CN210316056U - Energy-consuming damper with local failure - Google Patents
Energy-consuming damper with local failure Download PDFInfo
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- CN210316056U CN210316056U CN201920743131.7U CN201920743131U CN210316056U CN 210316056 U CN210316056 U CN 210316056U CN 201920743131 U CN201920743131 U CN 201920743131U CN 210316056 U CN210316056 U CN 210316056U
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Abstract
The utility model discloses energy consumption attenuator that the part was first destroyed, its characterized in that: comprises an upper connecting steel plate, a lower connecting steel plate and at least two groups of diamond-shaped hole steel plates with different neck widths arranged between the upper connecting steel plate and the lower connecting steel plate. The utility model discloses the energy consumption attenuator that the part was broken first not only possesses the characteristics of two stages dissipation seismic energy, considers the great characteristics of coefficient of reinforcement in the steel constitutive relation simultaneously, makes one destroy in advance through the intensity limit difference of two power consumption steel sheets.
Description
The technical field is as follows:
the utility model relates to an energy consumption attenuator for local leading destruction belongs to engineering structure shock attenuation field.
Background art:
with the development of economy and technology, people pay more attention to the structural safety, and the earthquake damage at home and abroad shows that the damping technology can effectively reduce the earthquake action and protect the main body structure and the nodes. At present, the metal damper has mature damping technology and is widely applied due to low price and good energy consumption effect. The traditional diamond-shaped hole steel plate energy dissipation damper is proved through tests to have good damping effect, the appearance of the energy dissipation damper with the local first-breaking function is similar to that of the diamond-shaped hole steel plate energy dissipation damper, the energy dissipation damper with the local first-breaking function is further than that of the traditional diamond-shaped hole steel plate energy dissipation damper in function, the traditional diamond-shaped hole steel plate energy dissipation damper is only designed in consideration of the energy dissipation effect of the damper, but due to the influences of factors such as material characteristics, installation environment, stress mode, film effect and the like of the energy dissipation steel plate, the strengthening coefficient of the energy dissipation steel plate after yielding is continuously increased, the yield ratio often exceeds a standard value, the stress of the structure is redistributed after the energy dissipation steel plate is yielded, the main structure and node stress are easily sheared and broken, the technical requirement for repairing after the earthquake is high, and high.
The invention content is as follows:
the utility model discloses the technical problem that will solve is: the energy-consuming damper with the local failure in the first place has the characteristic of dissipating seismic energy in two stages.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model discloses energy consumption attenuator that the part was first destroyed, its characterized in that: comprises an upper connecting steel plate, a lower connecting steel plate and at least two groups of diamond-shaped hole steel plates with different neck widths arranged between the upper connecting steel plate and the lower connecting steel plate.
Further, the less and highly shorter diamond-shaped hole steel sheet of neck width is the first group in the above-mentioned diamond-shaped hole steel sheet, and the great and highly higher diamond-shaped hole steel sheet of neck width is the second group, the neck width is the narrowest distance of diamond-shaped hole left and right both ends to diamond-shaped hole steel sheet outward flange, highly is the height of the vertical direction of diamond-shaped hole steel sheet.
Furthermore, the energy dissipation damper with the local first-failure is arranged in a space between the upper concrete wall and the lower concrete wall, an upper embedded steel plate and a lower embedded steel plate are embedded into the opposite surfaces of the concrete walls, a plurality of bolt sleeves are pre-installed on the upper embedded steel plate and the lower embedded steel plate, and the upper connecting steel plate and the lower connecting steel plate are locked in the bolt sleeves through bolts.
Furthermore, four corners of the diamond holes in the diamond hole steel plate are arc-shaped, and the phenomenon of stress concentration in the diamond holes in an early stage during energy consumption can be prevented due to the arc-shaped four corners of the diamond holes.
Furthermore, the diamond-shaped hole steel plates are arranged in parallel.
The utility model discloses a manufacturing method of energy consumption damper with local leading destruction, the energy consumption damper with local leading destruction comprises an upper connecting steel plate, a lower connecting steel plate and at least two groups of diamond-shaped hole steel plates with different neck widths arranged between the upper connecting steel plate and the lower connecting steel plate; when in manufacturing, at least two groups of diamond hole steel plates with different neck widths and heights are manufactured in advance and welded on the steel plates with the metal backing plates and the upper and lower connecting steel plates to manufacture the energy-consuming damper with local first-damaged parts; then embedding the upper and lower embedded steel plates with the bolt sleeves into the opposite surfaces of the upper and lower concrete walls respectively, wherein the embedded steel plates are flush with the surfaces of the concrete walls; fixing the energy-consuming damper which is locally damaged firstly between the upper embedded steel plate and the lower embedded steel plate through bolts to finish installation; when the energy-consuming damper works, the energy-consuming damper which is locally damaged firstly is placed between the upper embedded steel plate and the lower embedded steel plate in parallel, force is transferred through the upper connecting steel plate and the lower connecting steel plate, the diamond-shaped hole steel plates are stressed outside the plane, under the action of small earthquake, the first group of diamond-shaped hole steel plates with smaller neck width and shorter height enters the yielding energy-consuming stage firstly, under the action of medium earthquake and large earthquake, the second group of diamond-shaped hole steel plates with smaller neck width and shorter height are stressed to the limit bearing capacity and then are damaged to exit the work, and the subsequent energy-consuming work is completed by the second group of diamond-shaped hole steel plates with larger.
The beneficial effects of the utility model reside in that: contrast traditional two-stage energy consumption attenuator, the utility model discloses the energy consumption attenuator that the part was leading destroys earlier not only possesses the characteristics of two-stage dissipation seismic energy, considers the great characteristics of coefficient of reinforcement in the steel constitutive relation simultaneously, and the intensity limit difference through two power consumption steel sheets makes one destroy in advance, and the limit when reducing the metal material attenuator power consumption is bent than by force, avoids causing the phenomenon that the super-strong bearing capacity of expecting to appear leading to connecting major structure and node atress too big and then take place to destroy in advance to the component of surveing.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Description of the drawings:
FIG. 1 is a front view of a frame with localized, failure-prone, dissipative dampers;
FIG. 2 is an elevation view of a partial leading failure dissipative damper;
FIG. 3 is a front view of a partial failure-leading energy-consuming damper;
FIG. 4 is a side view of a partial failure-leading energy-consuming damper;
FIG. 5 is a front view of a diamond-shaped hole steel plate;
FIG. 6 is a partial leading failure dissipative damper reaction-displacement curve;
FIG. 7 is a graph of a model of the restoring force of an energy-consuming damper with a local failure in first place;
in the figure: 1-main body structure, 2-concrete wall, 3-energy consumption damper with local first failure, 301-upper connecting steel plate, 302-diamond-hole steel plate with small neck width, 303-diamond-hole steel plate with large neck width, 304-bolt hole, 306-bolt sleeve, 307-embedded steel plate, 305 bolt, 3021-small neck width, 3031-large neck width, A-small neck width yield point, B-large neck width yield point and C-small neck width tensile limit point.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following embodiments and drawings, but the present invention is not limited thereto.
The utility model discloses the energy dissipation attenuator that the part takes the lead to destroy includes connecting plate 301, lower connecting plate 301A and establishes the diamond hole steel sheet 30 of at least two sets of different neck widths between last connecting plate and the lower connecting plate.
Further, the less and highly shorter diamond-shaped hole steel sheet of neck width is the first group in the above-mentioned diamond-shaped hole steel sheet, and the great and highly higher diamond-shaped hole steel sheet of neck width is the second group, the neck width is the narrowest distance of diamond-shaped hole left and right both ends to diamond-shaped hole steel sheet outward flange, highly is the height of the vertical direction of diamond-shaped hole steel sheet.
Furthermore, the energy-consuming damper with the local failure in the first place is arranged in a space between the upper concrete wall and the lower concrete wall, an upper embedded steel plate 307 and a lower embedded steel plate 307 are embedded into the opposite surfaces of the concrete walls, a plurality of bolt sleeves 306 are pre-installed on the upper embedded steel plate and the lower embedded steel plate, and the upper connecting steel plate and the lower connecting steel plate are locked in the bolt sleeves through bolts 308 respectively.
Furthermore, four corners of the diamond holes in the diamond hole steel plate are arc-shaped, and the phenomenon of stress concentration in the diamond holes in an early stage during energy consumption can be prevented due to the arc-shaped four corners of the diamond holes.
Furthermore, the diamond-shaped hole steel plates are arranged in parallel.
The utility model discloses a manufacturing method of energy consumption damper with local leading destruction, the energy consumption damper with local leading destruction comprises an upper connecting steel plate, a lower connecting steel plate and at least two groups of diamond-shaped hole steel plates with different neck widths arranged between the upper connecting steel plate and the lower connecting steel plate; when in manufacturing, at least two groups of diamond hole steel plates with different neck widths and heights are manufactured in advance and welded on the steel plates with the metal backing plates and the upper and lower connecting steel plates to manufacture the energy-consuming damper with local first-damaged parts; then embedding the upper and lower embedded steel plates with the bolt sleeves into the opposite surfaces of the upper and lower concrete walls respectively, wherein the embedded steel plates are flush with the surfaces of the concrete walls; fixing the energy-consuming damper which is locally damaged firstly between the upper embedded steel plate and the lower embedded steel plate through bolts to finish installation; when the energy-consuming damper works, the energy-consuming damper which is locally damaged firstly is placed between the upper embedded steel plate and the lower embedded steel plate in parallel, force is transferred through the upper connecting steel plate and the lower connecting steel plate, the diamond-shaped hole steel plates are stressed outside the plane, under the action of small earthquake, the first group of diamond-shaped hole steel plates with smaller neck width and shorter height enters the yielding energy-consuming stage firstly, under the action of medium earthquake and large earthquake, the second group of diamond-shaped hole steel plates with smaller neck width and shorter height are stressed to the limit bearing capacity and then are damaged to exit the work, and the subsequent energy-consuming work is completed by the second group of diamond-shaped hole steel plates with larger.
The beneficial effects of the utility model reside in that: contrast traditional two-stage energy consumption attenuator, the utility model discloses the energy consumption attenuator that the part was leading destroys earlier not only possesses the characteristics of two-stage dissipation seismic energy, considers the great characteristics of coefficient of reinforcement in the steel constitutive relation simultaneously, and the intensity limit difference through two power consumption steel sheets makes one destroy in advance, and the limit when reducing the metal material attenuator power consumption is bent than by force, avoids causing the phenomenon that the super-strong bearing capacity of expecting to appear leading to connecting major structure and node atress too big and then take place to destroy in advance to the component of surveing.
The above-mentioned preferred embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (5)
1. A energy-consuming damper with local failure first is characterized in that: comprises an upper connecting steel plate, a lower connecting steel plate and at least two groups of diamond-shaped hole steel plates with different neck widths arranged between the upper connecting steel plate and the lower connecting steel plate.
2. The local-lead-failure, energy-consuming damper of claim 1, wherein: the diamond-shaped hole steel plate that neck width is less and highly shorter in the diamond-shaped hole steel plate is the first group, and the great and highly higher diamond-shaped hole steel plate of neck width is the second group, the neck width is the narrowest distance of diamond-shaped hole left and right both ends to diamond-shaped hole steel plate outward flange, highly is the height of the vertical direction of diamond-shaped hole steel plate.
3. The local-lead-destruction energy-consuming damper of claim 2, wherein: the energy dissipation damper with the local first-breaking function is arranged in a space between an upper concrete wall and a lower concrete wall, an upper embedded steel plate and a lower embedded steel plate are embedded into the opposite surfaces of the concrete walls, a plurality of bolt sleeves are pre-installed on the upper embedded steel plate and the lower embedded steel plate, and the upper connecting steel plate and the lower connecting steel plate are locked in the bolt sleeves through bolts.
4. The local-lead-failure, energy-consuming damper of claim 1, wherein: the four corners of the diamond holes in the diamond hole steel plate are arc-shaped, and the phenomenon of stress concentration in the diamond holes too early during energy consumption can be prevented due to the arc-shaped four corners of the diamond holes.
5. The local-lead-failure, energy-consuming damper of claim 1, wherein: the diamond-shaped hole steel plate is provided with a plurality of pieces which are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743131.7U CN210316056U (en) | 2019-05-22 | 2019-05-22 | Energy-consuming damper with local failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920743131.7U CN210316056U (en) | 2019-05-22 | 2019-05-22 | Energy-consuming damper with local failure |
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| Publication Number | Publication Date |
|---|---|
| CN210316056U true CN210316056U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920743131.7U Expired - Fee Related CN210316056U (en) | 2019-05-22 | 2019-05-22 | Energy-consuming damper with local failure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982708A (en) * | 2021-02-23 | 2021-06-18 | 中国地震局工程力学研究所 | Alleviate two-way metal consumer of assembled self-reset dumbbell shape of film effect |
-
2019
- 2019-05-22 CN CN201920743131.7U patent/CN210316056U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982708A (en) * | 2021-02-23 | 2021-06-18 | 中国地震局工程力学研究所 | Alleviate two-way metal consumer of assembled self-reset dumbbell shape of film effect |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |