal buckling effect.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a buckling support device and a preparation method thereof.
Background
The buckling support device is a special device for spare damage, which can play a supporting role and an energy consumption role for a newly built (or existing) civil engineering structure, namely the buckling of the device is used for protecting a structure body when the structure is subjected to earthquake action. The technology belongs to the field of civil engineering and can be applied to new construction design and reinforcement design of structures.
The mature buckling support device is divided into an integral constraint type and an assembly constraint type according to the working principle; according to the characteristics of the materials, the concrete-reinforced concrete composite material is of a reinforced concrete constraint type, a steel pipe concrete composite constraint type, a pure steel constraint type and the like; the shape of the product can be classified into a column type and a shuttle type. In the whole steel tube constraint type device, a single-layer buckling product exists (the steel tube constraint device is also called a triple buckling support because of the addition of two constraint layers and three layers of steel tubes in total). For a single-layer buckling support, when the bearing capacity needs to be emphasized, the thickness of the steel pipe needs to be increased, and the increase of the thickness of the steel pipe reduces the buckling capacity of the support.
Disclosure of Invention
The invention aims to provide a buckling support device and a preparation method thereof, and aims to solve the problem that the traditional single-layer buckling support cannot meet high bearing capacity and can avoid the adverse influence of the increase of the thickness of a steel pipe on the buckling performance.
The invention is realized in this way, a buckling support device, the device includes the tube column, the head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number more than or equal to 1;
the two ends of the buckling layer steel pipe are fixedly connected to a sealing head respectively, and the length of the restraint layer steel pipe is not more than that of the buckling layer steel pipe.
Preferably, the end socket is composed of n-level end sockets with concentric screw holes; wherein,
the diameter of the X-stage end socket is larger than the inner diameter of the steel pipe of the X-layer buckling layer, and the diameter of the X-stage end socket is not larger than the inner diameter of the steel pipe of the (X +1) -layer buckling layer;
two ends of the X-layer buckling layer steel pipe are fixedly connected with X-level corresponding end sockets respectively, and a screw rod penetrates through a concentric screw hole between n-level end sockets and is fastened by matching with a nut;
1≤X＜n。
the invention further discloses a preparation method of the buckling support device, wherein the buckling support device comprises a pipe column body and a sealing head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number more than or equal to 1;
two ends of the buckling layer steel pipe are fixedly connected with a corresponding end socket respectively, and the length of the restraining layer steel pipe is not more than that of the buckling layer steel pipe;
the end socket is composed of n-stage end sockets with concentric screw holes; wherein,
the diameter of the X-stage end socket is larger than the inner diameter of the steel pipe of the X-layer buckling layer, and the diameter of the X-stage end socket is not larger than the inner diameter of the steel pipe of the (X +1) -layer buckling layer;
two ends of the X-layer buckling layer steel pipe are fixedly connected with X-level corresponding end sockets respectively, and a screw rod penetrates through a concentric screw hole between n-level end sockets and is fastened by matching with a nut;
1≤X＜n；
the preparation method of the buckling supporting device comprises the following steps:
(1) inserting a screw rod into a screw hole of the 1 st-stage end socket, and fixing the head of the screw rod at the inner side of the 1 st-stage end socket;
(2) connecting the 1 st buckling layer with the 1 st-stage corresponding end socket, then loading the 1 st-stage constraint layer steel pipe into the 1 st buckling layer, simultaneously sleeving the 2 nd-stage constraint layer steel pipe outside the 1 st-stage buckling layer steel pipe, and then connecting the end socket at the other end of the 1 st stage with the 1 st buckling layer;
(3) connecting the 2 nd buckling layer with the 2 nd corresponding end socket, aligning the screw of the element in the step (2) with a concentric screw hole on the 2 nd end socket, penetrating the screw into the 2 nd buckling layer, sleeving the 3 rd layer steel pipe outside the 2 nd buckling layer steel pipe, and then transmitting the end socket at the other end of the 2 nd level out of the screw of the element in the step (2) and connecting the end socket with the 2 nd buckling layer;
(4) repeating the step (3) until the X-level end socket, the X-layer buckling layer steel pipe and the (X +1) -layer constraint layer steel pipe are assembled;
(5) and (4) fastening the 1 st-nth seal heads by matching the screw with the nut.
(6) And connecting the nth-stage end socket with the connecting piece.
The invention further discloses a preparation method of the buckling support device, wherein the buckling support device comprises a pipe column body and a sealing head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number more than or equal to 1;
two ends of the buckling layer steel pipe are fixedly connected with a corresponding end socket respectively, and the length of the restraining layer steel pipe is not more than that of the buckling layer steel pipe;
the preparation method of the buckling supporting device comprises the following steps:
(1) sleeving n layers of buckling layer steel pipes and (n +1) layers of constraint layer steel pipes alternately to form a column body, wherein the innermost layer and the outermost layer of the column body are constraint layers;
(2) and respectively fixedly connecting two end parts of each layer of buckling layer steel pipe in the column body at one side of the corresponding seal head.
Compared with the defects and shortcomings of the prior art, the invention has the following beneficial effects: the invention provides a concept of a multi-layer buckling support, which not only enables a steel pipe restrained type buckling support to have proper bearing capacity, but also has an ideal buckling effect.
Drawings
FIG. 1 is a schematic cross-sectional view of a two-layered buckling restrained brace apparatus according to an embodiment of the present invention;
FIG. 2 is an assembled schematic view of the apparatus of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a two-layer buckling restrained brace apparatus according to yet another embodiment of the present invention;
fig. 4 is an assembled schematic view of the device of fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention discloses a buckling support device which comprises a pipe column body and a sealing head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number more than or equal to 1;
and two ends of the buckling layer steel pipe are fixedly connected with a corresponding end socket respectively, and the length of the restraint layer steel pipe is not more than that of the buckling layer steel pipe.
In the embodiment of the invention, the fixing comprises welding, bonding, splicing and the like. In addition, the end socket is fixedly connected with the connecting piece.
In the embodiment of the present invention, taking a welding manner as an example, the buckling-restrained brace apparatus specifically comprises:
(1) a first inner constraint layer, a second inner constraint layer (also used as the outer constraint of the first buckling layer), a third inner constraint layer (also used as the outer constraint of the second buckling layer), … … and an nth inner constraint layer (also used as the outer constraint of the (n-1) th buckling layer);
(2) a first buckling layer, a second buckling layer, … … and an nth buckling layer;
(3) sealing the end;
(4) an (n +1) th outer constraining layer;
(5) a connecting member.
In an embodiment of the present invention, the manufacturing method of the buckling-restrained brace apparatus includes the following steps:
(1) sleeving n layers of buckling layer steel pipes and (n +1) layers of constraint layer steel pipes alternately to form a column body, wherein the innermost layer and the outermost layer of the column body are constraint layers;
(2) and respectively fixedly connecting two ends of each layer of buckling layer steel pipe in the column body with corresponding seal heads.
For convenience of understanding, the embodiment of the invention takes a two-layer buckling-restrained brace device as an example, namely when n is 2, the structural relationship of each device of the device is described. As shown in fig. 1-2, fig. 1 is a schematic cross-sectional structure diagram of a two-layer buckling supporting apparatus in this embodiment; fig. 2 is an assembled schematic view of the device of fig. 1.
In FIG. 1, the reference numerals are analyzed: 1-a first inner restraint layer, 3-a second inner restraint layer, 2-a first buckling layer, 4-a second buckling layer, 6-a seal head, 7-an outer restraint layer and 8-a connecting piece.
In the figure 2, the restraint layer and the buckling layer are positioned, the end part of the restraint layer is isolated from the end socket, the end part of the buckling layer is directly and reliably connected with the end socket, and the connecting piece 8 and the end socket 6 are directly and reliably connected at one time to complete assembly.
The invention provides a concept of a multi-layer buckling support, which not only enables the steel pipe restrained buckling support to have proper bearing capacity, but also has an ideal buckling effect.
The invention further discloses a buckling support device, which comprises a pipe column body and a sealing head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number more than or equal to 1;
two ends of the buckling layer steel pipe are fixedly connected with a corresponding end socket respectively, and the length of the restraining layer steel pipe is not more than that of the buckling layer steel pipe;
the end socket is composed of n-stage end sockets with concentric screw holes; wherein,
the diameter of the X-stage end socket is larger than the inner diameter of the steel pipe of the X-layer buckling layer, and the diameter of the X-stage end socket is not larger than the inner diameter of the steel pipe of the (X +1) -layer buckling layer;
two ends of the X-layer buckling layer steel pipe are fixedly connected with X-level corresponding end sockets respectively, and a screw rod penetrates through a concentric screw hole between n-level end sockets and is fastened by matching with a nut;
1≤X＜n。
in the embodiment of the invention, a buckling supporting device assembled in a combined mode of fixedly connecting and bolt fastening is provided. Wherein, the 1 st to n th layers of constraint layers are inner constraint layers, and the (n +1) th layer of constraint layer is an outer constraint layer. The buckling support device comprises the following specific components:
(1) a first inner constraint layer, a second inner constraint layer (also used as the outer constraint of the first buckling layer), a third inner constraint layer (also used as the outer constraint of the second buckling layer), … … and an nth inner constraint layer (also used as the outer constraint of the (n-1) th buckling layer);
(2) a first buckling layer, a second buckling layer, … … and an nth buckling layer;
(3) sealing the end;
(4) an (n +1) th outer constraining layer;
(5) a connecting member.
The invention further provides a preparation method of the buckling-restrained brace device, which comprises the following steps:
(1) inserting a screw rod into a screw hole of the 1 st-stage end socket, and fixing the head of the screw rod at the inner side of the 1 st-stage end socket;
(2) connecting the 1 st buckling layer with the 1 st-level arbitrary end socket, then loading the 1 st-level constraint layer steel pipe into the 1 st buckling layer, simultaneously sleeving the 2 nd-level constraint layer steel pipe outside the 1 st-level buckling layer steel pipe, and then connecting the 1 st-level other end socket with the 1 st buckling layer;
(3) connecting the 2 nd buckling layer with the 2 nd corresponding end socket, aligning the screw of the element in the step (2) with a concentric screw hole on the 2 nd end socket, penetrating the screw into the 2 nd buckling layer, sleeving the 3 rd layer steel pipe outside the 2 nd buckling layer steel pipe, and then transmitting the end socket at the other end of the 2 nd level out of the screw of the element in the step (2) and connecting the end socket with the 2 nd buckling layer;
(4) repeating the step (3) until the X-level end socket, the X-layer buckling layer steel pipe and the (X +1) -layer constraint layer steel pipe are assembled;
(5) and (4) fastening the 1 st-nth seal heads by matching the screw with the nut.
(6) And connecting the nth-stage end socket with the connecting piece.
For convenience of understanding, the embodiment of the present invention takes a two-layer buckling-restrained brace as an example, that is, when n is 2, the structural relationship of each device of the device is described as shown in fig. 3 to 4, where fig. 3 is a schematic cross-sectional structure diagram of the two-layer buckling-restrained brace in the embodiment; fig. 4 is an assembled schematic view of the device of fig. 3.
In fig. 3, each reference numeral is resolved: 1-a first inner restraint layer, 3-a second inner restraint layer, 2-a first buckling layer, 4-a second buckling layer, 5-a first-stage end socket, 6-a second-stage end socket, 7-an outer restraint layer, 8-a connecting piece and 9-a screw.
In fig. 4, first, the first-stage end socket 5 and the screw 9 are positioned, that is, the screw 9 is in place, the first inner constraint layer 1 and the first buckling layer 2 are positioned, and then welding is performed between the first-stage end socket 5 and the first buckling layer 2; secondly, positioning the second inner restraint layer 3, the second buckling layer 4 and the outer restraint layer 7, then positioning, positioning the second-stage end socket 6, and then welding between the second-stage end socket 6 and the second buckling layer 4; and finally, reliably fixedly connecting the connecting piece 8 with the end socket 6.
The end parts of the buckling layers 2 and 4 are sequentially and reliably connected with the seal head 5 and the seal head 6, and the seal head 5 and the seal head 6 are connected by bolts; the load along the longitudinal axis is transmitted to the seal heads 5 and 6 by the connecting piece 8 and then directly transmitted to the buckling layers 2 and 4 by the seal heads 5 and 6; the constraining layers 1, 3 and 7 only carry out transverse constraint on the buckling layers 2 and 4 and do not bear axial load, namely do not transmit the axial load.
In the embodiment of the invention, gaps are arranged between the constraint layers and the buckling layers at intervals, and the innermost layer and the outermost layer are both the constraint layers; the end parts of the buckling layers and the end sockets are firmly connected, the end parts of the constraint layers are not connected with the end sockets, and a space exists, namely the constraint layers are shorter than the restrained buckling layers.
The invention provides a concept of a multi-layer buckling support, which not only enables the steel pipe restrained buckling support to have proper bearing capacity, but also has an ideal buckling effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A buckling support device is characterized by comprising a pipe column body and a sealing head; wherein,
the pipe column body is formed by assembling (2n +1) layers of steel pipes, and comprises n layers of buckling layer steel pipes and (n +1) layers of restraining layer steel pipes; the steel pipes of the constraint layer and the steel pipes of the buckling layer are sleeved at intervals, and the innermost layer and the outermost layer of the pipe column body are both constraint layers; n is a natural number greater than 1;
the two ends of the buckling layer steel pipe are fixedly connected to a sealing head respectively, and the length of the restraint layer steel pipe is not more than that of the buckling layer steel pipe;
the end socket is composed of n-stage end sockets with concentric screw holes; wherein,
the diameter of the X-stage end socket is larger than the inner diameter of the steel pipe of the X-layer buckling layer, and the diameter of the X-stage end socket is not larger than the inner diameter of the steel pipe of the (X +1) -layer buckling layer;
two ends of the X-layer buckling layer steel pipe are fixedly connected with X-level corresponding end sockets respectively, and a screw rod penetrates through a concentric screw hole between n-level end sockets and is fastened by matching with a nut;
1≤X＜n。
2. the method of manufacturing a buckling restrained brace apparatus as claimed in claim 1, wherein the method comprises the steps of:
(1) inserting a screw rod into a screw hole of the 1 st-stage end socket, and fixing the head of the screw rod at the inner side of the 1 st-stage end socket;
(2) connecting the 1 st buckling layer with the 1 st-level arbitrary end socket, then loading the 1 st-level constraint layer steel pipe into the 1 st buckling layer, simultaneously sleeving the 2 nd-level constraint layer steel pipe outside the 1 st-level buckling layer steel pipe, and then connecting the 1 st-level other end socket with the 1 st buckling layer;
(3) connecting the 2 nd buckling layer with the corresponding end socket of the 2 nd level, aligning a screw rod with a concentric screw hole on the end socket of the 2 nd level, penetrating the screw rod into the 2 nd buckling layer, sleeving a 3 rd layer of constraint layer steel pipe outside the 2 nd layer of buckling layer steel pipe, penetrating the end socket at the other end of the 2 nd level out of the screw rod, and connecting the end socket with the 2 nd layer of buckling layer;
(4) repeating the step (3) until the X-level end socket, the X-layer buckling layer steel pipe and the (X +1) -layer constraint layer steel pipe are assembled;
(5) fastening the 1 st-nth seal heads by matching the screw with the nut;
(6) and connecting the nth-stage end socket with the connecting piece.
3. The method of manufacturing a buckling restrained brace apparatus as claimed in claim 1, wherein the method comprises the steps of:
(1) sleeving n layers of buckling layer steel pipes and (n +1) layers of constraint layer steel pipes alternately to form a column body, wherein the innermost layer and the outermost layer of the column body are constraint layers;
(2) and respectively fixedly connecting two end parts of each layer of buckling layer steel pipe in the column body at one side of the corresponding seal head.
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| CN201710368216.7A CN107023090B (en) | 2017-05-19 | 2017-05-19 | A kind of buckling support device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710368216.7A CN107023090B (en) | 2017-05-19 | 2017-05-19 | A kind of buckling support device and preparation method thereof |
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| CN107023090A CN107023090A (en) | 2017-08-08 |
| CN107023090B true CN107023090B (en) | 2019-11-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201598773U (en) * | 2009-10-23 | 2010-10-06 | 广州大学 | Trebling steel pipe anti-flex anti-seismic support |
| JP6184789B2 (en) * | 2013-07-25 | 2017-08-23 | Ｊｆｅスチール株式会社 | Damping / seismic composite material and building using the same |
| CN204326288U (en) * | 2014-04-22 | 2015-05-13 | 胡孔国 | The anti-buckling support of triple round steel pipe |
| CN204163223U (en) * | 2014-04-22 | 2015-02-18 | 中国电子工程设计院 | The anti-buckling support of triple round steel pipe |
| JP6552176B2 (en) * | 2014-10-03 | 2019-07-31 | 株式会社フジタ | Buckling restraint brace |
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