CN204753873U - Spacing protection device in shock insulation layer of shock insulation structure between layer - Google Patents
Spacing protection device in shock insulation layer of shock insulation structure between layer Download PDFInfo
- Publication number
- CN204753873U CN204753873U CN201520288160.0U CN201520288160U CN204753873U CN 204753873 U CN204753873 U CN 204753873U CN 201520288160 U CN201520288160 U CN 201520288160U CN 204753873 U CN204753873 U CN 204753873U
- Authority
- CN
- China
- Prior art keywords
- seismic isolation
- static housing
- isolation
- isolation layer
- limiting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model provides a spacing protection device in shock insulation layer of shock insulation structure between layer, include: fixation cabinet is provided with spacing unit on fixation cabinet, spacing unit includes: polished rod, high damping rubber bed course, nonlinear spring, limit baffle, support, high damping rubber bed course pastes on fixation cabinet's inside wall, and the polished rod passes the through -hole on high damping rubber bed course and the fixation cabinet and can slide back and forth, the one end at the polished rod is fixed to the baffle, and limit baffle fixes the other end at the polished rod, the spring housing between baffle and fixation cabinet's lateral wall, the one end of spring and baffle welded connection, the other end and fixation cabinet's lateral wall welded connection, limit baffle's bottom is provided with the support, and the bottom of support is provided with the pulley, and the pulley is located on fixation cabinet's bottom of the case board. Move the too big condition when taking place structure shock insulation level, the utility model discloses can make the within range of shock insulation layer displacement control in the permission betterly.
Description
Technical field
The utility model relates to engineering structures damping and technical field of isolation, particularly relates to a kind of Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation.
Background technology
Interlayer seismic isolation be a kind of effectively, the structural damping new technology of economy and practicable and new system.Structures with interlayer seismic isolation is due to the convenience in Structural Design construction, and the part superiority that base isolation of comparing exists, and makes it achieve significant progress nearly ten years, applies more and more extensive.But due to the randomness of earthquake motion, there is the possibility resonated with structure generation class in the low frequency part in seismic wave, causes the displacement of Seismic Isolation of Isolation Layer to exceed the permission limit displacement value of shock isolating pedestal, cause the destruction of Seismic Isolation of Isolation Layer.Especially, structures with interlayer seismic isolation is under Near-fault pulse type geological process, because the earthquake of Near-fault pulse type has long period, short when holding, high-octane velocity pulse motion, make structures with interlayer seismic isolation Seismic Isolation of Isolation Layer produce move larger relative storey displacement compared with Far-field earthquake, structures isolation effect layer is more easily subjected to displacement to transfinite and destroys, especially under the effect of Near-fault pulse rarely occurred earthquake, very likely shock isolating pedestal is caused to destroy because Seismic Isolation of Isolation Layer displacement is excessive, and shock isolating pedestal destruction causes Seismic Isolation of Isolation Layer superstructure total Collapse, therefore it is very important in allowed band to control Seismic Isolation of Isolation Layer displacement.
Number of patent application is 200510064461.6; utility model name is called that laminated rubber bases stiffness changing protective device provides a kind of Seismic Isolation of Isolation Layer limiting and protecting device; this device comprises static housing 1; static housing 1 has screw rod 6; one end of screw rod 6 is provided with slot 4, and the opposite of slot 4 is provided with plug 3.Due to the randomness of earthquake motion, when surmounting under the rarely occurred earthquake effect estimated (especially Near-source earthquake), when there is excessive relative storey displacement in Seismic Isolation of Isolation Layer (surmounting the maximum relative storey displacement estimated), spring 2 in casing can lose efficacy because of the excessive compressive strain of moment, and hard collision will be there is by slot 4 and static housing 1 in superstructure 12, thus very large percussion is produced to superstructure, very adverse influence is produced to Seismic Isolation of Isolation Layer superstructure.Therefore; it is comparatively applicable that laminated rubber bases stiffness changing protective device does not only surmount for the displacement of structures isolation effect layer the misalignment pre-estimated; but due to the randomness of earthquake motion; and when surmounting the rarely occurred earthquake estimated; when being especially Near-fault pulse earthquake; structures isolation effect layer will produce over-large displacement, thus this stiffness changing protective device cannot make Seismic Isolation of Isolation Layer Bit andits control in allowed limits.
Utility model content
The purpose of this utility model is the defect solving the existence of above-mentioned prior art, provides a kind of and still effectively can limit the Seismic Isolation of Isolation Layer limiting and protecting device of Seismic Isolation of Isolation Layer displacement in allowed band when structures isolation effect layer produces over-large displacement.
A Seismic Isolation of Isolation Layer limiting and protecting device for structures with interlayer seismic isolation, comprising: static housing, static housing is provided with position-limiting unit; Described position-limiting unit comprises: polished rod, high-damping rubber bed course, spring, postive stop baffle, support;
Described high-damping rubber bed course is attached on the inside wall of static housing, and polished rod also can slidably reciprocate through the through hole on high-damping rubber bed course and static housing; Baffle plate is fixed on one end of polished rod, and postive stop baffle is fixed on the other end of polished rod; Spring housing is between baffle plate and the lateral wall of static housing, and one end and the baffle plate of spring are welded to connect, and the lateral wall of the other end and static housing is welded to connect; The bottom of postive stop baffle is provided with support, and the bottom of support is provided with pulley, and pulley is seated on the box plate of static housing.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, described spring is Nonlinear Spiral spring.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, on a sidewall of static housing, correspondence is provided with at least 2 position-limiting units.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, its postive stop baffle of the position-limiting unit on same sidewall connect as one structure, high-damping rubber bed course integrally structure be attached on the inside wall of static housing.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, the position-limiting unit that two opposing sidewalls of static housing are arranged is symmetric.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, the position-limiting unit that two adjacent walls of static housing are arranged is symmetric.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, laminated rubber bases is provided with in static housing, the upper surface of described laminated rubber bases is fixed with upper junction plate, its soffit is fixed with lower connecting plate, and the top of upper junction plate is fixedly connected with upper pier stud by set bolt; The below of lower connecting plate is fixedly connected with lower pier stud by set bolt, and the underrun set bolt of static housing is fixedly connected with Seismic Isolation of Isolation Layer bottom superstructure.
Further, the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation as above, comprises stiffening rib, and one end of described stiffening rib is connected with the lateral wall of static housing, and the other end is fixedly connected with Seismic Isolation of Isolation Layer bottom superstructure.
The Seismic Isolation of Isolation Layer limiting and protecting device of the structures with interlayer seismic isolation that the utility model provides, the inside wall of static housing is glued with high-damping rubber bed course, when the displacement of structures isolation effect layer is excessive, Seismic Isolation of Isolation Layer props up pier stud and high-damping rubber bed course generation soft collision, avoids directly and position-limiting unit wall box occurs firmly to collide; And the Seismic input energy that high-damping rubber bed course can dissipate.It effectively can limit the maximum distortion of Seismic Isolation of Isolation Layer, thus can make Seismic Isolation of Isolation Layer Bit andits control in allowed limits, avoids the destruction of shock isolating pedestal.
Accompanying drawing explanation
Fig. 1 is the Seismic Isolation of Isolation Layer limiting and protecting device original state structure sectional view of the utility model structures with interlayer seismic isolation;
Fig. 2 is the Seismic Isolation of Isolation Layer limiting and protecting device state two structure sectional view of the utility model structures with interlayer seismic isolation;
Fig. 3 is the Seismic Isolation of Isolation Layer limiting and protecting device state three structure sectional view of the utility model structures with interlayer seismic isolation;
Fig. 4 is the Seismic Isolation of Isolation Layer limiting and protecting device top view of the utility model structures with interlayer seismic isolation;
Fig. 5 is Nonlinear Spiral spring spring filament diameter linear relationship chart.
Reference numeral:
1, static housing, 2, stiffening rib, 3, Nonlinear Spiral spring, 4, postive stop baffle, 5, rolling support, 6, high-damping rubber bed course, 7, screw rod, 8, nut, 9, baffle plate, 10, laminated rubber bases, 11, upper junction plate, 12, lower connecting plate, 13, above prop up pier stud, 14, pier stud is propped up down, 15, set bolt, 16, Seismic Isolation of Isolation Layer top superstructure, 17, Seismic Isolation of Isolation Layer bottom superstructure, 18, through hole.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below technical scheme in the utility model be clearly and completely described, obviously, described embodiment is 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.
Fig. 1 is the utility model Seismic Isolation of Isolation Layer limiting and protecting device original state structure sectional view, and as shown in Figure 1, the Seismic Isolation of Isolation Layer limiting and protecting device that the utility model provides, comprising: static housing 1, and static housing 1 is provided with position-limiting unit; Described position-limiting unit comprises: polished rod 7, high-damping rubber bed course 6, spring 3, postive stop baffle 4, support 5;
Described high-damping rubber bed course 6 is attached on the inside wall of static housing 1, and polished rod 7 also can slidably reciprocate through high-damping rubber bed course 6 and the through hole on static housing 1; Baffle plate 9 is fixed on one end of polished rod 7, and postive stop baffle 4 is fixed on the other end of polished rod 7; Spring 3 is enclosed between the lateral wall of baffle plate 9 and static housing 1, and one end and the baffle plate 9 of spring 3 are welded to connect, and the lateral wall of the other end and static housing 1 is welded to connect; The bottom of postive stop baffle 4 is provided with support 5, and the bottom of support 5 is provided with pulley, and pulley is seated on the box plate of static housing 1.In static housing 1, be provided with laminated rubber bases 10, the upper surface of described laminated rubber bases 10 is fixed with upper junction plate 11, and its soffit is fixed with lower connecting plate 12, and the top of upper junction plate 11 is fixedly connected with upper pier stud 13 by set bolt 15; The below of lower connecting plate 12 is fixedly connected with lower pier stud 14 by set bolt 15, and the underrun set bolt 15 of static housing 1 is fixedly connected with Seismic Isolation of Isolation Layer bottom superstructure 17.
Operating principle: as shown in Figure 1, original state, spring 3 is in free state, and the distance of above propping up between pier stud 13 and postive stop baffle 4 is d0, and the distance of above propping up between pier stud 13 and high-damping rubber bed course 6 is du, and the thickness of high-damping rubber bed course 6 itself is tp, when being subjected to displacement between structures isolation effect layer, suppose that Seismic Isolation of Isolation Layer top superstructure 16 is relative to move right, Seismic Isolation of Isolation Layer top superstructure 16 moves right and drives a upper pier stud 13 to move right, a upper pier stud 13 moves right and just drives upper junction plate 11 to move right, make the distortion that its shock isolating pedestal 10 occurs to the right, when the relative displacement that upper pier stud 13 moves right is greater than d0, a upper pier stud 13 collides postive stop baffle 4, the spring 3 be enclosed within polished rod 7 is stretched gradually, as shown in Figure 2, now, nonlinear spring 3 produces restoring force due to stretching, this restoring force will order about postive stop baffle 4 to upper pier stud 13 1 power left, thus reduce the upper relative displacement of propping up pier stud 13 and occurring to the right, and after spacing by nonlinear spring, when upper pier stud 13 relative displacement to the right is still greater than du (as shown in Figure 3), a upper pier stud 13 will be collided by the sidewall of high-damping rubber bed course 6 with static housing 1, now, a upper pier stud 13, can continue to move right by the upper pier stud 13 of restriction with under the double action of high-damping rubber bed course 6 at nonlinear spring 3 further.The utility model utilizes spring 3 to replace common spring, more effectively can control the relative displacement that a pier stud 13 occurs to the right.Set up high-damping rubber bed course 6, on the one hand, high-damping rubber bed course 6 produces the restoring force reducing upper pier stud 13 displacement to the right because of compression; On the other hand, slow down the hard impact force produced when postive stop baffle 4 collides with static housing 1 sidewall between the two, the maximum relative displacement simultaneously limiting a pier stud 13 is no more than du+tp, avoids the damage of shock isolating pedestal 10.
Further; Seismic Isolation of Isolation Layer limiting and protecting device as above; described spring 3 is Nonlinear Spiral spring, and as shown in Figure 5, the diameter of this Nonlinear Spiral spring is diminishing trend from the middle to both ends to the spring filament diameter linear relationship of this Nonlinear Spiral spring.
The utility model adopts Nonlinear Spiral spring to replace common spring, makes it possible to limit Seismic Isolation of Isolation Layer distortion better.Because Nonlinear Spiral spring provides nonlinear restoring force, improve the dynamic characteristics of structure.
The Seismic Isolation of Isolation Layer limiting and protecting device of the structures with interlayer seismic isolation that the utility model provides, has carried out the spacing measure of shock insulation from two aspects, that is: on the one hand, adopt Nonlinear Spiral spring to provide nonlinear restoring force, and it is spacing to carry out Seismic Isolation of Isolation Layer; Simultaneously, on the other hand, by being close to high-damping rubber bed course on the inside wall of static housing, to carry out Seismic Isolation of Isolation Layer spacing, when the displacement of structures isolation effect layer is excessive, Seismic Isolation of Isolation Layer props up pier stud and high-damping rubber bed course generation soft collision, avoids directly and position-limiting unit wall box occurs firmly to collide; And the Seismic input energy that high-damping rubber bed course can dissipate.It effectively can limit the maximum distortion of Seismic Isolation of Isolation Layer, thus can make Seismic Isolation of Isolation Layer Bit andits control in allowed limits, avoids the destruction of shock isolating pedestal.
Further, Seismic Isolation of Isolation Layer limiting and protecting device as above, each sidewall of static housing 1 is provided with at least 2 position-limiting units, as shown in Figure 4, the present embodiment on four sidewalls of static housing 1 respectively correspondence be provided with 2 position-limiting units, totally 8 position-limiting units, wherein, the position-limiting unit line centered by the diagonal of static housing 1 on adjacent two sidewalls is symmetric; Position-limiting unit line centered by the broken line of two sidewalls on two relative sidewalls is symmetric; The postive stop baffle 4 of two position-limiting units wherein on a sidewall connects as one structure, and high-damping rubber bed course 6 be also entirety be structure as a whole be attached to static housing 1 inside wall on.
The utility model can change the nonlinear spring 3 of different-stiffness to adapt to different rigidity requirement.Also the different-stiffness demand of shock isolating pedestal 10 can be met by arranging multiple position-limiting unit on the sidewall of static housing 1.
The Seismic Isolation of Isolation Layer limiting and protecting device that the utility model provides, can play Seismic Isolation of Isolation Layer limit function from any one direction, thus play a protective role to Seismic Isolation of Isolation Layer.
Further, Seismic Isolation of Isolation Layer limiting and protecting device as above, also comprises stiffening rib 2, on each lateral wall of static housing 1 and between Seismic Isolation of Isolation Layer bottom superstructure 17, be all connected with stiffening rib 2.
The utility model can stop the distortion of static housing 1 sidewall effectively by stiffening rib 2, thus jointly limits the maximum distortion of Seismic Isolation of Isolation Layer by static housing 1 sidewall and stiffening rib 2, makes the maximum distortion of Seismic Isolation of Isolation Layer be no more than du+tp.
The Seismic Isolation of Isolation Layer limiting and protecting device that the utility model provides, is not only applicable to the situation that Seismic Isolation of Isolation Layer displacement is less, and is more applicable for the situation that Seismic Isolation of Isolation Layer displacement is comparatively large, impact force is larger.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a Seismic Isolation of Isolation Layer limiting and protecting device for structures with interlayer seismic isolation, is characterized in that, comprising: static housing (1), and static housing (1) is provided with position-limiting unit; Described position-limiting unit comprises: polished rod (7), high-damping rubber bed course (6), spring (3), postive stop baffle (4), support (5);
Described high-damping rubber bed course (6) is attached on the inside wall of static housing (1), and polished rod (7) also can slidably reciprocate through high-damping rubber bed course (6) and the through hole on static housing (1); Baffle plate (9) is fixed on one end of polished rod (7), and postive stop baffle (4) is fixed on the other end of polished rod (7); Spring (3) is enclosed between the lateral wall of baffle plate (9) and static housing (1), one end and the baffle plate (9) of spring (3) are welded to connect, and the lateral wall of the other end and static housing (1) is welded to connect; The bottom of postive stop baffle (4) is provided with support (5), and the bottom of support (5) is provided with pulley, and pulley is seated on the box plate of static housing (1).
2. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 1, is characterized in that, described spring (3) is Nonlinear Spiral spring.
3. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 1 and 2, is characterized in that, on a sidewall of static housing (1), correspondence is provided with at least 2 position-limiting units.
4. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 3; it is characterized in that, its postive stop baffle of the position-limiting unit on same sidewall (4) connect as one structure, high-damping rubber bed course (6) integrally structure be attached on the inside wall of static housing (1).
5. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 3, is characterized in that, the position-limiting unit that two opposing sidewalls of static housing (1) are arranged is symmetric.
6. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 3, is characterized in that, the position-limiting unit that two adjacent walls of static housing (1) are arranged is symmetric.
7. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 1, it is characterized in that, laminated rubber bases (10) is provided with in static housing (1), the upper surface of described laminated rubber bases (10) is fixed with upper junction plate (11), its soffit is fixed with lower connecting plate (12), and the top of upper junction plate (11) is fixedly connected with upper pier stud (13) by set bolt (15); The below of lower connecting plate (12) is fixedly connected with lower pier stud (14) by set bolt (15), and the underrun set bolt (15) of static housing (1) is fixedly connected with Seismic Isolation of Isolation Layer bottom superstructure (17).
8. the Seismic Isolation of Isolation Layer limiting and protecting device of structures with interlayer seismic isolation according to claim 7; it is characterized in that; comprise stiffening rib (2); one end of described stiffening rib (2) is connected with the lateral wall of static housing (1), and the other end is fixedly connected with Seismic Isolation of Isolation Layer bottom superstructure (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288160.0U CN204753873U (en) | 2015-05-06 | 2015-05-06 | Spacing protection device in shock insulation layer of shock insulation structure between layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288160.0U CN204753873U (en) | 2015-05-06 | 2015-05-06 | Spacing protection device in shock insulation layer of shock insulation structure between layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204753873U true CN204753873U (en) | 2015-11-11 |
Family
ID=54468596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520288160.0U Expired - Fee Related CN204753873U (en) | 2015-05-06 | 2015-05-06 | Spacing protection device in shock insulation layer of shock insulation structure between layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204753873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831827A (en) * | 2015-05-06 | 2015-08-12 | 福建工程学院 | Isolation layer limit protective device of inter-layer seismic isolation structure |
-
2015
- 2015-05-06 CN CN201520288160.0U patent/CN204753873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831827A (en) * | 2015-05-06 | 2015-08-12 | 福建工程学院 | Isolation layer limit protective device of inter-layer seismic isolation structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103276829B (en) | Shock-insulation supporting base composed of steel board rubber, mild steel and lead and capable of achieving three-stage energy consumption | |
| CN110206184B (en) | Compound shock attenuation grading yield damper | |
| CN212772937U (en) | Damping device of high-rise building structure | |
| CN205088814U (en) | Building engineering is with buffering steel casting that takes precautions against earthquakes | |
| KR101752842B1 (en) | Power receiving and distributing board having earth-quake-proof function | |
| CN106759927A (en) | A kind of tandem type laminated rubber spring three-dimensional compounded shock isolating pedestal | |
| CN203320721U (en) | Three-stage energy dissipation shock insulation support composed of steel board rubber, soft steel and lead | |
| CN109898564B (en) | Multi-dimensional shock isolation device for building | |
| CN204753873U (en) | Spacing protection device in shock insulation layer of shock insulation structure between layer | |
| CN104831827A (en) | Isolation layer limit protective device of inter-layer seismic isolation structure | |
| CN204570449U (en) | A kind of Bridge Seismic buffer structure | |
| CN213203769U (en) | Bridge antidetonation bearing structure | |
| CN105313812A (en) | Automobile anti-collision buffering device | |
| CN201991986U (en) | Vibration ageing supporting device for vibration attenuation | |
| CN103195854A (en) | Earthquake-isolation energy dissipator for ultra-high-voltage converter transformer | |
| CN104674646A (en) | Shock absorption structure of bridge and manufacturing method thereof | |
| CN210831109U (en) | Anti-vibration base for mining machinery | |
| CN106402264A (en) | Shock absorbing seat for mining machine | |
| CN208152669U (en) | A kind of building construction with cushioning effect | |
| KR101757708B1 (en) | Switchboard having earthquake proof device | |
| CN102644336B (en) | Metal damper with restraining devices | |
| CN105544760A (en) | Suspension type coal bunker damping structure improving heat-engine plant main workshop antivibration performance | |
| CN204850125U (en) | Plumbous compound attenuator of mild steel | |
| CN212258075U (en) | Multidimensional damping type intelligent Internet of things power distribution cabinet | |
| CN214117075U (en) | Damping device of civil engineering structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |