CN204385944U - A kind of damping device of civil engineering structure - Google Patents
A kind of damping device of civil engineering structure Download PDFInfo
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- CN204385944U CN204385944U CN201520003553.2U CN201520003553U CN204385944U CN 204385944 U CN204385944 U CN 204385944U CN 201520003553 U CN201520003553 U CN 201520003553U CN 204385944 U CN204385944 U CN 204385944U
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- piston
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- damping device
- civil engineering
- valve
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Abstract
A kind of damping device of civil engineering structure, comprise hydraulic cylinder, the first chamber, the second chamber, dividing wall, passage, first piston, the second piston, valve and connecting rod, one end of described hydraulic cylinder is connected with the first structural member, the other end is connected with the second structural member, and hydraulic cylinder inside is provided with the first chamber and the second chamber; The left end of described first chamber is provided with first piston, and the right-hand member of the second chamber is provided with the second piston, and wherein first piston is connected by connecting rod with the second piston; Be provided with dividing wall between described first chamber and the second chamber, this dividing wall top is provided with passage, and this channel interior is provided with valve; The damping device of this civil engineering structure, the ability of dissipation energy is strong, structure is simple, volume is little, stability is high, applied widely, the life-span is long, is worth promoting.
Description
Technical field
The utility model relates to field of civil engineering, especially a kind of damping device of civil engineering structure.
Background technology
Earthquake is one of natural calamity of facing of human needs.Due to its randomness and sudden, earthquake is difficult to Accurate Prediction, often causes the property consequence of disaster.Traditional structure Seismic Design Method be rely on increase the intensity of structure self, deformability carrys out antidetonation, now, allows that very large seismic energy passes to structure from ground.And the problem that seismic design is mainly considered is how for structure provides the ability of resisting this geological process.Although by suitably selecting the position of plastic hinge and the detail structure of careful designed component can guarantee the globality of structure and the generation preventing from collapsing, the damage of structural element is inevitable.Shock-absorbing control method is then adopt the methods such as shock insulation, power consumption, applying external force, adjust structure dynamic characteristics to carry out relief features earthquake response, thus guarantee the safety of structure itself, compared with traditional structure Seismic Design Method, have safe and reliable, more effectively, economically to save and advantage applied widely, be that civil engineering is prevented and reduced natural disasters active and effective Method and Technology.Within 1972, Chinese descendant in America scholar Yao Zhi reef knot closes modern control theory, and propose the concept of smart control for civil engineering structures, its investigation and application has the history of more than 30 year.Structure control refers to and arranges some control device at certain position of structure, when structural vibration, passive or apply the dynamic characteristics of one group of control or change structure on one's own initiative, reduces structural vibration reaction, to meet the requirement of safety of structure and comfortableness.Input by the need of external energy, structural seismic control can be divided into Passive Control, ACTIVE CONTROL, semi-active control and Hybrid mode.The now main damping unit adopting the energy that can to dissipate during the earthquake of two types, i.e. elastic-plastic damping device and oil damp device, wherein the life-span of elastic-plastic damping device is short, and the ability of dissipation energy is low; And oil damp apparatus structure is complicated, bulky, poor stability; Be badly in need of a kind of novel damping structure to replace them.
Utility model content
The utility model aims to provide that a kind of ability of the energy that dissipates is strong, structure is simple, volume is little, stability is high, applied widely, the life-span is long, the damping device of the civil engineering structure be worth promoting.
For achieving the above object, the utility model provides following technical scheme: a kind of damping device of civil engineering structure, comprise hydraulic cylinder, the first chamber, the second chamber, dividing wall, passage, first piston, the second piston, valve and connecting rod, one end of described hydraulic cylinder is connected with the first structural member, the other end is connected with the second structural member, and hydraulic cylinder inside is provided with the first chamber and the second chamber; The left end of described first chamber is provided with first piston, and the right-hand member of the second chamber is provided with the second piston, and wherein first piston is connected by connecting rod with the second piston; Be provided with dividing wall between described first chamber and the second chamber, this dividing wall top is provided with passage, and this channel interior is provided with valve; Described valve comprises valve piston, channel, the first retainer, the second retainer, the 3rd retainer, the first support spring, isolated tube, the second reception little cylinder, plug and recess, described valve piston lower end is connected with the wall body of dividing wall by plug, and valve piston lower end is also provided with the second retainer; Described valve piston upper end receives little cylinder by the first support spring and second and is connected, and the outside of the first support spring is provided with channel; Described second outside receiving little cylinder is provided with isolated tube, and the second inside receiving little cylinder is provided with the 3rd retainer; Described second upper end receiving little cylinder connects the first retainer, and this first retainer connects dividing wall by plug.
As further scheme of the present utility model: described valve vertical is in passage.
As further scheme of the present utility model: the lower end of described valve piston is provided with several recess.
As further scheme of the present utility model: described valve piston entirety is cylindrical.
As further scheme of the present utility model: be fixed on bottom described hydraulic cylinder on bridge pier, first piston is connected bridge floor with the second piston, first piston and the second piston separate; Aperture is provided with between first chamber and the second chamber.
As further scheme of the present utility model: described first piston and the second piston all in a tubular form, are equipped with expansion vessel assembly in first piston and the second piston.
As further scheme of the present utility model: described expansion vessel assembly comprises groove room, conduit and compression cushion coat, described groove indoor are provided with compression cushion coat, and the material of this compression cushion coat is compressible material, compression cushion coat and tubes connection; Conduit in expansion vessel assembly in first piston is connected with the first chamber, and the conduit in the expansion vessel assembly in the second piston is connected with the second chamber.
As further scheme of the present utility model: be provided with flap valve in described conduit.
Compared with prior art, the beneficial effects of the utility model are: the damping device of this civil engineering structure, and the ability of dissipation energy is strong, structure is simple, volume is little, stability is high, applied widely, the life-span is long, is worth promoting.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing damping device;
Fig. 2 is sectional view A of the present utility model;
Fig. 3 is the assembling drawing between the utility model and bridge pier, bridge floor;
Fig. 4 is the sectional view of valve;
Fig. 5 is sectional view B of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Refer to Fig. 1-4, in the utility model embodiment, a kind of damping device of civil engineering structure, comprise hydraulic cylinder 30, first chamber 31, second chamber 32, dividing wall 33, passage 34, first piston 37, second piston 38, valve 40 and connecting rod 60, one end of described hydraulic cylinder 30 is connected with the first structural member 10, the other end is connected with the second structural member 20, and hydraulic cylinder 30 inside is provided with the first chamber 31 and the second chamber 32; The left end of described first chamber 31 is provided with first piston 37, and the right-hand member of the second chamber 32 is provided with the second piston 38, and wherein first piston 37 is connected by connecting rod 60 with the second piston 38; Be provided with dividing wall 33 between described first chamber 31 and the second chamber 32, this dividing wall 33 top is provided with passage 34, and this passage 34 inside is provided with valve 40, and this valve 40 is arranged perpendicular to passage 34; Described valve 40 comprises valve piston 41, channel 42, first retainer 43a, the second retainer 43b, the 3rd retainer 43c, the first support spring 45, isolated tube 47, second reception little cylinder 48, plug 49 and recess 50, described valve piston 41 is overall cylindrical, this valve piston 41 lower end is the part of closed channel 34, and the lower end of valve piston 41 is provided with at least one recess 50; Described valve piston 41 lower end is connected with the wall body of dividing wall 33 by plug 49, and valve piston 41 lower end is also provided with the second retainer 43b; Described valve piston 41 upper end receives little cylinder 48 by the first support spring 45 and second and is connected, and the outside of the first support spring 45 is provided with channel 42; Described second outside receiving little cylinder 48 is provided with isolated tube 47, and the second inside receiving little cylinder 48 is provided with the 3rd retainer 43c; Described second upper end receiving little cylinder 48 connects the first retainer 43a, and this first retainer 43a connects dividing wall 33 by plug 49; When this device coupling bridge pier 21 is with bridge floor 11, described connecting rod 60 is removed, and is fixed on bridge pier 21 bottom hydraulic cylinder 30, and first piston 37 is connected bridge floor 11 with the second piston 38, and first piston 37 is not connected each other with the second piston 38; Be provided with aperture 39 between first chamber 31 and the second chamber 32, the diameter of this aperture 39 is approximately one millimeter a few tenths of; This device is closely, because there is not connecting rod 60, so the working portion of piston is maximized.
Embodiment 2
Refer to Fig. 5, make it possible to the improvement of omitting external expansion container as a kind of, first piston 37 and the second piston 38 are all set to tubulose, in first piston 37 and the second piston 38, are equipped with expansion vessel assembly; Described expansion vessel assembly comprises groove room 70, conduit 71 and compression cushion coat 72, and be provided with compression cushion coat 72 in described groove room 70, the material of this compression cushion coat 72 is compressible material, such as plastic foam, and compression cushion coat 72 is connected with conduit 71; Conduit 71 in expansion vessel assembly in first piston 37 is connected with the first chamber 31, and the conduit 71 in the expansion vessel assembly in the second piston 38 is connected with the second chamber 32; Also flap valve is provided with in described conduit 71.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. the damping device of a civil engineering structure, comprise hydraulic cylinder (30), the first chamber (31), the second chamber (32), dividing wall (33), passage (34), first piston (37), the second piston (38), valve (40) and connecting rod (60), it is characterized in that, one end of described hydraulic cylinder (30) is connected with the first structural member (10), the other end is connected with the second structural member (20), and hydraulic cylinder (30) inside is provided with the first chamber (31) and the second chamber (32); The left end of described first chamber (31) is provided with first piston (37), the right-hand member of the second chamber (32) is provided with the second piston (38), and wherein first piston (37) is connected by connecting rod (60) with the second piston (38); Dividing wall (33) is provided with between described first chamber (31) and the second chamber (32), this dividing wall (33) top is provided with passage (34), and this passage (34) inside is provided with valve (40); Described valve (40) comprises valve piston (41), channel (42), the first retainer (43a), the second retainer (43b), the 3rd retainer (43c), the first support spring (45), isolated tube (47), the second little cylinder of reception (48), plug (49) and recess (50), described valve piston (41) lower end is connected with the wall body of dividing wall (33) by plug (49), and valve piston (41) lower end is also provided with the second retainer (43b); Described valve piston (41) upper end receives little cylinder (48) by the first support spring (45) and second and is connected, and the outside of the first support spring (45) is provided with channel (42); Described second outside receiving little cylinder (48) is provided with isolated tube (47), and the second inside receiving little cylinder (48) is provided with the 3rd retainer (43c); Described second upper end receiving little cylinder (48) connects the first retainer (43a), and this first retainer (43a) connects dividing wall (33) by plug (49).
2. the damping device of a kind of civil engineering structure according to claim 1, is characterized in that, described valve (40) is perpendicular to passage (34).
3. the damping device of a kind of civil engineering structure according to claim 1, is characterized in that, the lower end of described valve piston (41) is provided with several recess (50).
4. the damping device of a kind of civil engineering structure according to claim 1, is characterized in that, described valve piston (41) is overall cylindrical.
5. the damping device of a kind of civil engineering structure according to claim 1, it is characterized in that, described hydraulic cylinder (30) bottom is fixed on bridge pier (21), first piston (37) is connected bridge floor (11) with the second piston (38), and first piston (37) is separate with the second piston (38); Aperture (39) is provided with between first chamber (31) and the second chamber (32).
6. the damping device of a kind of civil engineering structure according to claim 1, it is characterized in that, described first piston (37) and the second piston (38) all in a tubular form, are equipped with expansion vessel assembly in first piston (37) and the second piston (38).
7. the damping device of a kind of civil engineering structure according to claim 6, it is characterized in that, described expansion vessel assembly comprises groove room (70), conduit (71) and compression cushion coat (72), compression cushion coat (72) is provided with in described groove room (70), the material of this compression cushion coat (72) is compressible material, and compression cushion coat (72) is connected with conduit (71); Conduit (71) in expansion vessel assembly in first piston (37) is connected with the first chamber (31), and the conduit (71) in the expansion vessel assembly in the second piston (38) is connected with the second chamber (32).
8. the damping device of a kind of civil engineering structure according to claim 7, is characterized in that, described conduit is provided with flap valve in (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003553.2U CN204385944U (en) | 2015-01-05 | 2015-01-05 | A kind of damping device of civil engineering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003553.2U CN204385944U (en) | 2015-01-05 | 2015-01-05 | A kind of damping device of civil engineering structure |
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| Publication Number | Publication Date |
|---|---|
| CN204385944U true CN204385944U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003553.2U Expired - Fee Related CN204385944U (en) | 2015-01-05 | 2015-01-05 | A kind of damping device of civil engineering structure |
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| CN (1) | CN204385944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678394A (en) * | 2018-03-30 | 2018-10-19 | 中建钢构有限公司 | Steel construction piece mounting device and steel construction piece installation method |
| CN109458030A (en) * | 2018-11-22 | 2019-03-12 | 武汉理工大学 | Hydraulic drive Self-resetting support device |
-
2015
- 2015-01-05 CN CN201520003553.2U patent/CN204385944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678394A (en) * | 2018-03-30 | 2018-10-19 | 中建钢构有限公司 | Steel construction piece mounting device and steel construction piece installation method |
| CN109458030A (en) * | 2018-11-22 | 2019-03-12 | 武汉理工大学 | Hydraulic drive Self-resetting support device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Jitian Inventor after: Yan Ta Inventor after: He Zhengxiang Inventor before: Zhang Jitian |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG JITIAN TO: ZHANG JITIAN YAN TA HE ZHENGXIANG |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160105 |