CN102493570B - Multi-stage series anti-buckling support and manufacturing method - Google Patents
Multi-stage series anti-buckling support and manufacturing method Download PDFInfo
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- CN102493570B CN102493570B CN 201110426734 CN201110426734A CN102493570B CN 102493570 B CN102493570 B CN 102493570B CN 201110426734 CN201110426734 CN 201110426734 CN 201110426734 A CN201110426734 A CN 201110426734A CN 102493570 B CN102493570 B CN 102493570B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
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- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
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Abstract
The invention relates to a multi-stage series anti-buckling support and a manufacturing method; the multi-stage series anti-buckling support is a slender rod piece formed by an axial force rod and a constraint object wrapping the periphery of the axial force rod, wherein a gap A is remained between the axial force rod and the constraint object; the slender rod piece comprises a left end force transmitting unit I, a right end force transmitting unit M, a middle force transmitting unit K and at least two energy consumption units, wherein the two energy consumption units are connected in series,and the two energy consumption units have different yield strengths; at least one of the left end force transmitting unit I, the right end force transmitting unit M and the middle force transmitting unit K is matched with a lug through a blocking groove to form a movable force transmitting and distributing mechanism; and a gap B is remained between the blocking groove and the lug. The multi-stageseries anti-buckling support can realize the grading operation of the energy consumption units, meets the requirements for low yield and large deformation, and can be widely applied to energy consumption and shock absorption of buildings.
Description
Technical field
The present invention relates to a kind of antidetonation supporting member and preparation method thereof, particularly the adjustable power consumption of a kind of energy dissipation capacity is supported and preparation method thereof.
Background technology
It is by the next catabiotic member of the axial push-pull of steel that anti-flexing supports, it supports inner core by anti-flexing and constraint component constitutes, acting as of constraint component prevents that inner core from the multistage flexing taking place when pressurized, make inner core can both reach all fully surrender under pulling force and pressure effect.Can better consume the seismic energy of input structure, thereby play the energy dissipation effect.
Desirable anti-flexing supports and requires its performance to be: low surrender, guarantee under little shake, just can consume energy; Energy dissipation capacity is big, guarantees also can reach under big shake the effect of damping power consumption; Deflection is big, adapts with the stratified deformation of building under the geological process.Yet in reality was implemented, above-mentioned technical requirements can not realize in a continuous supporting rod.In order to optimize anti-flexing support performance, the scientific research personnel supports close from two desirable anti-flexings of aspect whereabouts, and one is the material by change power consumption core space, and one is to change the form of structure that power consumption is supported.By changing the method for power consumption core space material, be subjected to the restriction of material subject achievement in research, the data that can retrieve is situation plumbous and that steel are used at present, this kind situation is that the power consumption section of power consumption core space is that frictional force by lead consumes energy with lead, and plumbous frictional force is difficult to control, major influence factors has, contact area, normal pressure and plumbous friction factor.Therefore, improving power consumption supports the form of structure that convenient mode more supports from power consumption and starts with.Existing form of structure has single-stage, plural serial stage and plural parallel stage, wherein, the low yield behavior of single-stage is poor, deformability is general, plural parallel stage energy dissipation capacity instability, deflection is general, each power consumption core is worked simultaneously, the anti-flexing support of the plural serial stage that can retrieve at present is simple butt joint to be supported in two power consumptions form, if two power consumption unit yield forces are identical, then initial deformation is big, can't satisfy the requirement of low surrender, if the yield force difference, unstability can take place in the power consumption unit that energy dissipation capacity is little.And the said structure form is the clear and definite power transmission mechanism that arranges, and can't accurately control each power consumption section and enter the moment of work, and can be easy to occur supporting the situation of catastrophic failure because can't accurately control displacement.
Summary of the invention
The purpose of this invention is to provide the anti-flexing of a kind of plural serial stage and support and preparation method, solve the anti-flexing of existing plural serial stage and support the requirement that to satisfy low surrender and lack effective anti-fracture protection mechanism and cause consuming energy and support the technical problem of catastrophic failure.
For achieving the above object, the present invention adopts following technical scheme:
The anti-flexing of a kind of plural serial stage supports, be axle power bar and the slender type rod member that is wrapped in power bar obligatory point formation on every side, be reserved with gap A between described axle power bar and the obligatory point, described slender type rod member comprises power transmission unit, left part I, power transmission unit, right part M, middle power transmission unit K and at least two power consumption unit sections, be series relationship between the described power consumption unit, wherein, each power consumption unit section has different yield forces, described left part power transmission unit I, power transmission unit, right part M, has one among the middle power transmission unit K at least by groove and the movable power transmission distribution mechanism of projection cooperation formation, be reserved with gap B between described groove and the projection, described axle power bar in the cross section of all power consumption unit sections all than at power transmission unit, left part I, power transmission unit, right part M, cross section in the middle power transmission unit K section is little.
Described groove is opened on axle power bar, the obligatory point or open simultaneously above-mentioned on both, and described projection and obligatory point or an axle power bar are fixed as one, or independent, and groove and projection are corresponding one by one.
Described axle power bar is steel plate, i iron, cross-shaped steel or steel plate and shaped steel combination.
Described obligatory point is square steel, concrete filled steel tube, square steel pipe concrete or concrete-filled rectangular steel tube.
The concrete inwall of described concrete filled steel tube or square steel pipe is provided with baffle plate.
All be filled with paraffin goods or polytetrafluoroethylene (PTFE) in described gap A and the gap B.
The width of described gap B is 0～200mm.
The preparation method that the anti-flexing of described plural serial stage supports comprises the steps:
Compared with prior art the present invention has following characteristics and beneficial effect:
The present invention realizes the purpose of classification displacement control by projection and groove and a plurality of power consumptions unit in parallel are set, classification work by each power consumption unit, improved the deformability that anti-flexing supports, simultaneously, because projection improves the globality of whole curvature-prevention support component realizing can participating in power transmission when displacement distributes.
Controllable deforming amount of the present invention depends on the summation of all power consumption element deformation amounts, and the member of can realizing consuming energy is initial to be surrendered low and needs that bulk deformation is big.
In addition, member of the present invention and power consumption material are steel, and the material source scope is wide, and cost is low, and long service life simultaneously, owing to enlarged the controllable deforming amount, has enlarged the scope of application that power consumption is supported then.
Secondly, by adopting the definite steel of yield point and the power transmission mechanism of concavo-convex cooperation, realize that distortion is controlled fully.
Also have; be set to the form of groove and projection cooperation by transmission mechanism; improved the shear resistance at transmission position; prevent the unexpected fracture in violent earthquake effect lower support; prolonged the application life of supporting; be conducive to realize the target of setting up defences of " no collapsing with strong earthquake ", can have farthest protected lives and properties.
Moreover power consumption of the present invention is supported and can be carried out segmentation production according to actual, and assembling flexibly according to actual needs can realize intensive production then, reduces production costs, and enlarges range of application.
The present invention can be widely used in the energy-dissipating and shock-absorbing of building.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is the embodiment of the invention one structure side diagram.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the C-C sectional view of Fig. 1.
Fig. 5 is the D-D sectional view of Fig. 1.
Fig. 6 is the E-E sectional view of Fig. 3.
Fig. 7 is the embodiment of the invention two structure side diagrams.
Fig. 8 is the F-F sectional view of Fig. 6.
Fig. 9 is the G-G sectional view of Fig. 6.
Figure 10 is the H-H sectional view of Fig. 6.
Figure 11 is the embodiment one that the power transmission allocation units partly cooperate by independent projection and groove C.
Figure 12 is the embodiment two that passes through independent projection and groove C cooperation of power transmission allocation units.
Figure 13 is the hysteresis loop that common anti-flexing supports.
Figure 14 is the hysteresis loop that structural test of the present invention obtains.
Reference numeral: 1-cross steel plate axle power bar, 1.1-projection A, 2-concrete filled steel tube obligatory point, 2.1-groove A, 3-assembling bolt, the oval keyhole of 4-, 5-circle keyhole, 6-gap A, 7-gap B, 8-clearance C, 9-H shaped steel axle power bar, 9.1-groove B, 10-square steel obligatory point, the additional steel plate of 10.1-projection B, 11-, 12-baffle plate, 13-independence projection, 14-groove C.
The specific embodiment
Embodiment one is extremely shown in Figure 6 referring to Fig. 1, the anti-flexing of a kind of plural serial stage supports, comprise spool power bar and an obligatory point, be reserved with gap A6 between the two, described obligatory point is concrete filled steel tube obligatory point 2, be wrapped in a power bar periphery, described axle power bar is cross steel plate axle power bar 1, only be kept perfectly in two ends and middle part cross section and obligatory point forms the power transmission unit together, the cross steel plate axle power bar 1 of remainder removes that wing plate only keeps web and obligatory point forms power consumption unit J and power consumption unit L together, between power consumption unit J and the power consumption unit L by middle power transmission unit K formation series relationship.Wherein, the consume energy surrender ability at L place, unit of the surrender ability of axle power bar at power consumption J place, unit is low, for achieving the above object, the power consumption core is only served as with the web of cross steel plate axle power bar 1 by J place, unit in power consumption, two blocks of additional steel plates 11 sentencing that web with cross steel plate axle power bar 1 be arranged in parallel at power consumption unit L and the web of cross steel plate axle power bar 1 serve as the power consumption core jointly, wherein, be reserved with clearance C 8 between additional steel plate 11 and the web.At power transmission unit, left part I, right part power transmission unit M and K place, middle power transmission unit, have outstanding projection A1.1 on the web of cross steel plate axle power bar 1, concrete filled steel tube obligatory point 2 caves in and forms groove A2.1, and groove A2.1 and projection A1.1 are complementary and are reserved with gap B7 between the two.All can fill the material that increases sliding capability or material in above-mentioned gap A6, gap B7 and the clearance C 8 such as paraffin goods or polytetrafluoroethylene (PTFE).Described axle power bar is all little than the cross section in power transmission unit, left part I, power transmission unit, right part M, middle power transmission unit K section in the cross section of all power consumption unit sections.During work, the cross steel plate axle power bar 1 unit J elder generation participation work of consuming energy under external force, after the edge comprehensive engagement of the edge of the projection 1.1 on the cross steel plate axle power bar 1 and the groove A2.1 on the concrete filled steel tube obligatory point 2, " short circuit " takes place in this power consumption unit J, deactivate, the external force that exceeds all conducts to next power consumption unit L by projection A1.1, if having a plurality of power consumptions unit can and the like, until total cross-section participation work.This duty shows the working in reciprocating mode in the tension and compression process.
Embodiment two is extremely shown in Figure 10 referring to Fig. 7, the anti-flexing of a kind of plural serial stage supports, be axle power bar and the slender type rod member that is wrapped in power bar obligatory point formation on every side, be reserved with gap A between described axle power bar and the obligatory point, described slender type rod member comprises two left parts power transmission unit I, right part power transmission unit M and middle power transmission unit K and at least two power consumption unit, described obligatory point is square steel obligatory point 10, described axle power bar is H shaped steel axle power bar 9, described square steel obligatory point 10 is attached to H shaped steel axle power bar 9 both sides, be kept perfectly in two ends and middle part cross section and obligatory point of 9 on described H shaped steel axle power bar forms the power transmission unit together, the remainder removal edge of a wing only keeps web and square steel obligatory point 10 forms power consumption unit J and power consumption unit L together, form series relationship by middle power transmission unit K between power consumption unit J and the power consumption unit L, described left part power transmission unit I and the M activity of power transmission unit, right part, by contracting in the web of H shaped steel axle power bar 9 is formed groove B9.1, square steel obligatory point 10 evaginations form projection B10.1, groove B9.1 and projection B10.1 are complementary and are reserved with gap B7 between the two and guarantee that projection B10.1 can be free to slide in groove B9.1, and correspondence has oval keyhole 4 on the square steel obligatory point 10 in this section and the H shaped steel axle power bar 9, oval keyhole 4 is passed in assembling bolt 3, and H shaped steel axle power bar 9 and square steel obligatory point 10 is fixing; Power transmission unit K fixes in the middle of described, by correspondence on the H shaped steel axle power bar 9 in this section and the square steel obligatory point 10 is opened round keyhole 5, round keyhole 5 fixedly connected realizations is passed in assembling bolt 3.Wherein, the power consumption core is only served as with the web of H shaped steel axle power bar 9 by J place, unit in power consumption, and two blocks of additional steel plates 11 sentencing that web with H shaped steel axle power bar 9 be arranged in parallel at the unit L that consumes energy and the web of H shaped steel axle power bar 9 serve as the power consumption core jointly.During work, H shaped steel axle power bar 9 is under external force in the participation work of power consumption unit J elder generation, when H shaped steel axle power bar 9 cards withstand on the edge of the projection B10.1 on the obligatory point, power consumption unit L deactivates, the external force that exceeds all conducts to next power consumption unit L by projection B10.1, if have a plurality of power consumptions unit can and the like, until total cross-section participation work.This duty shows the working in reciprocating mode in the tension and compression process.
In above-described embodiment, described axle power bar also can be steel plate, i iron, cross-shaped steel or steel plate and shaped steel combination.Described obligatory point also can be square steel, concrete filled steel tube, square steel pipe concrete or concrete-filled rectangular steel tube.The inwall of described concrete filled steel tube, square steel pipe concrete or concrete-filled rectangular steel tube also can be provided with baffle plate 12.The width of described gap B is 0～200mm.
In addition, can be by on axle power bar and obligatory point, all having equal and opposite in direction groove C14 one to one in the movable power transmission unit, place independent projection 13 in the groove C14, realize the transmission of displacement control and axle power by the slip of independent projection 13 in groove C14, referring to Figure 11 and 12, wherein among Figure 11, groove C14 and the independent projection 13 of a pair of concavo-convex cooperation are set on each power transmission unit, two power transmission parts on an axis up and down, among Figure 12, two power transmission parts also can be not on an axis up and down.In addition, groove is that the dovetail groove effect is better, and at this moment, shape and the groove shapes of slide block are complementary.In addition, power consumption unit L can only be a block plate, and thickness is different with the J place, unit of consuming energy can be realized that yield force is different and get final product.The power consumption cell mesh all can as long as can realize the long-pending any way that significantly reduces of partial cross section in this section except mode described in above-described embodiment.
The preparation method that the anti-flexing of described plural serial stage supports comprises the steps:
Figure 14 is that embodiment one described member carries out load test, the hysteresis loop that obtains, Figure 13 is the hysteresis loop that common anti-flexing supports, from the hysteresis loop contrast as can be seen, the present invention can realize first section low surrender and surrender step by step, and support with respect to existing power consumption, its hysteresis loop is fuller, can satisfy the needs that low surrender large deformation is supported in power consumption.
In actual engineering, for intensive production and accelerating construction progress, power transmission unit and power consumption unit sectional making can be assembled flexibly according to actual requirement of engineering.
Claims (8)
1. the anti-flexing of plural serial stage supports, be axle power bar and the slender type rod member that is wrapped in power bar obligatory point formation on every side, be reserved with gap A(6 between described axle power bar and the obligatory point), it is characterized in that: described slender type rod member is divided into power transmission unit, left part I, power transmission unit, right part M, middle power transmission unit K and at least two power consumption unit, be series relationship between the described power consumption unit, wherein, each power consumption unit has different yield forces, described left part power transmission unit I, power transmission unit, right part M, has one among the middle power transmission unit K at least by groove and the movable power transmission distribution mechanism of projection cooperation formation, be reserved with gap B(7 between described groove and the projection), the cross section of described axle power bar in all power consumption unit sections is all than at power transmission unit, left part I, power transmission unit, right part M, cross section in the middle power transmission unit K section is little.
2. the anti-flexing of plural serial stage according to claim 1 supports, it is characterized in that: described groove is opened on axle power bar, the obligatory point or open above-mentioned on both simultaneously, described projection and obligatory point or an axle power bar are fixed as one, or independent, and groove and projection are corresponding one by one.
3. the anti-flexing of plural serial stage according to claim 1 supports, and it is characterized in that: described axle power bar is steel plate, i iron, cross-shaped steel or steel plate and shaped steel combination.
4. the anti-flexing of plural serial stage according to claim 1 supports, and it is characterized in that: described obligatory point is square steel, concrete filled steel tube, square steel pipe concrete or concrete-filled rectangular steel tube.
5. the anti-flexing of plural serial stage according to claim 4 supports, and it is characterized in that: the concrete inwall of described concrete filled steel tube or square steel pipe is provided with baffle plate (12).
6. the anti-flexing of plural serial stage according to claim 1 supports, and it is characterized in that: described gap A(6) and gap B(7) in all be filled with paraffin goods or polytetrafluoroethylene (PTFE).
7. the anti-flexing of plural serial stage according to claim 1 supports, and it is characterized in that: width described gap B(7) is 0～200mm.
8. the assembly method that supports according to the anti-flexing of any described plural serial stage of claim 1 to 7 is characterized in that: comprise the steps:
Step 1, according to predetermined left part power transmission unit I, right part power transmission unit M and middle power transmission unit K section length and each power consumption unit section length axle power bar is processed at power transmission unit, section ratio left part I, the right part power transmission unit M of power consumption unit section and the little rod member in cross section in the middle power transmission unit K section, and makes the energy dissipation capacity difference of each power consumption unit core space;
Step 2, at least one arranges groove and projection in power transmission unit, left part I, right part power transmission unit M and middle power transmission unit K, the power transmission unit of formation activity;
Step 3 is arranged on an outside of power bar with obligatory point, preset clearance A between the two, and make a power bar become as a whole with obligatory point.
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| CN110067425A (en) * | 2019-04-02 | 2019-07-30 | 滁州职业技术学院 | A kind of anti-buckling constraint support of high anti-seismic |
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| TWM256409U (en) * | 2004-03-25 | 2005-02-01 | Chao-Hung Cheng | Disposing type dual-opening confined ductile buckling restrained brace |
| CN2753823Y (en) * | 2004-12-09 | 2006-01-25 | 谢强 | Angle steel buckling-free energy-dissipating support |
| CN201037278Y (en) * | 2007-04-12 | 2008-03-19 | 北京建院科技发展有限公司 | H-shaped steel flexion-proof energy-dissipating support |
| CN100560884C (en) * | 2007-07-10 | 2009-11-18 | 中国建筑科学研究院 | The buckling-restrained support of a kind of band diaphragm bilayer sleeve in-line |
| CN101463634B (en) * | 2008-12-05 | 2011-07-27 | 北京工业大学 | Buckling-restrained brace with end having energy dissipation lead box and method for producing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110067425A (en) * | 2019-04-02 | 2019-07-30 | 滁州职业技术学院 | A kind of anti-buckling constraint support of high anti-seismic |
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Effective date of registration: 20230909 Address after: Room 406, 4th Floor, Building 1, No. A1 Guanghua Road, Tongzhou District, Beijing, 101104 Patentee after: BIAD TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: No. 62 Nanlishi Road, Xicheng District, Beijing, 100038 Patentee before: Miao Qisong Patentee before: Zhou Jian |