CN210032115U - Tensile type friction sliding support - Google Patents
Tensile type friction sliding support Download PDFInfo
- Publication number
- CN210032115U CN210032115U CN201920624492.XU CN201920624492U CN210032115U CN 210032115 U CN210032115 U CN 210032115U CN 201920624492 U CN201920624492 U CN 201920624492U CN 210032115 U CN210032115 U CN 210032115U
- Authority
- CN
- China
- Prior art keywords
- sliding block
- connecting plate
- friction
- snap ring
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to the technical field of shock absorption and shock isolation, which not only can effectively consume the energy generated by earthquake to the building structure, control the horizontal displacement between the upper and lower connecting plates, play the role of limiting, but also has the vertical tensile function and the characteristic of automatic reset after earthquake, in particular to a tensile friction sliding support, comprising a guy cable, an upper connecting plate and a lower connecting plate; the lower surface of the upper connecting plate is provided with an upper friction surface, the lower surface of the upper connecting plate is fixedly connected with a first sliding block, the upper surface of the lower connecting plate is provided with a lower friction surface, the upper surface of the lower connecting plate is fixedly connected with a second sliding block, the first sliding block is in friction contact with the lower friction surface, the second sliding block is in friction contact with the upper friction surface, the first sliding block and the second sliding block are annular magnets with strong magnetism, one end of the inhaul cable is connected with the upper connecting plate through a fixing piece, and the other end of the inhaul cable is fixedly connected with the lower.
Description
Technical Field
The utility model relates to a technical field of shock attenuation, shock insulation, concretely relates to tensile type friction support that slides.
Background
The shock insulation technology is to add a flexible shock insulation layer to a building structure, prolong the self-vibration period of the whole building structure, reduce the seismic energy input to the upper structure and reduce the seismic response of the upper structure, thereby achieving the purposes of shock absorption and shock insulation. The shock insulation technology has the characteristics of clear shock absorption concept, obvious shock absorption effect, obvious economic benefit and the like, is a hot spot of domestic and foreign research and application, is widely applied to various building structures, and obtains good shock absorption and shock insulation effects.
The friction sliding support is used as a base shock insulation mode and is mainly applied to a structure with a heavier upper structure or a smaller height-width ratio and difficult overturning damage, the support does not have tensile capacity in the vertical direction, and friction energy consumption is carried out on the friction sliding block mainly by means of axial force. Most of the space grid structures and the prefabricated assembly structures are light in self weight, and under the action of wind load and vertical earthquake, the upper connecting plate and the sliding block of the support can be separated due to tension, so that the friction sliding support fails. Also, when the aspect ratio of the building structure is large, the superstructure overturning effect is significant, causing large changes in the column axial force, resulting in the conventional friction slip bearing being insufficiently stable. Therefore, when the upper structure is light or the aspect ratio is large, the friction sliding support has tensile capacity, which is a problem to be solved urgently.
In addition, when the existing friction sliding support suffers from an earthquake or heavy impact, the horizontal displacement between the upper connecting plate and the lower connecting plate cannot be effectively buffered, and the existing friction sliding support is difficult to reset after the earthquake. Therefore, there is a need for further improvements to existing friction slip bearings.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the tensile type friction sliding support not only can effectively consume energy generated by an earthquake on a building structure, effectively controls horizontal displacement between an upper connecting plate and a lower connecting plate and plays a limiting role, but also has the characteristics of vertical tensile property and automatic resetting after the earthquake.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tensile friction sliding support comprises a stay cable, an upper connecting plate and a lower connecting plate; the lower surface of upper junction plate is provided with the friction surface, and the lower fixed surface of upper junction plate is connected with first slider, the upper surface of lower connecting plate is provided with lower friction surface, and the upper surface fixed connection of lower connecting plate has the second slider, first slider and lower friction surface frictional contact, second slider and upper friction surface frictional contact, first slider and second slider are the annular magnet that has strong magnetism, and the axis of first slider is located the center department of upper junction plate lower surface, and the axis of second slider is located the center department of lower connecting plate upper surface, cable one end is passed through the mounting and is connected with the upper junction plate, the other end and lower connecting plate fixed connection.
The first slide block is positioned inside the second slide block when viewed from the top; alternatively, the second slider is located inside the first slider.
Further, the inner diameter of the second sliding block is larger than the outer diameter of the first sliding block, the second sliding block surrounds the first sliding block, the upper friction surface is located outside the outer surface of the first sliding block, and the lower friction surface is located inside the inner surface of the second sliding block. The inner and outer surfaces of the first and second sliders are subjected to protective surface treatment. The outer side of the first sliding block is an S pole, the inner side of the first sliding block is an N pole, the outer side of the second sliding block is an N pole, the inner side of the second sliding block is an S pole, the S pole on the outer side of the first sliding block is mutually exclusive with the S pole on the inner side of the second sliding block, so that the upper connecting plate and the lower connecting plate move towards a central balance position, and a self-resetting function is achieved.
Further, the inner diameter of the first sliding block is larger than the outer diameter of the second sliding block, the first sliding block surrounds the second sliding block, the upper friction surface is located in the inner surface of the first sliding block, and the lower friction surface is located outside the outer surface of the second sliding block. The inner and outer surfaces of the first and second sliders are subjected to protective surface treatment. The outer side of the first sliding block is an S pole, the inner side of the first sliding block is an N pole, the outer side of the second sliding block is an N pole, the inner side of the second sliding block is an S pole, the N pole on the inner side of the first sliding block is mutually exclusive with the N pole on the outer side of the second sliding block, so that the upper connecting plate and the lower connecting plate move towards a central balance position, and a self-resetting function is achieved.
Further, the support still includes upper limit snap ring and lower limit snap ring, upper limit snap ring fixed connection is at the edge of upper junction plate lower surface, lower limit snap ring fixed connection is at the edge of lower junction plate upper surface, and the outside of lower limit snap ring is hugged closely to the inboard of upper limit snap ring, and the lower surface of upper limit snap ring is less than the upper surface of lower limit snap ring. So that the friction slip bearing remains stable.
Furthermore, the upper limiting snap ring is provided with a plurality of upper limiting snap rings which are evenly distributed on the edge of the lower surface of the upper connecting plate, and the lower limiting snap rings are provided with a plurality of lower limiting snap rings which are evenly distributed on the edge of the upper surface of the lower connecting plate.
Further, the upper limiting snap ring is cylindrical and surrounds the edge of the lower surface of the upper connecting plate, and the lower limiting snap ring is cylindrical and surrounds the edge of the upper surface of the lower connecting plate.
Furthermore, the inhaul cable is made of a steel wire rope. The steel wire rope has the characteristics of softness, impact resistance, good toughness, difficulty in sudden root breaking and the like, and can meet the mechanical requirements of the support.
Further, the upper friction surface and the lower friction surface are formed by friction material coatings. Depending on the desired friction coefficient, special treatment can be applied to the two friction surfaces, for example by embedding teflon plates, spreading graphite or grinding and polishing.
Further, the upper connecting plate and the lower connecting plate are stainless metal plates.
In general, compared with the prior art, the utility model has the following advantages:
1. the first sliding block and the second sliding block greatly consume earthquake energy due to the self characteristic that like magnetic poles repel, so that the friction sliding process is relatively slow, the buffering effect is achieved, and the upper connecting plate and the lower connecting plate move towards the central balance position after an earthquake, and the self-resetting function is achieved.
2. The upper junction plate is the corrosion resistant metal plate with lower connecting plate, and first slider and second slider are the ring magnet who has powerful magnetism, and the strong magnet has powerful adsorption to corrosion resistant metal plate, guarantees the stability that the friction face pressed for the friction slip support has vertical tensile ability, also has higher stability, convenient to use.
3. The utility model discloses a slide the support to current friction and improve, the support that slides does not possess the tensile ability in the current friction of effectual solution, from the not enough problem of reset ability. The method is particularly suitable for large-span, high-rise and light space grid structures, prefabricated assembly structures and structures with the possibility of tensile stress of the seismic isolation layer under the action of earthquake.
Drawings
Fig. 1 is a schematic longitudinal sectional structure of the present invention.
Fig. 2 is a schematic diagram of the transverse cross-section structure of the present invention.
Fig. 3 is a schematic view of the structure in which the support is installed on the superstructure and the foundation.
The device comprises a base, a bearing, a first sliding block, a second sliding block, an upper connecting plate, a lower connecting plate, a pull rope, an upper limiting snap ring, a lower limiting snap ring, a pull rope, an upper structure, a tensile friction sliding support and a foundation, wherein the upper connecting plate is 1, the first sliding block is 2, the lower friction surface is 3, the second sliding block is 4, the upper friction surface is 5, the lower connecting plate is 6, the pull rope is 7, the upper limiting snap ring is 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a tensile friction sliding support comprises a guy cable 7, an upper connecting plate 1 and a lower connecting plate 6; the lower surface of upper junction plate 1 is provided with upper friction surface 5, the first slider 2 of lower fixed surface of upper junction plate 1, the upper surface of lower junction plate 6 is provided with lower friction surface 3, the upper surface fixed connection of lower junction plate 6 has second slider 4, first slider 2 and 3 frictional contact of lower friction surface, second slider 4 and 5 frictional contact of upper friction surface, first slider 2 and second slider 4 are the annular magnet that has strong magnetism, the axis of first slider 2 is located the center department of 1 lower surface of upper junction plate, the axis of second slider 4 is located the center department of 6 upper surface of lower junction plate, 7 one end of cable is passed through the mounting and is connected with upper junction plate 1, the other end and 6 fixed connection of lower junction plate.
The first slide block and the second slide block are placed in two ways, wherein the first slide block 2 is positioned inside the second slide block 4 when viewed from the top; alternatively, the second slider 4 is positioned inside the first slider 2 as viewed from the top. The utility model discloses a be the first mode of placing. The first slide block 2 and the second slide block 4 are concentric rings, namely, the center of the first slide block and the center of the second slide block are in the same point in the initial earthquake-free state.
The inner diameter of the second slider 4 is larger than the outer diameter of the first slider 2, the second slider 4 surrounds the first slider 2, the upper friction surface 5 is located outside the outer surface of the first slider 2, and the lower friction surface 3 is located inside the inner surface of the second slider 4. Both the inner and outer surfaces of the first slider 2 and the second slider 4 are subjected to a protective surface treatment. The outer side of the first sliding block is an S pole, the inner side of the first sliding block is an N pole, the outer side of the second sliding block is an N pole, and the inner side of the second sliding block is an S pole.
The support still includes spacing snap ring 8 and lower spacing snap ring 9 on, and upper limit snap ring 8 fixed connection is at the edge of 1 lower surface of upper junction plate, and lower spacing snap ring 9 fixed connection is at the edge of 6 upper surfaces of lower junction plate, and the outside of spacing snap ring 9 is hugged closely down to upper limit snap ring 8's inboard, and upper limit snap ring 8's lower surface is less than the upper surface of lower spacing snap ring 9. The upper limit snap rings 8 are provided with a plurality of upper limit snap rings and are evenly distributed on the edge of the lower surface of the upper connecting plate 1, and the lower limit snap rings 9 are provided with a plurality of lower limit snap rings and are evenly distributed on the edge of the upper surface of the lower connecting plate 6.
The inhaul cable is made of a steel wire rope. The upper friction surface 5 and the lower friction surface 3 are formed by a friction material coating. The upper connecting plate 1 and the lower connecting plate 6 are stainless metal plates.
Use the utility model discloses the time, be connected upper junction plate 1 and superstructure 10, connecting plate 6 is connected with ground 12 down, when the less or wind load of earthquake acted on, because the edge of 1 lower surface of upper junction plate evenly is provided with a plurality of upper limit snap rings 8, the edge of 6 upper surfaces of lower junction plate evenly is provided with a plurality of lower limit snap rings 9, the outside of lower limit snap ring 9 is hugged closely to the inboard of upper limit snap ring 8, upper limit snap ring 8 blocks lower limit snap ring 9, make upper junction plate 1 and lower junction plate 6 can not relative movement, make the friction support that slides keep fixed and stable state.
When an earthquake is large and the horizontal pulling force borne by the upper connecting plate 1 or the lower connecting plate 6 is greater than the shearing strength of the limiting snap ring, the upper limiting snap ring 8 or the lower limiting snap ring 9 is broken, and the breaking of the limiting snap ring can consume part of earthquake energy to protect a structure main body on one hand and enable the function of the support to be changed on the other hand, the upper connecting plate 1 drives the first slide block 2 to move on the lower friction surface 3 in a friction mode, the lower connecting plate 6 drives the second slide block 4 to move on the upper friction surface 5 in a friction mode, and the earthquake energy can be consumed in the friction moving process; the outer side of the first sliding block 2 is an S pole, the inner side of the first sliding block 2 is an N pole, the outer side of the second sliding block 4 is an N pole, the inner side of the second sliding block 4 is an S pole, and the S pole on the outer side of the first sliding block 2 is mutually exclusive with the S pole on the inner side of the second sliding block 4, so that the process that the upper connecting plate 1 drives the first sliding block 2 or the lower connecting plate 6 drives the second sliding block 4 to move in a friction mode is relatively slow, and a buffering effect is achieved; because 7 one ends of the guy cable pass through the fixing piece and are connected with the upper connecting plate 1, and the other ends are fixedly connected with the lower connecting plate 6, the horizontal displacement of the upper connecting plate 1 and the lower connecting plate 6 has a limit value, and a limiting effect is achieved.
After the earthquake is finished, the outer S pole of the first sliding block 2 is repelled with the inner S pole of the second sliding block 4, so that the first sliding block 2 drives the upper connecting plate 1 or the second sliding block 4 drives the lower connecting plate 6 to move towards the central balance position, and the self-resetting function is achieved.
In the whole earthquake process, because the upper connecting plate 1 and the lower connecting plate 6 are stainless metal plates, the first slider 2 and the second slider 4 are ring magnets with strong magnetism, and the strong magnets have strong adsorption effect on the stainless metal plates, so that the upper connecting plate 1 is tightly attached to the second slider 4, and the lower connecting plate 6 is tightly attached to the first slider 2, as shown in fig. 3, when the upper structure 10 is acted by earthquake and the upper structure has a tendency of overturning rightwards, the left support is acted by upward tensile force, the right support is acted by downward pressure, for the left support, because the upper connecting plate 1 is acted by the downward magnetic force of the second slider, the upper connecting plate 1 is not separated from the support, so that enough surface pressure and stable friction energy consumption capacity on the friction surface are ensured, and the friction sliding support has tensile capacity, therefore, the friction sliding support has higher stability, is convenient for use.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The utility model provides a tensile type friction support that slides which characterized in that: comprises a guy cable, an upper connecting plate and a lower connecting plate; the upper connecting plate and the lower connecting plate are made of stainless metal plates, an upper friction surface is arranged on the lower surface of the upper connecting plate, a first sliding block is fixedly connected to the lower surface of the upper connecting plate, a lower friction surface is arranged on the upper surface of the lower connecting plate, a second sliding block is fixedly connected to the upper surface of the lower connecting plate, the first sliding block is in friction contact with the lower friction surface, the second sliding block is in friction contact with the upper friction surface, the first sliding block and the second sliding block are annular magnets with strong magnetism, the central axis of the first sliding block is located at the center of the lower surface of the upper connecting plate, the central axis of the second sliding block is located at the center of the upper surface of the lower connecting plate, one end of the inhaul cable is connected;
the first slide block is positioned inside the second slide block when viewed from the top; alternatively, the second slider is located inside the first slider.
2. A tension-resistant friction slip bearing as claimed in claim 1, wherein: the inner diameter of the second sliding block is larger than the outer diameter of the first sliding block, the second sliding block surrounds the first sliding block, the upper friction surface is positioned outside the outer surface of the first sliding block, and the lower friction surface is positioned inside the inner surface of the second sliding block.
3. A tension-resistant friction slip bearing as claimed in claim 1, wherein: the inner diameter of the first sliding block is larger than the outer diameter of the second sliding block, the first sliding block surrounds the second sliding block, the upper friction surface is located in the inner surface of the first sliding block, and the lower friction surface is located outside the outer surface of the second sliding block.
4. A tension-resistant friction slip bearing as claimed in claim 1, wherein: the support still includes spacing snap ring and lower limit snap ring, go up spacing snap ring fixed connection at the edge of upper junction plate lower surface, lower limit snap ring fixed connection is at the edge of lower junction plate upper surface, goes up the outside of spacing snap ring down hugged closely in the inboard of spacing snap ring, and the lower surface of last spacing snap ring is less than the upper surface of lower limit snap ring.
5. A tensile type friction slipping support according to claim 4, characterized in that: the upper limiting snap ring is provided with a plurality of upper limiting snap rings which are evenly distributed on the edge of the lower surface of the upper connecting plate, and the lower limiting snap rings are provided with a plurality of lower limiting snap rings which are evenly distributed on the edge of the upper surface of the lower connecting plate.
6. A tensile type friction slipping support according to claim 4, characterized in that: the upper limiting snap ring is cylindrical and surrounds the edge of the lower surface of the upper connecting plate, and the lower limiting snap ring is cylindrical and surrounds the edge of the upper surface of the lower connecting plate.
7. A tension-resistant friction slip bearing as claimed in claim 1, wherein: the inhaul cable is made of a steel wire rope.
8. A tension-resistant friction slip bearing as claimed in claim 1, wherein: the upper friction surface and the lower friction surface are formed by friction material coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624492.XU CN210032115U (en) | 2019-04-30 | 2019-04-30 | Tensile type friction sliding support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624492.XU CN210032115U (en) | 2019-04-30 | 2019-04-30 | Tensile type friction sliding support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032115U true CN210032115U (en) | 2020-02-07 |
Family
ID=69363214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920624492.XU Active CN210032115U (en) | 2019-04-30 | 2019-04-30 | Tensile type friction sliding support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210032115U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645585A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Self-resetting damper based on permanent magnet repulsion and eddy current effect |
| CN114645580A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Self-reset variable-rigidity friction damping device based on permanent magnet repulsion force |
| CN114658127A (en) * | 2022-04-16 | 2022-06-24 | 北京工业大学 | Self-resetting damper based on permanent magnet repulsion force and U-shaped metal plate |
-
2019
- 2019-04-30 CN CN201920624492.XU patent/CN210032115U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645585A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Self-resetting damper based on permanent magnet repulsion and eddy current effect |
| CN114645580A (en) * | 2022-04-16 | 2022-06-21 | 北京工业大学 | Self-reset variable-rigidity friction damping device based on permanent magnet repulsion force |
| CN114658127A (en) * | 2022-04-16 | 2022-06-24 | 北京工业大学 | Self-resetting damper based on permanent magnet repulsion force and U-shaped metal plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210032115U (en) | Tensile type friction sliding support | |
| WO2019029197A1 (en) | Eddy-current friction-pendulum seismic reduction and isolation support | |
| CN108867349B (en) | Friction pendulum type seismic mitigation and isolation support with multiple layers of shear pins | |
| CN104929246A (en) | Electromagnetic damping composite sliding plate support | |
| CN107084218B (en) | A kind of adaptive controllable electromagnetic damper | |
| CN102337761A (en) | Ball/disc spring vibration-isolating device | |
| JP2009162376A (en) | Seismic isolation ball-support device and spherical laminated rubber base isolation ball for lightweight structure | |
| CN107090769A (en) | Bridge pad | |
| CN105421608A (en) | Self-resetting energy consumption inhaul cable support | |
| KR20140056798A (en) | Friction pendulum bearing with cover plate and fixing jig | |
| CN113463784A (en) | Vertical shock isolation device | |
| CN107816134B (en) | Permanent magnet magnetic suspension shock insulation support based on rod-type damper | |
| CN116181141A (en) | Triple friction pendulum shock absorption and insulation support improved by SMA inhaul cable | |
| CN215564857U (en) | Three-dimensional friction pendulum isolation bearing | |
| CN108756948B (en) | Self-bearing supporting structure for large-span tunnel prestress anchor net supporting rock shell | |
| CN102020165A (en) | Improved lifting device with linked cars | |
| CN104196144B (en) | A kind of separate type slip tensile device of shock isolating pedestal | |
| CN215441419U (en) | Multistage spacing cable shock mount | |
| CN202099875U (en) | Shape memory alloy self-resetting multidimensional shock insulation support | |
| CN205348407U (en) | Steel construction support can slide in plane | |
| CN216740902U (en) | Anti-pulling type friction pendulum support | |
| CN209276981U (en) | A kind of compressed spring shock mount | |
| CN207499161U (en) | A kind of permanent magnet magnetic suspension shock isolating pedestal based on rod-type damper | |
| CN110056241B (en) | Three-dimensional lever type damper | |
| CN219951676U (en) | Bridge composite support suitable for strong earthquake area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |