CN221741646U - A metal yield-friction hybrid damper - Google Patents
A metal yield-friction hybrid damper Download PDFInfo
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- CN221741646U CN221741646U CN202420222297.5U CN202420222297U CN221741646U CN 221741646 U CN221741646 U CN 221741646U CN 202420222297 U CN202420222297 U CN 202420222297U CN 221741646 U CN221741646 U CN 221741646U
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Abstract
本实用新型是一种金属屈服‑摩擦混合阻尼器，包括滑动钢板、固定钢板、一对盖板、蝶形弹簧、第一高强度螺栓、第二高强度螺栓，一对盖板相对面一侧对应设有制动衬片，另一侧对应设有若干金属狭缝，滑动钢板滑动夹设在一对制动衬片相对面之间并通过若干第一高强度螺栓紧固，固定钢板固定夹设在一对盖板相对面远离制动衬片一侧并通过若干第二高强度螺栓固定，第一高强度螺栓的螺母和垫片之间、第二高强度螺栓的螺母和垫片之间分别安装有蝶形弹簧，滑动钢板和固定钢板相背离一侧伸出盖板并分别与外部结构连接。本实用新型可广泛应用于各类建筑结构当中，结构形式简单，耗能效果良好，安装方便，可广泛推广。
The utility model is a metal yield-friction hybrid damper, comprising a sliding steel plate, a fixed steel plate, a pair of cover plates, a butterfly spring, a first high-strength bolt, and a second high-strength bolt. A pair of cover plates have brake linings on one side of their opposite surfaces, and a plurality of metal slits on the other side. The sliding steel plate sliding clamp is arranged between the opposite surfaces of the pair of brake linings and is fastened by a plurality of first high-strength bolts. The fixed steel plate fixing clamp is arranged on the opposite surface of the pair of cover plates away from the brake lining and is fastened by a plurality of second high-strength bolts. The butterfly springs are respectively installed between the nut and the washer of the first high-strength bolt and between the nut and the washer of the second high-strength bolt. The sliding steel plate and the fixed steel plate extend out of the cover plate on the opposite side and are respectively connected to the external structure. The utility model can be widely used in various types of building structures, has a simple structure, good energy consumption effect, is easy to install, and can be widely promoted.
Description
Technical Field
The utility model relates to the technical field of structural energy dissipation vibration reduction control, in particular to a metal yielding-friction hybrid damper.
Background
Dampers installed in building structures can effectively dissipate seismic energy, thereby reducing damage to the structure from seismic events, and have been increasingly used in the field of structural shock absorption. Depending on the type of energy dissipation mechanism, dampers can be divided into the following: metal dampers, viscoelastic dampers, friction dampers, and viscous dampers. Both metal dampers and friction dampers are preferred by designers due to their simple construction and stable energy consumption, however both dampers still have some drawbacks.
Friction dampers often exhibit sudden drops or rises in dissipation force due to instability of their friction interface, and their friction interface performance still needs to be improved. Once the metal damper yields, its service life and service function can drop dramatically. Therefore, in order to solve the problem of single use of the metal damper and the friction damper, the utility model researches a metal yielding-friction hybrid damper.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a metal yielding-friction hybrid damper.
The utility model adopts the following technical scheme to realize the aim: the utility model provides a metal yield-friction hybrid damper, including the slip steel sheet, the fixed steel sheet, a pair of apron, the belleville spring, first high strength bolt, the second high strength bolt, a pair of apron opposite face one side corresponds and is equipped with the brake lining, the opposite side corresponds and is equipped with a plurality of metal slits, the slip steel sheet slides and presss from both sides and establish between a pair of brake lining opposite face and fasten through a plurality of first high strength bolts, the fixed steel sheet fixation clamp is established and is kept away from brake lining one side and fix through a plurality of second high strength bolts in a pair of apron opposite face, install the belleville spring between the nut of first high strength bolt and the gasket respectively between the nut of second high strength bolt and the gasket, slip steel sheet and fixed steel sheet deviate from one side and stretch out the apron and be connected with external structure respectively.
In particular, a pair of sliding grooves are formed in the middle of the sliding steel plate, first bolt holes corresponding to the sliding grooves are formed in the cover plate, and the first high-strength bolts penetrate through the sliding grooves and the first bolt holes, slide along the length direction of the sliding grooves and rub against the brake linings.
In particular, the sliding steel plate has a smaller thickness than the fixed steel plate.
In particular, a pair of second bolt holes are formed in the fixed steel plate, a third bolt hole corresponding to the second bolt hole is formed in the cover plate, and the second high-strength bolt penetrates through the second bolt hole and the third bolt hole.
In particular, the metal slit is located between the first bolt hole and the third bolt hole.
The beneficial effects of the utility model are as follows:
1. The metal deformation of the brake lining and the cover plate plays a role in energy consumption, and has good energy consumption capability;
2. in the utility model, all parts of the damper are connected through the high-strength bolts, and all parts can be replaced after being damaged, so that the durability of the damper is improved;
3. The friction sliding interface between the brake lining and the sliding steel plate has self-lubricity, so that the friction sliding phenomenon can be effectively weakened, and a constant friction coefficient irrelevant to the loading rate can be obtained;
4. In the utility model, even if the energy consumption of the brake lining is weakened or fails, the metal deformation between the metal slits on the cover plate can still provide some energy dissipation and rigidity;
5. The belleville spring is helpful for maintaining a constant normal force level on a friction interface in the sliding process and preventing the loss of the normal force of the damper under large cyclic displacement;
6. The utility model can be widely applied to various building structures, has simple structure form, good energy consumption effect and convenient installation, and can be widely popularized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a sliding steel plate structure according to the present utility model;
FIG. 3 is a schematic view of a structure of a fixed steel plate according to the present utility model;
FIG. 4 is a schematic diagram of a cover plate structure according to the present utility model;
In the figure: 1-sliding steel plate; 101-a sliding groove; 2-fixing a steel plate; 201-a second bolt hole; 3-cover plate; 301-a first bolt hole; 302-a brake lining; 303-a third bolt hole; 304-a metal slit; 4-belleville springs; 5-a first high strength bolt; 6-a second high strength bolt;
the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
As shown in fig. 1 to 4, a metal yielding-friction hybrid damper includes a sliding steel plate 1, a fixed steel plate 2, a pair of cover plates 3, a belleville spring 4, a first high strength bolt 5, a second high strength bolt 6;
One side of the opposite surfaces of the pair of cover plates 3 is correspondingly provided with brake linings 302, the other side of the opposite surfaces of the pair of cover plates 3 is correspondingly provided with a plurality of metal slits 304, the sliding steel plate 1 is clamped between the opposite surfaces of the pair of brake linings 302 in a sliding manner and is fastened through a plurality of first high-strength bolts 5, belleville springs 4 are arranged between nuts and gaskets of the first high-strength bolts 5, the number of the belleville springs 4 is not limited to 1, and the corresponding number is determined according to actual needs; the middle part of the sliding steel plate 1 is provided with a pair of sliding grooves 101, the cover plate 3 is provided with first bolt holes 301 corresponding to the sliding grooves 101, the first high-strength bolts 5 penetrate through the sliding grooves 101 and the first bolt holes 301, and the sliding steel plate 1 slides along the length direction of the sliding grooves 101 and rubs with a brake lining 302; the initial position of the first bolt hole 301 is located at the midpoint in the longitudinal direction of the sliding groove 101 of the sliding steel plate 1; the thickness of the sliding steel plate 1 is smaller than that of the fixed steel plate 2;
Specifically, the sliding steel plate 1 is slidable along the longitudinal direction of the sliding groove 101 and rubs against the brake pads 302 of the upper and lower cover plates 3; the metal deformation of the brake lining 302 and the cover plate 3 plays a role in energy consumption, and has good energy consumption capability; the friction sliding interface between the brake lining 302 and the sliding steel plate 1 has self-lubricity, so that the friction sliding phenomenon can be effectively weakened, and a constant friction coefficient irrelevant to the loading rate can be obtained; the metal deformation between the metal slits 304 on the cover plate 3 provides some energy dissipation and stiffness even if the energy dissipating effect of the brake lining 302 is reduced or disabled; the belleville springs 4 help maintain a constant normal force level on the friction interface during sliding and prevent loss of damper normal force at large cyclic displacements; the sliding steel plate 1 and the cover plate 3 are connected through the first high-strength bolts 5 and can be replaced after being damaged, so that the durability of the damper is improved;
The fixed steel plates 2 are fixedly clamped on one side, far away from the brake linings 302, of the opposite surfaces of the pair of cover plates 3 and are fixed through a plurality of second high-strength bolts 6, belleville springs 4 are arranged between nuts and gaskets of the second high-strength bolts 6, the number of the belleville springs 4 is not limited to 1, and the corresponding number is determined according to actual needs; a pair of second bolt holes 201 are formed in the fixed steel plate 2, a third bolt hole 303 corresponding to the second bolt hole 201 is formed in the cover plate 3, and the second high-strength bolt 6 passes through the second bolt hole 201 and the third bolt hole 303; a metal slit 304 is located between the first bolt hole 301 and the third bolt hole 303; the cover plate 3 and the fixed steel plate 2 are connected through the second high-strength bolts 6, and can be replaced after being damaged, so that the durability of the damper is improved; the sliding steel plate 1 and the fixed steel plate 2 extend out of the cover plate 3 from opposite sides and are respectively connected with an external structure.
When an earthquake occurs, the sliding steel plate 1 is stretched or compressed under the action of external force, the sliding steel plate 1 moves relative to the upper cover plate 3 and the lower cover plate 3 along the sliding groove 101, and the brake linings 302 on the upper cover plate 3 and the lower cover plate 3 rub with the sliding steel plate 1, so that earthquake energy is consumed; when the earthquake energy is large, the relative displacement between the sliding steel plate 1 and the upper cover plate 3 exceeds the maximum limiting displacement of the sliding groove 101, the first high-strength bolt 5 is just clamped on one side of the sliding groove 101, the metal of the metal slit 304 of the upper cover plate 3 and the lower cover plate 3 can yield and deform under the action of external force, the earthquake energy is continuously consumed, and secondary protection is provided for the building structure.
When the utility model works, the damper can be arranged in the middle of the truss rod in the building structure in a welding or bolt connection mode, and can also be arranged at any position of the structure through diagonal support. When an earthquake occurs, the structure vibrates, the sliding steel plate 1 is stretched or compressed under the action of external force, and the sliding steel plate 1 is relatively displaced from the upper and lower cover plates 3 along the sliding grooves 101.
As shown in fig. 1 and 2, when the sliding steel plate 1 is stretched to move leftwards, the sliding steel plate 1 and the brake linings 302 of the upper and lower cover plates 3 are relatively displaced, and seismic energy is consumed; when the earthquake energy is large, the first high-strength bolt 5 is clamped at the right end of the sliding groove 101 of the sliding steel plate 1, the metal between the metal slits 304 of the upper cover plate 3 and the lower cover plate is deformed in a yielding way under the action of external force, and the earthquake energy is continuously consumed.
When the sliding steel plate 1 is compressed to move rightwards, the sliding steel plate 1 and the brake linings 302 of the upper cover plate 3 are relatively displaced, so that earthquake energy is consumed; when the earthquake energy is large, the first high-strength bolt 5 is clamped at the left end of the sliding groove 101 of the slidable steel plate 1, the metal between the metal slits 304 of the upper cover plate 3 and the lower cover plate is deformed in a yielding way under the action of external force, the earthquake energy is continuously consumed, and secondary protection is provided for the building structure.
The utility model combines the advantages of the friction damper and the metal damper, has good energy consumption function, strong applicability and durability, solves the problems that the friction performance of the friction damper is easy to be lost and the metal damper is easy to be damaged, has simple structure form and convenient installation, and can be widely applied to various building structures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.
Claims (5)
1. The utility model provides a metal yielding-friction hybrid damper, a serial communication port, including sliding steel plate (1), fixed steel plate (2), a pair of apron (3), belleville spring (4), first high strength bolt (5), second high strength bolt (6), a pair of apron (3) opposite face one side corresponds and is equipped with brake lining (302), the opposite side corresponds and is equipped with a plurality of metal slits (304), sliding steel plate (1) slip clamp is established between a pair of brake lining (302) opposite face and is fastened through a plurality of first high strength bolt (5), fixed steel plate (2) fixation clamp is established and is kept away from brake lining (302) one side and is fixed through a plurality of second high strength bolt (6) in a pair of apron (3) opposite face, install belleville spring (4) between the nut and the gasket of second high strength bolt (6) respectively, sliding steel plate (1) and fixed steel plate (2) are carried away from one side and are stretched out apron (3) and are connected with external structure respectively.
2. The metal yielding-friction hybrid damper according to claim 1, wherein a pair of sliding grooves (101) are formed in the middle of the sliding steel plate (1), first bolt holes (301) corresponding to the sliding grooves (101) are formed in the cover plate (3), the first high-strength bolts (5) penetrate through the sliding grooves (101) and the first bolt holes (301), and the sliding steel plate (1) slides along the length direction of the sliding grooves (101) and rubs with the brake linings (302).
3. A metal yielding-friction hybrid damper according to claim 1, characterized in that the sliding steel plate (1) has a smaller thickness than the fixed steel plate (2).
4. A metal yielding-friction hybrid damper according to claim 2, wherein the fixed steel plate (2) is provided with a pair of second bolt holes (201), the cover plate (3) is provided with a third bolt hole (303) corresponding to the second bolt hole (201), and the second high-strength bolt (6) passes through the second bolt hole (201) and the third bolt hole (303).
5. A metal yielding-friction hybrid damper according to claim 4, characterized in that the metal slit (304) is located between the first bolt hole (301) and the third bolt hole (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420222297.5U CN221741646U (en) | 2024-01-30 | 2024-01-30 | A metal yield-friction hybrid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420222297.5U CN221741646U (en) | 2024-01-30 | 2024-01-30 | A metal yield-friction hybrid damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221741646U true CN221741646U (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420222297.5U Active CN221741646U (en) | 2024-01-30 | 2024-01-30 | A metal yield-friction hybrid damper |
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| Country | Link |
|---|---|
| CN (1) | CN221741646U (en) |
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- 2024-01-30 CN CN202420222297.5U patent/CN221741646U/en active Active
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