CN201521587U - A limit type composite shock absorber - Google Patents
A limit type composite shock absorber Download PDFInfo
- Publication number
- CN201521587U CN201521587U CN2009202470398U CN200920247039U CN201521587U CN 201521587 U CN201521587 U CN 201521587U CN 2009202470398 U CN2009202470398 U CN 2009202470398U CN 200920247039 U CN200920247039 U CN 200920247039U CN 201521587 U CN201521587 U CN 201521587U
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- Prior art keywords
- steel sleeve
- shock absorber
- connecting plate
- limiting
- lower steel
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- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 230000035939 shock Effects 0.000 title claims abstract description 17
- 239000006096 absorbing agent Substances 0.000 title claims abstract 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 230000007123 defense Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000272194 Ciconiiformes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本实用新型涉及一种限位式复合减震器，包括铅芯，弹性部件，上钢套，下钢套，减震罩及连接板，所述铅芯的上下两端分别设有上钢套和下钢套，所述上钢套与下钢套之间设有弹性部件，在由上至下连接的上钢套、铅芯及下钢套的外周装设一减震罩，所述上钢套与减震罩的上端相连，下钢套的下端穿过一连接板并在连接板上作自由往复运动，所述连接板与减震罩的下端相连。本实用新型的复合减震器的抗震防线多，耗能能力强，构造简单，维修更加方便，成本低廉，具有更高的安全性。
The utility model relates to a position-limiting composite shock absorber, which comprises a lead core, an elastic component, an upper steel sleeve, a lower steel sleeve, a shock absorbing cover and a connecting plate, and the upper and lower ends of the lead core are respectively provided with an upper steel sleeve and the lower steel sleeve, elastic parts are arranged between the upper steel sleeve and the lower steel sleeve, and a shock absorbing cover is installed on the outer circumference of the upper steel sleeve, lead core and lower steel sleeve connected from top to bottom, and the upper The steel sleeve is connected with the upper end of the shock-absorbing cover, and the lower end of the lower steel sleeve passes through a connecting plate and freely reciprocates on the connecting plate, and the connecting plate is connected with the lower end of the shock-absorbing cover. The composite shock absorber of the utility model has many anti-seismic defense lines, strong energy consumption capacity, simple structure, more convenient maintenance, low cost and higher safety.
Description
Technical field
The utility model relates to a kind of electric power facility engineering field, particularly relates to a kind of limit-type composite damper.
Background technique
China is many earthquakes country, and the electric power facility of seismic region not only needs good technology arrangement, and need have good antidetonation shock attenuation performance.And in damping control system, crucial technology is that some vibration dampers are set at some positions, and the good vibration damper of development performance is very crucial.
Zelanian Robinson W H has developed plumbous extruding vibration damper; Zelanian Penguin Engineering company has developed plumbous shearing vibration damper; Japan Sakurai company has developed plumbous node vibration damper; People such as the Whittaker of the U.S. and Tsai have studied the characteristic of X steel plate and triangular steel plate vibration damper, and have been applied in the san francisco, usa Ascismic strengthening of buildings; Canadian Pall and Marsh have studied a kind of bi-directional friction device and have been used for Canadian many buildings building; Professor Ou Jinping of Harbin Institute of Technology waits on the advantage basis that absorbs general steel plate vibration damper and Pall friction damper and has proposed the combined steel plate vibration damper.Marmem has characteristics such as superelasticity, high damping and sudden change of resistivity because have shape memory effect under different ambient temperatures, and it has been subjected to engineering circle experts and scholars and has paid close attention to greatly in the power consumption parts are used.Professors Zhou Fulin etc. have proposed the thought of " comprehensive utilization different power consumption principle or mechanism design the novel energy-consumption shock-absorbing device ", and have researched and developed lead viscoelastic vibration damper, plumbous rubber combined vibration damper, elastoplasticity hysteresis-friction composite damper, elastoplasticity hysteresis-Viscoelastic Composite vibration damper, friction-Viscoelastic Composite vibration damper, fluid-Viscoelastic Composite vibration damper.Above Yan Jiu composite damper, although can fully utilize two or more Energy Dissipation Mechanism, stronger energy dissipation capacity is provided, but they still all exist the following problem that does not overcome: cost of material height or structure connect complicated, maybe can not give full play to the material self performance, and problem such as the vibration damper anti-vibration defense lines is few.
For the ease of applying composite damper, satisfying under the condition of energy dissipation capacity,, structure cheap relatively except the cost cost of needs vibration damper own connects simple relatively, it is more also need to satisfy anti-vibration defense lines, it is the higher demand of vibration damper margin of safety, for this reason, exigence is developed a kind of composite damper that overcomes above-mentioned defective.
The model utility content
In order to overcome defective of the prior art, the utility model proposes a kind of simple structure, the higher limit-type composite damper of margin of safety.
For this reason, the utility model proposes a kind of limit-type composite damper, it comprises lead for retractable pencil, elastic member, last steel bushing, following steel bushing, damping cover and connecting plate, the two ends up and down of wherein said lead for retractable pencil are respectively equipped with steel bushing and following steel bushing, described going up between steel bushing and the following steel bushing is provided with elastic member, connect from top to bottom steel bushing, lead for retractable pencil and under the periphery of steel bushing install a damping cover, described upward steel bushing links to each other with the upper end of damping cover, the lower end of following steel bushing is passed a plate and do free to-and-fro motion on connecting plate, and described connecting plate links to each other with the lower end of damping cover.
Wherein, described lower end of going up steel bushing is provided with a level board, and the two ends up and down of following steel bushing are equipped with a limiting board, and described elastic member is connected between the level board and the limiting board on the following steel bushing of steel bushing.
Wherein, be provided with an elastic member between the limiting board of the level board of described upward steel bushing and following steel bushing upper end, this elastic member winding is around lead for retractable pencil.
Wherein, be provided with at least two elastic members between the limiting board on the described level board of going up steel bushing and the following steel bushing, this elastic member evenly be installed in lead for retractable pencil around.
Wherein, described elastic member is spring or ripple sheet material.
Wherein, the described lower end of steel bushing down is equiped with link.
Wherein, described steel bushing down is with the link welding or by being threaded.
Wherein, the lower end of described damping cover is provided with outer convex edge, and described connecting plate links to each other by connecting bolt with outer convex edge.
The beneficial effects of the utility model are:
1) each member connection structure of composite damper described in the utility model is simple, and this different materials of the mild steel that limiting board, lead for retractable pencil and elastic member adopted, lead and alloyed steel obtains easily, and cost is comparatively cheap.
2) composite damper of the present utility model is given full play to the elasticity and the higher flexibility of lead for retractable pencil of spring; ductility; utilize the plastic deformation energy dissipation of lead for retractable pencil and the elastic reset function of spring; reach and consume the energy of under the geological process building being imported; reduce earthquake response; when suffering from lead for retractable pencil and spring are all deactivated behind the state; limiting board can spacingly avoid the vibration damper joint to become no control state; thereby better protect the safety of personnel and equipment in the electric power facility; in addition; this combined vibration-damping device to have satisfied anti-vibration defense lines many; the requirement that energy dissipation capacity is strong has more improved margin of safety.
Description of drawings
Fig. 1 is the overall structure schematic representation of composite damper described in the utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Wherein, 1-lead for retractable pencil, 2-spring, the last steel bushing of 31-, steel bushing under the 32-, 4-damping cover, the outer convex edge of 41-, 5-connecting bolt, 6-level board, 7-limiting board, 8-connecting plate, 9-pre-embedded bolt.
Embodiment
Below in conjunction with accompanying drawing limit-type composite damper of the present utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the described limit-type composite damper of this example comprises lead for retractable pencil 1, spring 2, steel bushing 3, damping cover 4, connecting bolt 5, level board 6, limiting board 7, connecting plate 8 and pre-embedded bolt 9, the upper and lower end of described lead for retractable pencil 1 is provided with steel bushing 31 and following steel bushing 32 respectively, described lower end of going up steel bushing 31 is provided with a level board 6, the two ends up and down of following steel bushing 32 are equipped with a limiting board 7, be connected with vertically disposed elastic member 2 between the limiting board 7 of described level board 6 and following steel bushing upper end, steel bushing 31 on connecting from top to bottom, the periphery of steel bushing 32 was installed a damping cover 4 under lead for retractable pencil 1 reached, and the inner tip of the upper end of last steel bushing 31 and damping cover 4 realizes that by welding it is rigidly connected, the lower end of following steel bushing 32 is passed the middle hole of connecting plate 8 and do the easy on and off to-and-fro motion on connecting plate 8, fixedlys connected with connecting plate by connecting bolt 5 in the outer convex edge 41 of damping cover 4 lower ends.The lower end of following steel bushing is by being threaded or being welded with link 9, and link 9 can adopt the screw rod of smooth surface or have externally threaded bolt.
Described level board 6 and following steel bushing upper end spacing can be provided with one or more elastic members 2 between pulling 7, and when being provided with an elastic member 2, this elastic member winding is around lead for retractable pencil 1; When being provided with two above elastic members 2, this elastic member 2 be installed in uniformly lead for retractable pencil 1 around, described elastic member 2 is good with spring or the ripple sheet material that adopts alloy steel material to make, and adopts two vertical springs to be set in parallel in the both sides of lead for retractable pencil 1 in this example.The level board 6 of described upward steel bushing lower end and following the steel bushing limiting board 7 at two ends up and down are prepared as good to adopt mild steel material, the described down steel bushing limiting board 7 at two ends had up and down both played certain design variations of exceeding elastic member 2 and spacing function, and the upper end limiting board plays the function that connects elastic member 2 again simultaneously.
Composite damper of the present utility model is an example to be applied in the concrete foundation, according to said structure composite damper is assembled, then link 9 (adopting bolt in this example) is embedded in the concrete foundation, the following steel bushing by composite damper 32 is tightened with link 9 and is got final product at last.
Composite damper of the present utility model utilizes the self performance (being the tension and compression plasticity power consumption of lead for retractable pencil 1, the elastic reset function that adopts the elastic member that alloy steel material makes and the limit function of the limiting board 7 that mild steel material is made) of three parts, has realized that whole vibration damper is with low cost, simple structure and safe effect.This composite damper not only can be applied in the concrete foundation, also may be used in other structure or equipment of electric power facility engineering.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202470398U CN201521587U (en) | 2009-11-16 | 2009-11-16 | A limit type composite shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202470398U CN201521587U (en) | 2009-11-16 | 2009-11-16 | A limit type composite shock absorber |
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| Publication Number | Publication Date |
|---|---|
| CN201521587U true CN201521587U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202470398U Expired - Lifetime CN201521587U (en) | 2009-11-16 | 2009-11-16 | A limit type composite shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521587U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967159A (en) * | 2014-04-16 | 2014-08-06 | 江苏科技大学 | Energy dissipation component arranged in axial direction of inhaul cable |
| CN107192539A (en) * | 2016-03-14 | 2017-09-22 | 中国电力科学研究院 | A kind of damper military service monitoring warning device |
| WO2020118577A1 (en) * | 2018-12-11 | 2020-06-18 | 钱思愉 | Civil engineering anti-seismic structure |
| CN113882732A (en) * | 2021-09-14 | 2022-01-04 | 北京工业大学 | SMA spring-X shaped steel plate combined type damper |
| CN114059580A (en) * | 2021-11-08 | 2022-02-18 | 北京九州一轨环境科技股份有限公司 | Equipment vibration reduction horizontal limiter and construction method thereof |
-
2009
- 2009-11-16 CN CN2009202470398U patent/CN201521587U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967159A (en) * | 2014-04-16 | 2014-08-06 | 江苏科技大学 | Energy dissipation component arranged in axial direction of inhaul cable |
| CN103967159B (en) * | 2014-04-16 | 2016-03-02 | 江苏科技大学 | A kind of dissipative cell axial arranged along drag-line |
| CN107192539A (en) * | 2016-03-14 | 2017-09-22 | 中国电力科学研究院 | A kind of damper military service monitoring warning device |
| CN107192539B (en) * | 2016-03-14 | 2020-01-17 | 中国电力科学研究院 | A shock absorber service monitoring and early warning device |
| WO2020118577A1 (en) * | 2018-12-11 | 2020-06-18 | 钱思愉 | Civil engineering anti-seismic structure |
| CN113882732A (en) * | 2021-09-14 | 2022-01-04 | 北京工业大学 | SMA spring-X shaped steel plate combined type damper |
| CN114059580A (en) * | 2021-11-08 | 2022-02-18 | 北京九州一轨环境科技股份有限公司 | Equipment vibration reduction horizontal limiter and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140307 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140307 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140307 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100707 |
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| CX01 | Expiry of patent term |