CN105406374B - A kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position - Google Patents
A kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position Download PDFInfo
- Publication number
- CN105406374B CN105406374B CN201510845869.0A CN201510845869A CN105406374B CN 105406374 B CN105406374 B CN 105406374B CN 201510845869 A CN201510845869 A CN 201510845869A CN 105406374 B CN105406374 B CN 105406374B
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- metallic plate
- bolt
- electrical equipment
- equipment
- metal sleeve
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Classifications
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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
Abstract
The present invention relates to a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable apparatus installation site, for connecting electrical equipment (1) and pillar (4), including upper metallic plate (5), lower metallic plate (6) and at least four damping bolts (7), described damping bolt (7) bottom is fixed on lower metallic plate (6), described upper metallic plate (5) is mobilizable to be socketed on damping bolt (7) by the damping bolt mounting holes a (501) that opens up thereon；During use, lower metallic plate (6) is connected to pillar (4) top first, then upper metallic plate (5) is connected with electrical equipment (1) body, the installation site of electrical equipment (1) body is adjusted by adjusting the upper length that bolt (7) is damped between metallic plate (5) and lower metallic plate (6).Compared with prior art, the present invention can improve precision of equipment installation, reduce seismic response of equipment, protect the electrical equipment of costliness.
Description
Technical field
The invention belongs to transformer anti-seismic technology field, becomes more particularly, to a kind of Anti-seismic of adjustable mounting position
Station post equipment connecting device.
Background technology
Transformer station is the key component of electric power lifeline engineering, in the transformer station of voltage levels, most of equipment
Structure type is that top is porcelain or compound insulator processed or sleeve pipe, and bottom is steel construction pillar or support frame, such as breaker,
Arrester, capacitor, disconnecting switch etc..High pressure class electrical equipment quality is big, and center of gravity is high, easily occurs under action of strong earthquake broken
It is bad, and then cause the paralysis of power system or even disintegrate comprehensively.The failure of power system can cause serious disaster and huge
Economic loss, not only influences disaster relief work after shake, and thing followed secondary disaster may also result in more serious consequence.
The structure " top-heavy " of Switch equipment, larger inertia force is also easy to produce under earthquake motion effect；Intrinsic frequency
Approached with earthquake motion, easily cause class to resonate under earthquake motion effect；And damping it is smaller, earthquake motion effect under respond it is larger,
Decay is slow, is easily destroyed in earthquake.In Tangshan Earthquake, breaker damage is up to 58%, the spoilage of disconnecting switch
Up to 30%, arrester damage reaches 66%.In Wenchuan earthquake, electrical equipment damages also extremely serious, wherein more than 252kV
Infringement 40, more than 126kV damage 51.
Further, since the raising of voltage class, porcelain equipment is difficult to meet intensity requirement, composite kind equipment usage amount
Gradually increase.After stress, such as small earthquake motion and under wind-force effect, easily there is slight residual deformation so that Switch
The problems such as equipment is difficult to close a floodgate and the coupling arrangement of pipe bus connection pulls.In actually runing, also occurred small
The situation that the quiet side contact of disconnecting switch is deformed and can not normally closed a floodgate after shake so that power system is difficult in a short time
Recover, cause big indirect economic loss.From the point of view of Practical Project service condition, for equipment such as disconnecting switch, due to it
The needs of switching, its install or using when error should be less than 1mm, for pipe bus connection support insulator, its for
The required precision of position is higher, therefore use can adjust the damping unit of installation site, can effectively solve installation question with
And reduce response of the equipment under earthquake motion effect.
Because the damping of pillar class electrical equipment is smaller, therefore increase high damping shock absorption facility into conventional selection to it.
Week book in 1985 it is auspicious on rod insulator install additional damping shock absorber studies, find damping efficiency can reach 50% with
On, yellow peak in 2010 et al. establishes GW7-252 disconnecting switch models with FInite Element, and inputs resonance amplitude-modulated wave and carry out ground
Analysis of Non Stationary Random Seismic, finally uses shock mitigation system between porcelain vase and support, and analysis result shows that damping effect reaches as high as 75%.
Zhang Xuesong in 2013 et al. is by experiment, and before and after demonstrating installation lead metal damping shock absorber, arrester device frequency reduces, resistance
Buddhist nun increases 3 times more originally, and the strain of porcelain bushing shell root is reduced up to more than 46%, and the earthquake motion inputted is stronger, strain drop
It is low more.
It is one gold of installation between the body of electrical equipment 1 and pillar 4 as shown in figure 1, when using metal damper
Belong to thrust, play a part of fulcrum, then metal damping is installed on the flange in the bottom connecting plate 2 of electrical equipment body subtracted
Device 3 is shaken, during geological process, the body of electrical equipment 1 is around fulcrum, so as to play the purpose of the protection body of electrical equipment 1,
But metal damping device 3 is had the following disadvantages due to its structure build-in attribute：
(1) vertically there is no damping effect, may occur due to the body of electrical equipment 1 under Vertical Earthquake Loads with fulcrum
Hit and destroy；
(2) because the yield strength very little, prolonged wind action etc. of lead material can loosen connection；
(3) metal damping device 3 does not have a restoring force, can only carry out unidirectional yield deformation during geological process, therefore
Connection etc. tends to loosen under geological process, the defects of certain on be present.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind makes easy, installation
It is convenient, it is replaceable, can be widely used for transformer station, raising precision of equipment installation can be reached, reduce seismic response of equipment, play protection
Transformer station's pillar equipment connecting device of the effect of expensive electrical equipment.
The purpose of the present invention can be achieved through the following technical solutions：A kind of Anti-seismic power transformation of adjustable mounting position
Stand pillar equipment connecting device, for connecting electrical equipment and pillar, including upper metallic plate, lower metallic plate and at least four dampings
Bolt, described damping bolt bottom are fixed on lower metallic plate, and described upper metallic plate passes through the damping bolt that opens up thereon
Mounting hole a, mobilizable be socketed in are damped on bolt；
In use, lower metallic plate is connected into pillar top first, then upper metallic plate is connected with electrical equipment body,
The installation site of electrical equipment body is adjusted by adjusting the upper length that bolt is damped between metallic plate and lower metallic plate, is improved
The installation accuracy of electrical equipment, meet the normal operation requirement of electrical equipment.
Described damping bolt includes metal sleeve, spring assembly, bolt of long stem and nut, and described metal sleeve is fixed
On lower metallic plate, described spring assembly is located in described metal sleeve, and is connected with described bolt of long stem, described
Upper metallic plate is fixed on bolt of long stem by nut sleeve on described bolt of long stem, by the nut.Described nut with it is upper
The junction of metallic plate is provided with pad, bolt of long stem is fully fastened with upper metallic plate, is acted in normal use and earthquake motion
Under be not easy to loosen.
Described spring assembly includes two nonlinear springs and connecting plate, and two nonlinear springs are separately fixed at connection
Plate upper and lower surface, described bolt of long stem are enclosed in the nonlinear spring of connecting plate upper surface, and are fixedly connected with connecting plate.
The nonlinear spring bottom of described connecting plate lower surface is fixed on metal sleeve bottom, described connecting plate upper table
It is fixed at the top of the nonlinear spring in face at the top of metal sleeve, described connecting plate is by two described nonlinear springs in gold
Belong to up and down in sleeve, deformation power consumption, reduce dynamic response of the electrical equipment under earthquake motion effect.
The diameter of described nonlinear spring and the internal diameter of metal sleeve match, and enable metal sleeve to nonlinear spring
Sidewise restraint effect is played, nonlinear spring is kept enough stability when being stressed and deforming.
It disclosure satisfy that vertical support during electrical equipment normal use requires and horizontal ant wind load using nonlinear spring
It is required that under earthquake motion effect, certain deformation occurs for and can, and higher damping ratio is provided for electrical equipment, then consumes earthquake
Energy, reduce the seismic response of electrical equipment.
Described nut is provided with two, respectively positioned at the both sides up and down of upper metallic plate, by adjusting described nut in length
The position of metallic plate in position adjustments on bar bolt.
Electrical equipment flange bolt mounting hole is offered on described upper metallic plate, for connecting electrical equipment and upper metal
Plate.
Multiple bolts hole being connected with pillar are offered on described lower metallic plate, for connecting pillar and lower metallic plate.
Compared with prior art, the present invention has advantages below：
(1) present invention between the flange in the bottom of the installing plate of post top portion and electrical equipment body by adding attachment means
The support to electrical equipment body is realized, in electrical equipment normal use, electrical equipment can be met to vertical support rigidity
It is required that required with electrical equipment lateral force resistance；
(2) present invention installs the nonlinear spring of proper stiffness in metal sleeve, can not only be provided for electrical equipment perpendicular
To supporting, meet the normal use requirement of electrical equipment, and the attachment means is produced under earthquake motion effect compared with high-damping,
Reduce the seismic response of ground electrical equipment, play a part of the expensive electrical equipment of protection；
(3) present invention realizes the regulation to electrical equipment installation site, energy by the position of the adjustable upper metallic plate of nut
The installation accuracy of electrical equipment is improved, meets the normal operation requirement of electrical equipment；
(4) present invention by nut and pad makes upper metallic plate and bolt of long stem fully be fastenedly connected, normal use,
The problems such as loosening is less prone under shock effect and wind action；
(5) the nonlinear spring size selected by the present invention is closer to metal sleeve internal diameter, enables metal sleeve right
Nonlinear spring plays sidewise restraint effect, nonlinear spring is kept enough stability when being stressed and deforming；
(6) removably connected by bolt between the present invention and electrical equipment and pillar, the equipment downtime after earthquake
Repair time, pass through demounting bolt, you can realize quick-replaceable, reduce power equipment pause and use duration, reduce indirect economy
Loss；
(7) present invention is simple in construction, makes easy, easy for installation and does not influence equipment electric function when in use, can be wide
It is general to be used for each transformer station.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of existing metal damping shock absorber；
Fig. 2 is a kind of Anti-seismic transformer station pillar equipment connecting device structural representation of adjustable mounting position of the application
Figure；
Fig. 3 is the top view of metallic plate in the application；
Fig. 4 is the top view of metallic plate under the application；
Fig. 5 is the structural representation that the application damps bolt；
Fig. 6 is the sectional view that the application damps bolt；
Fig. 7 is the top view that the application damps bolt；
Fig. 8 is the Anti-seismic transformer station pillar equipment connecting device and electrical equipment of a kind of adjustable mounting position of the application
With the scheme of installation of pillar；
Fig. 9 is a kind of amplification of the Anti-seismic transformer station pillar equipment connecting device structure of adjustable mounting position in Fig. 8
Schematic diagram；
It is identified as in figure：1 electrical equipment, 2 flange connecting plates, 3 metal damping devices, 4 pillars, metallic plate on 5,
501 damping bolt mounting holes a, 502 electrical equipment flange bolt mounting holes, 6 time metallic plates, 601 damp bolt mounting holes b, and 602
The bolt hole being connected with pillar, 7 damping bolts, 701 metal sleeves, 702 bolt of long stems, 703 nuts, 704 pads, 705 is non-thread
Property spring, 706 connecting plates.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
As shown in Fig. 2 a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position, for connecting electricity
Gas equipment 1 and pillar 4, including upper metallic plate 5, lower metallic plate 6 and six damping bolts 7, upper metallic plate 5 and the lower material of metallic plate 6
The steel plate materialses that material is typically commonly used from transformer substation construction, steel plate thickness should meet normal under the shock effect of defense sector in equipment
Detailing requiments as defined in requirement and related specifications.
According to national standard《GB50017-2003》And the regulation of corresponding specification arranges damping bolt peace on upper metallic plate 5
Hole a501 is filled, it opens up the parameters such as quantity, position and aperture according to the design feature of electrical equipment 1, the strength of materials, antidetonation demand
And electrical equipment flange bolt mounting hole 502 is calculated, meet the installation requirement of electrical equipment 1.It is illustrated in figure 3 metallic plate
Top view.
The bolt hole 602 being connected with pillar is offered on lower metallic plate 6, according to the structure design of pillar 4 and meets related rule
The requirement of model.It is illustrated in figure 4 the top view of lower metallic plate.
The described bottom of damping bolt 7 is fixed on lower metallic plate 6, and described upper metallic plate 5 passes through the resistance that opens up thereon
Buddhist nun's bolt mounting holes a501, mobilizable be socketed in are damped on bolt 7；
As shown in Fig. 5-7, described damping bolt 7 includes metal sleeve 701, spring assembly, bolt of long stem 702 and spiral shell
Mother 703, bolt of long stem 702 from it is common it is common can shearing bolt, its diameter should be according to the antidetonation demand of electrical equipment 1 with quantity
And its parameter such as structure type, strength of materials is calculated and selected.The material of metal sleeve 701, the selection of size should meet electrically to set
Standby 1 shockproof requirements, it need to be determined by calculating.
Described metal sleeve 701 is weldingly fixed on lower metallic plate 6, and described spring assembly is located at described metallic sheath
In cylinder 701, and it is connected with described bolt of long stem 702, described nut 703 is provided with two, is enclosed on described bolt of long stem 702
On, respectively positioned at the both sides up and down of upper metallic plate 5, upper metallic plate 5 is fixed on bolt of long stem 702 by the nut 703, led to
Overregulate the position of described nut 703 metallic plate 5 in the position adjustments on bolt of long stem 702, described nut 703 with it is upper
The junction of metallic plate 5 is provided with pad 704, bolt of long stem 702 is fully fastened with upper metallic plate 5, in normal use and ground
It is not easy to loosen under shock effect；
The sectional view of damping bolt is illustrated in figure 6, from fig. 6, it can be seen that described spring assembly is non-thread including two
Property spring 705 and connecting plate 706, two nonlinear springs 705, which are respectively welded, is fixed on the upper and lower surface of connecting plate 706, described
Bolt of long stem 702 is enclosed in the nonlinear spring 705 of the upper surface of connecting plate 706, and is welded and fixed with connecting plate 706 or is integrally cast
Type is caused, certain adjustable length is reserved to the bolt of long stem 702 outside metal sleeve 701, makes to fill in allowed band
Divide the installation site of adjustment equipment, meet required precision.
The bottom of nonlinear spring 705 of the described lower surface of connecting plate 706 is fixed on the bottom of metal sleeve 701, described
The top of nonlinear spring 705 of the upper surface of connecting plate 706 is fixed on the top of metal sleeve 701, and described connecting plate 706 passes through institute
Two nonlinear springs 705 stated are up and down in metal sleeve 701, and it is dynamic under earthquake motion effect to reduce electrical equipment 1
Force-responsive.
The internal diameter of the diameter and metal sleeve 701 of described nonlinear spring 705 matches, and enables metal sleeve 701 right
Nonlinear spring 705 plays sidewise restraint effect, nonlinear spring 705 is kept enough steady when being stressed and deforming
It is qualitative.
The length of nonlinear spring 705, the depth of metal sleeve 701 and bolt of long stem 702 are stretched into metal sleeve 701
Length should meet that the vibration of electrical equipment 1 requires that each turn does not collide and is advisable after compression with nonlinear spring 705.
The inner space of metal sleeve 701 should meet the cloth of bolt of long stem 702, connecting plate 706 and nonlinear spring 705
Put.
Vertical support requirement when disclosure satisfy that 1 normal use of electrical equipment using the nonlinear spring 705 of high stiffness and
The requirement of the side forces such as horizontal ant wind load, under earthquake motion effect, certain deformation occurs for and can, is provided for electrical equipment 1 higher
Damping ratio, then consume earthquake energy, reduce electrical equipment 1 seismic response.
The concrete application process of apparatus of the present invention is as follows：
According to dynamic characteristics of the electrical equipment 1 with pillar 4 and corresponding requirements for fortification against earthquake, technology and economic condition are considered
Good target damping ratio is selected afterwards, and then carries out corresponding calculating of the electrical equipment 1 under earthquake motion effect, tries to achieve electrical equipment 1
The internal force such as the moment of flexure in portion and shearing.
According to the shearing and moment of flexure being calculated, the quantity of damping bolt 7, diameter and the cloth arranged in the present apparatus are selected
Seated position, handicapping Buddhist nun's bolt mounting holes a501 and damping bolt peace are distributed in the relevant position of upper metallic plate 5 and lower metallic plate 6
Fill hole b601.Corresponding nonlinear spring 705 is selected according to the damping of setting when requirement of the electrical equipment 1 to vertical rigidity,
The parameters such as wall thickness, the diameter of metal sleeve 701 are calculated, and then calculate the weld seam chi of metal sleeve 701 and lower metallic plate 6
It is very little, it is met anti-seismic performance requirement.Nonlinear spring 705, bolt of long stem 702 etc. are assembled with metal sleeve 701, welded
Connect, lower metallic plate 6, metal sleeve 701, damping bolt 7, nonlinear spring 705 and packing material is turned into an entirety, just
In installing and using at the scene.
The assembling process for damping bolt 7 is as follows：(1) two nonlinear springs 705 are respectively welded at the upper of connecting plate 706
Surface and lower surface, bolt of long stem 702 is then enclosed in the nonlinear spring of the upper surface of connecting plate 706 705 and by its bottom
It is welded on the upper surface of connecting plate 706；(2) the above-mentioned part being welded is put into gold from the opening of the bottom of metal sleeve 701
Belong in sleeve 701, and the upper end of the nonlinear spring 705 of the upper surface of connecting plate 706 is weldingly fixed on the top plate of metal sleeve 701
On, make it to bear certain pulling force；(3) according to the position of damping bolt 7 precalculated, each metal sleeve 701 is welded
The correspondence position being connected on lower metallic plate 6.
As shown in figure 8, pre-set at the scene in use, the present apparatus is installed to be fastened on by bolted connection
Pillar 4 on.By the electrical equipment flange bolt mounting hole 502 on upper metallic plate 5, by upper metallic plate 5 and electrical equipment 1
The flange connecting plate 2 of body bottom connects.By lifting, by electrical equipment 1 entirely through on bolt and upper metallic plate 5 and pillar 4
Lower metallic plate 6 connect, and electrical equipment 1 and present apparatus fastening are integral by corresponding nut and pad.Work as equipment
, can be by adjusting the position of the nut 703 on bolt of long stem 702 and pad 704, adjustment equipment when installation site needs adjustment
Setting height(from bottom) and drift angle, it is met requirement.Fig. 9 is a kind of Anti-seismic transformer station of adjustable mounting position in Fig. 8
The enlarged diagram of pillar equipment connecting device structure.
By increasing the attachment means of the present invention, the installation and adjustment requirement of electrical equipment 1 can be met；In electrical equipment 1
During normal use, requirement of the electrical equipment 1 to vertical support rigidity and the wind resistance requirement of electrical equipment 1 can be met；Acted in earthquake
Under, it can be that electrical equipment 1 provides higher damping, earthquake energy is consumed by the effect of nonlinear spring 705, reduced
The dynamic response of top equipment, with the expensive electrical equipment 1 of protection；In addition, the equipment downtime repair time after earthquake, passes through
Demounting bolt, you can realize quick-replaceable, reduce power equipment pause and use duration, reduce indirect economic loss.
After macroseism, when being overhauled to equipment electric property, the lower metallic plate 6 and annex thereon of the present apparatus are changed
.
Embodiment 2
In the present embodiment, damping bolt 7 is provided with 8, and remaining is the same as embodiment 1.
Embodiment 3
In the present embodiment, damping bolt 7 is provided with 4, and remaining is the same as embodiment 1.
Claims (4)
1. a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position, for connect electrical equipment (1) and
Pillar (4), it is characterised in that including upper metallic plate (5), lower metallic plate (6) and at least four damping bolts (7), described resistance
Buddhist nun's bolt (7) bottom is fixed on lower metallic plate (6), and described upper metallic plate (5) is installed by the damping bolt opened up thereon
Hole a (501), mobilizable to be socketed on damping bolt (7), described damping bolt (7) includes metal sleeve (701), spring
Component, bolt of long stem (702) and nut (703), described metal sleeve (701) are fixed on lower metallic plate (6), described bullet
Spring component is located in described metal sleeve (701), and is connected with described bolt of long stem (702), described nut (703) set
On described bolt of long stem (702), upper metallic plate (5) is fixed on bolt of long stem (702) by the nut (703), institute
The spring assembly stated includes two nonlinear springs (705) and connecting plate (706), and two nonlinear springs (705) are fixed respectively
In connecting plate (706) upper and lower surface, described bolt of long stem (702) is enclosed on the nonlinear spring of connecting plate (706) upper surface
(705) in, and it is fixedly connected with connecting plate (706)；
In use, lower metallic plate (6) is connected to pillar (4) top first, then by upper metallic plate (5) and electrical equipment (1)
Body is connected, and electrical equipment is adjusted by adjusting the upper length that bolt (7) is damped between metallic plate (5) and lower metallic plate (6)
(1) installation site of body.
2. a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position according to claim 1, its
It is characterised by, nonlinear spring (705) bottom of described connecting plate (706) lower surface is fixed on metal sleeve (701) bottom,
It is fixed at the top of the nonlinear spring (705) of described connecting plate (706) upper surface at the top of metal sleeve (701), described company
Fishplate bar (706) deformation power consumption in metal sleeve (701) by two described nonlinear springs (705), reduces electrical equipment
(1) dynamic response under earthquake motion effect.
3. a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position according to claim 1 or 2,
Characterized in that, the internal diameter of the diameter and metal sleeve (701) of described nonlinear spring (705) matches.
4. a kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position according to claim 1, its
It is characterised by, described nut (703) is provided with two, described by adjusting respectively positioned at the both sides up and down of upper metallic plate (5)
The position of nut (703) metallic plate (5) in the position adjustments on bolt of long stem (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845869.0A CN105406374B (en) | 2015-11-27 | 2015-11-27 | A kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845869.0A CN105406374B (en) | 2015-11-27 | 2015-11-27 | A kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105406374A CN105406374A (en) | 2016-03-16 |
| CN105406374B true CN105406374B (en) | 2018-02-09 |
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ID=55471699
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510845869.0A Expired - Fee Related CN105406374B (en) | 2015-11-27 | 2015-11-27 | A kind of Anti-seismic transformer station pillar equipment connecting device of adjustable mounting position |
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| CN (1) | CN105406374B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786032B (en) * | 2016-11-29 | 2018-07-03 | 同济大学 | A kind of vibration control apparatus for converter valve |
| CN106640866A (en) * | 2016-12-06 | 2017-05-10 | 新乡市振英机械设备有限公司 | Special fixture for square swing sieve |
| CN108092158B (en) * | 2017-12-18 | 2019-08-23 | 上海神洁环保科技股份有限公司 | A kind of substation's damping framework |
| CN109185386A (en) * | 2018-10-19 | 2019-01-11 | 吴修玲 | It is a kind of to wave damping device applied to what Latticed Towers segmented stack shell was connected with stack shell |
| CN109412429B (en) * | 2018-11-08 | 2024-04-05 | 中国电力工程顾问集团西南电力设计院有限公司 | Damping structure of high-voltage direct-current bypass switch loop of extra-high voltage converter station |
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| JPS57160107A (en) * | 1981-03-27 | 1982-10-02 | Mitsubishi Electric Corp | Bushing attaching device |
| CN101784818A (en) * | 2007-08-23 | 2010-07-21 | 隔而固振动控制有限公司 | Arrangement having a seismically reinforced component |
| CN204385897U (en) * | 2014-12-31 | 2015-06-10 | 汕头市建安实业（集团）有限公司 | Shock insulation Connection Block |
| CN204531052U (en) * | 2015-04-16 | 2015-08-05 | 陕西永安减震科技有限公司 | Novel three-dimensional shock isolating pedestal |
| CN104953489A (en) * | 2015-07-20 | 2015-09-30 | 长沙金定信息技术有限公司 | Anti-seismic intelligent box-type substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202699540U (en) * | 2012-07-23 | 2013-01-30 | 大连交通大学 | Adjustable-height bionic damping walking stick |
| CN202808101U (en) * | 2012-09-13 | 2013-03-20 | 厦门嘉达环保建造工程有限公司 | Wall-mounted control cabinet vibration isolation structure |
| DE102012217189A1 (en) * | 2012-09-24 | 2014-03-27 | Siemens Aktiengesellschaft | Damping arrangement of a vibrationally mounted electric power transmission device |
| CN203777177U (en) * | 2014-03-31 | 2014-08-20 | 王燕 | A damping type first-aid stretcher trolley with a transfer structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57160107A (en) * | 1981-03-27 | 1982-10-02 | Mitsubishi Electric Corp | Bushing attaching device |
| CN101784818A (en) * | 2007-08-23 | 2010-07-21 | 隔而固振动控制有限公司 | Arrangement having a seismically reinforced component |
| CN204385897U (en) * | 2014-12-31 | 2015-06-10 | 汕头市建安实业（集团）有限公司 | Shock insulation Connection Block |
| CN204531052U (en) * | 2015-04-16 | 2015-08-05 | 陕西永安减震科技有限公司 | Novel three-dimensional shock isolating pedestal |
| CN104953489A (en) * | 2015-07-20 | 2015-09-30 | 长沙金定信息技术有限公司 | Anti-seismic intelligent box-type substation |
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| Publication number | Publication date |
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| CN105406374A (en) | 2016-03-16 |
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