CN106207798A - Towering porcelain knob type electrical equipment pendulum-type damping device - Google Patents
Towering porcelain knob type electrical equipment pendulum-type damping device Download PDFInfo
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- CN106207798A CN106207798A CN201610828416.1A CN201610828416A CN106207798A CN 106207798 A CN106207798 A CN 106207798A CN 201610828416 A CN201610828416 A CN 201610828416A CN 106207798 A CN106207798 A CN 106207798A
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- electrical equipment
- towering
- porcelain knob
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Towering porcelain knob type electrical equipment pendulum-type damping device, belongs to electrical equipment fixing device technical field.The present invention solves the tradition shock isolating pedestal problem for towering porcelain knob type electrical equipment damping effect that failure mode is flexure type difference.Concave surface sliding tray of the present invention fixes on the ground, and in order to slide, perpendicular support provides sliding trace；Fixing perpendicular support provides installation site for spring and antivibrator, and provides vertical and the support of horizontal direction for horizontal support；Spring and antivibrator are fixed on fixing perpendicular support and slide between perpendicular support；The perpendicular outer convex arc surface supportted of sliding contacts with the slip cambered surface of downward concave curved, and the top of perpendicular support of sliding is used for supporting towering porcelain knob type electrical equipment, and the inner of horizontal support is connected with concave surface ring-shaped slide groove；Horizontal support provides fixed position for concave surface ring-shaped slide groove；Concave surface ring-shaped slide groove provides the space slided for convex surface ring-type fixing plate；Convex surface ring-type fixing plate is used for fixing towering porcelain knob type electrical equipment.The present invention is used for towering porcelain knob type electrical equipment damping.
Description
Technical field
The present invention relates to a kind of pendulum-type damping device, be specifically related to a kind of towering porcelain knob type electrical equipment pendulum-type damping dress
Put, belong to electrical equipment fixing device technical field.
Background technology
Earthquake disaster has sudden and crushing, and the safety of life and property of the mankind in serious threat.Porcelain knob type is electric
Equipment is applied widely in power system, and along with the development of power industry, the grade of power transmission and transforming equipment is more and more higher,
Especially superhigh voltage DC power transmission and transforming equipment is increasingly with fine and soft for high voltage electric equipment, and top quality is increasing, to its antidetonation
The requirement of performance is higher.In all previous macroseism both domestic and external, porcelain knob type electrical equipment earthquake is the most serious, it is ensured that porcelain knob type is electric
Equipment normal work under geological process is most important to guarantee safe operation of power system.
Damage type mainly insulator end in porcelain knob type electrical equipment earthquake is broken and leakage of oil.For this situation
Problem, lot of domestic and international scholar takes different measures to improve its anti-seismic performance.Have is come by measures such as bracing wire reinforcings
Improving lateral rigidity, have arranges metal damper to the seismic energy that dissipates at lower bracket, has employing base isolation technology
By input earthquake and electrical equipment isolation, also have and use tuned mass damper cushion technique；But said apparatus is in reality
Border yet suffers from a lot of problem in using, and damping effect is undesirable, needs to be improved further.
Analyze the advantage that the present invention compares with traditional porcelain column type electrical equipment shock-dampening method in detail below.Existing method is main
There are stay-supported shock-dampening method, metal damper shock-dampening method, base isolation technical shock method, insulated full-enclosed formula combined electrical apparatus
Power distribution equipment shock-dampening method, multiple ring type tuned mass damper damping device.
(1) stay-supported shock-dampening method: the present invention is static(al) method for strengthening.Equipment opposing water is improved by increasing superfluous constraint
The ability of level land brisance.The principle of the invention is simply clear, but this reinforcing mode is easily fixed at pull bar or bracing wire in earthquake
Position is damaged, and forms new weak link, simultaneously as the mounting means of bracing wire and the requirement of electric insulation, the present invention couple
Space requirement is big.
(2) lead alloy damper shock-dampening method: by installing metal damping shock absorber, change the frequency of equipment, increase
The damping of equipment, reduces the earthquake response of equipment.The method has some application at home at present, and Zhang Xuesong " installs at article
The 220kV chopper shaketalle test of NEW Pb amortisseur " give the shaketalle test result of this amortisseur, result shows
Novel lead alloy damper can reduce acceleration and the displacement at chopper top, and bottom porcelain bushing shell maximum strain can reduce
More than 50%.But the earthquake motion that the method is enriched for long period composition and this two class of the Near-field ground motion containing velocity pulse are special
The damping effect of different earthquake motion is relatively weak.
(3) totally enclosed type combined electrical apparatus power distribution equipment (GIS) shock-dampening method: different from ordinary distribution device, GIS is by open circuit
The elements such as device, disconnecting switch, quickly or at a slow speed earthed switch, current transformer, spark gap, bus, by closed composition, add
Being contained in the storehouse of SF6 gas of a full certain pressure, in electric insulation can rely on storehouse, SF6 gas ensures, SF6 gas is simultaneously
Also the effect of arc-extinguishing medium is played.The superiority of the present invention is a lot, and floor space is little, and equipment arranges that center of gravity is low, the most also should
More and more.But GIS up-front investment is big, it is 30-40 times of distributing element investment；And GIS combination electric appliance once occurs
Fault, consequence is more serious than open type transformer station much；Meanwhile, the leakage of sulfur tetrafluoride gas will also result in corresponding environment etc.
Problem.
(4) foundation shock insulation method: by changing equipment supporting condition, the natural vibration period of extension device, avoid earthquake motion
Predominant period section, thus reduce top equipment dynamic response under earthquake motion effect.The present invention has greatly in building structure field
The application example of amount, technology maturation.But there is two shortcomings, towering porcelain knob type electricity to towering porcelain knob type electrical equipment in this method
The natural frequency of vibration of gas equipment itself is smaller, and the damping effect after shock insulation is inconspicuous.Base isolation is more suitable for
The building structure that shearing-type destroys, the towering porcelain knob type electrical equipment effect destroying flexure type is poor.
(5) porcelain knob type electrical equipment damping device based on tuned mass damper principle: the present invention uses tuning quality
Antivibrator principle, advantage is low cost, and clear principle increases top displacement unlike base isolation, can reduce simultaneously on
The acceleration of portion's structure and dynamic respond.Shortcoming is that vibration frequency composition is very sensitive over the ground, and damping effect is with the change of earthquake motion
Change and obvious difference, between damping device actual control frequency and theoretially optimum value, there may be deviation.
Towering porcelain knob type electrical equipment vibration prevention ability extreme difference, but it is because the requirement of equipment electronic functionality, its top shape
Shape and material not malleable.The present invention, according to the Failure type (flexure type destruction) of porcelain knob shape electrical equipment, is bent by release
The method of degree of freedom, devises coilable pendulum-type damping device.Additionally, towering porcelain knob type electrical equipment is respectively mounted certain altitude
Concrete column top, the present invention is not on the premise of changing equipment setting height(from bottom) and shaped upper part, by change into bottom concrete column can
Movable cambered surface, by centre of twist point device in the position of distance ground certain altitude, reduces equipment and concrete column composition
Overall focus point distance reverses the distance of point, adds the stability of equipment, and makes equipment that identical windup-degree occur
Time, the horizontal displacement at equipment top is less.The damping rate of the present invention can be set by the parameter adjusting spring and antivibrator
Put, different types of earthquake motion adaptability is all showed stable.
Comparing with bracing wire reinforcement means, this method is little to its upper side interference, little to space requirement, will not be formed new thin
Weak position；Comparing with metal damping shock absorption method, this method stability is more preferable, and the sensitivity of vibration frequency composition is more over the ground
Low；Compare with the foundation shock insulation method of emission levels degree of freedom, the porcelain knob type electrical equipment that this method is destroyed for flexure type
Damping effect becomes apparent from；Comparing with multiple ring type tuned mass damper damping device, the stability of the present invention is more preferable, damping
Amplitude is higher.
Summary of the invention
The brief overview about the present invention given below, in order to provide about certain aspects of the invention is basic
Understand.Should be appreciated that this general introduction is not that the exhaustive about the present invention is summarized.It is not intended to determine the pass of the present invention
Key or pith, nor is it intended to limit the scope of the present invention.Its purpose is only to provide some concept in simplified form,
In this, as the preamble in greater detail discussed after a while.
In consideration of it, according to an aspect of the present invention, it is contemplated that a kind of towering porcelain knob type electrical equipment pendulum-type is proposed
Damping device, to solve the translational degree of freedom at traditional shock isolating pedestal release bearing, is the building knot destroyed for curved scissors type
Structure design, for the problem of towering porcelain knob type electrical equipment damping effect that failure mode is flexure type difference.
The towering porcelain knob type electrical equipment pendulum-type damping device of the present invention, including concave surface sliding tray, multiple antivibrator, multiple
Spring, multiple fixing perpendicular support, slip perpendicular support, multiple horizontal support, concave surface ring-shaped slide groove, convex surface ring-type fixing plate；
The bottom surface of described concave surface sliding tray is plane, and end face is the slip cambered surface of downward concave curved；Concave surface sliding tray is fixed on
On ground, the slip cambered surface of downward concave curved provides sliding trace for perpendicular support of sliding；
The plurality of fixing perpendicular support annular array is around concave surface sliding tray, and the bottom of each fixing perpendicular support is fixed on ground
On face, the top of each fixing perpendicular support is mounted on a horizontal support；
It is set with a spring, spring and antivibrator outer end on each antivibrator to be fixed in fixing perpendicular support, spring and resistance
Buddhist nun's device the inner is fixed in the perpendicular support of slip；Antivibrator provides energy dissipation capacity, and spring provides the lateral rigidity of perpendicular support of sliding；
Fixing perpendicular support provides installation site for spring and antivibrator, provides vertical and horizontal direction for horizontal support simultaneously
Support；
It is outer convex arc surface that the bottom of support is erected in described slip, and this outer convex arc surface contacts with the slip cambered surface of downward concave curved,
The top of the perpendicular support of slip is used for supporting towering porcelain knob type electrical equipment, and during earthquake motion effect, outer convex arc surface is in concave surface sliding tray
Slide；
The inner of multiple horizontal supports is connected with concave surface ring-shaped slide groove；Horizontal support provides solid for concave surface ring-shaped slide groove
Location is put；
The inner side of described concave surface ring-shaped slide groove is arc surface, and the outer rim of convex surface ring-type fixing plate is arc surface, both
Arcwall face contacts；Concave surface ring-shaped slide groove provides the space slided for convex surface ring-type fixing plate；Convex surface ring-type fixing plate is for solid
Fixed towering porcelain knob type electrical equipment, and slide in concave surface ring-shaped slide groove as an entirety with towering porcelain knob type electrical equipment
Dynamic.
Further: the radius of the slip cambered surface of the downward concave curved of described concave surface sliding tray is convex surface ring-type fixing plate length
And mid-depth line joining is to the distance of perpendicular support minimum point of sliding.
Further: the arc surface inside described concave surface ring-shaped slide groove, its radius is in convex surface ring-type fixing plate thickness
Interbed midpoint is to the distance of its outer most edge.
Further: the centre of twist point position of described towering porcelain knob type electrical equipment convex surface ring-type fixing plate to its upper
Fixed position at.
The effect that the present invention is reached is:
The present invention is a kind of pendulum-type damping device for towering porcelain knob type electrical equipment.Electrically set for towering porcelain knob shape
Standby damage feature, by the method discharging torsional freedom, the moment of flexure that when directly reducing earthquake motion effect, equipment root suffers
The size of value, when can directly change earthquake motion effect by adjusting damping device root spring rate size, equipment root is subject to
The size of moment.This device is stable to dissimilar earthquake motion damping effect, and damping effect is not with the change of ground motion characteristic
Change and change.Simultaneously as towering porcelain knob type electrical equipment shape is thin and tall, it is bright that the angle change at root can make top produce
Aobvious horizontal displacement, this device will move on centre of twist point, and when equipment curves equal angular, the displacement value at equipment top is relatively
Little.
Comparing with stay-supported shock-dampening method, the present invention is little to space requirement, does not produce new weak location.Subtract with metal
Shake device shock-dampening method is compared, and robustness of the present invention is more preferable, is not affected by ground motion characteristic.With totally enclosed type combined electrical apparatus distribution
Device (GIS) shock-dampening method, cost of the present invention is lower, environmentally safe.Compare with traditional foundation shock insulation method, this device
It is more suitable for the towering porcelain knob shape electrical equipment that flexure type destroys.And when realizing equal damping rate, the displacement that the present invention needs
Space is less.Comparing with tuned mass damper shock-dampening method, the present invention is less to the change of superstructure, and damping effect is more steady
Fixed.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of towering porcelain knob type electrical equipment pendulum-type damping device of the present invention；
Fig. 2 is the three-dimensional exploded view of towering porcelain knob type electrical equipment pendulum-type damping device of the present invention；
Fig. 3 is the front view of towering porcelain knob type electrical equipment pendulum-type damping device of the present invention；
Fig. 4 is the B-B sectional view of Fig. 3；
Fig. 5 is the A direction view of Fig. 3；
Fig. 6 is enlarged drawing at the C of Fig. 4；
Fig. 7 is the application state figure of towering porcelain knob type electrical equipment pendulum-type damping device of the present invention.
In figure, the fixing perpendicular support of 1-concave surface sliding tray, 2-antivibrator, 3-spring, 4-, 5-slide and erect support, 6-horizontal support, 7-
Concave surface ring-shaped slide groove, 8-convex surface ring-type fixing plate.
Detailed description of the invention
Hereinafter in connection with accompanying drawing, the one exemplary embodiment of the present invention is described.For clarity and conciseness,
All features of actual embodiment are not the most described.It should be understood, however, that in any this actual enforcement of exploitation
Must make during example much specific to the decision of embodiment, in order to realize the objectives of developer, such as, symbol
Close those restrictive conditions relevant to system and business, and these restrictive conditions may have along with the difference of embodiment
Changed.Additionally, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but to having benefited from the present invention
For those skilled in the art of disclosure, this development is only routine task.
Here, also need to explanation a bit, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings
Illustrate only and according to the closely-related apparatus structure of the solution of the present invention and/or process step, and eliminate and the present invention
Other details that relation is little.
The towering porcelain knob type electrical equipment pendulum-type damping device of present embodiment, sees Fig. 1-Fig. 7 and understands, and it includes concave surface
Sliding tray 1, multiple antivibrator 2, multiple spring 3, multiple fixing perpendicular support 4, perpendicular support 5 of sliding, multiple horizontal support 6, concave surface annular
Sliding tray 7, convex surface ring-type fixing plate 8；
The bottom surface of described concave surface sliding tray 1 is plane, and end face is the slip cambered surface of downward concave curved；Concave surface sliding tray 1 is fixed
On the ground, the slip cambered surface of downward concave curved is the perpendicular support 5 offer sliding trace that slides；
The plurality of fixing perpendicular support 4 annular arrays are around concave surface sliding tray 1, and the bottom of each fixing perpendicular support 4 is fixed
On the ground, the top of each fixing perpendicular support 4 is mounted on a horizontal support 6；
It is set with a spring 3, spring 3 and antivibrator 2 outer end on each antivibrator 2 to be fixed in fixing perpendicular support 4, spring
3 and antivibrator 2 the inner be fixed in the perpendicular support 5 of slip；Antivibrator provides energy dissipation capacity, spring offer to slide and erects the lateral firm of support 5
Degree；
Fixing perpendicular support 4 provides installation site for spring 3 and antivibrator 2, provides vertical and level side for horizontal support 6 simultaneously
To support；
It is outer convex arc surface that the bottom of support 5 is erected in described slip, and this outer convex arc surface contacts with the slip cambered surface of downward concave curved,
The top of the perpendicular support 5 of slip is used for supporting towering porcelain knob type electrical equipment, and during earthquake motion effect, outer convex arc surface is at concave surface sliding tray
Interior slip；
The inner of multiple horizontal supports 6 is connected with concave surface ring-shaped slide groove 7；Horizontal support 6 carries for concave surface ring-shaped slide groove 7
For fixed position；
The inner side of described concave surface ring-shaped slide groove 7 is arc surface, and the outer rim of convex surface ring-type fixing plate 8 is arc surface, both
Arcwall face contact；Concave surface ring-shaped slide groove 7 provides the space slided for convex surface ring-type fixing plate 8；Convex surface ring-type fixing plate 8 is used
In fixing towering porcelain knob type electrical equipment, and with towering porcelain knob type electrical equipment as an entirety at concave surface ring-shaped slide groove 7
Interior slip.
More specifically: the radius of the slip cambered surface of the downward concave curved of described concave surface sliding tray 1 is that convex surface ring-type fixing plate 8 is long
Degree and mid-depth line joining are to the perpendicular distance supportting 5 minimum points of sliding.
More specifically: the arc surface inside described concave surface ring-shaped slide groove 7, its radius is convex surface ring-type fixing plate thickness 8
Midpoint, intermediate layer is to the distance of its outer most edge.
More specifically: the centre of twist point position of described towering porcelain knob type electrical equipment convex surface ring-type fixing plate to its upper
At the fixed position of 8.
Towering porcelain knob type electrical equipment vibration prevention ability extreme difference, but it is because the requirement of equipment electronic functionality, its top shape
Shape and material not malleable.Towering porcelain knob type electrical equipment belongs to bending as cantilever structure, the failure mode in its earthquake
Type, these are different from building structure, and most of building structure belong to curved scissors type and destroy.Putting down at traditional shock isolating pedestal release bearing
Dynamic degree of freedom, is the Architectural Structure Design destroyed for curved scissors type, for the towering porcelain knob type electricity that failure mode is flexure type
Gas equipment damping effect is the most bad.The damping device that the present invention proposes can discharge the torsion of towering porcelain knob type electrical equipment root
Degree of freedom, moment suffered by root when significantly reducing towering porcelain knob type electrical equipment earthquake motion effect, and then when reaching earthquake
The purpose of protection porcelain knob type electrical equipment.Angle change simultaneously as towering porcelain knob type electrical equipment shape is thin and tall, at root
Top can be made to produce obvious horizontal displacement, and this device will move on centre of twist point, when equipment curves equal angular, and equipment top
The displacement value in portion is substantially reduced.The damping effect of the present invention is good, the best to the stability of dissimilar earthquake motion.Pass through
Adjust the moment size that when damping device root spring rate size can directly change earthquake motion effect, equipment root is subject to.
Although disclosed embodiment is as above, but its content is only to facilitate understand the technical side of the present invention
Case and the embodiment that uses, be not intended to limit the present invention.Technical staff in any the technical field of the invention, not
On the premise of departing from disclosed core technology scheme, any amendment and change can be made in the form implemented and details
Change, but the protection domain that the present invention is limited, still must limit in the range of standard with appending claims.
Claims (4)
- The most towering porcelain knob type electrical equipment pendulum-type damping device, it is characterised in that: include concave surface sliding tray (1), multiple antivibrator (2), multiple springs (3), multiple fixing perpendicular support (4), slip perpendicular support (5), multiple horizontal support (6), concave surface ring-shaped slide groove (7), convex surface ring-type fixing plate (8)；The bottom surface of described concave surface sliding tray (1) is plane, and end face is the slip cambered surface of downward concave curved；Concave surface sliding tray (1) is fixed On the ground, the slip cambered surface of downward concave curved provides sliding trace for perpendicular support (5) of sliding；The plurality of fixing perpendicular support (4) annular array is around concave surface sliding tray (1), and the bottom of each fixing perpendicular support (4) is solid Determining on the ground, the top of each fixing perpendicular support (4) is mounted on a horizontal support (6)；It is set with a spring (3), spring (3) and antivibrator (2) outer end on each antivibrator (2) and is fixed on fixing perpendicular support (4) On, spring (3) and antivibrator (2) the inner are fixed on the perpendicular support (5) of slip；Antivibrator provides energy dissipation capacity, and spring provides and slides The lateral rigidity of perpendicular support (5)；Fixing perpendicular support (4) is spring (3) and antivibrator (2) offer installation site, is that horizontal support (6) provides vertical and water simultaneously Square to support；The bottom of the perpendicular support (5) of described slip is outer convex arc surface, and this outer convex arc surface contacts with the slip cambered surface of downward concave curved, sliding The top of dynamic perpendicular support (5) is used for supporting towering porcelain knob type electrical equipment, and during earthquake motion effect, outer convex arc surface is at concave surface sliding tray Interior slip；The inner of multiple horizontal supports (6) is connected with concave surface ring-shaped slide groove (7)；Horizontal support (6) is concave surface ring-shaped slide groove (7) fixed position is provided；The inner side of described concave surface ring-shaped slide groove (7) is arc surface, and the outer rim of convex surface ring-type fixing plate (8) is arc surface, both Arcwall face contact；Concave surface ring-shaped slide groove (7) is that convex surface ring-type fixing plate (8) provides the space slided；Convex surface annular is fixed Plate (8) is used for fixing towering porcelain knob type electrical equipment, and annular at concave surface as an entirety with towering porcelain knob type electrical equipment Slide in sliding tray (7).
- Towering porcelain knob type electrical equipment pendulum-type damping device the most according to claim 1, it is characterised in that: described concave surface is sliding The radius of the slip cambered surface of the downward concave curved of dynamic groove (1) be convex surface ring-type fixing plate (8) length and mid-depth line joining extremely The distance of perpendicular support (5) minimum point of sliding.
- Towering porcelain knob type electrical equipment pendulum-type damping device the most according to claim 2, it is characterised in that: described concave surface ring The arc surface of shape sliding tray (7) inner side, its radius be convex surface ring-type fixing plate thickness (8) midpoint, intermediate layer to its outer most edge away from From.
- 4. according to the towering porcelain knob type electrical equipment pendulum-type damping device described in claim 1,2 or 3, it is characterised in that: described At the fixed position of the centre of twist point position of towering porcelain knob type electrical equipment convex surface ring-type fixing plate (8) to its upper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828416.1A CN106207798B (en) | 2016-09-18 | 2016-09-18 | Towering porcelain knob type electrical equipment pendulum-type damping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610828416.1A CN106207798B (en) | 2016-09-18 | 2016-09-18 | Towering porcelain knob type electrical equipment pendulum-type damping device |
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| CN106207798A true CN106207798A (en) | 2016-12-07 |
| CN106207798B CN106207798B (en) | 2018-01-12 |
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| CN201610828416.1A Expired - Fee Related CN106207798B (en) | 2016-09-18 | 2016-09-18 | Towering porcelain knob type electrical equipment pendulum-type damping device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701651A (en) * | 2017-11-15 | 2018-02-16 | 中国地震局工程力学研究所 | Combine multisection type electrical equipment damping device |
| CN109163048A (en) * | 2018-09-25 | 2019-01-08 | 南京高传机电自动控制设备有限公司 | A kind of wind power generating set of efficient stable |
| CN111794402A (en) * | 2020-09-08 | 2020-10-20 | 沈阳建筑大学 | Damping device for civil engineering |
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| CN105672517A (en) * | 2016-03-10 | 2016-06-15 | 苏州科技学院 | Swing self-reset and self-standing type high-rise structure |
| CN205565409U (en) * | 2016-05-05 | 2016-09-07 | 中国地震局工程力学研究所 | Multistage pendulum suitable for shock attenuation of knob insulator type electrical equipment |
| CN205985849U (en) * | 2016-09-18 | 2017-02-22 | 中国地震局工程力学研究所 | Knob insulator type electrical equipment pendulum -type damping device stands tall and erects |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701651A (en) * | 2017-11-15 | 2018-02-16 | 中国地震局工程力学研究所 | Combine multisection type electrical equipment damping device |
| CN109163048A (en) * | 2018-09-25 | 2019-01-08 | 南京高传机电自动控制设备有限公司 | A kind of wind power generating set of efficient stable |
| CN111794402A (en) * | 2020-09-08 | 2020-10-20 | 沈阳建筑大学 | Damping device for civil engineering |
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