CN106703494B - Displacement limiter for damper - Google Patents
Displacement limiter for damper Download PDFInfo
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- CN106703494B CN106703494B CN201710037999.0A CN201710037999A CN106703494B CN 106703494 B CN106703494 B CN 106703494B CN 201710037999 A CN201710037999 A CN 201710037999A CN 106703494 B CN106703494 B CN 106703494B
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- flange
- connecting flange
- damper
- guide rod
- limiting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a displacement limiter for a damper, and relates to an energy-consuming and shock-absorbing device for a building structure. The invention can provide limiting force for the damper or the shock insulation support to prevent excessive displacement of the structure, has simple structure, can be suitable for various types of dampers or shock insulation supports, and has wide application range.
Description
Technical Field
The invention relates to an energy dissipation and shock absorption device for a building structure, in particular to a displacement limiter for a damper.
Background
The engineering structure vibration control technology breaks through the traditional passive resistance type design method, and the dynamic characteristic of the structure is adjusted by mounting the vibration reduction and isolation device on the structure or the external force is applied to the structure by external energy to resist the external load action, so that the structural damage is reduced and the disaster resistance of the structure is improved.
The engineering structure vibration control comprises various passive control, active control, semi-active control, hybrid control and intelligent control which is paid attention in recent years. The examples of the application of the vibration control technology to the engineering structures at home and abroad show remarkable vibration reduction effect, social benefit and economic benefit. The research on passive control technologies such as vibration isolation and energy-consuming vibration reduction (including viscous dampers, metal dampers and the like) is relatively mature and enters the practical application stage.
However, under an unexpected load action, such as a violent earthquake, a heavy wind load, etc., the stroke of the damper may exceed a design value, thereby causing damage to the damper, failure of vibration damping, and structural damage, and therefore, the damper may be deformed beyond its limit displacement amount in such a case, and thus damaged.
Disclosure of Invention
In order to solve the technical problems, the invention provides a displacement limiter for a damper, which can provide limiting force for the damper or a vibration isolation support so as to prevent excessive displacement of the structure, has a simple structure, can be suitable for various types of dampers or vibration isolation supports, and has a wide application range.
The invention adopts the following technical scheme:
a displacement limiter for a damper comprises a first connecting flange, a second connecting flange and a limiting flange, wherein the first connecting flange and the second connecting flange are respectively connected with a wall body and the damper, the limiting flange is used for limiting, the first connecting flange and the limiting flange are respectively arranged on two sides of the second connecting flange, the first connecting flange and the limiting flange are connected through a guide rod, the guide rod is arranged on the second connecting flange in a sliding mode, when a tensile load is borne, the guide rod slides in the second connecting flange, and when the guide rod moves to a limiting position, the limiting flange is abutted against the second connecting flange, so that tensile displacement is limited; when bearing pressure, the first connecting flange is abutted against the second connecting flange, so that the compression displacement is limited; the invention provides a limiting force for the damper to prevent the damper from deforming beyond the limiting displacement.
Preferably, a restraining sleeve is arranged between the first connecting flange and the second connecting flange, the restraining sleeve comprises a first restraining sleeve and a second restraining sleeve which are fixedly arranged on the first connecting flange and the second connecting flange respectively, the guide rod is arranged in the restraining sleeve in a sliding mode, the stroke size of the guide rod is increased, and the first restraining sleeve and the second restraining sleeve are abutted when bearing pressure, so that compression displacement is limited; the guide rod can also play a role in preventing the constraint sleeve from buckling.
Preferably, a sliding mechanism is arranged between the guide rod and the constraint sleeve, so that the guide rod can slide in the constraint sleeve conveniently.
Preferably, the slip mechanism is made of polytetrafluoroethylene or nylon.
Preferably, an elastic element is further arranged between the limiting flange and the second connecting flange, so that a damping force is provided for the damper, and a larger limiting force is provided for the damper.
Preferably, the elastic element is a truncated cone spring, one end of the truncated cone spring with a small diameter is fixedly connected with the limiting flange, and the other end of the truncated cone spring with a large diameter is fixedly connected with the second connecting flange.
Preferably, the second connecting flange is further provided with a connecting device, the connecting device comprises a connecting piece and an ear ring, a cavity is arranged in the connecting piece, the limiting flange is arranged in the cavity of the connecting piece, one end of the connecting piece is fixedly arranged on the second connecting flange, the other end of the connecting piece is fixedly connected with the ear ring, and the ear ring is convenient to install.
Preferably, the connecting piece is of a cylindrical structure, the connecting piece and the guide rod are coaxially arranged, the ear ring is arranged on the connecting piece along the axial direction of the guide rod, and the connecting piece of the cylindrical structure can provide an outer protection for the elastic element and the guide rod.
Preferably, the first connecting flange is also provided with a connecting ear ring along the axial direction of the guide rod, the ear ring hole of the connecting ear ring and the ear ring hole of the ear ring are positioned on the same plane, the two ends of the displacement lock are provided with the ear rings, and the displacement lock can move in any direction in the plane after being installed, so that the stress range of the displacement lock is enlarged, and the application range of the displacement lock is enlarged.
Compared with the prior art, the invention has the advantages that:
(1) the invention provides a limiting force for the damper to prevent the damper from generating deformation exceeding the limiting displacement;
(2) the two ends of the invention are provided with the ear rings, and the invention can move in any direction in a plane after being installed, thereby enlarging the stress range of the invention and expanding the application range of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic internal structure diagram of a second embodiment of the present invention.
Labeled as: 1. a first connecting flange; 2. a second connecting flange; 3. a limiting flange; 4. a guide bar; 5. a constraining sleeve; 51. a first constraining sleeve; 52. a second constraining sleeve; 6. a slippage mechanism; 7. an elastic element; 8. a connecting device; 81. a connecting member; 82. an ear ring; 83. a cavity; 9. an earring is connected.
Detailed Description
The following describes preferred embodiments of the present invention with reference to the drawings.
Example 1
As shown in fig. 1 and 2, the displacement limiter for the damper of the present invention includes a first connecting flange 1 and a second connecting flange 2 respectively connected to a wall and the damper, and a limiting flange 3 for limiting, wherein the first connecting flange 1 and the limiting flange 3 are respectively disposed on two sides of the second connecting flange 2, the first connecting flange 1 and the limiting flange 3 are connected by a guide rod 4, and the guide rod 4 is slidably disposed on the second connecting flange 2.
A constraint sleeve 5 is arranged between the first connecting flange 1 and the second connecting flange 2, the constraint sleeve 5 comprises a first constraint sleeve 51 and a second constraint sleeve 52 which are fixedly arranged on the first connecting flange 1 and the second connecting flange 2 respectively, and the guide rod 4 is arranged in the constraint sleeve 5 in a sliding mode.
A sliding mechanism 6 is arranged between the guide rod 4 and the constraint sleeve 5, and the sliding mechanism 6 is made of polytetrafluoroethylene or nylon.
An elastic element 7 is further arranged between the limiting flange 3 and the second connecting flange 2, the elastic element 7 is a truncated cone spring, one end of the truncated cone spring, which is small in diameter, is fixedly connected with the limiting flange 3, and the other end of the truncated cone spring, which is large in diameter, is fixedly connected with the second connecting flange 2.
When the device is used, the first connecting flange and the second connecting flange are respectively connected with a wall body and a damper, when the device bears tensile load, the guide rod slides in the constraint sleeve, and when the guide rod moves to a limiting position, the limiting flange is abutted against the second connecting flange, so that tensile displacement is limited; the first constraint sleeve is abutted against the second constraint sleeve during pressure bearing, so that the compression displacement is limited; and a limiting force is provided for the damper or the vibration isolating support so as to prevent the damper or the vibration isolating support from deforming beyond the limit displacement of the damper or the vibration isolating support.
Example 2
As shown in fig. 3 and 4, the second connecting flange 2 is further provided with a connecting device 8, the connecting device 8 includes a connecting member 81 and an ear ring 82, a cavity 83 is provided in the connecting member 81, the limiting flange 3 is disposed in the cavity 83 of the connecting member 81, one end of the connecting member 81 is fixedly disposed on the second connecting flange 2, and the other end of the connecting member 81 is fixedly connected to the ear ring 82.
The connecting member 81 has a cylindrical structure, the connecting member 81 is disposed coaxially with the guide rod 4, and the ear ring 82 is disposed on the connecting member 81 along the axial direction of the guide rod 4.
A connecting ear ring 9 is arranged on the first connecting flange 1 along the axial direction of the guide rod 4, and an ear ring hole of the connecting ear ring 9 and an ear ring hole of the ear ring 82 are positioned on the same plane.
When the shock-absorbing device is used, the earrings and the connecting earrings are respectively connected with the wall body and the damper, the shock-absorbing device can move in any direction in a plane while providing limiting force for the damper or the shock-absorbing support, the stress range of the shock-absorbing device is enlarged, and the application range of the shock-absorbing device is enlarged.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A displacement limiter for a damper is characterized by comprising a first connecting flange, a second connecting flange and a limiting flange, wherein the first connecting flange and the second connecting flange are respectively connected with a wall body and the damper, the limiting flange is used for limiting, the first connecting flange and the limiting flange are respectively arranged on two sides of the second connecting flange, the first connecting flange is connected with the limiting flange through a guide rod, and the guide rod is arranged on the second connecting flange in a sliding manner; a constraint sleeve is arranged between the first connecting flange and the second connecting flange, the constraint sleeve comprises a first constraint sleeve and a second constraint sleeve which are fixedly arranged on the first connecting flange and the second connecting flange respectively, the first connecting flange is abutted against the second connecting flange when bearing pressure, and the guide rod is arranged in the constraint sleeve in a sliding manner; and a sliding mechanism is arranged between the guide rod and the constraint sleeve.
2. The displacement limiter of claim 1, wherein the sliding mechanism is made of teflon or nylon.
3. The displacement limiter for damper as claimed in claim 1, wherein an elastic member is further disposed between the limiting flange and the second connecting flange.
4. The displacement limiter for damper as claimed in claim 3, wherein the elastic element is a truncated cone spring, one end of the truncated cone spring with a smaller diameter is fixedly connected with the limiting flange, and the other end of the truncated cone spring with a larger diameter is fixedly connected with the second connecting flange.
5. The displacement limiter for damper as claimed in claim 1 or 4, wherein the second connecting flange further has a connecting device, the connecting device includes a connecting member and an ear ring, the connecting member has a cavity therein, the limiting flange is disposed in the cavity of the connecting member, one end of the connecting member is fixedly disposed on the second connecting flange, and the other end of the connecting member is fixedly connected to the ear ring.
6. The displacement limiter of claim 5, wherein the connecting member is a cylindrical structure, the connecting member is disposed coaxially with the guide rod, and the ear ring is disposed on the connecting member along the axial direction of the guide rod.
7. The displacement limiter for damper as claimed in claim 6, wherein the first connecting flange is further provided with a connecting ear ring along the axial direction of the guide rod, and the ear ring hole of the connecting ear ring and the ear ring hole of the ear ring are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037999.0A CN106703494B (en) | 2017-01-18 | 2017-01-18 | Displacement limiter for damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037999.0A CN106703494B (en) | 2017-01-18 | 2017-01-18 | Displacement limiter for damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106703494A CN106703494A (en) | 2017-05-24 |
| CN106703494B true CN106703494B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710037999.0A Active CN106703494B (en) | 2017-01-18 | 2017-01-18 | Displacement limiter for damper |
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| CN (1) | CN106703494B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330103A (en) * | 1979-02-16 | 1982-05-18 | Delle-Alsthom | Earthquake protector |
| CN201396393Y (en) * | 2009-03-19 | 2010-02-03 | 尹学军 | Spring damping vibration isolator |
| CN101942868A (en) * | 2010-09-28 | 2011-01-12 | 株洲时代新材料科技股份有限公司 | Viscous damping limiting method with limiting device and viscous damper |
| CN202251623U (en) * | 2011-09-16 | 2012-05-30 | 李华 | Hydraulic buffer for removing noise source |
| CN205153136U (en) * | 2015-11-11 | 2016-04-13 | 西安达盛隔震技术有限公司 | Vertical shock insulation support |
| CN205298371U (en) * | 2015-12-31 | 2016-06-08 | 天津嘉诚信科技有限公司 | Damping spring shock absorber |
| CN206397239U (en) * | 2017-01-18 | 2017-08-11 | 南京大德减震科技有限公司 | A kind of damper displacement qualifier |
-
2017
- 2017-01-18 CN CN201710037999.0A patent/CN106703494B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4330103A (en) * | 1979-02-16 | 1982-05-18 | Delle-Alsthom | Earthquake protector |
| CN201396393Y (en) * | 2009-03-19 | 2010-02-03 | 尹学军 | Spring damping vibration isolator |
| CN101942868A (en) * | 2010-09-28 | 2011-01-12 | 株洲时代新材料科技股份有限公司 | Viscous damping limiting method with limiting device and viscous damper |
| CN202251623U (en) * | 2011-09-16 | 2012-05-30 | 李华 | Hydraulic buffer for removing noise source |
| CN205153136U (en) * | 2015-11-11 | 2016-04-13 | 西安达盛隔震技术有限公司 | Vertical shock insulation support |
| CN205298371U (en) * | 2015-12-31 | 2016-06-08 | 天津嘉诚信科技有限公司 | Damping spring shock absorber |
| CN206397239U (en) * | 2017-01-18 | 2017-08-11 | 南京大德减震科技有限公司 | A kind of damper displacement qualifier |
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| Publication number | Publication date |
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| CN106703494A (en) | 2017-05-24 |
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