CN106193749A - A kind of tuning damping system - Google Patents
A kind of tuning damping system Download PDFInfo
- Publication number
- CN106193749A CN106193749A CN201610769524.6A CN201610769524A CN106193749A CN 106193749 A CN106193749 A CN 106193749A CN 201610769524 A CN201610769524 A CN 201610769524A CN 106193749 A CN106193749 A CN 106193749A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- base plate
- block
- water
- damping system
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
Abstract
The invention discloses a kind of tuning damping system, it includes storage tank, water level monitor, base plate, hyperboloid spherical bearing, controlled stop, acceleration transducer, import and export Water valve controller and main control computer, storage tank is arranged at crucial floor, storage tank is fixed on base plate, four hyperboloid spherical bearings are set in four orientation of baseplate underside, and arrange in storage tank base plate surrounding base plate is carried out the controlled stop that initial position is fixing；At crucial floor or/and roof arranges acceleration transducer；Arranging water level monitor in described storage tank case, water inlet and outlet at described storage tank are connected to the water service system of building by import and export Water valve controller.The present invention has simple structure, and additionally take up room little, good damping effect, can adjust the advantages such as parameter, stable work in work, good endurance in real time, it is adaptable to the overwhelming majority has wind resistance, the high level of antidetonation demand, high-rise buildings structure.
Description
Technical field
This invention relates to high-rise damping, anti-seismic technology field, specifically a kind of tuning damping system.
Background technology
For skyscraper along with architectural engineering developing rapidly in height, the directly harm that wind-induced vibration brings is very
Generally.Statistics shows both at home and abroad, and in all natural disasters, the loss that disaster caused by a windstorm causes is that first of various disaster, high level is built
The anti-wind problems built greatly is paid attention at engineering circles.At present, for high level, High-rise Structures Under Wind, earthquake control problem, make
Tuned mass damper (TMD), Tuned Liquid (TLD) are set, arrange at interlayer at roof by more means exactly
Antivibrator or other amortisseur etc..
Tuned mass damper (TMD) is typically by counterweight, sliding rail and horizontal spring composition, and TMD each several part is knot
Structure is additionally arranged, and needs arrange counter force wall for horizontal spring and be connected as a single entity with structure, and therefore, usual TMD structure is more multiple
Miscellaneous, take up space relatively big, accessory configurations is more, and cost is the highest.It addition, after TMD is provided with, the counterweight of antivibrator and bullet
The all inconvenience of spring rigidity is adjusted with the Vibration Condition of structure.
And general T LD is for reaching preferable effectiveness in vibration suppression, needing to arrange more water tank, take more space, cost is relatively
Height, and effectiveness in vibration suppression is the most relatively limited.
With the antivibrator at the global center, Shanghai of open report, deadweight up to 150 tons, from great, cost is high.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of tuning damping system, energy-conservation for building
With antidetonation, it is a kind of anti-seismic structure, the problem that existing anti-seismic structure consumes energy, volume is big, weight is big will be solved.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of tuning damping system, it is characterised in that include storage tank, water level monitor, base plate, hyperboloid ball-type
Bearing, controlled stop, acceleration transducer, import and export Water valve controller and main control computer,
Described storage tank is arranged on crucial floor or/and at attic, described storage tank is directly fixed on base plate, at base plate
Four orientation, downside arrange four hyperboloid spherical bearings, and arrange in storage tank base plate surrounding that base plate carries out initial position is solid
Fixed controlled stop；
At crucial floor or/and roof arranges acceleration transducer；
In described storage tank case, water level monitor is set,
The tap water being connected to building by import and export Water valve controller at water inlet and the outlet of described storage tank supplies
Answer system,
Described water level monitor, acceleration transducer, import and export Water valve controller and controlled stop are electric with master control respectively
Brain is electrically connected.
Upper bracket plate in described hyperboloid spherical bearing, lower support plate are provided with interior concave sphere sliding surface, upper and lower
Being biconvex slide block between seat board, be equipped with politef slide plate between upper and lower support plate and slide block, slide block is that biconvex is sliding
Block.
Described import and export Water valve controller uses solenoid electric valve.
Described controlled stop includes block and the base with chute, and described block can slide, at block in chute
Initial position is provided with electromagnetic lock, is locked block by electromagnetic lock.
With rubber blanket inside the described block contacted with base plate (2).
Displacement transducer is set between block and base.
The invention has the beneficial effects as follows:
The antivibrator of the present invention makes full use of the storage tank of high level, high-rise buildings, does not affect the normal water storage of storage tank, water supply
On the premise of function, using storage tank as the important component part of antivibrator, rocking of water body in storage tank had both been make use of to subtract
Shake, also utilize storage tank and water body and be supported on hyperboloid spherical bearing as counterweight, by resonance absorbing building structure
Vibrational energy, organically combines the functional characteristics of Tuned Liquid with tuned mass damper, reaches preferable vibration damping consumption
Can effect.By using reasonably monitoring analysis and Control program, it is achieved according in structural vibration situation damping adjusting device storage tank
The water yield, makes effectiveness in vibration suppression reach optimum.
Building structure storage tank is used by the damping system of the present invention, not rocking building merely with water body
Structure carries out vibration damping, is also supported on by storage tank on hyperboloid spherical bearing so that it is carry out energy-absorbing with building structure generation resonance
Vibration damping, and utilize the water yield in analysis and Control programme-control stop and storage tank, it is achieved different situations bottombearing damper is respectively adopted
Tuned Liquid or the damping mechanism of tuned mass damper, and make damping effect reach optimum.
The present invention has simple structure, and additionally take up room little, good damping effect, can adjust parameter, service behaviour in real time
Stable, the advantage such as good endurance, it is adaptable to the overwhelming majority has wind resistance, the high level of antidetonation demand, high-rise buildings structure.
Compared with common tuned mass damper and Tuned Liquid, the antivibrator of the present invention has following excellent
Gesture: (1) makes full use of the storage tank of building structure, need not additionally make counterweight；(2) simple structure, takes up room little；(3) exist
Under weak wind/little shake and high wind/severe earthquake action, it is respectively adopted the principle of Tuned Liquid and tuned mass damper to building
Structure carries out vibration damping；(4) damping effect of antivibrator can be adjusted according to the water yield in structural vibration situation adjustment storage tank.
Accompanying drawing explanation
Fig. 1 is the structural representation of native system.
Fig. 2 is the state diagram under high wind/macroseism state.
Fig. 3 is hyperboloid spherical bearing schematic diagram.
Fig. 4 is the combination schematic diagram of native system and building body.
Fig. 5 is controlled stop schematic diagram.
Fig. 6 is Fig. 5 side schematic view.
Fig. 7 is Damper Control principle schematic.
In figure: 1 storage tank, 11 water level monitors, 2 base plates, 3 hyperboloid spherical bearings, 31 upper bracket plates, 32 undersettings
Plate, 33 biconvex slide blocks, 34 politef slide plates, 4 controlled stops, 41 blocks, 42 bases, 43 electromagnetic locks, 5 velocity pick-ups
Device, 6 solenoid electric valves, 10 skyscraper main bodys.
Detailed description of the invention
As shown in Figures 1 to 7,
For existing defect, the protection main body of the present invention is as follows:
The damping system of the present invention is passed by storage tank, water level monitor, base plate, bearing, controlled stop, acceleration
Sensor, import and export Water valve controller, stop control the part composition such as device, computer.
Storage tank 1 casing is identical with daily storage tank used, is generally used for the daily water consumption supply of skyscraper, such as certainly
Water stores, and volume is relatively big, typically can be with the hundreds of ton of water storage.Water level monitor 11 is set in storage tank 1 case, in order to monitoring in real time
The signal of telecommunication is formed, for the monitoring of inside water level after water level in water tank, and collection.The inlet tube and outlet tube of above-mentioned storage tank 1 is equipped with
One section of deformable linkage section, such as flexible pipe, rubber tube etc., in the case of storage tank 1 left right horizontal movement, make inlet tube and outlet tube
Adapting to the horizontal movement of storage tank, above-mentioned inlet tube and outlet tube connects the running water system carrying pressure.
Traditional storage tank is directly anchored on floor, is rigid fixing with building.In the present invention, storage tank 1
Being fixed on base plate 2, base plate is the steel plate that an area is bigger.
On the downside of base plate 2, four orientation arrange four hyperboloid spherical bearings 3.
Upper bracket plate 31 in hyperboloid spherical bearing 3, lower support plate 32 are provided with interior concave sphere sliding surface, upper and lower
Being biconvex slide block 33 between support plate, be equipped with politef slide plate 34 between upper and lower support plate and slide block, slide block 33 is double
Convex surface.The feature using hyperboloid spherical bearing is only to determine the vibration period that its equivalence slip radius i.e. can determine that structure.
Arranging controlled stop 4 in storage tank 1 base plate surrounding, so-called controlled stop 4 is by block 41 with chute
Base 42 constitute, block 41 can slide in chute, block initial position is provided with electromagnetic lock, by electromagnetic lock to block
Lock.As a kind of electromagnetic lock 43 that can realize, above-mentioned battery lock is arranged in block, and lock core may be inserted into and
Exit the socket in base to realize the locking of block and loosen, with reference to Fig. 5, Fig. 6.Inside the described block contacted with base plate 2 attached
There is rubber blanket.
Above-mentioned electromagnetic lock is controlled by main control computer, forms stop and controls device.
Displacement transducer can be set as required between block and base, gather the amplitude that block slides.
The storage tank 1 being supported on hyperboloid spherical bearing i.e. constitutes the dampener body in damping system, i.e.
Above-mentioned storage tank has two kinds of functions, and a kind of is the water supply main body as skyscraper, and two is that the main body as antivibrator is sent out
Wave effect.
For the Vibration Condition of monitoring of structures skyscraper main body 10, at roof or crucial storey setting acceleration transducer 5.
Under the effect of extraneous wind load or earthquake load, building body occurred level vibrates, and wherein acceleration transducer is used for measuring
The horizontal acceleration of building body key floor.
Above-mentioned water level monitor 11, acceleration transducer 5 are all connected with main control computer and carry out data acquisition, and generate phase
The signal of telecommunication closed.
Solenoid electric valve 6, the wherein solenoid electric valve 6 at entery and delivery port and controlled limit it is respectively provided with at inlet tube and outlet tube
Position device 4 is also connected with host computer, is uniformly controlled by analysis and Control program, and automatically controlled control valve and the automatically controlled of controlled stop move
Make process as follows:
The determination of crucial floor: when arranging storage tank antivibrator, uses simulation calculation or model test to determine in advance and builds
The crucial floor that the master control vibration shape, vibration period and the amplitude of building structure are bigger, wherein crucial floor is at least at one,
Select suitable antivibrator bearing: then determine that the equivalence of antivibrator bearing is sliding according to the vibration period of the master control vibration shape
Dynamic radius, when making storage tank level slide, the cycle is consistent with major control cycle, and is respectively provided with corresponding resistance at roof and crucial floor
Buddhist nun's device, arranges acceleration transducer simultaneously.
Power consumption antidetonation process is as follows:
1, calm and without shake in the case of, at roof and crucial floor, storage tank will not move, and relies solely on water storage
Case plays its normal water storage, water supply function.
2, under weak wind or little shake effect, at roof and crucial floor, acceleration is less, and main control computer receives acceleration
Keeping the stop constraint to antivibrator after data, now, storage tank is with structure motion, and in storage tank, water body then shakes,
Water body produces wave and the pressure differential of water storage tank wall is just constituted the damping force to structure.Meanwhile, main control computer is by analyzing journey
Ordered pair acceleration information is analyzed, and obtains the master control vibration shape of structural vibration, and the damping force now relying on water body to rock generation carrys out damping,
Therefore draw at each antivibrator damping force needed for damping effect optimum according to the further iterative computation of the master control vibration shape, and then determine required
The optimum water yield, and combine water level monitor data in each water tank, control the electromagnetism at storage tank at each crucial floor and attic
Control valve switchs, and in making each storage tank, the water yield reaches requirement, to obtain optimum damping effect.In this case the vibration damping of antivibrator
Principle is similar to Tuned Liquid.
3, under high wind or severe earthquake action, at roof and crucial floor, acceleration is relatively big, and main control computer receives acceleration
After data, if judging to find that certain crucial floor acceleration exceedes pre-set limit, then control the controlled spacing of antivibrator at this floor
The block of device slides to outside in chute, discharges the constraint to antivibrator of the controlled stop, and now, storage tank 1 is as one
The overall occurred level slip on hyperboloid spherical bearing of counterweight, the cycle of sliding is identical with the structure master control vibration shape cycle, antivibrator
With structure generation resonance, carry out the vibrational energy of absorbing structure, the vibration of suppression structure, and water body rock effectiveness in vibration suppression still
Effectively.Meanwhile, main control computer to acceleration information analysis by analysis program, is obtained the master control vibration shape of structural vibration, now leads
The overall generation resonance that slides on bearing of water tank to be relied on absorbs vibrational energy, and it is auxiliary that water body rocks, therefore according to the master control vibration shape
Further iterative computation draws at each antivibrator water tank quality needed for damping effect optimum, and then determines the required optimum water yield and tie
Close water level monitor data in each water tank, control each antivibrator entery and delivery port switch, make each antivibrator quantity of water in water tank reach
Excellent requirement, by changing the ratio of antivibrator quality and architecture quality, obtains optimum damping effect.In this case antivibrator
Vibration attenuation mechanism similar to tuned mass damper.
The damping system of the present invention the most only can arrange storage tank antivibrator at roof, and does not sets in floor
Put；Also can cancel controlled stop as required, no matter the size of wind/earthquake, storage tank is all inhaled by resonance on bearing
Can vibration damping.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the relevant technical staff in the field's various changes to the present invention
Shape and improvement, all should expand in protection domain as determined by claims of the present invention.
Claims (6)
1. a tuning damping system, it is characterised in that include storage tank, water level monitor, base plate, bearing, controlled limit
Position device, acceleration transducer, import and export Water valve controller and main control computer,
Described storage tank is arranged on crucial floor or/and at attic, described storage tank (1) is directly fixed on base plate (2), the end of at
Four orientation, plate (2) downside arrange four hyperboloid spherical bearings (3), and arrange to enter base plate in storage tank (1) base plate surrounding
The controlled stop (4) that line home position is fixing；
At crucial floor or/and roof arranges acceleration transducer (5)；
Water level monitor (11) is set in described storage tank (1) case,
Water inlet and outlet at described storage tank are connected to the water service system of building by import and export Water valve controller
System,
Described water level monitor (11), acceleration transducer (5), import and export Water valve controller and controlled stop (4) respectively with
Main control computer is electrically connected.
A kind of tuning damping system the most according to claim 1, it is characterised in that described hyperboloid spherical bearing
(3) upper bracket plate (31), lower support plate (32) in are provided with interior concave sphere sliding surface, are biconvex between upper and lower support plate
Face slide block (33), is equipped with politef slide plate (34) between upper and lower support plate and slide block, slide block (33) is biconvex slide block.
A kind of tuning damping system the most according to claim 1, it is characterised in that described import and export water valve controls
Device uses solenoid electric valve.
A kind of tuning damping system the most according to claim 1, it is characterised in that described controlled stop (4) is wrapped
Including block and the base with chute, described block (41) can slide in chute, block initial position is provided with electromagnetic lock,
By electromagnetic lock, block is locked.
A kind of tuning damping system the most according to claim 4, it is characterised in that described with what base plate (2) contacted
With rubber blanket inside block.
A kind of tuning damping system the most according to claim 5, it is characterised in that arrange between block and base
Displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769524.6A CN106193749A (en) | 2016-08-30 | 2016-08-30 | A kind of tuning damping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769524.6A CN106193749A (en) | 2016-08-30 | 2016-08-30 | A kind of tuning damping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106193749A true CN106193749A (en) | 2016-12-07 |
Family
ID=58089940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769524.6A Pending CN106193749A (en) | 2016-08-30 | 2016-08-30 | A kind of tuning damping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106193749A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905400A (en) * | 2017-09-27 | 2018-04-13 | 同济大学 | It is a kind of to perceive the replaceable energy consumption coupling beam of Eddy Current Type certainly |
| CN107938877A (en) * | 2017-12-13 | 2018-04-20 | 河北建筑工程学院 | Anti-seismic damper and anti-shock methods |
| CN108193795A (en) * | 2018-01-02 | 2018-06-22 | 广东省建筑科学研究院集团股份有限公司 | For the active servo grid damping unit of building structure vibration damping control |
| CN108222306A (en) * | 2018-01-02 | 2018-06-29 | 广东省建筑科学研究院集团股份有限公司 | The separation layout passive energy dissipation damping unit of building structure |
| CN108894571A (en) * | 2018-07-27 | 2018-11-27 | 北京金风科创风电设备有限公司 | Damping system and bearing enclosure structure with same |
| CN109989892A (en) * | 2019-04-16 | 2019-07-09 | 湖南工程学院 | A kind of blower fan tower barrel and its control method equipped with dynamic vibration absorber |
| CN111305280A (en) * | 2020-03-10 | 2020-06-19 | 广西大学 | Seismic isolation and reduction system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001182366A (en) * | 1999-12-27 | 2001-07-06 | Sekisui Chem Co Ltd | Underfloor dressed body, base isolation bearing equipment and base isolated building |
| CN2701938Y (en) * | 2004-06-02 | 2005-05-25 | 中国船舶重工集团公司第七二五研究所 | Double curved surface ball type shock mount |
| CN105507447A (en) * | 2016-01-26 | 2016-04-20 | 广州大学 | Passive variable damping tuned mass damper apparatus |
| CN205955329U (en) * | 2016-08-30 | 2017-02-15 | 山东省交通规划设计院 | Harmonious damping damping system |
-
2016
- 2016-08-30 CN CN201610769524.6A patent/CN106193749A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001182366A (en) * | 1999-12-27 | 2001-07-06 | Sekisui Chem Co Ltd | Underfloor dressed body, base isolation bearing equipment and base isolated building |
| CN2701938Y (en) * | 2004-06-02 | 2005-05-25 | 中国船舶重工集团公司第七二五研究所 | Double curved surface ball type shock mount |
| CN105507447A (en) * | 2016-01-26 | 2016-04-20 | 广州大学 | Passive variable damping tuned mass damper apparatus |
| CN205955329U (en) * | 2016-08-30 | 2017-02-15 | 山东省交通规划设计院 | Harmonious damping damping system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905400A (en) * | 2017-09-27 | 2018-04-13 | 同济大学 | It is a kind of to perceive the replaceable energy consumption coupling beam of Eddy Current Type certainly |
| CN107938877A (en) * | 2017-12-13 | 2018-04-20 | 河北建筑工程学院 | Anti-seismic damper and anti-shock methods |
| CN107938877B (en) * | 2017-12-13 | 2023-04-18 | 河北建筑工程学院 | Anti-seismic damper and anti-seismic method |
| CN108193795A (en) * | 2018-01-02 | 2018-06-22 | 广东省建筑科学研究院集团股份有限公司 | For the active servo grid damping unit of building structure vibration damping control |
| CN108222306A (en) * | 2018-01-02 | 2018-06-29 | 广东省建筑科学研究院集团股份有限公司 | The separation layout passive energy dissipation damping unit of building structure |
| CN108894571A (en) * | 2018-07-27 | 2018-11-27 | 北京金风科创风电设备有限公司 | Damping system and bearing enclosure structure with same |
| CN108894571B (en) * | 2018-07-27 | 2020-01-31 | 北京金风科创风电设备有限公司 | Damping system and bearing enclosure structure with same |
| CN109989892A (en) * | 2019-04-16 | 2019-07-09 | 湖南工程学院 | A kind of blower fan tower barrel and its control method equipped with dynamic vibration absorber |
| CN111305280A (en) * | 2020-03-10 | 2020-06-19 | 广西大学 | Seismic isolation and reduction system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106193749A (en) | A kind of tuning damping system | |
| CN106193357A (en) | A kind of tuning liquid, quality damping vibration attenuation apparatus | |
| CN105971148B (en) | Universal swing track brace type tuned mass damper | |
| CN101748686B (en) | Non-linear damping radiation vibration absorption and isolation support | |
| CN102995785B (en) | Rocker bearing water tank damper | |
| CN102853989A (en) | Swing aeroelastic model and shock-test wind tunnel test method thereby | |
| CN112146912A (en) | Tunnel multi-catastrophe comprehensive simulation test system | |
| CN106126904A (en) | The absorption blasting vibration energy Comfort Evaluation method of multi-story structure | |
| CN205955329U (en) | Harmonious damping damping system | |
| CN205954908U (en) | Harmonious liquid quality damping vibration damper | |
| CN111981081A (en) | Museum exhibition cultural relic shock isolation device and application method thereof | |
| CN105507447A (en) | Passive variable damping tuned mass damper apparatus | |
| De Domenico et al. | Earthquake protection of existing structures with limited seismic joint: base isolation with supplemental damping versus rotational inertia | |
| CN209963577U (en) | Thing networking electric power cabinet with shock attenuation effect | |
| Chong et al. | Seismic performance comparison of hybrid, isolation, and damping control structures through 1/2-scale shaking table tests based on Chinese standard | |
| CN108222306A (en) | The separation layout passive energy dissipation damping unit of building structure | |
| CN202735062U (en) | Pendulum type aeroelastic model | |
| CN213336822U (en) | Tunnel multi-catastrophe comprehensive simulation test system | |
| CN206099251U (en) | Be used for knob insulator type electrical equipment absorbing hybrid control device | |
| CN210036955U (en) | Accurate measuring device of blasting safe distance | |
| CN206038016U (en) | Inertia measurement assembly reaches unmanned vehicles who contains it | |
| CN209556161U (en) | A kind of vertical vibration isolation support for building | |
| CN209213388U (en) | A kind of cable tunnel track machine people track hoisting mechanism | |
| CN210105016U (en) | Pumped storage power station factory building structure vibration control device | |
| CN211114108U (en) | Embedded wallboard connection structure of assembled steel construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |