CN209874633U - Damping device for multi-cylinder steel inner cylinder chimney - Google Patents
Damping device for multi-cylinder steel inner cylinder chimney Download PDFInfo
- Publication number
- CN209874633U CN209874633U CN201920347774.XU CN201920347774U CN209874633U CN 209874633 U CN209874633 U CN 209874633U CN 201920347774 U CN201920347774 U CN 201920347774U CN 209874633 U CN209874633 U CN 209874633U
- Authority
- CN
- China
- Prior art keywords
- steel
- convex
- plate
- web
- viscoelastic material
- 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
Abstract
The utility model relates to a damping device for many cylinders steel inner tube chimney belongs to the structure shock attenuation field among the civil engineering. The method comprises the following steps: the device comprises a steel inner barrel base plate, a side surface viscoelastic material, a bottom side viscoelastic material, a convex I-shaped steel, a groove, a shake-stopping platform connecting plate and a concave double-web section steel; one end of the convex I-shaped steel is connected with the steel inner cylinder base plate, and one end of the concave double-web section steel is connected with the anti-sway platform connecting plate; a groove is formed in the other end of the concave double-web section steel, a protrusion is arranged at the other end of the convex I-steel, and the protrusion on the convex I-steel is inserted into the groove of the concave double-web section steel; two sides and the bottom of the web plate of the convex I-shaped steel are respectively provided with a side viscoelastic material and a bottom side viscoelastic material. The utility model discloses can keep its rigidity unchangeable under the static load effect, can effectively reduce the earthquake response of response and chimney self between chimney inner tube and the urceolus under the earthquake effect.
Description
Technical Field
The utility model relates to a damping device, especially a damping device for multi-cylinder steel inner tube chimney belongs to the structure shock attenuation field among the civil engineering.
Background
The viscous damper is widely applied to civil engineering, belongs to a speed-dependent damper, and adopts different specific forms and details. The principle is as follows: the damper is made of viscous or viscoelastic materials, and under the action of an earthquake, the characteristics of the viscous or viscoelastic materials are utilized to dissipate earthquake energy, and the earthquake energy dissipated by the damper is related to the deformation speed of the damper.
The multi-pipe steel inner cylinder chimney belongs to a multi-pipe chimney which is a power plant chimney commonly used internationally at present and comprises a reinforced concrete outer cylinder, a steel inner cylinder, a steel structure platform, accessory facilities and the like. The actual chimney detection shows that the phenomena of tearing of welding seams and warping of I-shaped steel exist at the connecting positions of shaking points of platforms in the inner portions of 40m, 75m, 110m, 150m and 190 m. Through analysis, the defect generation reason is that rigid connection is adopted for connection between the shaking stopping platform and the steel inner cylinder, and under the transverse action (earthquake or wind vibration), the steel inner cylinder and the concrete outer cylinder cannot work cooperatively, so that the phenomenon of tearing of a welding seam is caused.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned many cylinders chimney actual defect problem now, the utility model provides a damping device for many cylinders steel inner tube chimney, it adopts the novel viscous damper of a section to replace original just shaking the point, makes it can keep its rigidity unchangeable under the static load effect, can effectively reduce the earthquake response of response and chimney self between chimney inner tube and the urceolus under the earthquake action, slows down the loss of shaking, has compensatied many cylinders chimney not enough in the shock attenuation field.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
a damping device for a multi-barrel steel inner barrel chimney comprising: the device comprises a steel inner barrel base plate, a side surface viscoelastic material, a bottom side viscoelastic material, a convex I-shaped steel, a groove, a shake-stopping platform connecting plate and a concave double-web section steel; one end of the convex I-shaped steel is connected with the steel inner cylinder base plate, and the steel inner cylinder base plate is connected with the steel inner cylinder of the chimney; one end of the concave double-web section steel is connected with a shake-stopping platform connecting plate, and the shake-stopping platform connecting plate is connected with a shake-stopping platform in the chimney; a groove is formed in the other end of the concave double-web section steel, a protrusion is arranged at the other end of the convex I-beam, and the protrusion on the convex I-beam is inserted into the groove of the concave double-web section steel; and two sides and the bottom of the web plate of the convex I-beam are respectively provided with a side viscoelastic material and a bottom side viscoelastic material, and the side viscoelastic materials are extruded and arranged between the protrusion and the groove of the convex I-beam.
Furthermore, the damping device also comprises an upper rib plate assembly and a lower rib plate assembly, wherein the upper rib plate assembly and the lower rib plate assembly are respectively arranged on the upper side and the lower side of the convex I-shaped steel; and the two ends of the upper rib plate component and the lower rib plate component are respectively connected with the steel inner cylinder base plate and the convex I-shaped steel.
Further, the convex I-shaped steel is welded with the steel inner cylinder base plate; the steel inner cylinder base plate is connected in the steel inner cylinder of the chimney through a first bolt.
Furthermore, the concave double-web section steel is welded with the shaking stopping platform connecting plate, and the shaking stopping platform connecting plate is fixedly connected to the shaking stopping platform through a second bolt.
Furthermore, the bulge consists of an upper flange bulge and a web plate bulge of the convex I-shaped steel, and the cross section of the bulge is T-shaped; the groove of the concave double-web section steel is formed by a gap of an upper flange of the concave double-web section steel and a space formed between the double webs; the side viscoelastic material is extruded and arranged between the web plate bulge of the convex I-shaped steel and the web plate of the concave double-web section steel; the bottom side viscoelastic material is arranged between the bottom surface of the web plate bulge of the convex I-shaped steel and the lower wing plate of the concave double-web plate section steel; the side viscoelastic material and the bottom viscoelastic material are arranged in a mode that the damping device can slide in the axial direction and generate damping.
Further, the shape and the size of the side viscoelastic material are the same as or different from those of the side surface of the web projection of the convex I-shaped steel; the shape and the size of the bottom viscoelastic material are the same as or different from those of the bottom surface of the web plate bulge of the convex I-shaped steel.
Furthermore, the surface of each steel structural member of the damping device is coated with an anti-corrosion coating.
Compared with the prior art, the utility model discloses following technological effect has:
the utility model discloses fully having considered current many cylinders chimney and having just rocked the effect characteristics of point, having compensatied original just rocked under the not enough prerequisite of point, can effectively reduce the response between chimney inner tube and the urceolus and the whole self seismic response of chimney under the horizontal effect, slow down the loss of shaking, simple structure, the installation is dismantled conveniently, is applicable to many cylinders chimney.
Drawings
FIG. 1 is a schematic diagram of the multi-tube steel inner tube chimney with the shock absorbing device inserted and combined;
FIG. 2 is a first schematic diagram of the damping device for a multi-cylinder steel inner cylinder chimney according to the present invention before being inserted and assembled;
fig. 3 is a schematic diagram of the damping device for the multi-cylinder steel inner cylinder chimney before being inserted into the combination.
FIG. 4 is a cross-sectional view of a male I-beam;
FIG. 5 is a cross-sectional view of a concave double-web section steel.
Detailed Description
The following describes the present invention in further detail with reference to fig. 1-5.
Example 1
As shown in fig. 1-5, a damper for a multi-barrel steel inner barrel chimney comprises: the device comprises a steel inner cylinder base plate 1, a side surface viscoelastic material 4, a bottom side viscoelastic material 5, a convex I-shaped steel 6, a groove 8, a shake-stopping platform connecting plate 10 and a concave double-web section steel 11. The convex I-shaped steel 6 is welded with the steel inner cylinder base plate 1. The steel inner cylinder liner plate 1 is connected in the steel inner cylinder of the chimney through a first bolt 2. One end of the concave double-web section steel 11 is welded with a shaking-stopping platform connecting plate 10, and the shaking-stopping platform connecting plate 10 is connected with a shaking-stopping platform in the chimney through a second bolt 9. The damping device further comprises an upper rib plate component 3 and a lower rib plate component 7, wherein the upper rib plate component 3 and the lower rib plate component 7 are respectively arranged on the upper side and the lower side of the convex I-shaped steel 6. The two ends of the upper rib plate component 3 and the lower rib plate component 7 are respectively connected with the steel inner cylinder base plate 1 and the convex I-shaped steel 6. The other end of the concave double-web section steel 11 is provided with a groove 8, and the groove 8 of the concave double-web section steel 11 is formed by a gap of an upper flange of the concave double-web section steel 11 and a space formed between double webs. The other end of the convex I-steel 6 is provided with a bulge 61, the bulge 61 is composed of an upper flange bulge and a web bulge of the convex I-steel 6, and the cross section of the bulge is T-shaped. The projection 61 on the convex I-shaped steel 6 is inserted into the groove 8 of the concave double-web section steel 11. Two sides and the bottom of a web plate of the convex I-shaped steel 6 are respectively provided with a side viscoelastic material 4 and a bottom side viscoelastic material 5, and the side viscoelastic material 4 is arranged between a protrusion 61 and a groove 8 of the convex I-shaped steel 6 in an extruding mode. In this embodiment, the side viscoelastic material 4 is extruded and arranged between the web projection of the convex i-beam 6 and the web of the concave double-web section steel 11. The bottom viscoelastic material 5 is arranged between the bottom surface of the web plate bulge of the convex I-shaped steel 6 and the lower wing plate of the concave double-web section steel 11. The shape and size of the side viscoelastic material 4 are designed to be the same as the shape and size of the convex side of the web of the convex I-steel 6. The shape and size of the bottom viscoelastic material 5 are designed to be the same as the shape and size of the bottom surface of the web projection of the convex I-shaped steel 6. The side viscoelastic material 4 and the bottom viscoelastic material 5 are arranged in a manner that the damping device can slide in the axial direction and generate damping. Because the inner cylinder of the chimney has certain humidity and temperature, in order to ensure the durability of the device, the surface of the steel structural component of the device is recommended to be coated with anti-corrosion paint.
The damping device does not play a role of a damper under the static load action, and the concave double-web section steel 11 can support the convex I-shaped steel 6, and the convex 61 and the groove 8 are inserted into the combined steel beam with certain rigidity. Under the action of transverse action, such as earthquake or wind vibration, the damping device plays a role of a damper, generates damping force in the axial direction and reduces the response between the steel inner cylinder of the chimney and the reinforced concrete outer cylinder.
Through calculation, if the device is arranged at different heights of the structure, the overall response of the multi-tube chimney can be effectively reduced, and the damping effect of the device arranged on the highest-layer shaking-stopping platform is optimal.
The above-mentioned embodiments are only given for the purpose of more clearly illustrating the technical solutions of the present invention, and are not intended to limit the present invention, and the modifications of the technical solutions of the present invention by those skilled in the art based on the common general knowledge in the field are also within the scope of the present invention.
Claims (7)
1. A damping device for a multi-barrel steel inner barrel chimney, comprising: the device comprises a steel inner barrel base plate (1), a side surface viscoelastic material (4), a bottom side viscoelastic material (5), a convex I-shaped steel (6), a groove (8), a shake-stopping platform connecting plate (10) and a concave double-web section steel (11); one end of the convex I-shaped steel (6) is connected with the steel inner cylinder base plate (1), and the steel inner cylinder base plate (1) is connected with the steel inner cylinder of the chimney; one end of the concave double-web section steel (11) is connected with a shake-stopping platform connecting plate (10), and the shake-stopping platform connecting plate (10) is connected with a shake-stopping platform in the chimney; a groove (8) is formed in the other end of the concave double-web section steel (11), a protrusion (61) is formed in the other end of the convex I-beam (6), and the protrusion (61) on the convex I-beam (6) is inserted into the groove (8) of the concave double-web section steel (11); two sides and the bottom of a web plate of the convex I-shaped steel (6) are respectively provided with a side viscoelastic material (4) and a bottom side viscoelastic material (5), and the side viscoelastic material (4) is arranged between a protrusion (61) and a groove (8) of the convex I-shaped steel (6) in an extruding mode.
2. The damping device for a multi-barrel steel inner barrel chimney according to claim 1, wherein: the damping device further comprises an upper rib plate assembly (3) and a lower rib plate assembly (7), wherein the upper rib plate assembly (3) and the lower rib plate assembly (7) are respectively arranged on the upper side and the lower side of the convex I-shaped steel (6); the two ends of the upper rib plate component (3) and the two ends of the lower rib plate component (7) are respectively connected with the steel inner cylinder base plate (1) and the convex I-shaped steel (6).
3. The damping device for a multi-barrel steel inner barrel chimney according to claim 1, wherein: the convex I-shaped steel (6) is welded with the steel inner cylinder base plate (1); the steel inner cylinder base plate (1) is connected in the steel inner cylinder of the chimney through a first bolt (2).
4. The damping device for a multi-barrel steel inner barrel chimney according to claim 1, wherein: the concave double-web section steel (11) is welded with the shaking-stopping platform connecting plate (10), and the shaking-stopping platform connecting plate (10) is fixedly connected to the shaking-stopping platform through a second bolt (9).
5. The damper for a multi-barrel steel inner barrel chimney according to any one of claims 1 to 4, wherein: the bulge (61) is formed by an upper flange bulge and a web plate bulge of the convex I-shaped steel (6), and the cross section of the bulge is T-shaped; the groove (8) of the concave double-web section steel (11) is formed by a gap of an upper flange of the concave double-web section steel (11) and a space formed between double webs; the side viscoelastic material (4) is extruded and arranged between a web plate bulge of the convex I-shaped steel (6) and a web plate of the concave double-web-plate section steel (11); the bottom side viscoelastic material (5) is arranged between the bottom surface of the web plate protrusion of the convex I-shaped steel (6) and the lower wing plate of the concave double-web section steel (11).
6. The damping device for a multi-barrel steel inner barrel chimney according to claim 1, wherein: the shape and the size of the side viscoelastic material (4) are the same as or different from those of the convex side of the web plate of the convex I-shaped steel (6); the shape and the size of the bottom viscoelastic material (5) are the same as or different from those of the bottom surface of the web plate bulge of the convex I-shaped steel (6).
7. The damping device for a multi-barrel steel inner barrel chimney according to claim 1, wherein: and the surface of each steel structural member of the damping device is coated with an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347774.XU CN209874633U (en) | 2019-03-19 | 2019-03-19 | Damping device for multi-cylinder steel inner cylinder chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920347774.XU CN209874633U (en) | 2019-03-19 | 2019-03-19 | Damping device for multi-cylinder steel inner cylinder chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874633U true CN209874633U (en) | 2019-12-31 |
Family
ID=68955670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920347774.XU Active CN209874633U (en) | 2019-03-19 | 2019-03-19 | Damping device for multi-cylinder steel inner cylinder chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881967A (en) * | 2019-03-19 | 2019-06-14 | 中冶建筑研究总院有限公司 | A kind of damping device for multi-cartridge Steel Inner Core of Chimney |
| CN112879476A (en) * | 2021-01-04 | 2021-06-01 | 山东电力工程咨询院有限公司 | Chimney hangs passive frequency modulation damping vibration attenuation and ends and shake device of inner tube and chimney |
-
2019
- 2019-03-19 CN CN201920347774.XU patent/CN209874633U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881967A (en) * | 2019-03-19 | 2019-06-14 | 中冶建筑研究总院有限公司 | A kind of damping device for multi-cartridge Steel Inner Core of Chimney |
| CN109881967B (en) * | 2019-03-19 | 2024-02-09 | 中冶建筑研究总院有限公司 | Damping device for multi-cylinder steel inner cylinder chimney |
| CN112879476A (en) * | 2021-01-04 | 2021-06-01 | 山东电力工程咨询院有限公司 | Chimney hangs passive frequency modulation damping vibration attenuation and ends and shake device of inner tube and chimney |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209874633U (en) | Damping device for multi-cylinder steel inner cylinder chimney | |
| CN106759893B (en) | Assembled steel structure | |
| CN107386481B (en) | Transformer substation's structural rigidity reinforcing means | |
| CN113106999B (en) | Offshore wind power jacket structure with additional viscous damper | |
| US20220381310A1 (en) | Wave-shaped steel plate energy dissipation damper, and processing method and mounting method thereof | |
| CN111981082B (en) | Damper vibration reduction system for inhibiting vertical vibration of bridge girder | |
| KR20010073062A (en) | Viscosity system damping wall mounting structure and mounting method | |
| CN210421987U (en) | Energy dissipation and shock absorption device suitable for ancient building timber structure tenon fourth of twelve earthly branches node | |
| CN109881967B (en) | Damping device for multi-cylinder steel inner cylinder chimney | |
| CN207905107U (en) | A kind of steel damper and assembling-type metal energy-dissipation beam column node | |
| CN111042318B (en) | Single-layer aluminum alloy latticed shell box type modular assembly joint and construction process thereof | |
| CN205077643U (en) | Novel power consumption of no bucking is supported | |
| CN108755966B (en) | Assembled super high-rise core tube suspension structure system | |
| JPH03199581A (en) | Vibration suppressing device for building | |
| CN208563657U (en) | A kind of assembling type steel pipe concrete diagonal brace steel plate shear force wall | |
| JP5192655B2 (en) | Building with vibration control device | |
| CN210482631U (en) | All-steel multi-section connection ultra-long buckling-restrained brace with internal connection constraint | |
| CN114457931A (en) | Novel self-resetting anti-seismic steel truss girder | |
| CN113931337A (en) | Corrugated steel plate energy absorber | |
| CN209989690U (en) | Large-span bridge composite type multi-direction wind-resistant anti-seismic shock absorber | |
| CN106351236B (en) | The Flexible Node and two-way steel support structure of a kind of two-way steel support structure | |
| CN109252728B (en) | Flexible connection method for infilled wall and frame structure | |
| CN111779154A (en) | Buckling-shearing type metal damper applied to shock insulation layer | |
| KR100985181B1 (en) | Gider using FRP unit | |
| JP2008280751A (en) | Damping structure and metal structural member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |