CN211817108U - Assembled mild steel damper - Google Patents
Assembled mild steel damper Download PDFInfo
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- CN211817108U CN211817108U CN202020217951.5U CN202020217951U CN211817108U CN 211817108 U CN211817108 U CN 211817108U CN 202020217951 U CN202020217951 U CN 202020217951U CN 211817108 U CN211817108 U CN 211817108U
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Abstract
The utility model discloses an assembled mild steel damper, which comprises a lower connecting plate, an upper connecting plate, webs and connecting bolts, wherein a plurality of webs are embedded between the lower connecting plate and the upper connecting plate through the connecting bolts; the opposite surfaces of the lower connecting plate and the upper connecting plate are provided with a plurality of sinking grooves, the surfaces of the lower connecting plate and the upper connecting plate are also provided with sinking groove holes, and the sinking groove holes are communicated with the sinking grooves; and the connecting bolt penetrates through the counter sink hole and is inserted into the threaded hole, so that the web plate is fixed on the surfaces of the lower connecting plate and the upper connecting plate. The utility model discloses each part adopts the assembled connection in the structure, adopts bolted connection between web and the upper and lower connecting plate, and upper and lower connecting plate also adopts bolted connection with the exterior structure, and this kind of assembled connected mode not only can realize portable dismouting, moreover because the web inlays the dress between the upper and lower connecting plate, can avoid the residual stress, welding defect, the heat altered scheduling problem that the steel damping fin produced in welding process, has improved the fatigue life of mild steel attenuator.
Description
Technical Field
The utility model belongs to the civil engineering field specifically is a relate to an assembled mild steel attenuator.
Background
The main energy consumption principle of the mild steel damper is to control the dynamic reaction of the structure through the good hysteresis performance of the metal material after entering the elastic-plastic range. The low-carbon steel has excellent plastic deformation capacity, and can be subjected to reciprocating deformation for hundreds of times under plastic strain which is dozens of times higher than yield strain without fracture, so that the aims of energy consumption and shock absorption are fulfilled in the process.
The elastic-plastic soft steel damper absorbs energy by utilizing the elastic-plastic deformation of steel, and has simple structure and stable performance. The soft steel damper has the advantages of stable hysteresis characteristic, good low-cycle fatigue characteristic, no influence of environmental temperature and the like, so that the soft steel damper has extremely wide application prospect in practical engineering. The traditional mild steel damper adopts a welding mode to fix the steel damping sheet with the upper and lower connecting plates, has the problems of welding residual stress, welding defects, thermal deformation and the like, and has short fatigue life. In addition, the steel damping fin array is arranged and welded on the upper connecting plate and the lower connecting plate, and the problem of insufficient double-sided welding space is caused by undersize gaps of the steel damping fins.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides an assembled mild steel damper.
The purpose of the utility model can be realized by the following technical scheme:
an assembled soft steel damper comprises a lower connecting plate, an upper connecting plate, webs and connecting bolts, wherein the webs are embedded between the lower connecting plate and the upper connecting plate through the connecting bolts;
the opposite surfaces of the lower connecting plate and the upper connecting plate are provided with a plurality of sinking grooves which are strip-shaped sinking grooves and are arranged along the width direction of the lower connecting plate/the upper connecting plate; the surfaces of the lower connecting plate and the upper connecting plate are also provided with sinking groove holes, and the sinking groove holes are arranged along the vertical direction and are communicated with the sinking grooves;
the upper end surface and the lower end surface of the web plate are provided with threaded holes, the threaded holes and the sink slots are correspondingly arranged, the connecting bolts penetrate through the sink slots and are inserted into the threaded holes, the web plate is fixed on the surfaces of the lower connecting plate and the upper connecting plate, and the number of the web plate is correspondingly arranged with the sink slots.
Further, the lower connecting plate and the upper connecting plate are arranged in parallel.
Further, the depth of the sinking groove is smaller than the plate thickness of the lower connecting plate/the upper connecting plate, and the width of the sinking groove is equal to the thickness of the web plate.
Furthermore, each sinking groove is correspondingly provided with not less than two sinking groove holes.
Furthermore, a plurality of connecting through holes are formed in the surfaces of the lower connecting plate and the upper connecting plate, the connecting through holes are located at the edges of the two sides of the lower connecting plate/the upper connecting plate, and bolts penetrate through the connecting through holes to fix the whole assembly type soft steel damper on an external structure.
Furthermore, the web plate is an X-shaped, triangular, rectangular, hyperbolic, dumbbell-shaped or rhombic open-pore rectangular plate, and the material is mild steel with yield strength of 160MPa-355 MPa.
Further, the depth of the slotted hole is larger than the thickness of a nut of the connecting bolt.
Further, a plurality of webs are arranged in an array along the length direction of the lower connecting plate/the upper connecting plate, and the distance between every two adjacent webs is 1-3 times the thickness of the webs.
The utility model has the advantages that:
the utility model discloses an each part adopts the assembled connection among the mild steel attenuator structure, adopts bolted connection between web and the upper and lower connecting plate, and bolted connection is also adopted with the exterior structure to the upper and lower connecting plate, and portable dismouting not only can be realized to this kind of assembled connected mode, and because the web inlays the dress between the upper and lower connecting plate, can avoid the residual stress, welding defect, the heat altered scheduling problem that the steel damping fin produced in welding process, has improved the fatigue life of mild steel attenuator.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the assembled mild steel damper of the present invention.
Fig. 2 is a schematic structural diagram of the assembled mild steel damper of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, an assembled mild steel damper includes a lower connecting plate 1, an upper connecting plate 2, webs 3 and connecting bolts 4, wherein the webs 3 are embedded between the lower connecting plate 1 and the upper connecting plate 2 through the connecting bolts 4;
specifically, a lower connecting plate 1 and an upper connecting plate 2 are arranged in parallel, a plurality of sinking grooves 1-1 are formed in the opposite surfaces of the lower connecting plate 1 and the upper connecting plate 2, the sinking grooves 1-1 are strip-shaped sinking grooves and are arranged along the width direction of the lower connecting plate 1/the upper connecting plate 2, the depth of each sinking groove 1-1 is smaller than the plate thickness of the lower connecting plate 1/the upper connecting plate 2, and the width of each sinking groove 1-1 is equal to the thickness of a web plate 3; the surfaces of the lower connecting plate 1 and the upper connecting plate 2 are also provided with sunk slot holes 1-3, the sunk slot holes 1-3 are arranged along the vertical direction and are communicated with the sunk slots 1-1, preferably, each sunk slot 1-1 is correspondingly provided with not less than two sunk slot holes 1-3;
the surfaces of the lower connecting plate 1 and the upper connecting plate 2 are also provided with a plurality of connecting through holes 1-2, the connecting through holes 1-2 are positioned at the edge positions of two sides of the lower connecting plate 1/the upper connecting plate 2, and a bolt penetrates through the connecting through holes 1-2 to fix the whole assembly type soft steel damper on an external structure to be connected into a whole;
the web plate 3 is an X-shaped, triangular, rectangular, hyperbolic, dumbbell-shaped or rhombic open-pore rectangular plate and is made of mild steel with yield strength of 160MPa-355 MPa; the upper end surface and the lower end surface of the web plate 3 are provided with threaded holes 3-1, the threaded holes 3-1 and the sunk slotted holes 1-3 are correspondingly arranged, the connecting bolts 4 penetrate through the sunk slotted holes 1-3 and are inserted into the threaded holes 3-1, the web plate 3 is fixed on the surfaces of the lower connecting plate 1 and the upper connecting plate 2, and the depth of the sunk slotted holes 1-3 is larger than the thickness of screw caps of the connecting bolts 4; the number of the webs 3 is set corresponding to that of the sinking grooves 1-1, the webs 3 are arranged in an array along the length direction of the lower connecting plate 1/the upper connecting plate 2, and the distance between every two adjacent webs 3 is 1-3 times the thickness of the webs 3;
each part adopts the assembled connection among this mild steel attenuator structure, adopts bolted connection between web and the upper and lower connecting plate, and upper and lower connecting plate also adopts bolted connection with the exterior structure, and this kind of assembled connection mode not only can realize portable dismouting, moreover because the web inlays the dress in upper and lower connecting plate, can avoid the residual stress, welding defect, the heat altered scheduling problem that the steel damping fin produced in welding process, has improved the fatigue life of mild steel attenuator.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the structure of the invention and various modifications, additions or substitutions as are known to those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The assembled mild steel damper is characterized by comprising a lower connecting plate (1), an upper connecting plate (2), webs (3) and connecting bolts (4), wherein the webs (3) are embedded between the lower connecting plate (1) and the upper connecting plate (2) through the connecting bolts (4);
a plurality of sinking grooves (1-1) are formed in the opposite surfaces of the lower connecting plate (1) and the upper connecting plate (2), the sinking grooves (1-1) are strip-shaped sinking grooves and are arranged along the width direction of the lower connecting plate (1)/the upper connecting plate (2); sinking groove holes (1-3) are also formed in the surfaces of the lower connecting plate (1) and the upper connecting plate (2), and the sinking groove holes (1-3) are arranged in the vertical direction and communicated with the sinking grooves (1-1);
the upper end surface and the lower end surface of the web plate (3) are provided with threaded holes (3-1), the threaded holes (3-1) and the sunken slotted holes (1-3) are correspondingly arranged, the connecting bolts (4) penetrate through the sunken slotted holes (1-3) and are inserted into the threaded holes (3-1), the web plate (3) is fixed on the surfaces of the lower connecting plate (1) and the upper connecting plate (2), and the number of the web plates (3) is corresponding to that of the sunken slots (1-1).
2. A fabricated mild steel damper according to claim 1, characterised in that said lower connection plate (1) and upper connection plate (2) are arranged in parallel.
3. A fabricated mild steel damper according to claim 1, characterized in that the depth of the sink groove (1-1) is less than the plate thickness of the lower connecting plate (1)/the upper connecting plate (2), and the width of the sink groove (1-1) is equal to the thickness of the web (3).
4. The assembled mild steel damper as claimed in claim 1, wherein each sinking groove (1-1) is correspondingly provided with not less than two sinking groove holes (1-3).
5. The assembly type mild steel damper according to claim 1, wherein a plurality of connecting through holes (1-2) are further formed in the surfaces of the lower connecting plate (1) and the upper connecting plate (2), the connecting through holes (1-2) are located at the edge positions of two sides of the lower connecting plate (1)/the upper connecting plate (2), and bolts penetrate through the connecting through holes (1-2) to fix the whole assembly type mild steel damper on an external structure.
6. A fabricated mild steel damper according to claim 1, characterized in that the web (3) is an X-shaped, triangular, rectangular, hyperbolic, dumbbell-shaped or diamond-shaped open-pore rectangular plate made of mild steel with yield strength of 160MPa-355 MPa.
7. A fabricated mild steel damper according to claim 1, characterised in that the depth of said countersunk holes (1-3) is greater than the nut thickness of the connecting bolts (4).
8. A fabricated mild steel damper according to claim 1, characterized in that several webs (3) are arranged in an array along the length direction of the lower connecting plate (1)/the upper connecting plate (2), and the distance between adjacent webs (3) is 1-3 times the thickness of the webs (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217951.5U CN211817108U (en) | 2020-02-27 | 2020-02-27 | Assembled mild steel damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217951.5U CN211817108U (en) | 2020-02-27 | 2020-02-27 | Assembled mild steel damper |
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| Publication Number | Publication Date |
|---|---|
| CN211817108U true CN211817108U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020217951.5U Active CN211817108U (en) | 2020-02-27 | 2020-02-27 | Assembled mild steel damper |
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| CN (1) | CN211817108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585847A (en) * | 2021-07-23 | 2021-11-02 | 北京工业大学 | Assembled self-reset combined disc spring X-shaped mild steel energy consumption device |
| CN115637781A (en) * | 2022-11-15 | 2023-01-24 | 四川省建筑科学研究院有限公司 | Energy dissipation recoverable steel structure beam column node and assembling method thereof |
-
2020
- 2020-02-27 CN CN202020217951.5U patent/CN211817108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585847A (en) * | 2021-07-23 | 2021-11-02 | 北京工业大学 | Assembled self-reset combined disc spring X-shaped mild steel energy consumption device |
| CN115637781A (en) * | 2022-11-15 | 2023-01-24 | 四川省建筑科学研究院有限公司 | Energy dissipation recoverable steel structure beam column node and assembling method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fabricated mild steel damper Effective date of registration: 20220610 Granted publication date: 20201030 Pledgee: China Co. truction Bank Corp Hefei Chengxi Branch Pledgor: ANHUI SHOULDER TECHNOLOGY Co.,Ltd. Registration number: Y2022980007471 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |