CN204825625U - One -way active type elastoplasticity steel attenuator - Google Patents
One -way active type elastoplasticity steel attenuator Download PDFInfo
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- CN204825625U CN204825625U CN201520553700.3U CN201520553700U CN204825625U CN 204825625 U CN204825625 U CN 204825625U CN 201520553700 U CN201520553700 U CN 201520553700U CN 204825625 U CN204825625 U CN 204825625U
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Abstract
The utility model provides an one -way active type elastoplasticity steel attenuator relates to bridge, building engineering field, goes up in the both sides baffle of sliding tray the surface paste board that sideslips to to form lateral slide vice with the concave spherical surface sliding block, realizes dailyly freely sliding, the concave spherical surface sliding block is constituteed the ball -type hinge with protruding spheroid and is connect, realizes the corner displacement, the both sides face of support during protruding spheroid is fixed in, elastoplasticity steel damping element is realized being connected through round pin axle and the both ends and the well support of undersetting, slide and vice with well support component horizontal slip under the surface paste is realized the damping and is slided on the board of undersetting middle part. The utility model has the advantages of the stable performance, the reliability is high, simple structure, low in manufacturing cost, installation, change are operated very portably, not only has satisfied one -way under the daily operating condition and has freely slided, satisfy simultaneously the earthquake load effect down the damping of damping orientation subtract the needs of shock insulation. Bridge, building structure can subtract the shock insulation efficiency for providing good.
Description
Technical field
The utility model relates to bridge, building engineering field, particularly relates to a kind of one-way movable type elastoplasticity steel damper.Be specially that the one of the top of bridge pier (or crossbeam, cushion cap) being arranged on different types of rridges structure is passive subtracts vibration-insulation damping device, the relative displacement be delivered to the inertia force of bridge pier (bridge tower) for reducing girder under strong earthquakes, controlling between girder and bridge pier (bridge tower), while can adapt to again the daily free slippage of bridge construction.
Background technology
Bridge, as important social infrastructure, has the advantages that investment is large, public character is strong, maintenance management is difficult.Bridge is again an important component part in Seismic Resistance And Disaster Reduction management system simultaneously, and the anti-seismic performance improving bridge is one of seismic losses mitigation, the most important basic measures of reinforced region safety.
In reality, earthquake takes place frequently, earthquake is very surprising to the destruction of bridge, construction work, for these engineerings provide functional, the simple damping energy-dissipating device of reliable in quality, structure, reduce earthquake to the destruction of these engineerings, improve engineering application life, reduce personal injury, property loss, there is very real meaning.
Utility model content
The purpose of this utility model is as bridge, construction work provide a kind of functional, simple damping energy-dissipating device of reliable in quality, structure, and low cost of manufacture, the operation such as installation, replacing is very easy, not only can meet the unidirectional free slippage under routine work state, meet the damping in damping direction (orthogonal direction of free slippage) under seismic (seismal effect simultaneously and subtract the needs of shock insulation.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of one-way movable type elastoplasticity steel damper, is characterized in that: comprise sliding tray (1), sideskid (2), middle bearing (3), undersetting (4), elastoplasticity steel damping element (5), concave spherical surface sliding shoe (6), convex spheroid (7), lower skateboard (8), bearing pin (9);
The both sides baffle inner surface of described upper sliding tray (1) pastes sideskid (2), and forms lateral sliding pair with concave spherical surface sliding shoe (6), realizes daily free slippage;
Described concave spherical surface sliding shoe (6) and convex spheroid (7) form ball-type and are hinged, and realize corner displacement;
Described convex spheroid (7) is fixed on the two sides of middle bearing (3);
Described elastoplasticity steel damping element (5) realizes being connected by the both ends of bearing pin (9) and undersetting (4) and middle bearing (3);
Further, described undersetting (4) central panel upper surface is pasted lower skateboard (8) and is formed horizontal slip pair with middle bearing (3), realizes damping slippage.
Further, described upper sliding tray (1) is fixed on bridge girder, and upper sliding tray (1) and bridge girder adopt anchor bolts mode to realize it and fix, or the mode of welding with bridge girder junction steel plate realizes it and fixes.
Further, described undersetting (4) is fixed on bridge pier or crossbeam, and undersetting (4) and bridge pier or crossbeam adopt anchor bolts mode to realize it and fix, or the mode of welding with bridge pier or crossbeam pre-embedded steel slab realizes it and fixes.
Further, described convex spheroid (7) adopts screw rod to be connected with middle bearing (3) or welding manner realizes it and fixes.
Further, elastoplasticity steel damping element (5) is: waveform, E type, C type, arc or other bending class steel damping elements, preferably: waveform.
Further, described elastoplasticity steel damping element, by self elastic deformation energy storage and plastic deformation energy dissipation, realizes this damping unit to subtracting shock insulation function between upper and lower connecting elements.
Further, described elastoplasticity steel damping element adopts the mild steel material that plastic property is good, its preferred Wave shape spring plasticity steel damping element adopts uniform strength design, make its total cross-section reach the feature of surrender power consumption simultaneously, make the power consumption utilization rate of Wave shape spring plasticity steel damping element reach maximization.
Further, described elastoplasticity steel damping element bilateral symmetry is arranged, can be arranged symmetrically with 2 or 2n (n=2,3,4 ...) individual.
Further, described convex spheroid is connected with adopting welding manner between middle bearing, and welding manner can border fillet weld or groove welding.
Further, described convex spheroid is connected with adopting threaded rod between middle bearing, in convex spheroid and middle bearing, offer cylindrical thread hole, and by threaded rod by two convex spheroids and middle bearing split, its screwed hole direction is parallel with damping direction of displacement.
Further, described upper sliding tray can adopt upper plate, two side shields and some stiffened panel weldings to form.
Further, for ensureing between concave spherical surface sliding shoe and upper sliding tray, between middle bearing and undersetting, the application point of transmitting force can effectively slide, sideskid and lower skateboard is pasted at upper sliding tray two side shield inner surfaces and undersetting upper surface, described sideskid and lower skateboard can select SF-1 material, and have certain thickness.
The beneficial effects of the utility model are:
1) there is desirable damping energy dissipation capacity: the utility model damping unit preferred Wave shape spring plasticity steel damping element creativeness adopts choppiness structure, compact conformation, good looking appearance, hysteresis curve full (in " fusiformis " shape), has the features such as remarkable energy-dissipating property, hysteresis stability, bilinearity feature and low-cycle fatigue life length.
2) when taking into account daily free skating shifting function and shake, damping subtracts shock insulation function: free displacement sliding pair realizes the transmission of the horizontal force between sliding tray, middle bearing and the slip in free displacement direction, meets daily free skating shifting function; Vertical extruding force during damping displacement sliding pair realizes between bearing, undersetting, the transmission of horizontal friction force and the slip of damping direction of displacement, meet damping when shaking and subtract shock insulation function.
3) convertibility after shake: after geological process, can change the elastoplasticity steel damping element in this device easily.
4) structural stability is strong: damping counter-force and force of sliding friction act in the middle part of structure, effectively prevent the phenomenon of the stuck and steel damping element flexing of sliding pair.
Accompanying drawing explanation
Fig. 1 is the axis of no-feathering view of the utility model embodiment 1;
Fig. 2 is the structure top view of the utility model embodiment 1;
Fig. 3 is the structure elevation of the utility model embodiment 1;
Fig. 4 is the undersetting schematic diagram of the utility model embodiment 1;
Fig. 5 is the middle bearing of the utility model embodiment 1 and convex spheroid schematic diagram;
Fig. 6 is the axis of no-feathering view of the utility model embodiment 2;
Fig. 7 is the structure elevation of the utility model embodiment 2.
Description of reference numerals:
1, upper sliding tray; 2, sideskid; 3, middle bearing; 4, undersetting; 5, Wave shape spring plasticity steel damping element; 6, concave spherical surface sliding shoe; 7, convex spheroid; 8, lower skateboard; 9, bearing pin.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with specific embodiments and the drawings, further elaboration the utility model, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection scope of the present invention.
Embodiment 1
As Figure 1-5, a kind of one-way movable type elastoplasticity steel damper, comprises sliding tray 1, sideskid 2, middle bearing 3, undersetting 4, Wave shape spring plasticity steel damping element 5, concave spherical surface sliding shoe 6, convex spheroid 7, lower skateboard 8, bearing pin 9; The both sides baffle inner surface of upper sliding tray 1 pastes sideskid 2, and sideskid 2 is SF-1 slide plate, and upper sliding tray 1 forms lateral sliding pair with concave spherical surface sliding shoe 6, realizes daily free slippage; Concave spherical surface sliding shoe 6 and convex spheroid 7 form ball-type and are hinged, and realize corner displacement; Convex spheroid 7 is fixed on the two sides of middle bearing 3; Wave shape spring plasticity steel damping element 5 realizes being connected with undersetting 4 both ends and middle bearing 3 by bearing pin 9; Undersetting 4 central panel upper surface pastes lower skateboard 8, and lower skateboard 8 is SF-1 lower skateboard, and undersetting 4 and middle bearing 3 form horizontal slip pair, realize damping slippage.
Embodiment 2
Concave spherical surface sliding shoe also can be removed and use by the utility model, as shown in Figure 6, Figure 7, a kind of one-way movable type elastoplasticity steel damper of the present embodiment, comprises sliding tray 1, sideskid 2, middle bearing 3, undersetting 4, Wave shape spring plasticity steel damping element 5, convex spheroid 7, lower skateboard 8, bearing pin 9; The both sides baffle inner surface of upper sliding tray 1 pastes sideskid 2, and sideskid 2 is SF-1 slide plate, and upper sliding tray 1 and convex spherical 7 form lateral sliding pair and revolute pair, realize daily free slippage and corner displacement; Convex spheroid 7 is fixed on the two sides of middle bearing 3; Wave shape spring plasticity steel damping element 5 realizes being connected with undersetting 4 both ends and middle bearing 3 by bearing pin 9; Undersetting 4 central panel upper surface pastes lower skateboard 8, and lower skateboard 8 is SF-1 lower skateboard, and undersetting 4 and middle bearing 3 form horizontal slip pair, realize damping slippage.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual is only preference of the present utility model; be not used for limiting the utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. an one-way movable type elastoplasticity steel damper, is characterized in that: comprise sliding tray (1), sideskid (2), middle bearing (3), undersetting (4), elastoplasticity steel damping element (5), concave spherical surface sliding shoe (6), convex spheroid (7), lower skateboard (8), bearing pin (9);
The both sides baffle inner surface of described upper sliding tray (1) pastes sideskid (2), and forms lateral sliding pair with concave spherical surface sliding shoe (6);
Described concave spherical surface sliding shoe (6) and convex spheroid (7) form ball-type and are hinged, and realize corner displacement;
Described convex spheroid (7) is fixed on the two sides of middle bearing (3);
Described elastoplasticity steel damping element (5) realizes being connected by the both ends of bearing pin (9) and undersetting (4) and middle bearing (3);
Described undersetting (4) central panel upper surface is pasted lower skateboard (8) and is formed horizontal slip pair with middle bearing (3), realizes damping slippage.
2. one-way movable type elastoplasticity steel damper according to claim 1, it is characterized in that: described upper sliding tray (1) is fixed on bridge girder, upper sliding tray (1) and bridge girder adopt anchor bolts mode to realize it and fix, or the mode of welding with bridge girder junction steel plate realizes it and fixes.
3. one-way movable type elastoplasticity steel damper according to claim 1, it is characterized in that: described undersetting (4) is fixed on bridge pier or crossbeam, undersetting (4) and bridge pier or crossbeam adopt anchor bolts mode to realize it and fix, or the mode of welding with bridge pier or crossbeam pre-embedded steel slab realizes it and fixes.
4. one-way movable type elastoplasticity steel damper according to claim 1, is characterized in that: described convex spheroid (7) adopts screw rod to be connected with middle bearing (3) or welding manner realizes it and fixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553700.3U CN204825625U (en) | 2015-07-22 | 2015-07-22 | One -way active type elastoplasticity steel attenuator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553700.3U CN204825625U (en) | 2015-07-22 | 2015-07-22 | One -way active type elastoplasticity steel attenuator |
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| CN204825625U true CN204825625U (en) | 2015-12-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951584A (en) * | 2016-06-20 | 2016-09-21 | 山东省交通规划设计院 | Graded anti-seismic, seismic-reducing and seismic-isolating support |
| CN106192738A (en) * | 2016-08-26 | 2016-12-07 | 武汉海润工程设备有限公司 | A kind of C-shape steel antivibrator bearing for bridge |
| CN114717931A (en) * | 2021-10-29 | 2022-07-08 | 同济大学 | Planar multidirectional energy dissipation and shock absorption device |
-
2015
- 2015-07-22 CN CN201520553700.3U patent/CN204825625U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951584A (en) * | 2016-06-20 | 2016-09-21 | 山东省交通规划设计院 | Graded anti-seismic, seismic-reducing and seismic-isolating support |
| CN105951584B (en) * | 2016-06-20 | 2017-08-08 | 山东省交通规划设计院 | One kind classification antidetonation, vibration absorption and isolation support |
| CN106192738A (en) * | 2016-08-26 | 2016-12-07 | 武汉海润工程设备有限公司 | A kind of C-shape steel antivibrator bearing for bridge |
| CN114717931A (en) * | 2021-10-29 | 2022-07-08 | 同济大学 | Planar multidirectional energy dissipation and shock absorption device |
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