CN211646815U - Friction damper - Google Patents
Friction damper Download PDFInfo
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- CN211646815U CN211646815U CN201922395347.1U CN201922395347U CN211646815U CN 211646815 U CN211646815 U CN 211646815U CN 201922395347 U CN201922395347 U CN 201922395347U CN 211646815 U CN211646815 U CN 211646815U
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Abstract
The application discloses friction damper belongs to civil engineering antidetonation technical field. The friction damper includes: the T-shaped steel plate comprises a mounting plate and a friction main plate perpendicular to the mounting plate, and the friction main plate sequentially comprises a first flat plate section, a corrugated section and a second flat plate section; the corrugated surface of the friction pressing plate is matched with the corrugated section; the friction pressing plates are connected through high-strength bolts, and elastic parts are arranged on the high-strength bolts; the long round hole is formed in the length direction of the friction main plate, so that the friction main plate can move back and forth along the length direction of the long round hole. The friction damper has stable friction performance and long service life.
Description
Technical Field
The application relates to a friction damper, and belongs to the technical field of civil engineering anti-seismic.
Background
The development and research of the energy-consuming and shock-absorbing damper of the building structure become one of the hot spots of the research in the field of earthquake resistance of the world engineering. The damper is added in the structure to consume earthquake input energy and protect the main structural member, and the damper is widely proved to be an effective earthquake-proof measure. The passive energy dissipation and shock absorption devices commonly used in building structure systems are mainly classified into four categories: viscous dampers, metal dampers, viscoelastic dampers, and friction type dampers. Wherein, the theory of operation of friction type attenuator does: when earthquake happens, the mutual friction between materials consumes energy, thereby achieving the purpose of reducing the structural damage.
The traditional friction type damper generates friction through relative motion between flat plates, and along with the increase of the friction times, the friction surface is abraded, so that the friction coefficient is changed therewith, and finally, the long-time and multi-cycle stability of the damping force cannot be ensured.
How to overcome the defects of the friction damper, the product has more stable performance and longer service life, and the problem that the products need to be solved urgently in market promotion is solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides a friction type damper which is stable in friction performance and long in service life.
The technical scheme comprises the following contents:
a friction damper, comprising:
the T-shaped steel plate comprises a mounting plate and a friction main plate perpendicular to the mounting plate, and the friction main plate sequentially comprises a first flat plate section, a corrugated section and a second flat plate section;
the friction surfaces of the friction pressing plates, which are in contact with the friction main plate, are corrugated surfaces matched with the corrugated sections, and the corrugated surfaces have the same shape and size;
a corresponding mounting hole is formed between the two friction pressing plates, the two corresponding mounting holes are connected through a high-strength bolt, so that the friction main plate is limited between the two friction pressing plates, and an elastic part with pretightening force is arranged on the high-strength bolt;
the friction main plate is provided with a long round hole in the length direction, and the high-strength bolt penetrates through the long round hole, so that the friction main plate moves back and forth along the length direction of the long round hole.
Optionally, the two sides of the friction main plate of the corrugated section are symmetrically and uniformly provided with corrugated bulges, and the corrugated bulges correspond to the corrugated depressions of the corrugated surface of the friction pressing plate.
Optionally, the corrugations of the corrugated section are arranged along the length direction of the friction main plate.
Optionally, the length of the corrugated section of the friction main plate is not less than the length of the corrugated surface of the friction press plate.
Optionally, the two ends of the friction pressing plate are respectively provided with a mounting section, the mounting sections respectively correspond to the first flat section and the second flat section of the friction main plate, the mounting holes are formed in the mounting sections, the long round holes are correspondingly formed in the first flat section and the second flat section, and the long round holes are formed in the length direction of the friction main plate.
Optionally, the first flat plate section and the second flat plate section are respectively provided with two oblong holes parallel to each other.
Optionally, the thickness of the mounting section is smaller than the thickness of the corresponding friction pressing plate of the corrugated surface.
Optionally, the elastic member is a belleville spring.
Benefits that can be produced by the present application include, but are not limited to:
the application provides a friction damper, through set up the ripple section on the friction mainboard and set up the ripple face with ripple section adaptation on the friction clamp plate, improved frictional resistance, and increased friction area, and then improved friction damper's frictional behavior and life.
The two friction pressing plates are connected through the high-strength bolt, and the high-strength bolt penetrates through the long round hole with a certain length, so that the friction length of the friction main plate is limited.
The high-strength bolt is provided with an elastic part with pretightening force, so that self-resetting force is provided between the friction pressing plates, and the friction main plate performs friction motion in an elastic range.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a front view of a friction damper according to an embodiment of the present application;
FIG. 2 is a top view of a friction damper according to an embodiment of the present application;
FIG. 3 is a right side view of a friction damper according to an embodiment of the present application;
FIG. 4 is a front view of a T-shaped steel plate according to an embodiment of the present disclosure;
FIG. 5 is a top view of a T-shaped steel plate according to an embodiment of the present disclosure;
fig. 6 is a right side view of a T-shaped steel plate according to an embodiment of the present application.
List of parts and reference numerals:
1. the friction main plate comprises a T-shaped steel plate, 11, a mounting plate, 12, a friction main plate, 121, a first flat plate section, 122, a corrugated section, 1221, a corrugated protrusion, 123, a second flat plate section, 2, a friction pressing plate, 21, a corrugated surface, 22, a mounting section, 3, a high-strength bolt, 4, a belleville spring, 5 and a long circular hole.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Referring to fig. 1-3, the utility model provides a friction damper, including T shaped steel board 1, T shaped steel board 1 includes mounting panel 11 and friction mainboard 12, and friction mainboard 12 perpendicular to mounting panel 11, friction mainboard 12 include first flat section 121, ripple section 122 and second flat section 123, and the both sides of friction mainboard 12 are equipped with friction clamp plate 2, and friction clamp plate 2 is the corrugated surface 21 with the friction surface of friction mainboard 12 contact, and the ripple that corrugated surface 21 set up is the same with the corrugated surface shape, the size of the ripple that the corrugated surface of friction mainboard set up.
Referring to fig. 4-6, specifically, a plurality of adjacent corrugated protrusions 1221 are symmetrically arranged on both sides of the friction main plate 12 in the length direction, and the corrugated protrusions 1221 are matched with the corrugated depressions of the corrugated surface 21 of the friction pressing plate 2.
As an embodiment, the two sides of the friction pressing plate 2 are provided with the mounting sections 22, the thickness of the mounting sections 22 is smaller than the thickness of the friction pressing plate 2 corresponding to the corrugated surface 21, the corresponding mounting sections 22 are respectively provided with corresponding mounting holes, the corresponding mounting holes are connected by the high-strength bolts 3, the corresponding mounting sections 22 correspond to the first flat plate section 121 and the second flat plate section 123 of the friction main plate 12, the first flat plate section 121 and the second flat plate section 123 are provided with the oblong holes 5 through which the high-strength bolts 3 pass, the oblong holes 5 are arranged along the length direction of the friction main plate 12, so that the friction main plate 12 moves along the length direction of the oblong holes 5, and the arrow direction in fig. 1 is the length direction of the friction main plate 12.
Specifically, two oblong holes 5 parallel to each other are respectively formed in the first plate section 121 and the second plate section 123.
In order to provide a preset force between the friction pressing plates 2 and enable the friction pressing plates to have a self-resetting function, a belleville spring 4 is installed on the high-strength bolt 3.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A friction damper, comprising:
the T-shaped steel plate comprises a mounting plate and a friction main plate perpendicular to the mounting plate, and the friction main plate sequentially comprises a first flat plate section, a corrugated section and a second flat plate section;
the friction surfaces of the friction pressing plates, which are in contact with the friction main plate, are corrugated surfaces matched with the corrugated sections, and the corrugated surfaces have the same shape and size;
a corresponding mounting hole is formed between the two friction pressing plates, the two corresponding mounting holes are connected through a high-strength bolt, so that the friction main plate is limited between the two friction pressing plates, and an elastic part with pretightening force is arranged on the high-strength bolt;
the friction main plate is provided with a long round hole in the length direction, and the high-strength bolt penetrates through the long round hole, so that the friction main plate moves back and forth along the length direction of the long round hole.
2. The friction damper according to claim 1, characterized in that the corrugated section of the friction main plate is symmetrically and uniformly provided with corrugated protrusions at two sides, and the corrugated protrusions correspond to the corrugated depressions of the corrugated surface of the friction pressure plate.
3. The friction damper according to claim 2, wherein the corrugations of the corrugated section are arranged along a length direction of the friction master plate.
4. The friction damper according to claim 1, characterized in that the length of the corrugated section of the friction master plate is not less than the length of the corrugated face of the friction pressure plate.
5. The friction damper according to claim 1, wherein the two ends of the friction pressure plate are respectively provided with a mounting section, the mounting sections respectively correspond to the first plate section and the second plate section of the friction main plate, the mounting holes are formed in the mounting sections, the oblong holes are correspondingly formed in the first plate section and the second plate section, and the oblong holes are formed along the length direction of the friction main plate.
6. The friction damper according to claim 5, wherein the first plate section and the second plate section are respectively provided with two oblong holes which are parallel to each other.
7. The friction damper of claim 5, wherein the thickness of the mounting section is less than the thickness of the corresponding friction platen of the corrugated face.
8. The friction damper of claim 1, wherein said resilient member is a belleville spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395347.1U CN211646815U (en) | 2019-12-26 | 2019-12-26 | Friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395347.1U CN211646815U (en) | 2019-12-26 | 2019-12-26 | Friction damper |
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| Publication Number | Publication Date |
|---|---|
| CN211646815U true CN211646815U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922395347.1U Active CN211646815U (en) | 2019-12-26 | 2019-12-26 | Friction damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123523A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Connecting beam structure capable of recovering energy consumption and enhancing energy consumption capacity |
| CN113756465A (en) * | 2021-09-26 | 2021-12-07 | 四川大学 | Variable-rigidity friction damper |
-
2019
- 2019-12-26 CN CN201922395347.1U patent/CN211646815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123523A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Connecting beam structure capable of recovering energy consumption and enhancing energy consumption capacity |
| CN113756465A (en) * | 2021-09-26 | 2021-12-07 | 四川大学 | Variable-rigidity friction damper |
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