CN205329891U - Inside and outside double cannula retrains folding steel plate energy dissipation brace - Google Patents
Inside and outside double cannula retrains folding steel plate energy dissipation brace Download PDFInfo
- Publication number
- CN205329891U CN205329891U CN201620039661.XU CN201620039661U CN205329891U CN 205329891 U CN205329891 U CN 205329891U CN 201620039661 U CN201620039661 U CN 201620039661U CN 205329891 U CN205329891 U CN 205329891U
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- core cylinder
- energy dissipation
- outside
- plate
- steel plate
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Abstract
The utility model discloses an inside and outside double cannula retrains folding steel plate energy dissipation brace, be in including a core section of thick bamboo, setting interior sleeve pipe, setting in the core section of thick bamboo are in the end bearing plate of core section of thick bamboo both sides nozzle, set up including in the sleeve pipe with the inboard cross fixed plate of being connected of end bearing plate, connect at the cross gusset plate in the end bearing plate outside, connect the setting and be in the outside outer tube of a core section of thick bamboo, with the outer tube shrouding that the outer tube both ends are connected, a core section of thick bamboo is connected gradually by a plurality of power consumption units and forms. The utility model discloses utilize after its good surrender the power consumption ability to reduce the seismic response of building, simple manufacture, the installation of being convenient for, can use the structure antidetonation in the aspect of, alleviate earthquake disaster effectively.
Description
Technical field
This utility model belongs to building structure energy dissipation brace field, relates to the folding steel plate energy dissipation brace of double-jacket tube constraint inside and outside one。
Background technology
Earthquake is a kind of strong natural disaster, and during earthquake, building can be formed fatefulue destruction by the energy of release。For the protecting energy building discharged when absorbing earthquake, it is to avoid because building is damaged by excessive energy input, the security of the lives and property of protection people, buckling restrained brace device is widely used。
Buckling restrained brace is mainly made up of parts such as central layer, trocar sheath, non-cohesive materials。In this technology, central layer is main stress unit, and under geological process, central layer deforms and consumes the energy that earthquake inputs, thus reaching the purpose of protection main body frame。Inside and outside double-jacket tube is by the constraint to central layer, it is prevented that central layer produces lateral buckling affects its energy consumption effect。
But current buckling-restrained energy dissipation brace plastic hinge occurs less, the energy dissipation capacity of monoblock central layer can not be played, the yield point position of uncontrollable central layer, the quantity that uncontrollable plastic hinge occurs, this energy-dissipating property allowing for whole support can not realize accurate control, thus getting a desired effect。
Utility model content
Technical problem: this utility model provides a kind of core cylinder utilizing folding steel plate to be formed to replace central layer as main bearing member, after utilizing the surrender that it is good, energy dissipation capacity reduces the seismic response of building, make simple, it is easily installed, it is applicable to structural seismic aspect, effectively the folding steel plate energy dissipation brace of inside and outside double-jacket tube constraint of earthquake disaster mitigation。
Technical scheme: the inside and outside folding steel plate energy dissipation brace of double-jacket tube constraint of the present utility model, including core cylinder, it is arranged on the inner sleeve in described core cylinder, it is arranged on the termination bearing plate of described core cylinder both sides nozzle, plate fixed in the cross being arranged in inner sleeve and be connected inside the bearing plate of termination, it is connected to the cruciform gusset plate outside the bearing plate of termination, connect the trocar sheath being arranged on outside described core cylinder, the trocar sheath shrouding being connected with described trocar sheath two ends, described core cylinder is connected in sequence by multiple power consumption unit, described power consumption unit includes 4n antarafacial triangle, wherein 2n is the first kind, 2n is Equations of The Second Kind, each two first kind drift angle connects setting, constitute a packet, each two Equations of The Second Kind base connects setting, constitute a packet, first kind packet is grouped adjacent connection with Equations of The Second Kind, it is spliced into a cylindrical member, n is power consumption unit end polygon edge number, n >=3。
Further, in this utility model, the size of described termination bearing plate is equivalently-sized with the nozzle of core cylinder。
Further, in this utility model, it is provided with gap between core cylinder and inner sleeve, between core cylinder and trocar sheath, and is filled with non-cohesive material。
Further, in this utility model, cruciform gusset plate is welded with vertical ribbed stiffener。
Steel plate is adopted the mode of punching press to make it folding line occur by folding steel plate energy dissipation brace, be equivalent to introduce initial imperfection among steel plate, and then the position that plastic hinge occurs can be controlled, make plastic hinge occur near folding line, it is also possible to control the quantity of plastic hinge by controlling the quantity of folding line。Then the Plate Welding after punching press is become tubular, add stability simultaneously, be not susceptible to out-of-plane buckling。
Inside and outside this utility model, the folding steel plate energy dissipation brace of double-jacket tube constraint is made up of core cylinder, inner sleeve, trocar sheath, termination bearing plate, the fixing plate of cross, cruciform gusset plate, non-cohesive material, trocar sheath shrouding, ribbed stiffener；Its SMIS cylinder is to be become tubular by general steel plate through punch welding, and its folded section is made up of the power consumption unit that physical dimension is identical。And power consumption cell cube four sides all adopts identical folding line, its structural form is relatively easy, easy to make；Termination bearing plate is connected with core cylinder, cruciform gusset plate, the fixing plate of cross, and load passes to core cylinder uniformly。The position of inner sleeve determined by the fixing plate of cross, is welded in inside the bearing plate of termination。This support is connected by cruciform gusset plate with framework。Trocar sheath is stuck on cruciform gusset plate by termination shrouding。Inside and outside double-jacket tube restriction power consumption section folding line place occurs that excessive deformation affects the energy-dissipating property of whole support。Non-cohesive material is covered in inside and outside double-jacket tube outer surface, weakens the friction between inside and outside double-jacket tube and core cylinder。Ribbed stiffener is welded on cruciform gusset plate, it is prevented that cruciform gusset plate compressive buckling。
The inside and outside folding steel plate energy dissipation brace of double-jacket tube constraint of the present utility model, is made up of nine parts, respectively inner sleeve, trocar sheath, trocar sheath shrouding, termination bearing plate, core cylinder, cruciform gusset plate, cross fixing plate, non-cohesive material, ribbed stiffener。
Its core is core cylinder, and core cylinder has embodied a concentrated reflection of the design principle of utility model, and illustrates during for n=4。。
Described core cylinder, in Fig. 1 shown in 1, it is that steel plate forms through punch welding, the power consumption unit being made up of one or more simple geometry figures can be formed through punching press, form tubular then through welding, as shown in Figure 4, for ensureing good energy dissipation capacity, just with processing, steel used preferentially adopt mild steel, Q235 or high performance steel, and steel plate thickness used is not preferably greater than 50mm。
Described inside and outside double-jacket tube, in Fig. 1 shown in 6,7, preferential employing steel are made, it is possible to be round steel pipe, square steel tube, existing steel pipe specification on preferential use market。
Described non-cohesive material is arranged between core cylinder and inside and outside double-jacket tube, and in Fig. 1 shown in 5, non-cohesive material is the layer of silica gel that 2mm is thick, is used for the friction weakening between inside and outside double-jacket tube and core cylinder。
Described termination bearing plate is arranged at core cylinder both ends, in Fig. 1 shown in 3, is cut into by high strength steel plate and the hexahedron of the unit side-anastomosis that consumes energy, is welded in core cylinder two ends。
In described trocar sheath shrouding such as Fig. 1,8 are welded in trocar sheath two ends, fixed jacket pipe position。
Plate fixed in described cross, is welded in inside the bearing plate of termination in Fig. 1 shown in 4, the position of restriction inner sleeve。
Described cruciform gusset plate, in Fig. 1 shown in 2, adopts the steel identical with termination bearing plate, is welded in outside the bearing plate of termination。
Described ribbed stiffener, in Fig. 1 shown in 9, is welded on cruciform gusset plate, is made up of four identical triangular steel plate。
Beneficial effect: this utility model compared with prior art, has the advantage that
Existing buckling restrained brace adopts trocar sheath to limit the flexing of its central layer, it is impossible to controls central layer and position and the quantity of plastic hinge occurs so that the energy dissipation capacity of existing buckling restrained brace does not reach desirable effect。Creationary in this utility model introduce core cylinder, and it is respectively provided with sleeve pipe inside and outside core cylinder, make core cylinder and sleeve pipe collaborative work, when core cylinder bearing load and casing-contact, utilize contacting with each other of sleeve pipe and core cylinder, increase the rigidity of core cylinder, improve its ultimate bearing capacity, the hysteretic energy performance of core cylinder can also be improved, thus consume the energy that building is inputted by earthquake better when earthquake simultaneously。
The side of this core cylinder all adopts triangle folding line, folding line form is succinct, it is convenient for punching press to make, when bearing geological process, it is limited primarily by the xial feed that building frame transmits, this xial feed can be pulling force, can also be pressure, when it is subject to load action, it is possible to occur to stretch or compression so that this core cylinder slides in two sleeve pipes, core cylinder is produced effect of contraction by sleeve pipe, prevent core cylinder generation out-of-plane buckling so that it is can only occur to stretch or compression at its length direction, to guarantee its energy-dissipating property。
Inside and outside this utility model, the central layer in existing buckling restrained brace is replaced by the core cylinder formed by folding steel plate by the folding steel plate energy dissipation brace of double-jacket tube constraint。Pass through stamping steel plate, there is folding line in core cylinder, it is artificially induced defect, make this be supported on folding line place and occur that plastic hinge absorbs energy, improve the performance under its low cycling loads, increase its hysteretic energy ability, the number that plastic hinge occurs can also be controlled by controlling the quantity of folding line simultaneously, and when being welded with ribbed stiffener on the cruciform gusset plate of this support to prevent its pressurized, flexing occurs。
This utility model produces pre-folding line by folding steel plate, yield line can be produced at folding line place when bearing load, utilize yield line to increase the energy dissipation capacity of this support, it is respectively provided with sleeve pipe in the inside of core cylinder and outside simultaneously, improve the hoop constraint to core cylinder, it is simple to improve rigidity and the ultimate bearing capacity of this support。This support adopts folding steel plate core cylinder to replace the central layer in existing utility model so that it is having good plasticity distribution, core cylinder can realize many places folding line and plastic hinge occurs, adds the energy dissipation capacity of support。This support processing and fabricating is simple, easy for installation, has good shock resistance and energy dissipation capacity, is a kind of outstanding energy dissipation component。
Accompanying drawing explanation
Fig. 1 is the folding steel plate energy dissipation brace structural map of inside and outside double-jacket tube constraint。
Fig. 2 is termination bearing plate connecting structure detail drawing
Fig. 3 is Section A-A structural map
Fig. 4 is power consumption unit module structural map, and wherein Fig. 4 a is power consumption unit shaft mapping, and Fig. 4 b is power consumption unit left view, and Fig. 4 c is power consumption unit front view
Fig. 5 is steel plate folding line pattern
Fig. 6 is power consumption cell node coordinate schematic diagram。
Fig. 7 is power consumption unit size schematic diagram, and wherein Fig. 7 a is the power consumption unit projection to YZ face, and Fig. 7 b is in the congruent triangles of this unit of composition。
Figure has: 1. core cylinder, 2. cruciform gusset plate, 3. termination bearing plate, 4. the fixing plate of cross, 5. non-cohesive material, 6. inner sleeve, 7. trocar sheath, 8. trocar sheath shrouding, 9. ribbed stiffener。
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, this utility model is further described。
Embodiment 1
Shown in below figure 1 to Fig. 5, this utility model is made up of core cylinder 1, cruciform gusset plate 2, termination bearing plate 3, the fixing plate 4 of cross, inner sleeve 5, non-cohesive material 6, trocar sheath 7, trocar sheath shrouding 8, ribbed stiffener 9 nine part。Core cylinder 1 is through being stamped and formed out different simple geometry figures by steel plate, then carries out being welded to tubular。As shown in Figure 4, in the present embodiment, the geometric figure on core cylinder 1 is the combination of isosceles triangle。Fig. 5 is the folding line pattern in this embodiment。As in figure 2 it is shown, what be connected with core cylinder 1 is termination bearing plate 3, termination bearing plate 3 is welded in core cylinder 1 nozzle four limit, and termination bearing plate 3 size is equivalently-sized with core cylinder 1 nozzle。Meanwhile, the fixing plate 4 of cross is welded in inside termination bearing plate 3。Termination bearing plate 3 opposite side welds with cruciform gusset plate 2, and cruciform gusset plate is connected with framework, and cruciform gusset plate is welded with ribbed stiffener 9。Being coated with non-cohesive material 5 on inner sleeve 6 outer wall and trocar sheath 7 inwall, this non-cohesive material adopts layer of silica gel, and thickness is 2mm。
Embodiment 2
The present embodiment is identical with embodiment 1 remainder, the difference is that inside and outside double-jacket tube being changed to the pipe of other shapes to provide constraint。
Spatial configuration for more clearly from expressor unit, set up rectangular coordinate system in space and the coordinate of each node is described, as shown in Figure 6, zero O is the center of subelement, makes X-axis with the diagonal FH place straight line of tetragon EFGH, and pointing to H from F is positive direction, Z axis is made with this tetragon another diagonal EG place straight line, being pointed to G by E is positive direction, and to cross some O and the straight line vertical with X-axis, Z axis as Y-axis, positive direction be from face ABCD sensing face IJKL.
Power consumption unit size to meet following condition, and (θ is the dihedral angle of △ DCG and △ LKG, α is the angle of △ DCG and XY face, a is the length of side of square ABCD, b is the catercorner length of square EFGH, c is the length of the waist of any one isosceles triangle of composition subelement, d is the height on this isosceles triangle base, and l is the subelement projected length along Y direction):
θ=π-2 α。
Each node coordinate is:
Above-described embodiment is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; under the premise without departing from this utility model principle; some improvement and equivalent replacement can also be made; this utility model claim is improved and is equal to the technical scheme after replacing by these, each falls within protection domain of the present utility model。
Claims (4)
1. the folding steel plate energy dissipation brace of double-jacket tube constraint inside and outside a kind, it is characterized in that, this energy dissipation brace includes core cylinder (1), it is arranged on the inner sleeve (6) in described core cylinder (1), it is arranged on the termination bearing plate (3) of described core cylinder (1) both sides nozzle, the fixing plate (4) of the cross being arranged in inner sleeve (6) and be connected inside termination bearing plate (3), it is connected to the cruciform gusset plate (2) in termination bearing plate (3) outside, connect and be arranged on the trocar sheath (7) that described core cylinder (1) is outside, the trocar sheath shrouding (8) being connected with described trocar sheath (7) two ends, described core cylinder (1) is connected in sequence by multiple power consumption unit, described power consumption unit includes 4n antarafacial triangle, wherein 2n is the first kind, 2n is Equations of The Second Kind, each two first kind drift angle connects setting, constitute a packet, each two Equations of The Second Kind base connects setting, constitute a packet, first kind packet is grouped adjacent connection with Equations of The Second Kind, it is spliced into a cylindrical member, n is power consumption unit end polygon edge number, n >=3。
2. the inside and outside folding steel plate energy dissipation brace of double-jacket tube constraint according to claim 1, it is characterised in that the size of described termination bearing plate (3) is equivalently-sized with the nozzle of core cylinder (1)。
3. the inside and outside folding steel plate energy dissipation brace of double-jacket tube constraint according to claim 1 and 2, it is characterized in that, it is provided with gap between described core cylinder (1) and inner sleeve (6), between core cylinder (1) and trocar sheath (7), and is filled with non-cohesive material (5)。
4. the inside and outside folding steel plate energy dissipation brace of double-jacket tube constraint according to claim 1 and 2, it is characterised in that be welded with vertical ribbed stiffener (9) on described cruciform gusset plate (2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039661.XU CN205329891U (en) | 2016-01-15 | 2016-01-15 | Inside and outside double cannula retrains folding steel plate energy dissipation brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039661.XU CN205329891U (en) | 2016-01-15 | 2016-01-15 | Inside and outside double cannula retrains folding steel plate energy dissipation brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205329891U true CN205329891U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620039661.XU Withdrawn - After Issue CN205329891U (en) | 2016-01-15 | 2016-01-15 | Inside and outside double cannula retrains folding steel plate energy dissipation brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205329891U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544763A (en) * | 2016-01-15 | 2016-05-04 | 东南大学 | Internal and external double-sleeve restraining folded steel plate energy-consuming support |
| CN112609899A (en) * | 2020-12-09 | 2021-04-06 | 重庆大学 | Rigid paper folding structure with special shape inside and outside |
| US11447971B1 (en) | 2021-03-05 | 2022-09-20 | WELL-LINK INDUSTRY Co., LTD | Energy dissipation device |
-
2016
- 2016-01-15 CN CN201620039661.XU patent/CN205329891U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544763A (en) * | 2016-01-15 | 2016-05-04 | 东南大学 | Internal and external double-sleeve restraining folded steel plate energy-consuming support |
| CN105544763B (en) * | 2016-01-15 | 2018-07-20 | 东南大学 | Inside and outside double-jacket tube constraint folds steel plate energy dissipation brace |
| CN112609899A (en) * | 2020-12-09 | 2021-04-06 | 重庆大学 | Rigid paper folding structure with special shape inside and outside |
| CN112609899B (en) * | 2020-12-09 | 2022-04-26 | 重庆大学 | Rigid paper folding structure with special shape inside and outside |
| US11447971B1 (en) | 2021-03-05 | 2022-09-20 | WELL-LINK INDUSTRY Co., LTD | Energy dissipation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20180720 |