CN203320724U - Lead shear damper - Google Patents
Lead shear damper Download PDFInfo
- Publication number
- CN203320724U CN203320724U CN2013203146256U CN201320314625U CN203320724U CN 203320724 U CN203320724 U CN 203320724U CN 2013203146256 U CN2013203146256 U CN 2013203146256U CN 201320314625 U CN201320314625 U CN 201320314625U CN 203320724 U CN203320724 U CN 203320724U
- Authority
- CN
- China
- Prior art keywords
- plate
- lead
- cover plate
- lower cover
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model discloses a lead shear damper which comprises an upper cover plate (2) and a lower cover plate (3). A fixed-end plate (9) is arranged at one end of the upper cover plate (2), and an upper return spring (5) is arranged at the other end of the upper cover plate (2) and is fixed onto a sliding-end plate (7); the sliding-end plate (7) is connected to one end of the lower cover plate (3), a lower return spring (6) is connected to the other end of the lower cover plate (3) and is fixed onto the fixed-end cover plate (9), the upper cover plate (2) is overlapped on the lower cover plate (3), and shorn lead (1) is arranged at a joint of the upper cover plate (2) and the lower cover plate (3). The lead shear damper has the advantages that the return springs are compressed or can stretch under the effect of rare earthquake, so that a shear deformation effect can be realized for the shorn lead, a friction energy dissipation effect can be realized for the upper cover plate and the lower cover plate, and a return effect can be realized by the aid of initial pre-loaded pressure or pre-tightening force of each return spring during the earthquake and after the earthquake.
Description
Technical field
The utility model relates to a kind of damper, is specifically related to a kind of damper of realizing Self-resetting.
Background technology
In recent years, in world wide, earthquake took place frequently, and when people carry out seismic design to structure, also started to focus on the utilization of energy-dissipating and shock-absorbing technology.Generally to adopt the damper with energy dissipation capacity at the non bearing structure position.During frequently occurred earthquake, structure itself has enough rigidity, in elastic stage; During rarely occurred earthquake, along with malformation increases, damper enters the non-resilient stage prior to agent structure, and damping increases, energy-dissipating and shock-absorbing, thereby the damage of Avoids or reduces agent structure.Plumbous because of its hysteresis full, the feature of stable performance, the damper structure of its manufacture is simple, easy to process and be promoted and use.Various lead dampers have been developed at present both at home and abroad, as lead shear damper, lead extrusion damper, twist mode lead shear damper etc.With regard to the current lead shear damper that proposes and adopt, under the rarely occurred earthquake effect, the strong elastic-plastic deformation of lead shear damper can produce larger residual displacement, causes resetting and changing comparatively difficulty after shake.Therefore, be necessary existing lead shear damper is transformed, propose a kind of novel energy-consumption Self-resetting lead shear damper, can there is enough energy dissipation capacities under the rarely occurred earthquake effect, simultaneously, also there is the rear Self-resetting function of earthquake centre and shake.Based on this, be necessary to research and develop a kind of lead shear damper with Self-resetting function.
The utility model content
In order to make up the defect of prior art, the utility model patent provides a kind of lead shear damper with Self-resetting function, can under the rarely occurred earthquake effect, there is enough energy dissipation capacities, and the Self-resetting function after thering is earthquake centre and shaking, can effectively strengthen applicability and the safety of lead shear damper after earthquake centre and shake, more have practical value.
In order to realize above-mentioned technical purpose, the technical scheme of the utility model patent is, a kind of lead shear damper, comprise upper cover plate and lower cover, upper cover plate one end is provided with the fixed end end plate, and an other end is provided with upper reset spring, and upper reset spring is fixed on the sliding end end plate; Lower cover one end connects the sliding end end plate, and the other end connects lower back-moving spring, and lower back-moving spring is fixed on the fixed end end plate, and upper cover plate is superimposed on lower cover, and the position that upper cover plate is connected with lower cover is provided with the shearing lead.
Lead shear damper with Self-resetting function comprises the shearing lead, upper and lower cover plates, about bundled tube, upper and lower back-moving spring, the sliding end end plate, the fixed end end plate, constraint tube end-plate and junction plate, about bundled tube is lived in lower cover (shearing cover plate) and is sheared lead from outer wrap, about bundled tube two ends are provided with junction plate, about bundled tube one end junction plate is welded in the fixed end end plate, other end junction plate is welded in the sliding end end plate, sliding end end plate position is provided with the constraint tube end-plate in about bundled tube end, shearing lead is fixed in a plurality of grooves of upper and lower cover plates, upper and lower cover plates end one end is connected with upper and lower back-moving spring respectively, one end is connected with fixed end end plate or sliding end end plate, upper and lower back-moving spring is provided and surpasses initial precompression or the pretension of shearing lead yield strength and upper and lower cover plates frictional force sum, under the rarely occurred earthquake effect, upper and lower back-moving spring compression or elongation, the upper and lower cover plates relative motion, realize shearing the power consumption effect of lead shear strain and upper and lower cover plates friction, after earthquake centre and shake, can realize resetting by initial precompression or the pretension of back-moving spring, thereby after having avoided earthquake centre and shake, general lead shear damper resets and changes difficult problem, also avoided due to the adverse effect of residual displacement to structure.About bundled tube is reserved with space between upper and lower cover plates, upper and lower back-moving spring and sliding end end plate, thereby after having avoided earthquake centre and shake, lead shear damper resets and changes difficult problem, has also avoided due to the adverse effect of residual displacement to structure.Each position of lead shear damper with Self-resetting function adopts welding procedure, the produce in factory moulding, and the field by using bolt is installed.Wherein different shearing lead length provides different energy-dissipating and shock-absorbing abilities, different back-moving springs and slip gap lengths provide different strokes, different back-moving spring rigidity determines the rigidity of damper, therefore, the Self-resetting lead shear damper can be according to the stressed size of concrete structure, deformation requirements, the difference of rigidity requirement, produce corresponding suitable Self-resetting lead shear damper, there is good practical value and economic benefit.
The sliding end end plate from the constraint tube end-plate between the slip pore size can adjust within the specific limits according to different requirements.The Self-resetting function is that the back-moving spring by installing between end plate and upper and lower cover plates is realized, adjusting initial precompression or pretension size is the power of capable of regulating Self-resetting function.
The utility model also is, about bundled tube is rolled in upper cover plate, lower cover, shearing lead and sliding end end plate from external rings, and the fixed end end plate is sealed on about bundled tube one end, and the constraint tube end-plate is sealed on the about bundled tube other end.
The utility model also is, between sliding end end plate and constraint tube end-plate, is set to the hole that slides.
The utility model also is, on fixed end end plate and/or constraint tube end-plate, is provided with junction plate.
The utility model also is, junction plate is fastened on the external surface of fixed end end plate.
The utility model also is, junction plate is connected on the sliding end end plate through the constraint tube end-plate.
The utility model also is, junction plate is arranged perpendicular to the connecting sewing between upper cover plate and lower cover.
The utility model also is, also is provided with connecting hole on junction plate.
The utility model also is, the shearing lead is tooth-shape structure, and the double wedge of shearing lead is mounted in respectively in upper cover plate and lower cover.
The utility model also is, shears lead and is arranged on connecting sewing and the about bundled tube intersection between upper cover plate and lower cover.
The utility model patent beneficial effect is to have realized good reset capability by back-moving spring, has avoided rear plumbous shearing of earthquake centre and shake reset and change difficult problem, has also avoided due to the adverse effect of residual displacement to structure; In addition, the utility model patent also has batch production and makes the simple and on-the-spot advantage such as easy for installation, has higher practical value and economic benefit.
Below in conjunction with accompanying drawing, the utility model patent is described further.
The accompanying drawing explanation
The schematic diagram of the Self-resetting lead shear damper that Fig. 1 is the utility model embodiment;
The sectional view that Fig. 2 is A-A in Fig. 1;
The sectional view that Fig. 3 is B-B in Fig. 1;
Wherein 1 for shearing lead, and 2 is upper cover plate, and 3 is lower cover, and 4 is about bundled tube, and 5 is upper reset spring, and 6 is lower back-moving spring, and 7 is the sliding end end plate, and 8 is the slip space, and 9 is the fixed end end plate, and 10 is the constraint tube end-plate, and 11 is connecting hole, and 12 is junction plate.
The specific embodiment
Below to the further illustrating of the utility model patented technology content, but not to the restriction of the utility model patent flesh and blood.
Lead shear damper, comprise upper cover plate 2 and lower cover 3, and upper cover plate 2 one ends are provided with fixed end end plate 9, and an other end is provided with upper reset spring 5, and upper reset spring 5 is fixed on sliding end end plate 7; Lower cover 3 one ends connect sliding end end plate 7, and the other end connects lower back-moving spring 6, and lower back-moving spring 6 is fixed on fixed end end plate 9, and upper cover plate 2 is superimposed on lower cover 3, and the position that upper cover plate 2 is connected with lower cover 3 is provided with shears lead 1.
It also is, about bundled tube 4 is rolled in upper cover plate 2, lower cover 3, shears lead 1 and sliding end end plate 7 from external rings, and fixed end end plate 9 is sealed on about bundled tube 4 one ends, and constraint tube end-plate 10 is sealed on about bundled tube 4 other ends.
It also is, hole 8 is set to slide between sliding end end plate 7 and constraint tube end-plate 10.
It also is, on fixed end end plate 9 and/or constraint tube end-plate 10, is provided with junction plate 12.
It also is, junction plate 12 is fastened on the external surface of fixed end end plate 9.
It also is, junction plate 12 is connected on sliding end end plate 7 through constraint tube end-plate 10.
It also is, junction plate 12 is arranged perpendicular to the connecting sewing between upper cover plate 2 and lower cover 3.
It also is, also is provided with connecting hole 11 on junction plate 12.
It also is, shearing lead 1 be tooth-shape structure, and the double wedge of shearing lead 1 is mounted in respectively in upper cover plate 2 and lower cover 3.
It also is, shears lead 1 and is arranged on connecting sewing and about bundled tube 4 intersections between upper cover plate 2 and lower cover 3.
Lead shear damper with Self-resetting function comprises shears lead 1, upper cover plate 2, lower cover 3, about bundled tube 4, upper reset spring 5, lower back-moving spring 6, sliding end end plate 7, fixed end end plate 9, constraint tube end-plate 10 and junction plate 12, about bundled tube 4 is lived in cover plate 2 from outer wrap, lower cover 3(shears cover plate) and shear lead 1, about bundled tube 4 two ends are provided with junction plate 12, about bundled tube 4 one end junction plates 12 are welded in fixed end end plate 9, other end junction plate 12 is welded in sliding end end plate 7, sliding end end plate 7 positions are provided with constraint tube end-plate 10 in about bundled tube 4 ends, shearing lead 1 is fixed in a plurality of grooves between upper cover plate 2 and lower cover 3, the large I of appropriate groove makes to shear lead 1 distortion evenly, reasonable stress, upper cover plate 2 is connected with lower back-moving spring 6 with upper reset spring 5 with lower cover 3 difference end one ends, one end is connected with sliding end end plate 7 with fixed end end plate 9, provide to upper reset spring 5 and lower back-moving spring 6 initial precompression or the pretension that surpasses shearing lead 1 yield strength and upper and lower cover plates frictional force sum, under the rarely occurred earthquake effect, back-moving spring compression or elongation, the upper and lower cover plates relative motion, realize shearing the power consumption effect of lead 1 shear strain and upper and lower cover plates friction, initial precompression or pretension by back-moving spring after earthquake centre and shake are realized resetting, thereby after having avoided earthquake centre and shake, lead shear damper resets and changes difficult problem, also avoided due to the adverse effect of residual displacement to structure.
The utility model patent also is, about bundled tube 4 is reserved with slip space 8 between upper and lower cover plates, upper and lower back-moving spring and sliding end end plate 7.Sliding end end plate 7 is adjusted according to different requirements within the specific limits from the large I in constraint 10 slip spaces of tube end-plate 8.The Self-resetting function is that the back-moving spring by installing between end plate and upper and lower cover plates is realized, adjusting initial precompression or pretension size is the power of capable of regulating Self-resetting function.
The utility model patented technology is applicable to the energy-dissipating and shock-absorbing of structure, the schematic diagram of the Self-resetting lead shear damper that Fig. 1 is the utility model embodiment, the sectional view that Fig. 2 is A-A in Fig. 1, the sectional view that Fig. 3 is B-B in Fig. 1, as Fig. 1, 2, shown in 3, for structure division, at first structure is carried out to force analysis, determine the stressed size of damper, thereby select the suitable damper of size, make initial precompression or pretension surpass lead yield strength and upper and lower cover plates frictional force sum, guarantee that damper can bring into play energy-dissipating and shock-absorbing effect and can Self-resetting under earthquake or other load actions.For plumbous shear energy dissipation part, to shear lead 1 and be fixed in a plurality of grooves between upper cover plate 2 and lower cover 3, groove length is approximately sheared 1/5 of lead 1 length, shears 3/5 left and right that lead 1 total length can be about bundled tube 4 length.Upper cover plate 2 and lower cover 3 end one ends weld with upper reset spring 5 and lower back-moving spring 6 respectively, and upper reset spring 5 and lower back-moving spring 6 length are about 1/5 of about bundled tube 4 length.One end and 7 welding of sliding end end plate, sliding end end plate 7 can adopt the Q235 steel plate of 10mm; One end and 9 welding of fixed end end plate, sliding end end plate 7 and fixed end end plate 9 all are welded with junction plate 12, the Self-resetting lead shear damper is by connecting hole 11(and bolt matching on junction plate 12) with structure, be connected and stressed, guarantee that upper reset spring 5 and lower back-moving spring 6 are in suitable elastic range, also to guarantee that there are enough strokes in the slip space 8 between sliding end end plate 7 and constraint tube end-plate 10, general desirable 10～150mm length simultaneously.About bundled tube 4 adopts 10mm left and right Plate Welding to form, and stays 1～2mm space between the upper cover plate 2 wrapped up and lower cover 3, upper reset spring 5 and lower back-moving spring 6 and sliding end end plate 7, as shown in Figure 3.Stay 1～2mm space while reaching through constraint tube end-plate 10 between the junction plate 12 of sliding end and about bundled tube 4, as shown in Figure 2.Under the rarely occurred earthquake effect, upper reset spring 5 and 6 compressions of lower back-moving spring or elongation, upper cover plate 2 and lower cover 3 relative motions, realize that shearing lead 1 is sheared and the power consumption effect of upper cover plate 2 and lower cover 3 frictions.After earthquake centre and shake, can realize resetting by initial precompression or the pretension of upper reset spring 5 and lower back-moving spring 6.
The preparation method of Fig. 1 Self-resetting lead shear damper:
1, upper cover plate 2 and lower cover 3 connect as one with upper reset spring 5 and lower back-moving spring 6 respectively;
2, shearing in the groove that lead is fixed on the A that upper cover plate 2 and lower cover 3 and upper reset spring 5 and lower back-moving spring 6 be welded into, is B;
3, B mono-end is welded and fixed end end plate 9 and junction plate 12, one end welding sliding end end plate 7 and junction plates 12;
4, adopt 4 block plates to be welded into about bundled tube 4 parcel B, guarantee to stay 1～2mm space between about bundled tube 4 and B;
5, about bundled tube 4 is welded on fixed end end plate 9;
If 6 sliding end end plates 7 are not in about bundled tube 4, can apply precompression enters in about bundled tube 4 it, welding constraint tube end-plate 10, stay 1～2mm space while guaranteeing between sliding end junction plate 12 and about bundled tube 4 to reach through constraint tube end-plate 10 again, after welding, removes precompression.
Claims (10)
1. a lead shear damper, it is characterized in that, comprise upper cover plate (2) and lower cover (3), upper cover plate (2) one ends are provided with fixed end end plate (9), an other end is provided with upper reset spring (5), and upper reset spring (5) is fixed on sliding end end plate (7); Lower cover (3) one ends connect sliding end end plate (7), the other end connects lower back-moving spring (6), lower back-moving spring (6) is fixed on fixed end end plate (9), it is upper that upper cover plate (2) is superimposed on lower cover (3), and the position that upper cover plate (2) is connected with lower cover (3) is provided with shears lead (1).
2. lead shear damper according to claim 1, it is characterized in that, about bundled tube (4) is rolled in upper cover plate (2), lower cover (3), shears lead (1) and sliding end end plate (7) from external rings, fixed end end plate (9) is sealed on about bundled tube (4) one ends, and constraint tube end-plate (10) is sealed on about bundled tube (4) other end.
3. lead shear damper according to claim 2, is characterized in that, hole (8) is set to slide between sliding end end plate (7) and constraint tube end-plate (10).
4. lead shear damper according to claim 3, is characterized in that, on fixed end end plate (9) and/or constraint tube end-plate (10), is provided with junction plate (12).
5. lead shear damper according to claim 4, is characterized in that, junction plate (12) is fastened on the external surface of fixed end end plate (9).
6. lead shear damper according to claim 4, is characterized in that, junction plate (12) is connected on sliding end end plate (7) through constraint tube end-plate (10).
7. lead shear damper according to claim 4, is characterized in that, junction plate (12) is arranged perpendicular to the connecting sewing between upper cover plate (2) and lower cover (3).
8. according to the described lead shear damper of any one in claim 4 to 7, it is characterized in that, also be provided with connecting hole (11) on junction plate (12).
9. according to the described lead shear damper of any one in claim 1 to 7, it is characterized in that, shearing lead (1) is tooth-shape structure, and the double wedge of shearing lead (1) is mounted in respectively in upper cover plate (2) and lower cover (3).
10. lead shear damper according to claim 9, is characterized in that, shears lead (1) and be arranged on connecting sewing and about bundled tube (4) intersection between upper cover plate (2) and lower cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203146256U CN203320724U (en) | 2013-06-03 | 2013-06-03 | Lead shear damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203146256U CN203320724U (en) | 2013-06-03 | 2013-06-03 | Lead shear damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203320724U true CN203320724U (en) | 2013-12-04 |
Family
ID=49660090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203146256U Withdrawn - After Issue CN203320724U (en) | 2013-06-03 | 2013-06-03 | Lead shear damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203320724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276830A (en) * | 2013-06-03 | 2013-09-04 | 中南大学 | Lead shear damper |
| CN113202203A (en) * | 2021-06-07 | 2021-08-03 | 成都市新筑路桥机械股份有限公司 | Novel lead damper with self-resetting shearing function |
-
2013
- 2013-06-03 CN CN2013203146256U patent/CN203320724U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276830A (en) * | 2013-06-03 | 2013-09-04 | 中南大学 | Lead shear damper |
| CN103276830B (en) * | 2013-06-03 | 2015-09-30 | 中南大学 | A kind of lead shear damper |
| CN113202203A (en) * | 2021-06-07 | 2021-08-03 | 成都市新筑路桥机械股份有限公司 | Novel lead damper with self-resetting shearing function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2837412Y (en) | Displacement-compensation vibration-isolation buffer | |
| CN103088933A (en) | Collaborative energy dissipation anti-buckling supporting construction member with major earthquake protection function | |
| CN202611007U (en) | Vibration attenuation control device of suspension type tuned mass damper | |
| CN103276830B (en) | A kind of lead shear damper | |
| CN204626690U (en) | The double steel tube anti-flex of Self-resetting supports | |
| CN103266682B (en) | Friction-lead composite damper | |
| CN203096993U (en) | Synergetic energy-consumption buckling-restrained bracing member with major earthquake protective function | |
| CN103469896A (en) | Anti-drawing shock-isolating rubber support | |
| CN211949072U (en) | Mounting and fixing support for building curtain wall | |
| CN203320720U (en) | Friction-lead combined damper | |
| CN204732459U (en) | battery module elastic compensating plate | |
| CN203320724U (en) | Lead shear damper | |
| CN203546906U (en) | Anti-drawing seismic isolation rubber bearing | |
| CN203654506U (en) | Arch-shaped soft steel spring piece tension and compression damper | |
| CN202148603U (en) | Novel storage tank net shell rigid joint | |
| CN204645265U (en) | Building electromechanical equipment antidetonation connecting elements | |
| CN103266681B (en) | Lead shearing damper | |
| CN203320722U (en) | Lead shearing damper | |
| CN205035904U (en) | Novel steel construction | |
| CN210947170U (en) | I-shaped steel structure supporting seat with good anti-seismic effect | |
| CN201933639U (en) | Large-stroke lead shear damper | |
| CN210562586U (en) | Assembled component | |
| CN203669133U (en) | Bending prevention energy dissipation support | |
| CN208309802U (en) | A kind of novel H profile steel structure | |
| CN102304949A (en) | Long-stroke plate-type lead shearing damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |