CN108678183A - A kind of anti-tension shock isolating pedestal device - Google Patents
A kind of anti-tension shock isolating pedestal device Download PDFInfo
- Publication number
- CN108678183A CN108678183A CN201810582727.3A CN201810582727A CN108678183A CN 108678183 A CN108678183 A CN 108678183A CN 201810582727 A CN201810582727 A CN 201810582727A CN 108678183 A CN108678183 A CN 108678183A
- Authority
- CN
- China
- Prior art keywords
- plate
- shock isolating
- isolating pedestal
- lift
- tension
- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
Abstract
The present invention discloses a kind of anti-tension shock isolating pedestal device, including shock isolating pedestal, above the shock isolating pedestal connection one can lift-off buckle closure, it is described can lift-off buckle closure include：Top plate is connect with upper buttress；Horizontal limiting ring flat-plate is arranged below the top plate；Support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and is fixed with the top plate；Lift-off locating part, one end is positive stop end, positioned at the lower section of the upper cover plate, the other end is fixed across the upper cover plate of the shock isolating pedestal, the support plate and with the top plate, and the distance between the top of the positive stop end and the support plate lower plane are more than the thickness of the upper cover plate；The shock isolating pedestal is set to the lower section in the inner cavity of the Horizontal limiting ring flat-plate and positioned at the support plate.The anti-tension shock isolating pedestal device of the present invention can give full play to the performance of bearing, and shock isolating pedestal is avoided to bear unfavorable pulling force.
Description
Technical field
The present invention relates to the earthquake isolating equipment technical fields more particularly to one in a kind of industrial building, civil buildings, bridge
The anti-tension shock isolating pedestal device of kind.
Background technology
Since to bear pulling force ability poor or without tensile capacity for common shock isolating pedestal such as laminated rubber bases, for protection every
The horizontal seismic isolation performance of bearing is shaken,《Seismic design provision in building code》12.2.4 item requires water of the rubber support under rarely occurred earthquake
Under gentle vertical Earthquake Excitations, tensile stress should not exceed 1MPa.But for the high-level structure shock design of highly seismic region,
Since seismic force is excessive, tensile stress inevitably is generated in corner bearing, the portion of standoff tensile stress of part-structure is difficult control
System is within 1MPa.Still have after highly seismic region (such as 9 degree of areas) or the structures isolation effect of depth-width ratio larger (being more than 3) larger
Overturning moment, but to bear pulling force ability poor for currently used rubber earthquake isolation support, especially when drawing, cutting while acting on, bears
Pulling force ability declines faster.《Seismic design provision in building code》12.2.4 item require rubber support under rarely occurred earthquake level and
Under vertical Earthquake Excitations, tensile stress should not exceed 1MPa, but be seen according to the result of tensile shear testing few in number, bearing
When larger shear-deformable, tensile stress occurred before reaching 1MPa it is apparent non-linear, while hysteresis area compared with
Greatly, there is obvious damage, horizontal shear performance receives larger impact.
It can be seen that how to improve the prior art, protecting rubber earthquake isolation support, tension is not damaged, to the maximum extent really
The vertical load performance of bearing and horizontal seismic isolation performance are protected, this is this field technical issues that need to address.
Invention content
The object of the present invention is to provide a kind of anti-tension shock isolating pedestal devices, give full play to the performance of bearing, avoid
Bearing bears unfavorable pulling force.
In order to solve the above technical problems, the technical scheme is that：
A kind of anti-tension shock isolating pedestal device of the present invention, including shock isolating pedestal, shock isolating pedestal top connection one can
Lift-off buckle closure, it is described can lift-off buckle closure include：
Top plate is connect with upper buttress；
Horizontal limiting ring flat-plate is arranged below the top plate；
Support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and is fixed with the top plate；
Lift-off locating part, one end are positive stop end, are located at the lower section of the upper cover plate, and the other end passes through the shock isolating pedestal
Upper cover plate, the support plate and fixed with the top plate, between the top of the positive stop end and the support plate lower plane
Distance is more than the thickness of the upper cover plate；
The shock isolating pedestal is set to the lower section in the inner cavity of the Horizontal limiting ring flat-plate and positioned at the support plate.
Preferably, the shock isolating pedestal is rubber earthquake isolation support.
Preferably, the lift-off locating part is lift-off position-limitting pin.
Preferably, the upper cover plate of the shock isolating pedestal is caught in by interference fit in the inner cavity of the Horizontal limiting ring flat-plate.
Preferably, the support plate is polyfluortetraethylene plate.
Preferably, the lift-off locating part is connected and fixed with the top plate by way of plug welding of perforating.
Preferably, when the shock isolating pedestal is in state of tension, under the upper plane and the support plate of the upper cover plate
The lift-off gap formed between plane is 10~30mm of design gaps.
Preferably, multiple put more energy into is equipped between the outside portion and the lower plane of the top plate of the Horizontal limiting ring flat-plate
Plate.
Preferably, the multiple stiffener is uniformly distributed.
Preferably, the Horizontal limiting ring flat-plate is used with the top plate and is welded and fixed.
Compared with prior art, the invention has the characteristics that and advantageous effect：
1, stand apparatus of the invention is when by upward lifting effect, shock isolating pedestal with can lift-off buckle closure disengage, can
By tensile failure or there is not larger damage influence horizontal seismic isolation performance in effective protection shock isolating pedestal.Shock isolating pedestal is not subject to draw
Power, can protecting shock isolating pedestal, tension is not damaged, and ensures the vertical load performance of bearing and horizontal seismic isolation performance to the maximum extent.
2, the present invention realizes the protection of two defence lines by the way that lift-off locating part is arranged, when lift-off displacement is more than design displacement,
Lift-off locating part transmits pulling force and on the one hand limits, and is unlikely to the Horizontal limiting ring flat-plate for making shock isolating pedestal be detached from lift-off buckle closure and leads
Cause horizontal bearing failure；The earthquake pulling force of the super expected design of a part is undertaken using the tensile bearing capacity of shock isolating pedestal simultaneously.
Description of the drawings
Fig. 1 is the structural schematic diagram of the anti-tension shock isolating pedestal device embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of stand apparatus in Fig. 1；
Fig. 3 is the enlarged drawing of part A when stand apparatus is in pressure state in Fig. 1；
Fig. 4 is the enlarged drawing of part A when stand apparatus is in state of tension in Fig. 1；
Fig. 5 be Fig. 1 in can lift-off buckle closure vertical view.
Specific implementation mode
To keep technical scheme of the present invention clearer, below in conjunction with attached drawing by specific embodiment come to the present invention
It is described in detail.
A kind of anti-tension shock isolating pedestal device disclosed by the invention, including shock isolating pedestal, shock isolating pedestal top connection
One can lift-off buckle closure, it is described can lift-off buckle closure include：
Top plate is connect with upper buttress；
Horizontal limiting ring flat-plate is arranged below the top plate；
Support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and is fixed with the top plate；
Lift-off locating part, one end are positive stop end, are located at the lower section of the upper cover plate, and the other end passes through the shock isolating pedestal
Upper cover plate, the support plate and fixed with the top plate, between the top of the positive stop end and the support plate lower plane
Distance is more than the thickness of the upper cover plate；The positive stop end of lift-off locating part plays position-limiting action, can locate always under a stretching force
In the lower section of upper cover plate, it is unlikely to be detached from upper cover plate.
The shock isolating pedestal is set to the lower section in the inner cavity of the Horizontal limiting ring flat-plate and positioned at the support plate.Make
For a kind of preferred technical solution, the shock isolating pedestal is rubber earthquake isolation support.
As a kind of perferred technical scheme, the lift-off locating part is lift-off position-limitting pin.
As a kind of perferred technical scheme, the upper cover plate of the shock isolating pedestal is caught in the level by interference fit
In the inner cavity for limiting ring flat-plate.
As a kind of perferred technical scheme, the support plate is polyfluortetraethylene plate.
As a kind of perferred technical scheme, the lift-off locating part is connected with the top plate by way of plug welding of perforating
Connect fixation.
As a kind of perferred technical scheme, when the shock isolating pedestal is in state of tension, it is arranged on the shock isolating pedestal
Upper cover plate upper plane and the lower plane of the support plate between the lift-off gap that is formed be 10~30mm.
As a kind of perferred technical scheme, in the lower plane of the outside portion and the top plate of the Horizontal limiting ring flat-plate
Between be equipped with multiple stiffeners.
As a kind of perferred technical scheme, the multiple stiffener is uniformly distributed.
As a kind of perferred technical scheme, the Horizontal limiting ring flat-plate is used with the top plate and is welded and fixed.
Referring to Fig. 1~Fig. 5, the embodiment of the present invention is illustrated：
The anti-tension shock isolating pedestal device of the present embodiment includes rubber earthquake isolation support 1 and is arranged on rubber earthquake isolation support 1
What Fang Bingyu rubber earthquake isolation supports 1 connected can lift-off buckle closure 2.
Can lift-off buckle closure 2 include top plate 21, be arranged below top plate 21 Horizontal limiting ring flat-plate 22, setting level limit
Multiple stiffeners 23 between position 22 outside portion of ring flat-plate and 21 lower plane of top plate, are arranged in the inner cavity of Horizontal limiting ring flat-plate 22
And with the polyfluortetraethylene plate of the lower contacts of top plate 21 24.Top plate 21 passes through the embedded sleeve barrel that is arranged on bolt and upper buttress 3
31 are connected and fixed.
For Horizontal limiting ring flat-plate 22 with top plate 21 using being welded and fixed, polyfluortetraethylene plate 24 passes through countersunk head spiral shell with top plate 21
Bolt is fixed.
In the present embodiment, multiple stiffeners are uniformly distributed setting.
The rubber earthquake isolation support 1 of the present embodiment, including upper cover plate 11, upper cover plate 11 pass through lift-off position-limitting pin 25 and top
Plate 21 connects, while interference fit is caught in Horizontal limiting ring flat-plate 22, is different from the prior art by rubber earthquake isolation support 1
The connection type that upper cover plate 11 is directly connect with upper buttress 3.The positioning that 1 bottom of rubber earthquake isolation support passes through bolt and lower buttress 4
Steel plate 41 connects.Remaining structure of rubber earthquake isolation support 1 is same as the prior art, and details are not described herein again.
25 one end of lift-off position-limitting pin passes through upper cover plate 11, polyfluortetraethylene plate 24, top plate 21, and upper with top plate 21
Portion is fixed by plug welding, forms plug welding point 26.The other end of lift-off position-limitting pin is positive stop end, which is equipped with diameter and is more than it
The spacing head of main part, between the lower section of upper cover plate 11,24 lower plane of top and polyfluortetraethylene plate of spacing head
Distance is more than the thickness of upper cover plate 11, such setting so that when stand apparatus be in pressure state, the top of spacing head and
A lift-off gap is formed between the lower plane of upper cover plate 11, the height in lift-off gap is L1, as shown in Figure 3.
Anti- tension shock isolating pedestal device in the present embodiment, operation principle are as follows：
1, under non-geological process, stand apparatus is primarily subjected to vertical pressure, at this point, rubber earthquake isolation support upper cover plate 11 with
Polyfluortetraethylene plate 24 is in direct contact transmission pressure, and thin portion relationship is shown in the pressure state figure of Fig. 3.
2, there are two types of force modes under geological process：Compression shear pattern and drawing cut-off-die formula.
When compression shear pattern, rubber earthquake isolation support upper cover plate 11 is in direct contact transmission pressure with polyfluortetraethylene plate 24, shears
Transmission is contacted with upper cover plate 11 by Horizontal limiting ring flat-plate 22, thin portion relationship is shown in the pressure state figure of Fig. 3；
When drawing cut-off-die formula, rubber support upper cover plate 11 is disengaged with polyfluortetraethylene plate 24, does not transmit pulling force, and pulling force relies on
Other tensile device is arranged to undertake.Shearing still contacts transmission by limiting ring flat-plate 22 with upper cover plate 11.To ensure device
Reliability, setting lift-off position-limitting pin 25, when lift-off distance is more than designed distance, the lift-off with 21 plug welding of buckle closure top plate limits
Position pin 25 plays a role, and holds rubber earthquake isolation support 1 and buckle closure 2, is held using 1 limited tensile capacity of rubber earthquake isolation support
The super earthquake intensity geological process of load, unlikely disengagement failure, thin portion relationship are shown in the state of tension figure of Fig. 4.In the present embodiment, upper cover plate
The height in the lift-off gap between upper plane and the lower plane of polyfluortetraethylene plate is L2, L2 20mm.In other embodiment
In, aforementioned lift-off gap can be designed as any one value in 10~30mm, such as 12mm, 18mm, 25mm.
Compared with prior art, the present embodiment has the characteristics that and advantageous effect：
1, the stand apparatus of the present embodiment is when by upward lifting effect, shock isolating pedestal with can lift-off buckle closure disengage,
By tensile failure or there is not larger damage influence horizontal seismic isolation performance in can effectively protect shock isolating pedestal.Shock isolating pedestal is not subject to
Pulling force, can protecting shock isolating pedestal, tension is not damaged, and ensures the vertical load performance of bearing and horizontal seismic isolation performance to the maximum extent.
2, the present embodiment realizes the protection of two defence lines by the way that lift-off position-limitting pin is arranged, when lift-off displacement is more than design position
When shifting, lift-off position-limitting pin transmits pulling force and on the one hand limits, and is unlikely to the Horizontal limiting ring for making shock isolating pedestal be detached from lift-off buckle closure
Plate and cause horizontal bearing to fail；The earthquake of the super expected design of a part is undertaken using the tensile bearing capacity of shock isolating pedestal simultaneously
Pulling force.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these
Improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of anti-tension shock isolating pedestal device, including shock isolating pedestal, which is characterized in that connection one can above the shock isolating pedestal
Lift-off buckle closure, it is described can lift-off buckle closure include：
Top plate is connect with upper buttress；
Horizontal limiting ring flat-plate is arranged below the top plate；
Support plate is arranged in the inner cavity of the Horizontal limiting ring flat-plate and is fixed with the top plate；
Lift-off locating part, one end are positive stop end, are located at the lower section of the upper cover plate, and the other end passes through the upper cover of the shock isolating pedestal
It plate, the support plate and is fixed with the top plate, the distance between the top of the positive stop end and the support plate lower plane are big
In the thickness of the upper cover plate；
The shock isolating pedestal is set to the lower section in the inner cavity of the Horizontal limiting ring flat-plate and positioned at the support plate.
2. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the shock isolating pedestal is rubber vibration isolation branch
Seat.
3. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the lift-off locating part limits for lift-off
Pin.
4. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the upper cover plate of the shock isolating pedestal passes through
Interference fit is caught in the inner cavity of the Horizontal limiting ring flat-plate.
5. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the support plate is polytetrafluoroethylene (PTFE)
Plate.
6. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the lift-off locating part and the top plate
It is connected and fixed by way of plug welding of perforating.
7. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the shock isolating pedestal is in state of tension
When, the lift-off gap that is formed between the upper plane and the lower plane of the support plate of the upper cover plate be design gaps 10~
30mm。
8. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that in the outside of the Horizontal limiting ring flat-plate
Multiple stiffeners are equipped between portion and the lower plane of the top plate.
9. anti-tension shock isolating pedestal device as claimed in claim 8, which is characterized in that the multiple stiffener is uniformly distributed.
10. anti-tension shock isolating pedestal device as described in claim 1, which is characterized in that the Horizontal limiting ring flat-plate with it is described
Top plate is used and is welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582727.3A CN108678183A (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582727.3A CN108678183A (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678183A true CN108678183A (en) | 2018-10-19 |
Family
ID=63810132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810582727.3A Pending CN108678183A (en) | 2018-06-07 | 2018-06-07 | A kind of anti-tension shock isolating pedestal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678183A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235660A (en) * | 2018-10-23 | 2019-01-18 | 北京市建筑设计研究院有限公司 | A kind of band can lift-off device laminated rubber damping bearing and its construction method |
| CN115787879A (en) * | 2022-12-21 | 2023-03-14 | 北京建筑大学 | Vertical lift-off adjustable shock insulation support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4117637A (en) * | 1975-10-14 | 1978-10-03 | William Henry Robinson | Cyclic shear energy absorber |
| CN102677774A (en) * | 2012-06-04 | 2012-09-19 | 无锡圣丰建筑新材料有限公司 | Double guidance type tensile anti-overturn shock-insulation rubber boot |
| CN204898880U (en) * | 2015-08-14 | 2015-12-23 | 中船第九设计研究院工程有限公司 | Spacing isolation bearing of hasp type tensile |
| CN105587037A (en) * | 2016-03-01 | 2016-05-18 | 云南震安减震科技股份有限公司 | Composite guide rail type tensile seismic isolating rubber support |
| CN106677368A (en) * | 2017-03-01 | 2017-05-17 | 北京建筑大学 | Anti-drawing rubber shock-insulating supporting seat with foamed aluminum core |
-
2018
- 2018-06-07 CN CN201810582727.3A patent/CN108678183A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4117637A (en) * | 1975-10-14 | 1978-10-03 | William Henry Robinson | Cyclic shear energy absorber |
| CN102677774A (en) * | 2012-06-04 | 2012-09-19 | 无锡圣丰建筑新材料有限公司 | Double guidance type tensile anti-overturn shock-insulation rubber boot |
| CN204898880U (en) * | 2015-08-14 | 2015-12-23 | 中船第九设计研究院工程有限公司 | Spacing isolation bearing of hasp type tensile |
| CN105587037A (en) * | 2016-03-01 | 2016-05-18 | 云南震安减震科技股份有限公司 | Composite guide rail type tensile seismic isolating rubber support |
| CN106677368A (en) * | 2017-03-01 | 2017-05-17 | 北京建筑大学 | Anti-drawing rubber shock-insulating supporting seat with foamed aluminum core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235660A (en) * | 2018-10-23 | 2019-01-18 | 北京市建筑设计研究院有限公司 | A kind of band can lift-off device laminated rubber damping bearing and its construction method |
| CN109235660B (en) * | 2018-10-23 | 2023-06-30 | 北京市建筑设计研究院有限公司 | Laminated rubber shock insulation support with lifting device and construction method thereof |
| CN115787879A (en) * | 2022-12-21 | 2023-03-14 | 北京建筑大学 | Vertical lift-off adjustable shock insulation support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108678183A (en) | A kind of anti-tension shock isolating pedestal device | |
| KR200473182Y1 (en) | Friction pendulum bearing | |
| CN203320395U (en) | X-shaped metal shock-absorbing device applicable to bridge structures and with limiting capability | |
| CN106088386A (en) | A kind of efficiently bridging damper arrangement mechanism | |
| CN105064389A (en) | Mutual pull and traction type self-resetting reinforced concrete frame column base joint | |
| CN202767240U (en) | Tensile laminated rubber seismic-isolation supporting seat | |
| CN204754248U (en) | Super high -rise building construction elevator regularization connects material platform | |
| CN206058484U (en) | Antidetonation suspension and support intelligence managing and control system | |
| CN208293777U (en) | A kind of anti-tension shock isolating pedestal device | |
| CN209308176U (en) | A kind of band can lift-off device laminated rubber damping bearing | |
| CN109235660B (en) | Laminated rubber shock insulation support with lifting device and construction method thereof | |
| CN204198298U (en) | A kind of column crane mast section connection structure | |
| CN107784800A (en) | Antidetonation suspension and support intelligence managing and control system | |
| CN204140759U (en) | A kind of guide rod bidirectional spring three-dimensional shock isolation pedestal | |
| JP2014189313A (en) | Seismic control plate device for low temperature tank | |
| CN103758141B (en) | The balance splitting method of Double-Wall Steel Boxed Cofferdam | |
| CN102797221B (en) | Slide bar type limit and vibration isolation support | |
| KR20110072412A (en) | Seismic isolating apparatus | |
| CN207032557U (en) | A kind of disconnected float type earthquake isolating equipment | |
| CN207111808U (en) | Overall shock isolation system rolls spacing/resetting means with end face | |
| CN209323543U (en) | A kind of protective net that can reduce later maintenance pressure-reducing cushioning device | |
| CN203257962U (en) | Extra-high voltage converter transformer shock insulating and limiting device | |
| CN210105036U (en) | Earthquake-resistant building wall | |
| CN108798170B (en) | Tensile shock insulation protection device, tensile shock insulation protection system and use method thereof | |
| CN205741913U (en) | Suspension cable clamping plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |