CN204852168U - Damping isolator for electric power facility - Google Patents
Damping isolator for electric power facility Download PDFInfo
- Publication number
- CN204852168U CN204852168U CN201520543272.6U CN201520543272U CN204852168U CN 204852168 U CN204852168 U CN 204852168U CN 201520543272 U CN201520543272 U CN 201520543272U CN 204852168 U CN204852168 U CN 204852168U
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- Prior art keywords
- plate
- electric power
- bearing
- power facility
- isolator
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- 238000013016 damping Methods 0.000 title claims abstract description 26
- 229910000978 Pb alloy Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 241000446313 Lamella Species 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The utility model provides a damping isolator for electric power facility, this isolator include the coaxial parallel arrangement's of horizontal direction roof, intermediate lamella, bottom plate, and per two adjacent inter -plates all are provided with support and locating part. This isolator is equipped with the stop device of vertical direction, the tensile displacement of restriction stromatolite support, avoid the support take place to exceed its the biggest tensile limit tensile distance and receive tension failure, prolong the life of isolator.
Description
Technical field
The utility model relates to a kind of shock-proof device, specifically relates to a kind of electric power facility damping isolator.
Background technique
The electric power facility of earthquake prone areas not only needs to have good technology arrangement, and needs to have good anti-seismic performance.Electric power facility arranges vibration damper, effectively can improve the anti-seismic performance of electric power facility.
The shock-proof device that structure and ground are isolated is comprised vibration isolator and energy-consumption damper.Vibration isolator has the ability of load and the opposing rigidity of bearing superstructure transmission.The horizontal rigidity of vibration isolator is less, and the relative displacement between superstructure and basis is larger, and the acceleration response of interlayer is then contrary with the relation of Seismic Isolation of Isolation Layer displacement.
At present, the vibration isolator extensively adopted is lamination bearing, and being superimposed by thin rubber sheet and sheet metal forms.During bearing pressurized, steel plate produces constraint to sheet rubber lateral deformation, makes it be out of shape very little, has very large vertical rigidity; When lamination bearing extends in tension, thin rubber sheet and steel-sheet surface of contact are easily torn, thus cause vibration isolator to lose efficacy.
Model utility content
For overcoming the above-mentioned defect that prior art exists, the utility model provides a kind of electric power facility damping isolator, vibration isolator comprises the bearing and bounding means that arrange between top board that substantially horizontal coaxially be arranged in parallel, intermediate plate, base plate, two adjacent plates, this vibration isolator is provided with the limit stoper of Vertical direction, the stretching displacement of restriction lamination bearing, avoid bearing exceed the stretching distance of its maximum tension limit and be subject to tension fracture, extend the working life of vibration isolator.
For realizing above-mentioned model utility object, the technological scheme that the utility model is taked is:
A kind of electric power facility damping isolator, vibration isolator comprises top board, intermediate plate, the base plate that substantially horizontal coaxially be arranged in parallel, is provided with bearing and bounding means between every two adjacent panels.
Preferably, bearing comprises the composite bed that cylindrical lead alloy core and coated sheet rubber and sheet metal are arranged alternately.
Preferably, bounding means comprises and is correspondingly respectively arranged at the inverted U-shaped lower position block and U-shaped upper limit position block that adjacent two plate upper surfaces and lower surface intersect vertically, and bounding means is located at inside bearing.
Limiting stopper is obtained by Plate Welding.
Preferably, top board, intermediate plate, base plate adopt the square plate of length of side correspondent equal, and the bearing quantity be arranged between every two adjacent panels is four.
Preferably, the bearing center connected between every two adjacent panels forms square, and square and top board, intermediate plate, base plate are coaxially arranged; The intersection point of bearing axis and plate is 1/10 ~ 1/5 of plate catercorner length apart from the most subapical distance of this plate.
Preferably, base plate is welded with fixed block, and fixed block is affixed by link with basis, and top board is provided with the link be connected with power equipment, and link is bolt.
Top board, intermediate plate, base plate are connected by link with bearing, and link is sunk screw.
Preferably, bounding means by link and base plate and top board affixed, bounding means and intermediate plate are welded to connect.
Preferably, upper limit position block lower surface and lower position block upper surface spacing are less than the minimum inefficacy elongation of bearing.
Preferably, base plate, intermediate plate, top board and limiting stopper carry out the zinc-plated process of surface derusting.
By structure (vibration source) and base isolation, thus reduce the impact of structural vibration for basis.
When bearing tension extends; the surface of contact of rubber and steel plate is easily torn and bearing was lost efficacy; the spacing of upper and lower limiting stopper is less than the minimum value of elongation when bearing lost efficacy; when bearing elongation that tension produces equals upper and lower spacing interblock distance; upper limit position block contacts with the top of lower position block; limit the further stretching of bearing, thus reach the effect of protection bearing.
With immediate prior art ratio, the beneficial effects of the utility model comprise:
1. the rubber damping vibration isolator in the utility model, adopt multilayer rubber damping damping support to be superimposed as parallel structure, reduce the horizontal rigidity of vibration isolator entirety, the relative displacement between ground and superstructure increases, and significantly improves the energy dissipation capacity of vibration isolator.
2. the rubber damping vibration isolator in the utility model, bearing adopts multilayer rubber and steel plate overlaying structure, during bearing pressurized, steel plate produces constraint to sheet rubber lateral deformation, make it be out of shape very little, have very large vertical rigidity, the Young's modulus of modular ratio rubber during multilayer rubber pressurized itself is much bigger, the alloy bar that centre adds can improve damping, and bearing not only has elasticity but also have high damping.
3. the rubber damping vibration isolator in the utility model, damper adopts new alloy material, and lead alloy intensity is large, hardness large, and ductility is close with pure lead rod, adopts the energy consumption effect of lead alloy rod obvious.
4. the rubber damping vibration isolator in the utility model, economizes in raw materials, and reduces costs, energy-conservation, environmental protection.
5. the rubber damping vibration isolator in the utility model, structure is simple, and make simple, low cost of manufacture, is easy to installation and maintenance.
6. the rubber damping vibration isolator in the utility model, is provided with the limit stoper of Vertical direction, and the stretching displacement of restriction lamination bearing, avoids bearing exceed the stretching distance of its maximum tension limit and be subject to tension fracture, extend the working life of vibration isolator.
Accompanying drawing explanation
Fig. 1 is the plan view of vibration isolator;
Fig. 2 is vibration isolator stereogram;
Fig. 3 is the stereogram of limit stoper;
Wherein (1) base plate, (2) bearing, (3) intermediate plate, (4) top board, (5) lower position block, (6) upper limit position block.
Embodiment
Below in conjunction with example, the utility model is described in detail.
Embodiment 1:
As shown in Figure 1, a kind of electric power facility damping isolator, vibration isolator comprises top board 4, intermediate plate 3, the base plate 1 that substantially horizontal coaxially be arranged in parallel, is provided with bearing 2 and bounding means between every two adjacent panels.
Preferably, bearing 2 comprises the composite bed that cylindrical lead alloy core and coated sheet rubber and sheet metal are arranged alternately.
Preferably, bounding means comprises and is correspondingly respectively arranged at the inverted U-shaped lower position block 5 and U-shaped upper limit position block 6 that adjacent two plate upper surfaces and lower surface intersect vertically, and bounding means is located at inside bearing 2.
Limiting stopper is obtained by Plate Welding.
Preferably, top board 4, intermediate plate 3, base plate 1 adopt the square plate of length of side correspondent equal, and bearing 2 quantity be arranged between every two adjacent panels is four.
Preferably, bearing 2 center connected between every two adjacent panels forms square, and square and top board 4, intermediate plate 3, base plate 1 are coaxially arranged; The intersection point of bearing 2 axis and plate is 1/10 of plate catercorner length apart from the most subapical distance of this plate.
Preferably, base plate 1 is welded with fixed block, and fixed block is affixed by link with basis, and top board 4 is provided with the link be connected with power equipment, and link is bolt.
Top board 4, intermediate plate 3, base plate 1 are connected by link with bearing 2, and link is sunk screw.
Lead alloy core is made up of the component of following mass percent: aluminium 0.05%, and surplus is plumbous and inevitable impurity.
Upper limit position block 66 lower surface and lower position block 55 upper surface spacing are less than the minimum inefficacy elongation of bearing 22.
Base plate 11, intermediate plate 33, top board 44 and limiting stopper carry out the zinc-plated process of surface derusting.
By structure (vibration source) and base isolation, thus reduce the impact of structural vibration for basis.
When bearing 22 elongation that tension produces equals upper and lower limiting stopper 55 spacing, upper limit position block 66 contacts with the top of lower position block 55, limits the further stretching of bearing 22, thus reaches the effect of protection bearing 22.
Embodiment 2:
Structure is consistent with embodiment 1, and connect bearing 22 center and form square, square center is positioned on the axis of plate; The intersection point of bearing 22 axis and plate is 1/5 of plate catercorner length apart from the most subapical distance of this plate.
Embodiment 3:
Structure is consistent with embodiment 1, and connect bearing 22 center and form square, square center is positioned on the axis of plate; The intersection point of bearing 22 axis and plate is 1/9 of plate catercorner length apart from the most subapical distance of this plate.
Embodiment 4:
Structure is consistent with embodiment 1,
Connect bearing 22 center and form square, square center is positioned on the axis of plate; The intersection point of bearing 22 axis and plate is 1/7 of plate catercorner length apart from the most subapical distance of this plate.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify to embodiment of the present utility model or equivalent replacement, and not departing from any amendment of the utility model spirit and scope or equivalent replacement, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. an electric power facility damping isolator, is characterized in that, described vibration isolator comprises top board, intermediate plate, the base plate that substantially horizontal coaxially be arranged in parallel, is provided with bearing and bounding means between every two adjacent panels.
2. a kind of electric power facility damping isolator as claimed in claim 1, is characterized in that: described bearing comprises the composite bed that cylindrical lead alloy core and coated sheet rubber and sheet metal are arranged alternately.
3. a kind of electric power facility damping isolator as claimed in claim 1, it is characterized in that: described bounding means comprises and is correspondingly respectively arranged at the inverted U-shaped lower position block and U-shaped upper limit position block that adjacent two plate upper surfaces and lower surface intersect vertically, and described bounding means is located at inside described bearing.
4. a kind of electric power facility damping isolator as claimed in claim 1, is characterized in that: described top board, intermediate plate, base plate adopt the square plate of length of side correspondent equal, and the described bearing quantity be arranged between every two adjacent panels is four.
5. a kind of electric power facility damping isolator as claimed in claim 4, is characterized in that: the bearing center connected between every two adjacent panels forms square, and described square and described top board, intermediate plate, base plate are coaxially arranged; The intersection point of described bearing axis and plate is 1/10 ~ 1/5 of described plate catercorner length apart from the most subapical distance of this plate.
6. a kind of electric power facility damping isolator as claimed in claim 1, it is characterized in that: described base plate is welded with fixed block, described fixed block is affixed by link with basis, described top board is provided with the link be connected with power equipment, and described top board, intermediate plate, base plate are connected by link with described bearing.
7. a kind of electric power facility damping isolator as claimed in claim 1, is characterized in that: described bounding means by link and base plate and top board affixed, described bounding means and intermediate plate are welded to connect.
8. a kind of electric power facility damping isolator as claimed in claim 3, is characterized in that: described upper limit position block lower surface and lower position block upper surface spacing are less than the minimum inefficacy elongation of bearing.
9. a kind of electric power facility damping isolator as claimed in claim 1, is characterized in that: described base plate, intermediate plate, top board and bounding means carry out the zinc-plated process of surface derusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543272.6U CN204852168U (en) | 2015-07-24 | 2015-07-24 | Damping isolator for electric power facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543272.6U CN204852168U (en) | 2015-07-24 | 2015-07-24 | Damping isolator for electric power facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852168U true CN204852168U (en) | 2015-12-09 |
Family
ID=54742718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520543272.6U Active CN204852168U (en) | 2015-07-24 | 2015-07-24 | Damping isolator for electric power facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156586A (en) * | 2015-07-24 | 2015-12-16 | 中国电力科学研究院 | Damping vibration isolator for electric power facilities |
| CN114016635A (en) * | 2021-12-10 | 2022-02-08 | 广州大学 | Modularized layer parallel three-dimensional shock isolation/vibration isolation support for vibration and vibration double control |
-
2015
- 2015-07-24 CN CN201520543272.6U patent/CN204852168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156586A (en) * | 2015-07-24 | 2015-12-16 | 中国电力科学研究院 | Damping vibration isolator for electric power facilities |
| CN114016635A (en) * | 2021-12-10 | 2022-02-08 | 广州大学 | Modularized layer parallel three-dimensional shock isolation/vibration isolation support for vibration and vibration double control |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |