CN1303295C - Super elastic shape memory alloy damper for rope, cable and slender rod - Google Patents
Super elastic shape memory alloy damper for rope, cable and slender rod Download PDFInfo
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- CN1303295C CN1303295C CNB2005100381822A CN200510038182A CN1303295C CN 1303295 C CN1303295 C CN 1303295C CN B2005100381822 A CNB2005100381822 A CN B2005100381822A CN 200510038182 A CN200510038182 A CN 200510038182A CN 1303295 C CN1303295 C CN 1303295C
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Abstract
The present invention relates to a super elastic shape memory alloy damper for a rope, a cable and a slender rod, which is device for shock (earthquake) resistance and vibration (earthquake) reduction of civil engineering. The damper is composed of end flanges, an outer steel pipe, an inner steel pipe and a shape memory alloy wire, wherein the number of the end flanges is two, and each end flange is respectively composed of an upper semi-circular disc (2) of the end flange and a lower semi-circular disc (1) of the end flange. The two end flanges are respectively positioned at both ends of the outer steel pipe which is composed of a lower semicircle (9) of the outer steel pipe and an upper semicircle (10) of the outer steel pipe. The inner steel pipe which is composed of an upper semicircle (6) of the inner steel pipe and a lower semicircle (7) of the inner steel pipe is positioned at the center of the outer steel pipe, and both ends of the inner steel pipe respectively pass through the center holes of the end flanges. An inner circular disc which is composed of an inner lower semi-circular disc (11) and an inner upper semi-circular disc (12) is arranged on the outer wall of the inner steel pipe arranged in the outer steel pipe. A shape memory alloy wire (5) passes through the unthreaded hole (13) of the inner circular disc, and both ends of the shape memory alloy wire (5) are fixed on a fixture (8).
Description
Technical field
The present invention is a kind of antivibration (shake) of civil engineering and the device of vibration damping (shake) usefulness, belongs to the technical field that vibration absorber is made.
Background technology
Under loadings such as wind, earthquake, the rope in the structures such as bridge, cable, slender rod type member are often bigger perpendicular to the oscillation crosswise displacement of their length (axis) direction.The vibration of using damper to suppress rope, cable, elongate rod etc. is a kind of effective means, rope, cable, the elongate rod damper that uses can effectively provide folk prescription to damping at present, can effectively suppress rope, cable, elongate rod certain face (this bread contains the axis of rope, cable, elongate rod) in the oscillation crosswise displacement, to the oscillation crosswise restraint of displacement effect in other face a little less than, wherein the most weak to inhibition effect perpendicular to the oscillation crosswise of this face.And because outer variation of carrying, the oscillation crosswise direction of rope, cable, elongate rod is changeable and at random.Existing rope, cable, elongate rod because self structure, can not suppress that rope, cable, elongate rod are at random, multidirectional oscillation crosswise displacement with damper comprehensively.
Summary of the invention
Technical problem: the objective of the invention is by appropriate design and selection, create a kind of rope, cable, elongate rod super elastic shape memory alloy damper.This kind damper can suppress the oscillation crosswise displacement in all directions face of rope, cable, elongate rod simultaneously, thereby can more effectively suppress rope, cable, slender rod type member vibratory response, quicken the decay of this class A of geometric unitA vibration, prolong the application life of this class A of geometric unitA.
Technical scheme: the present invention selects for use marmem as the power consumption material.Specifically utilize the superelastic effect dissipative structure vibrational energy of marmem, reduce the structural vibrations response.
This damper is made up of end flange, outer steel pipe, interior steel pipe, shape-memory alloy wire, end flange has two, each end flange is respectively by first disk of end flange, second disk of end flange is formed, central authorities in this end flange are provided with a mesopore, establish the end flange unthreaded hole on the circumference of this end flange, these two end flange lay respectively at the outer steel pipe two ends of being made up of outer steel pipe lower half circle, outer steel pipe upper semi-circle; The interior steel pipe of being made up of interior steel pipe upper semi-circle, interior steel pipe lower half circle is positioned at the central authorities of outer steel pipe, and two of interior steel pipe passes the mesopore of end flange respectively; The outer wall of the interior steel pipe in the steel pipe is provided with two internal circular discs of being made up of internal lower semi-circular disc, internal upper semi-circular disc outside, is provided with the internal circular disc unthreaded hole on the circumference of this internal circular disc; Be provided with anchor clamps in the end flange unthreaded hole, shape-memory alloy wire passes the internal circular disc unthreaded hole, and two of shape-memory alloy wire is fixed on the anchor clamps; Between end flange and the outer steel pipe, between outer steel pipe lower half circle and the outer steel pipe upper semi-circle, between interior steel pipe upper semi-circle and the interior steel pipe lower half circle, be connected and fixed by bolt between internal lower semi-circular disc and the internal upper semi-circular disc.End flange unthreaded hole on the end flange is corresponding with the internal circular disc unthreaded hole on the internal circular disc, and the center of circle that is evenly distributed on end flange is on the circumference in the center of circle.Shape-memory alloy wire is a Nitinol, can also be with many shape-memory alloy wire formed shape memorial alloy cables.
During use, the interior steel pipe of damper clamps rope, cable or elongate rod, outer other parts of steel pipe isostructure (as bridge floor, basis etc.) of damper are rigidly connected, when rope, cable or elongate rod have the oscillation crosswise displacement, outer and inner tube also just has relative radial displacement, no matter this relative radial displacement be where to, shape-memory alloy wire all with the stretcher strain power consumption, reach the purpose that suppresses rope, cable or elongate rod in the oscillation crosswise of all directions.
Beneficial effect: the present invention has following tangible advantage.
1. " rope, cable, the elongate rod super elastic shape memory alloy damper " invented, can absorb vibrational energy effectively by the super elastic characteristics of the shape memory alloy material in the damper device, thereby reduce the vibratory response of this class A of geometric unitA under wind load and geological process effectively, improve the vibration attenuation speed of this class A of geometric unitA under wind load and geological process effectively.
2. " rope, cable, the elongate rod super elastic shape memory alloy damper " invented, can suppress the oscillation crosswise displacement in all directions face of rope, cable, slender rod type member simultaneously, can be used for the vibration damping of various engineering structures such as building structure, bridge construction, large-span structure and film Cable Structure.
3. " rope, cable, the elongate rod super elastic shape memory alloy damper " invented, the shape memory alloy material by working strength height, corrosion-resistant, antifatigue be as the power consumption material, thereby have the long and low characteristics of maintenance requirement of life-span.
Description of drawings
Fig. 1 is the structural representation that rope, cable and elongate rod etc. are formed with super elastic shape memory alloy damper;
Fig. 2 is that A-A among Fig. 1 is to the sectional structure schematic diagram;
Fig. 3 is that B-B among Fig. 1 is to the sectional structure schematic diagram;
Fig. 4 is that C-C among Fig. 3 is to the sectional structure schematic diagram;
Fig. 5 is an internal lower semi-circular disc 11, the structural representation of internal upper semi-circular disc 12;
Fig. 6 is that D-D among Fig. 5 is to the sectional structure schematic diagram.
Have among the above figure: second disk 1 of end flange, first disk 2 of end flange, end flange unthreaded hole 4, shape-memory alloy wire 5, interior steel pipe upper semi-circle 6, interior steel pipe lower half circle 7, anchor clamps 8, outer steel pipe lower half circle 9, outer steel pipe upper semi-circle 10, internal lower semi-circular disc 11, internal upper semi-circular disc 12, internal circular disc unthreaded hole 13, bolt hole 3,14,15,16.
The specific embodiment
Embodiment of the present invention are as follows:
Rope of the present invention, cable, the elongate rod super elastic shape memory alloy damper, formed by shape-memory alloy wire and shape-memory alloy wire fastening devices, this damper is by end flange, outer steel pipe, interior steel pipe, shape-memory alloy wire is formed, end flange has two, each end flange is respectively by first disk 2 of end flange, second disk 1 of end flange is formed, central authorities in this end flange are provided with a mesopore, be provided with end flange unthreaded hole 4 on the circumference of this end flange, these two end flange lay respectively at by outer steel pipe lower half circle 9, the outer steel pipe two ends that outer steel pipe upper semi-circle 10 is formed; The interior steel pipe of being made up of interior steel pipe upper semi-circle 6, interior steel pipe lower half circle 7 is positioned at the central authorities of outer steel pipe, and two of interior steel pipe passes the mesopore of end flange respectively; The outer wall of the interior steel pipe in the steel pipe is provided with two internal circular discs of being made up of internal lower semi-circular disc 11, internal upper semi-circular disc 12 outside, is provided with internal circular disc unthreaded hole 13 on this internal circular disc; Be provided with anchor clamps 8 in end flange unthreaded hole 4, shape-memory alloy wire 5 passes internal circular disc unthreaded hole 13, and two of shape-memory alloy wire 5 is fixed on the anchor clamps 8; Between end flange and the outer steel pipe, between outer steel pipe lower half circle 9 and the outer steel pipe upper semi-circle 10, between interior steel pipe upper semi-circle 6 and the interior steel pipe lower half circle 7, be connected and fixed by bolt between internal lower semi-circular disc 11 and the internal upper semi-circular disc 12.End flange unthreaded hole 4 on the end flange is corresponding with the internal circular disc unthreaded hole 13 on the internal circular disc, and the center of circle that is evenly distributed on end flange is on the circumference in the center of circle.Shape-memory alloy wire 5 is a Nitinol, can also be with many shape-memory alloy wire formed shape memorial alloy cables.
The concrete process of making is:
At first, according to the vibration suppression requirement, selected interior steel pipe upper semi-circle 6, interior steel pipe lower half circle 7, second disk 1 of end flange, first disk 2 of end flange, outer steel pipe lower half circle 9, outer steel pipe upper semi-circle 10, internal lower semi-circular disc 11, internal upper semi-circular disc 12, shape-memory alloy wire.
The second, use bolt, with two interior steel pipe upper semi-circles 6, interior steel pipe lower half circle 7 connects into an interior steel pipe (during use, rope, cable or elongate rod are clamped in the interior steel pipe of this root);
The 3rd, with two internal lower semi-circular discs 11, internal upper semi-circular disc 12 clamps interior steel pipe with bolt;
The 4th, earlier second disk 1 of two end flange is connected with bolt with two of an outer steel pipe lower half circle 9 respectively; Again first disk 2 of two end flange is connected with bolt with two of an outer steel pipe upper semi-circle 10 respectively; Obtain two semicircle buckets.Again two semicircle buckets are encased interior steel pipe, two semicircle buckets are connected into drum with bolt.
The 5th, shape-memory alloy wire is passed second disk 1 of end flange, the unthreaded hole of correspondence position on first disk 2 of end flange, internal lower semi-circular disc 11, the internal upper semi-circular disc 12.Shape-memory alloy wire one end is clamped and is fixed on the end flange with anchor clamps 8, with the shape-memory alloy wire tensioning.
The 6th, the shape-memory alloy wire other end is also clamped with anchor clamps 8.
So far just can realize the present invention.
Claims (4)
1, a kind of rope, cable, the elongate rod super elastic shape memory alloy damper, formed by shape-memory alloy wire and shape-memory alloy wire fastening devices, it is characterized in that this damper is by end flange, outer steel pipe, interior steel pipe, shape-memory alloy wire is formed, end flange has two, each end flange is respectively by first disk of end flange (2), second disk of end flange (1) is formed, central authorities in this end flange are provided with a mesopore, be provided with end flange unthreaded hole (4) on the circumference of this end flange, these two end flange lay respectively at by outer steel pipe lower half circle (9), the outer steel pipe two ends that outer steel pipe upper semi-circle (10) is formed; The interior steel pipe of being made up of interior steel pipe upper semi-circle (6), interior steel pipe lower half circle (7) is positioned at the central authorities of outer steel pipe, and two of interior steel pipe passes the mesopore of end flange respectively; The outer wall of the interior steel pipe in the steel pipe is provided with two internal circular discs of being made up of internal lower semi-circular disc (11), internal upper semi-circular disc (12) outside, is provided with internal circular disc unthreaded hole (13) on this internal circular disc; Be provided with anchor clamps (8) in end flange unthreaded hole (4), shape-memory alloy wire (5) passes internal circular disc unthreaded hole (13), and two of shape-memory alloy wire (5) is fixed on the anchor clamps (8); Between end flange and the outer steel pipe, between outer steel pipe lower half circle (9) and the outer steel pipe upper semi-circle (10), between interior steel pipe upper semi-circle (6) and the interior steel pipe lower half circle (7), be connected and fixed by bolt between internal lower semi-circular disc (11) and the internal upper semi-circular disc (12).
2, rope according to claim 1, cable, elongate rod super elastic shape memory alloy damper, it is characterized in that the end flange unthreaded hole (4) on the end flange is corresponding with the internal circular disc unthreaded hole (13) on the internal circular disc, and the center of circle that is evenly distributed on end flange is on the circumference in the center of circle.
3, rope according to claim 1, cable, elongate rod super elastic shape memory alloy damper is characterized in that described shape-memory alloy wire (5) is a Nitinol.
4, according to claim 1 or 3 described ropes, cable, elongate rod super elastic shape memory alloy damper, it is characterized in that many shape-memory alloy wire formed shape memorial alloy cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100381822A CN1303295C (en) | 2005-01-20 | 2005-01-20 | Super elastic shape memory alloy damper for rope, cable and slender rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100381822A CN1303295C (en) | 2005-01-20 | 2005-01-20 | Super elastic shape memory alloy damper for rope, cable and slender rod |
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| Publication Number | Publication Date |
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| CN1644830A CN1644830A (en) | 2005-07-27 |
| CN1303295C true CN1303295C (en) | 2007-03-07 |
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| CNB2005100381822A Expired - Fee Related CN1303295C (en) | 2005-01-20 | 2005-01-20 | Super elastic shape memory alloy damper for rope, cable and slender rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095040A (en) * | 2010-12-14 | 2011-06-15 | 哈尔滨工业大学 | Method and device for seismic strengthening of shape memory alloy pipe networks |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032406A (en) * | 2010-12-14 | 2011-04-27 | 哈尔滨工业大学 | Quake-proof joint of buried pipe network |
| CN104389355B (en) * | 2014-12-04 | 2016-07-06 | 长安大学 | A kind of earthquake resistant control antivibrator large deformation protection device |
| CN104674969B (en) * | 2015-01-29 | 2017-02-22 | 苏州科技学院 | Annular curvature-related shape memory alloy damping device |
| CN106013497B (en) * | 2016-07-22 | 2018-04-24 | 大连理工大学 | Multidirectional Self-resetting marmem lead damper |
| CN108979282B (en) * | 2018-07-30 | 2020-02-04 | 河南理工大学 | Two-way displacement amplification shape memory alloy damper |
| CN114382192B (en) * | 2022-01-11 | 2022-11-08 | 北京科技大学 | Relay type shape memory alloy wire damper and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231284Y (en) * | 1995-09-01 | 1996-07-17 | 台中精机厂股份有限公司 | Vibration controlling equipment for building |
| JPH09242151A (en) * | 1996-03-12 | 1997-09-16 | Inax Corp | Vibration isolation supporting structure of floor pan |
| JPH11310974A (en) * | 1998-04-30 | 1999-11-09 | Nippon Steel Corp | Vibration proof structure of c-shaped steel architectural material and vibration proof method thereof |
| EP0995851A9 (en) * | 1998-10-23 | 2002-05-02 | Minnesota Mining And Manufacturing Company | Damper |
| US6457284B1 (en) * | 1998-09-02 | 2002-10-01 | Shimizu Corporation | Structure for installing a viscous vibration damping wall and method of installing the same |
| CN1431373A (en) * | 2003-02-18 | 2003-07-23 | 东南大学 | Super elasticity pull, Press wrest damper made from memory alloy of shape of engineering structure |
-
2005
- 2005-01-20 CN CNB2005100381822A patent/CN1303295C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231284Y (en) * | 1995-09-01 | 1996-07-17 | 台中精机厂股份有限公司 | Vibration controlling equipment for building |
| JPH09242151A (en) * | 1996-03-12 | 1997-09-16 | Inax Corp | Vibration isolation supporting structure of floor pan |
| JPH11310974A (en) * | 1998-04-30 | 1999-11-09 | Nippon Steel Corp | Vibration proof structure of c-shaped steel architectural material and vibration proof method thereof |
| US6457284B1 (en) * | 1998-09-02 | 2002-10-01 | Shimizu Corporation | Structure for installing a viscous vibration damping wall and method of installing the same |
| EP0995851A9 (en) * | 1998-10-23 | 2002-05-02 | Minnesota Mining And Manufacturing Company | Damper |
| CN1431373A (en) * | 2003-02-18 | 2003-07-23 | 东南大学 | Super elasticity pull, Press wrest damper made from memory alloy of shape of engineering structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095040A (en) * | 2010-12-14 | 2011-06-15 | 哈尔滨工业大学 | Method and device for seismic strengthening of shape memory alloy pipe networks |
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| CN1644830A (en) | 2005-07-27 |
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