CN218758057U - High-damping rubber friction damper - Google Patents
High-damping rubber friction damper Download PDFInfo
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- CN218758057U CN218758057U CN202221736928.2U CN202221736928U CN218758057U CN 218758057 U CN218758057 U CN 218758057U CN 202221736928 U CN202221736928 U CN 202221736928U CN 218758057 U CN218758057 U CN 218758057U
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Abstract
The utility model discloses a high damping rubber friction damper, including lower connecting plate and upper junction plate, the welding of the intermediate position department at connecting plate top has the conversion steel sheet down, the inside of conversion steel sheet evenly is provided with the first connecting bolt hole of multiunit, the inside threaded connection of first connecting bolt hole has connecting bolt, connecting bolt's outside threaded connection has restraint steel sheet, and is two sets of restraint steel sheet inside bottom has seted up multiunit second connecting bolt hole. The utility model adopts two energy dissipation materials of high damping rubber and friction plate to effectively combine as a composite energy dissipation damper, and utilizes the advantages of small sliding displacement, early yielding, large extreme deformation and large equivalent viscous damping ratio of the friction plate; the advantages of high ultimate bearing capacity and self-recovery capacity of the high-damping rubber material are utilized, the advantages of two different energy-consuming materials are combined, and the compounded high-damping rubber friction damper has the characteristics of early yield, large deformation and high bearing capacity.
Description
Technical Field
The utility model relates to a building energy dissipation shock attenuation technical field specifically is a high damping rubber friction damper.
Background
Since the national academy of affairs (No. 744 of the national academy of people's republic of China) issued in 2021, 5 and 12 months, the application field of the shock absorption and isolation technology of the building structure in China is greatly expanded, and a large number of building projects in domestic high-intensity defense areas and earthquake key monitoring and defense areas need to forcibly adopt the energy dissipation, shock absorption and isolation technology.
The energy dissipation and shock absorption technology is widely popularized and applied in China in nearly ten years, various types of energy dissipation and shock absorption products are gradually brought to the market, and the core of the energy dissipation and shock absorption technology is that earthquake energy is dissipated by deforming the rate of a damper unit first, so that the energy dissipation and shock absorption damper products have the characteristic of diversity based on the energy dissipation and shock absorption principle and the characteristics of various damping materials. From the multiple angles of the anti-seismic performance design target of the shock absorption project, the energy consumption efficiency of the damper, the applicability of different building structure types, the installation of the damper and the manufacturing cost, a replaceable composite shock absorption product which can give consideration to early yielding, high ductility, large deformation and high bearing capacity is developed to overcome the defect of single function of the conventional damper.
The applicant finds that the prior various energy dissipation and shock absorption technical products at least have the following technical problems:
1. the energy consumption materials and functions of most dampers are single, for example, the friction damper only consumes energy by using the friction resistance of a friction plate product, the friction force is constant, the bearing capacity of the friction damper is constant after the friction damper is subjected to sliding deformation, but the floor shearing force of the structure is increased by times along with the building under different earthquake levels of frequent earthquakes, fortification earthquakes and rare earthquakes, so that the energy consumption effect of the friction damper is gradually reduced along with the larger structural deformation; in addition, as a single rubber damper and a single viscoelastic damper, the damping force is smaller under small deformation, the rigidity after yielding energy consumption is larger, the storage rigidity is larger, the equivalent viscous damping ratio is smaller than that of a friction damper, a viscous damper and the like, but the bearing capacity is higher under large deformation, and the self-resetting capability is certain.
2. In recent years, various composite dampers such as steel-lead dampers, lead rubber dampers and the like all utilize the characteristic of strong lead energy consumption capability, but lead and steel energy consumption materials in the steel-lead dampers are difficult to coordinately deform and connect and assemble; the lead rubber damper needs to be vulcanized at high temperature, the formed lead block is difficult to effectively assemble and fix in the damper, the coordination work of two energy-consuming materials in a large deformation process cannot be guaranteed, the processing technology is complex, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high damping rubber friction damper to solve the power consumption ability that improves the attenuator among the above-mentioned background art, improve the unable problem that improves of bearing capacity after single friction damper plays to slide, improve single high damper rubber and surrender the displacement big, surrender the load low, surrender the back rigidity and store the rigidity great, the low problem of equivalent viscous damping ratio.
Technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high damping rubber friction damper, includes connecting plate and upper junction plate down, the intermediate position department welding at connecting plate top has the conversion steel sheet down, the inside of conversion steel sheet evenly is provided with the first connecting bolt hole of multiunit, the inside threaded connection of first connecting bolt hole has connecting bolt, connecting bolt's outside threaded connection has restraint steel sheet, and is two sets of multiunit second connecting bolt hole has been seted up to the inside bottom of restraint steel sheet, and is two sets of pretension bolt hole has been seted up at the both ends at the inside top of restraint steel sheet, and is two sets of the intermediate position department that the restraint steel sheet is close to one side each other is provided with the high damping rubber layer, and a set of the both ends at restraint steel sheet one side top are provided with belleville spring, the inside threaded connection of pretension bolt hole has pretension bolt, the inside of belleville spring is run through to one side of pretension bolt, the welding of upper junction plate has the shearing steel sheet, the both ends at the inside top of shearing steel sheet have long hole groove, and two sets of restraint steel sheet near one side each other top is provided with the friction plate, and two sets of restraint steel sheet are fixed respectively in the both sides of shearing steel sheet through pretension bolt, high damping rubber layer is located between restraint steel sheet and the shearing steel sheet.
Preferably, the high damping rubber layer is a composite rubber material, and a compounding agent is added into natural rubber in the composite rubber material.
Preferably, the high damping rubber layer is bonded between the shear energy consumption steel plate and the constraint steel plate through an adhesive under a high-temperature vulcanization measure.
Preferably, one side of the pretensioning bolt penetrates through the inside of the long hole groove, and one side of the pretensioning bolt penetrates through the inside of the two friction plates.
Preferably, the friction plate is of a flat plate structure, and is arranged between the constraint steel plate and the shearing steel plate and is tightly attached to the constraint steel plate.
Preferably, the top of the restraining steel plate, which is close to one side of the shearing steel plate, is provided with a groove, and the friction plate and the groove are matched with each other.
The utility model provides a high damping rubber friction damper possesses following beneficial effect:
1. the composite energy-consuming damper is formed by effectively combining two energy-consuming materials, namely high-damping rubber and a friction plate, and has the advantages of small sliding displacement, early yield, large ultimate deformation and large equivalent viscous damping ratio of the friction plate; the composite high-damping rubber friction damper has the characteristics of early yielding, large deformation and high bearing capacity by utilizing the advantages of high ultimate bearing capacity and self-recovery capacity of the high-damping rubber material and combining the advantages of two different energy-consuming materials, and can meet the high-performance target requirement of a damping structure according to performance design.
2. The bearing capacity of a friction unit in the high-damping rubber friction damper can be controlled through the pretightening force of the belleville spring and the high-strength bolt, and the friction force can be accurately controlled; the bearing capacity and the deformation of the high-damping rubber part can be controlled by the shear modulus and the glue layer thickness of the high-damping rubber layer, the deformation and the bearing capacity can be accurately calculated, the assembly process of the friction plate and the high-damping rubber material is simple, the high-damping rubber layer is formed in a specific grinding tool through high-temperature vulcanization, the friction plate, the pre-tightening bolt and the disc spring can be assembled and formed after passing through the pass, the large-scale production can be realized, the high-damping rubber friction damper is connected with the conversion steel plate through the connecting bolt, the production and the assembly are rapid, the rubber friction damper can be disassembled and replaced after an earthquake, and the rapid maintenance and the rapid recovery function after the earthquake can be realized.
Drawings
Fig. 1 is a front sectional view of the present invention;
FIG. 2 is a side view of the shear steel plate of the present invention;
FIG. 3 is a side view of a transition steel plate of the present invention;
fig. 4 is a side view of the restraint steel plate of the present invention;
fig. 5 is a side view of the present invention.
In the figure: 1. a lower connecting plate; 2. converting a steel plate; 3. a connecting bolt; 4. a high damping rubber layer; 5. restraining a steel plate; 6. a disc spring; 7. a friction plate; 8. shearing a steel plate; 9. an upper connecting plate; 10. pre-tightening the bolts; 11. a first connecting bolt hole; 12. pre-tightening the bolt holes; 13. a second connecting bolt hole; 14. a slot with a long hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the product of the application is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the product of the application is used, is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or the element which is indicated must have a specific orientation, be configured and operated in a specific orientation, and therefore, cannot be understood as the limitation of the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or may be indirectly connected through an intermediate. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a high damping rubber friction damper, including lower connecting plate 1 and upper junction plate 9, the welding of intermediate position department at lower connecting plate 1 top has conversion steel sheet 2, conversion steel sheet 2's inside evenly is provided with the first connecting bolt hole 11 of multiunit, the inside threaded connection of first connecting bolt hole 11 has connecting bolt 3, connecting bolt 3's outside threaded connection has restraint steel sheet 5, multiunit second connecting bolt hole 13 has been seted up to the inside bottom of two sets of restraint steel sheet 5, pretension bolt hole 12 has been seted up at the both ends at the inside top of two sets of restraint steel sheet 5, two sets of restraint steel sheet 5 are close to each other one side's intermediate position department and are provided with high damping rubber layer 4, the both ends at a set of restraint steel sheet 5 one side top are provided with belleville spring 6, the inside threaded connection of pretension bolt hole 12 has pretension bolt 10, one side of pretension bolt 10 runs through the inside of belleville spring 6, the bottom welding of upper junction plate 9 has shearing steel sheet 8, the both ends at the inside top at shearing steel sheet 8 top of shearing steel sheet have been seted up slotted hole 14, two sets of restraint steel sheet 5 are close to each other one side and are provided with friction plate 7, two sets of restraint steel sheet 5 respectively fix the both sides at the both sides through pretension bolt 10, two sets of pretension bolt 10, high damping rubber layer are located restraint steel sheet 5 and shear plate 8.
As a preferable embodiment of the present embodiment: the high damping rubber layer 4 is made of composite rubber material, and the compounding agent is added into the natural rubber in the composite rubber material, so that the loss factor is increased, and the storage modulus is reduced.
As a preferable embodiment of the present embodiment: the high damping rubber layer 4 is bonded between the shearing energy consumption steel plate and the constraint steel plate through an adhesive under a high-temperature vulcanization measure, so that the high damping rubber layer 4 is connected more firmly.
As a preferable embodiment of the present embodiment: one side of the pretension bolt 10 penetrates through the inside of the long hole groove 14, and one side of the pretension bolt 10 penetrates through the inside of the two friction plates 7, so that the connection between the steel plate 5 and the shear steel plate 8 is restrained tightly.
As a preferable embodiment of the present embodiment: the friction plate 7 is a flat plate structure, and the friction plate 7 is arranged between the constraint steel plate 5 and the shearing steel plate 8 and is tightly attached, and has a certain expected set friction coefficient.
As a preferable embodiment of the present embodiment: the top of the constraint steel plate 5 close to one side of the shearing steel plate 8 is provided with a groove, and the friction plate 7 is matched with the groove, so that the friction plate 7 can be quickly detached.
In embodiment 1, as shown in fig. 1 to 5, the bearing capacity of the friction unit in the high damping rubber friction damper can be controlled by the pretightening force of the belleville spring 6 and the pretightening bolt 10, and the friction force can be accurately controlled; the bearing capacity and deformation of the high-damping rubber part can be controlled by the shear modulus and the rubber layer thickness of the high-damping rubber layer 4, and the deformation and the bearing capacity can be accurately calculated.
In the embodiment 2, as shown in fig. 1 to 5, the assembly process of the friction plate 7 and the high-damping rubber material is simple, the high-damping rubber layer 4 is formed in a specific grinding tool through high-temperature vulcanization, the friction plate 7, the pre-tightening bolt 10 and the belleville spring 6 can be assembled and formed after passing through the connecting bolt 3, large-scale production can be achieved, the high-damping rubber friction damper is connected with the conversion steel plate 2 through the connecting bolt 3, production and assembly are fast, the high-damping rubber friction damper can be detached and replaced after an earthquake, and the fast maintenance and fast recovery functions after the earthquake can be achieved.
The working principle is as follows: the composite energy-consuming damper is formed by effectively combining two energy-consuming materials, namely high-damping rubber and a friction plate 7, and has the advantages of small sliding displacement, early yield, large extreme deformation and large equivalent viscous damping ratio of the friction plate; the composite high-damping rubber friction damper has the characteristics of early yielding, large deformation and high bearing capacity by utilizing the advantages of high ultimate bearing capacity and self-recovery capacity of the high-damping rubber material and combining the advantages of two different energy-consuming materials, and can meet the high-performance target requirement of a damping structure according to performance design.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a high damping rubber friction damper, includes connecting plate (1) and upper junction plate (9) down, its characterized in that: the steel plate shear comprises a lower connecting plate (1), a plurality of groups of first connecting bolt holes (11) are uniformly formed in the inner portion of the lower connecting plate (2), connecting bolts (3) are connected to the inner threads of the first connecting bolt holes (11), restraining steel plates (5) are connected to the outer threads of the connecting bolts (3), a plurality of groups of second connecting bolt holes (13) are formed in the bottom of the inner portion of each restraining steel plate (5), pre-tightening bolt holes (12) are formed in the two ends of the inner portion of each restraining steel plate (5), high-damping rubber layers (4) are arranged at the middle positions, close to one side, of the two restraining steel plates (5), disc springs (6) are arranged at the two ends of the top of one side of each restraining steel plate (5), pre-tightening bolts (10) are connected to the inner threads of the pre-tightening bolt holes (12), one side of each pre-tightening bolt (10) penetrates through the inner portions of the disc springs (6), shear steel plates (8) are welded to the bottom of an upper connecting plate (9), long hole grooves (14) are formed in the two ends of the inner portion, the two groups of the top of the restraining steel plates (5) are close to one side, and the top of each other, and the two groups of each restraining steel plates (7) are fixed to the two sides of each pre-tightening steel plate (8), the high damping rubber layer (4) is positioned between the constraint steel plate (5) and the shearing steel plate (8).
2. A high damping rubber friction damper as claimed in claim 1, characterized in that: the high-damping rubber layer (4) is made of a composite rubber material, and a compounding agent is added into natural rubber in the composite rubber material.
3. A high damping rubber friction damper as claimed in claim 1, characterized in that: the high damping rubber layer (4) is bonded between the shearing energy consumption steel plate and the constraint steel plate through an adhesive under a high-temperature vulcanization measure.
4. A high damping rubber friction damper as claimed in claim 1 wherein: one side of the pre-tightening bolt (10) penetrates through the inside of the long hole groove (14), and one side of the pre-tightening bolt (10) penetrates through the inside of the two friction plates (7).
5. A high damping rubber friction damper as claimed in claim 1, characterized in that: the friction plate (7) is of a flat plate structure, and the friction plate (7) is arranged between the constraint steel plate (5) and the shearing steel plate (8) and is tightly attached to the constraint steel plate.
6. A high damping rubber friction damper as claimed in claim 1, characterized in that: the top of one side, close to the shearing steel plate (8), of the restraint steel plate (5) is provided with a groove, and the friction plate (7) is matched with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736928.2U CN218758057U (en) | 2022-07-07 | 2022-07-07 | High-damping rubber friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221736928.2U CN218758057U (en) | 2022-07-07 | 2022-07-07 | High-damping rubber friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218758057U true CN218758057U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221736928.2U Active CN218758057U (en) | 2022-07-07 | 2022-07-07 | High-damping rubber friction damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218758057U (en) |
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2022
- 2022-07-07 CN CN202221736928.2U patent/CN218758057U/en active Active
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