CN201521587U - Limiting type composite shock absorber - Google Patents

Limiting type composite shock absorber Download PDF

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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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CN
China
Prior art keywords
steel bushing
type composite
elastic member
limit
connecting plate
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Expired - Lifetime
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CN2009202470398U
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Chinese (zh)
Inventor
卢智成
程永锋
王景朝
代泽兵
曹枚根
鲁先龙
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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China Electric Power Research Institute Co Ltd CEPRI
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Priority to CN2009202470398U priority Critical patent/CN201521587U/en
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Abstract

The utility model relates to a limiting composite shock absorber comprising a lead core, an elastic element, an upper steel jacket, a lower steel jacket, a shock absorbing cover and a connecting plate, wherein the upper end and the lower end of the lead core are provided with the upper steel jacket and the lower steel jacket respectively, the elastic element is installed between the upper steel jacket and the lower steel jacket, the shock absorbing cover is installed on the periphery of the upper steel jacket, the lead core and the lower steel jacket which are connected with each other from top to bottom, the upper steel jacket is connected with the upper end of the shock absorbing cover, the lower end of the lower steel jacket penetrates through the connecting plate and does free reciprocating movement on the connecting plate, and the connecting plate is connected with the lower end of the shock absorbing cover. The limiting composite shock absorber has excessive shock-proof defense lines, strong energy consumption capability, simple structure, more convenient maintenance, low cost and higher safety.

Description

A kind of limit-type composite damper
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)

1. limit-type composite damper, it comprises lead for retractable pencil (1), elastic member (2), on, following steel bushing (31,32), damping cover (4) and connecting plate (8), it is characterized in that: the two ends up and down of described lead for retractable pencil (1) are respectively equipped with steel bushing (31) and following steel bushing (32), described going up between steel bushing (31) and the following steel bushing (32) is provided with elastic member (2), steel bushing (31) on from top to bottom connecting, the periphery of steel bushing (32) was installed a damping cover (4) under lead for retractable pencil (1) reached, the described steel bushing (31) of going up links to each other with the upper end of damping cover (4), the lower end of following steel bushing (31) is passed a plate (8) and do free to-and-fro motion on connecting plate, and described connecting plate (8) links to each other with the lower end of damping cover (4).
2. limit-type composite damper as claimed in claim 1, it is characterized in that: 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), and described elastic member (2) is connected between the level board (6) and the limiting board (7) on the following steel bushing of steel bushing.
3. limit-type composite damper as claimed in claim 2 is characterized in that: be provided with an elastic member (2) between the limiting board (7) of the level board (6) of described upward steel bushing and following steel bushing upper end, this elastic member winding is around lead for retractable pencil (1).
4. limit-type composite damper as claimed in claim 2 is characterized in that: be provided with at least two elastic members (2) between the limiting board (7) on the described level board (6) of going up steel bushing and the following steel bushing, this elastic member evenly be installed in lead for retractable pencil (1) around.
5. as the arbitrary described limit-type composite damper of claim 1-4, it is characterized in that: described elastic member (2) is spring or ripple sheet material.
6. limit-type composite damper as claimed in claim 1 or 2 is characterized in that: the described lower end of steel bushing (32) down is equiped with link (9).
7. limit-type composite damper as claimed in claim 6 is characterized in that: described steel bushing (32) down is with link (9) welding or by being threaded.
8. limit-type composite damper as claimed in claim 1 is characterized in that: the lower end of described damping cover (4) is provided with outer convex edge (41), and described connecting plate (8) links to each other by connecting bolt (5) with outer convex edge (41).
CN2009202470398U 2009-11-16 2009-11-16 Limiting type composite shock absorber Expired - Lifetime CN201521587U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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 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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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

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Effective date: 20140307

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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

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100707