CN217679780U - Self-limiting friction damper - Google Patents
Self-limiting friction damper Download PDFInfo
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- CN217679780U CN217679780U CN202221770740.XU CN202221770740U CN217679780U CN 217679780 U CN217679780 U CN 217679780U CN 202221770740 U CN202221770740 U CN 202221770740U CN 217679780 U CN217679780 U CN 217679780U
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Abstract
The utility model discloses a belong to energy consumption shock attenuation technical field, include: a first friction plate; a second friction plate; the limiting block is connected with the first friction plate or the second friction plate; a slide plate assembled between the first friction plate and the second friction plate; the end part of the sliding plate, which is far away from the limiting block, is provided with a limiting plate; the self-limiting friction damper has the advantages of simple structure, convenience in use and low production cost, converts seismic energy into kinetic energy, and converts the kinetic energy into heat energy through friction among members so as to play a role in damping and dissipating energy; the three components are fastened and fixed through high-strength bolts and belleville springs, and the sliding plate and the two friction plates can move relatively when an earthquake occurs, so that the friction force of a product is generated; the damper is characterized in that the two ends of the damper are provided with the limiting elements, and when the working displacement of a product exceeds the limit displacement, the sliding block and the friction plate can be in contact with the limiting elements so as to limit the product to continue moving and protect the product; even if the structure continues to deform, secondary energy consumption is carried out through the performance of the steel plates such as the limiting plates.
Description
Technical Field
The utility model belongs to the technical field of the power consumption shock attenuation, concretely relates to from spacing friction damper.
Background
The buildings in most regions of China need earthquake-proof fortification, and the damage of multi-story high-rise buildings can bring great loss to the lives and properties of people and can bring serious influence to the stable development of the country and the society; the earthquake-resistant technology has a 'hard resistance' method, namely, the earthquake is resisted by improving the strength, the rigidity and the like of the structure; however, buildings equipped with high-precision instruments, such as industrial plants, hospitals and communication centers, have high requirements on anti-seismic design, and cannot meet the requirements by adopting the traditional design method of energy absorption and seismic resistance depending on buildings; with the development of building earthquake-resistant technology and the deep knowledge of earthquake-resistant mechanism, energy consumption and shock absorption become a development trend of earthquake-resistant technology, and the realization of an energy consumption and shock absorption structure system mainly depends on a damper;
the traditional friction damper mainly has the parameters of starting-sliding damping force, starting-sliding displacement, extreme displacement and the like; when the interlayer displacement generated by the structure is too large and exceeds the ultimate displacement of the product in rare earthquakes, the screw rod in the product can bear the shearing force caused by the structural deformation, so that the normal work of the product is influenced by the destruction of the bolt, and the current problem is solved by researching and developing a novel friction damper.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from spacing friction damper to solve traditional friction damper because the problem of the shear force destruction bolt that structural deformation brought.
In order to achieve the above purpose, the utility model provides a following technical scheme: a self-limiting friction damper comprising:
a first friction plate;
a second friction plate;
the limiting block is connected with the first friction plate or the second friction plate;
a slide plate assembled between the first friction plate and the second friction plate;
wherein, the slide is provided with the limiting plate away from the tip of stopper.
Preferably, the limiting plate includes:
the first limiting plate is fixed on the side surface of the sliding plate, and the second limiting plate is arranged symmetrically with the first limiting plate and is fixed on the other side surface of the sliding plate;
and the distance between the first limiting plate and the first friction plate and the distance between the second limiting plate and the second friction plate form limit displacement.
Preferably, the sliding plate, the first friction plate and the second friction plate are provided with a plurality of matched fixing through holes, and the sliding plate, the first friction plate and the second friction plate are fixed by the fixing through holes through bolts.
Preferably, the bolt is sleeved with a disc spring, and the disc spring is abutted against the lower end face of the second friction plate (32).
Preferably, the first friction plate and the second friction plate are respectively provided with a limiting block.
Preferably, the first friction plate is provided with two limit blocks;
the second friction plate is provided with two limiting blocks.
Preferably, the number of the limiting plates is two, and the two limiting plates are distributed in parallel.
Preferably, the spacing between the limiting block and the sliding plate far away from the limiting plate forms limit displacement.
Preferably, the number of the fixing through holes is 8, and the fixing through holes are distributed in a matrix shape.
Preferably, the sliding plate, the first friction plate and the second friction plate are all of a rectangular parallelepiped structure.
The utility model discloses a technological effect and advantage: the self-limiting friction damper is simple in structure, convenient to use and low in production cost, converts seismic energy into kinetic energy, and then converts the kinetic energy into heat energy through friction among members so as to play a role in damping; the three components are fastened and fixed through high-strength bolts and belleville springs, and when an earthquake occurs, the sliding plate and the two friction plates can move relatively, so that the friction force of a product is generated; the damper is characterized in that limiting elements such as limiting plates, limiting blocks and the like are arranged at two ends of the damper, and when the working displacement of a product exceeds the limiting displacement, the sliding block and the friction plate can be in contact with the limiting elements so as to limit the product to continue moving and protect the product; even if the structure continues to deform, secondary energy consumption is carried out through the performance of the steel plates such as the limiting plates.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a top view of the present invention.
In the figure: 10. a slide plate; 20. a limiting plate; 21. a first limit plate; 22. a second limiting plate; 31. a first friction plate; 32. a second friction plate; 33. a limiting block; 40. a bolt; 50. a disc spring; A. and (4) ultimate displacement.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a friction damper from spacing as shown in figure 1, include:
the first friction plate 31;
the second friction plate 32;
a stopper 33 connected to the first friction plate 31 or the second friction plate 32;
in this embodiment, the first friction plate 31 and the second friction plate 32 are respectively provided with a stopper 33;
the first friction plate 31 is provided with two limit blocks 33;
the second friction plate 32 is provided with two limit blocks 33;
a slide plate 10 fitted between the first friction plate 31 and the second friction plate 32;
in this embodiment, the sliding plate 10, the first friction plate 31 and the second friction plate 32 are all rectangular parallelepiped structures;
the end part of the sliding plate 10 far away from the limiting block 33 is provided with a limiting plate 20; the limit plate 31 includes:
the sliding plate comprises a first limiting plate 21 fixed on one side surface of the sliding plate 10 and a second limiting plate 22 arranged symmetrically to the first limiting plate 21 and fixed on the other side surface of the sliding plate 10;
the distance between the first limiting plate 21 and the first friction plate 31 and the distance between the second limiting plate 22 and the second friction plate 32 form a limit displacement; the spacing between the limiting block 33 and the sliding plate 10 far away from the limiting plate 33 forms a limiting displacement, as shown at a in fig. 1;
in this embodiment, as shown in fig. 2, the number of the limiting plates 20 is two, and the two limiting plates 20 are distributed in parallel;
the sliding plate 10, the first friction plate 31 and the second friction plate 32 are provided with a plurality of matched fixing through holes, and the sliding plate 10, the first friction plate 31 and the second friction plate 32 are fixed by the fixing through holes through bolts 40. The bolt 40 is sleeved with a disc spring 50, and the disc spring 50 is abutted against the lower end face of the second friction plate 32; notably, the bolt 40 is a high-strength bolt;
the disc spring 50 is a disc spring;
in this embodiment, the quantity of fixed through-hole is 8, and two liang of parallels are the matrix form and distribute, have improved fixed fastness.
The working principle is as follows: the self-limiting friction damper belongs to metal energy-consuming and shock-absorbing products, and when the working displacement exceeds the limit displacement, the sliding plate 10, the first friction plate 31 and the second friction plate 32 can contact with the limiting block 33 to limit the products to continue moving, so that the products are protected; even if the structure continues to deform, secondary energy dissipation is carried out through the performance of the steel plates such as the first limiting plate 21 and the first limiting plate 22; the sliding plate 10, the first friction plate 31 and the second friction plate 32 can move relatively when an earthquake occurs by fastening and fixing the high-strength bolts and the belleville springs, so that the friction force of the product is generated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. A self-limiting friction damper, characterized in that: the method comprises the following steps:
a first friction plate (31);
a second friction plate (32);
a stopper (33) connected to the first friction plate (31) or the second friction plate (32);
a slide plate (10) fitted between the first friction plate (31) and the second friction plate (32);
wherein, the end part of the sliding plate (10) far away from the limiting block (33) is provided with a limiting plate (20).
2. A self-limiting friction damper as recited in claim 1, wherein: the limiting plate (20) comprises:
the sliding plate structure comprises a first limiting plate (21) fixed on the side surface of the sliding plate (10) and a second limiting plate (22) which is symmetrically arranged with the first limiting plate (21) and fixed on the other side surface of the sliding plate (10);
the distance between the first limiting plate (21) and the first friction plate (31) and the distance between the second limiting plate (22) and the second friction plate (32) form limit displacement.
3. A self-limiting friction damper as recited in claim 1, wherein: the sliding plate (10), the first friction plate (31) and the second friction plate (32) are provided with a plurality of matched fixing through holes, and the sliding plate (10), the first friction plate (31) and the second friction plate (32) are fixed through the fixing through holes by using bolts (40).
4. A self-limiting friction damper as recited in claim 3 wherein: and a disc spring (50) is sleeved on the bolt (40), and the disc spring (50) is abutted against the lower end surface of the second friction plate (32).
5. A self-limiting friction damper as set forth in claim 1 wherein: the first friction plate (31) and the second friction plate (32) are respectively provided with a limiting block (33).
6. A self-limiting friction damper as set forth in claim 5 wherein: the first friction plate (31) is provided with two limiting blocks (33);
the second friction plate (32) is provided with two limiting blocks (33).
7. A self-limiting friction damper as set forth in claim 1 wherein: the number of the limiting plates (20) is two, and the two limiting plates (20) are distributed in parallel.
8. A self-limiting friction damper as recited in claim 1, wherein: the spacing between the limiting block (33) and the sliding plate (10) far away from the limiting plate (20) forms limiting displacement.
9. A self-limiting friction damper as recited in claim 3 wherein: the number of the fixing through holes is 8, and the fixing through holes are distributed in a matrix shape.
10. A self-limiting friction damper as claimed in any one of claims 1-9 wherein: the sliding plate (10), the first friction plate (31) and the second friction plate (32) are all of cuboid structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770740.XU CN217679780U (en) | 2022-07-08 | 2022-07-08 | Self-limiting friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770740.XU CN217679780U (en) | 2022-07-08 | 2022-07-08 | Self-limiting friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217679780U true CN217679780U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221770740.XU Active CN217679780U (en) | 2022-07-08 | 2022-07-08 | Self-limiting friction damper |
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| Country | Link |
|---|---|
| CN (1) | CN217679780U (en) |
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2022
- 2022-07-08 CN CN202221770740.XU patent/CN217679780U/en active Active
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