CN108799389A - A kind of high voltage electric equipment seismic isolation device - Google Patents
A kind of high voltage electric equipment seismic isolation device Download PDFInfo
- Publication number
- CN108799389A CN108799389A CN201710283806.XA CN201710283806A CN108799389A CN 108799389 A CN108799389 A CN 108799389A CN 201710283806 A CN201710283806 A CN 201710283806A CN 108799389 A CN108799389 A CN 108799389A
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- China
- Prior art keywords
- seismic isolation
- isolation device
- guide cylinder
- amount
- friction element
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Classifications
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- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of high voltage electric equipment seismic isolation device, including lid, pedestal, upper outer guide cylinder, lower outer guide cylinder, lower interior guide cylinder and elastic element, elastic element is the spiral helicine elastic element being arranged in lower outer guide cylinder inner wall.The elastic element of the present invention provides enough elastic stiffness, and the friction between elastic element and friction element provides enough dampings, effectively reduces the seismic response of top high voltage electric equipment.
Description
Technical field
The present invention relates to a kind of seismic isolation device, in particular to a kind of high voltage electric equipment seismic isolation device.
Background technology
Project of transmitting and converting electricity is one of most important part of lifeline engineering.Violent earthquake often causes project of transmitting and converting electricity
It greatly destroys, especially 7 grades or more of special violent earthquake.Violent earthquake all over the world shows the earthquake of project of transmitting and converting electricity defeated
Electroceramics type holder class high-tension apparatus in power transformation engineering easily destroys in violent earthquake.
Electroceramics type holder class equipment include breaker, disconnecting switch, current transformer, voltage transformer, support insulator,
Arrester etc..In earthquake, the spoilage of breaker is up to 58%, and the spoilage of disconnecting switch is up to 30%, takes shelter from the thunder
The spoilage of device is up to 66%.
Earthquake period, functional failure can occur for high voltage electric equipment when earthquake, and violent earthquake intensity is far beyond high-voltage electricity
The shock resistance of gas equipment itself
Cushioning product for electroceramics type holder class equipment generally has rubber pad, lead damper and radial-inflow frictional damping to subtract
Shake device.Theory analysis and experiment prove that the damping effect of both products of rubber pad and metal damper is not satisfactory, especially
It is under horizontal and perpendicular two collective effect to earthquake, vertical damping effect is almost nil.Although radial-inflow frictional damping damping
The damping effect of device is preferable, but fabricates complexity, and unit price is higher.
In view of this, it is desirable to provide a kind of damping effect is good, and production method simple device meets the prior art
Needs.
Invention content
In order to overcome drawbacks described above, the present invention to provide a kind of seismic isolation device, solution damping effect is undesirable, makes complicated
The problem of.
Goal of the invention to realize the present invention, the present invention adopt the following technical scheme that：
The present invention provides a kind of high voltage electric equipment seismic isolation device, and the seismic isolation device passes through connecting plate and the electricity
Gas equipment is connected, and the seismic isolation device includes lid, pedestal, upper outer guide cylinder, lower outer guide cylinder, friction element and elasticity member
Part, it is improved in that the elastic element is arranged in the shape of a spiral in the friction element inner wall.
As the first preferred embodiment of the present invention, with concentric setting on the helical form elastic element inner wall vertical direction
Height be less than the lower outer guide cylinder friction element.
As the second preferred embodiment of the present invention, the friction element inner wall internal diameter is more than the lower protrusion of the lid lower surface
Outer diameter.
As the third preferred embodiment of the present invention, the vertical direction of the lower protrusion of the lid is low inside and high outside stairstepping.
As the 4th preferred embodiment of the present invention, the both ends of the same connecting plate are at least respectively arranged in parallel two groups and subtract shock insulation
Device.
As the 5th preferred embodiment of the present invention, the friction element is the composite layer of two layers of composition, in the composite layer
Layer include：At least one fibrous matrix, the fibrous matrix include the more aramid fibres with the first amount, with the
More root polypropylene itrile group carbon fibers of two amounts, second amount are less than first amount, and the diatomite with third amount, institute
It states third amount and is more than first amount；At least one filler；With at least one adhesive.
As the 6th preferred embodiment of the present invention, the elastic element is made of the component comprising following quality proportionings：C：
0-0.1%, Si：0-1.05%, Mn：0-1.03%, P：0-0.05%, S：0-0.035%, Cr：15.8-18.2%, Ni：6.4-
7.85%, Al：0.65-1.6%, Ti：0-0.035%, Fe：Surplus.
As the 7th preferred embodiment of the present invention, the upper outer guide cylinder lower part has inside protrusion, the friction member
Part top has to outside protrusion, and the two is connected by protrusion.
As the 8th preferred embodiment of the present invention, the upper outer guide cylinder, lower interior guide cylinder and friction element are cylinder
Shape tubular structure, lid and bottom seat are cylindric.
Compared with the latest prior art, technical solution provided by the invention has following excellent effect：
(1) elastic element of the invention provides enough elastic stiffness, and the friction between elastic element and friction element carries
Enough dampings have been supplied, the seismic response of top high voltage electric equipment is effectively reduced.
(2) seismic isolation device of the invention is simple in structure, and reasonable design, damping effect meets or exceeds 65%, effectively controls
Oscillation Amplitude when superstructure earthquake processed.
(3) seismic isolation device of the present invention is widely used in the electroceramics type holder class equipment in substation, such as：Arrester, every
Pass, breaker, support insulator etc. are left, is readily applicable in the earthquake isolation measure of other industrial equipments.
Description of the drawings
Fig. 1 is the high voltage electric equipment seismic isolation device structure chart of the present invention
Fig. 2 uses schematic diagram for high voltage electric equipment seismic isolation device of the invention
In figure：1- is covered；2- elastic elements；3- friction elements；The upper outer guide cylinders of 4-；Interior guide cylinder under 5-；6- pedestals；7- subtracts
Earthquake isolating equipment；8- connecting plates
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in embodiment is clearly and completely described, following embodiment for illustrating the present invention, but
It is not limited to the scope of the present invention.
As shown in Figure 1, the high voltage electric equipment seismic isolation device of the present invention includes lid 1, pedestal 6, upper outer guide cylinder 4, rubs
It wipes element 3, lower interior guide cylinder 5 and elastic element 2, the side wall of the lid 1 with upper outer guide cylinder 4 to be connected, the upper outer guiding
There is 4 lower parts of cylinder inside protrusion, 3 top of friction element to have to outside protrusion, and the two is connected by protrusion.Friction member
Concentric on part 3 and lower 5 vertical direction of interior guide cylinder to be arranged and be connected with pedestal 6, lower 5 height of interior guide cylinder is less than
Friction element 3,3 inner wall internal diameter of the friction element are more than the lower protrusion outer diameter of 1 lower surface of the lid.
Upper outer guide cylinder 4, lower interior guide cylinder 5 and friction element 3 are cylindrical barrel structure, and lid 1 and pedestal 6 are cylinder
The vertical direction of shape, the lower protrusion of the lid 1 is low inside and high outside stairstepping.
Friction element 3 is the composite layer of two layers of composition, and the composite layer internal layer includes：At least one fibrous matrix, it is described
Fibrous matrix includes the more aramid fibres with the first amount, has more root polypropylene itrile group carbon fibers of the second amount,
Second amount is less than first amount, and the diatomite with third amount, and the third amount is more than first amount；At least
A kind of filler；With at least one adhesive.3 outer layer of the friction element is common iron.
Helically cable architecture is set to inside friction element 3 elastic element 2, and helical angle e is 5 ° -9 °, and elastic element 2 is cut
Face is rectangle, the length of side a≤b, 4≤a≤16mm.
The both ends end circle of elastic element 2 is simultaneously tight, and elastic element 2 and the roughness of friction element 3 are more than 3.2.
The elastic element is made of the component comprising following quality proportionings：C：0-0.1%, Si：0-1.05%, Mn：0-
1.03%, P：0-0.05%, S：0-0.035%, Cr：15.8-18.2%, Ni：6.4-7.85%, Al：0.65-1.6%, Ti：
0-0.035%, Fe：Surplus.
When coming earthquake, elastic element 2 is squeezed, the inner surface of elastic element 2 outer surface and friction element 3 of compression
It rubs after contact, due to damping action, the energy of earthquake is converted into thermal energy and is consumed.By adjusting elastic element 2
Pretightning force effectively controls high voltage electric equipment and does not shake under small shake or wind action, effectively dropped under big shake effect
The seismic response of low superstructure.Wherein, it is the maximum deformation quantity of superstructure when elastic element 2 is pressed simultaneously.
As shown in Fig. 2, the seismic isolation device 7 is connected by connecting plate 8 with electrical equipment, the both ends of connecting plates 8 are at least
Two groups of seismic isolation devices 7 are arranged in parallel.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes and equivalent replacement, but these variations, modification or equivalent replacement, is applying for pending right
Within the scope of claimed.
Claims (9)
1. a kind of high voltage electric equipment seismic isolation device, the seismic isolation device is connected by connecting plate with the electrical equipment,
The seismic isolation device includes that lid, pedestal, upper outer guide cylinder, lower outer guide cylinder, friction element and elastic element, feature exist
In the elastic element is arranged in the shape of a spiral in the friction element inner wall.
2. seismic isolation device as described in claim 1, which is characterized in that with the helical form elastic element inner wall vertical direction
The height of upper concentric setting is less than the friction element of the lower outer guide cylinder.
3. seismic isolation device as described in claim 1, which is characterized in that the friction element inner wall internal diameter is more than under the lid
The lower protrusion outer diameter on surface.
4. seismic isolation device as described in claim 1, which is characterized in that the vertical direction of the lower protrusion of the lid is interior high outer
Low stairstepping.
5. seismic isolation device as described in claim 1, which is characterized in that the both ends of the same connecting plate are at least each parallel to be set
Set two groups of seismic isolation devices.
6. seismic isolation device as claimed in claim 3, which is characterized in that the friction element is the composite layer of two layers of composition,
The composite layer internal layer includes：At least one fibrous matrix, the fibrous matrix include the more aromatics polyamides with the first amount
Amine fiber, more root polypropylene itrile group carbon fibers with the second amount, second amount is less than first amount, and has third
The diatomite of amount, the third amount are more than first amount；At least one filler；With at least one adhesive.
7. seismic isolation device as described in claim 1, which is characterized in that the elastic element is to include following quality proportionings
Component is made：C：0-0.1%, Si：0-1.05%, Mn：0-1.03%, P：0-0.05%, S：0-0.035%, Cr：15.8-
18.2%, Ni：6.4-7.85%, Al：0.65-1.6%, Ti：0-0.035%, Fe：Surplus.
8. seismic isolation device as described in claim 1, which is characterized in that the upper outer guide cylinder lower part has inwardly convex
It rises, the friction element top has to outside protrusion, and the two is connected by protrusion.
9. seismic isolation device as described in claim 1, which is characterized in that the upper outer guide cylinder, lower interior guide cylinder and friction
Element is cylindrical barrel structure, and lid and bottom seat is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283806.XA CN108799389A (en) | 2017-04-26 | 2017-04-26 | A kind of high voltage electric equipment seismic isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283806.XA CN108799389A (en) | 2017-04-26 | 2017-04-26 | A kind of high voltage electric equipment seismic isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799389A true CN108799389A (en) | 2018-11-13 |
Family
ID=64069358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710283806.XA Pending CN108799389A (en) | 2017-04-26 | 2017-04-26 | A kind of high voltage electric equipment seismic isolation device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1318756A1 (en) * | 1984-03-11 | 1987-06-23 | Всесоюзный Научно-Исследовательский И Экспериментально-Конструкторский Институт Коммунального Машиностроения | Shock absorber |
| CN201656298U (en) * | 2010-04-29 | 2010-11-24 | 王菁 | Radial-inflow frictional damping shock absorber |
| CN102221062A (en) * | 2011-06-16 | 2011-10-19 | 中国电力科学研究院 | Metal rubber damping shock absorber |
| CN103038535A (en) * | 2010-07-29 | 2013-04-10 | 伊顿公司 | Friction member and friction material thereof |
| CN104087857A (en) * | 2014-07-02 | 2014-10-08 | 安庆谢德尔汽车零部件有限公司 | High-performance compression spring material |
| CN105839974A (en) * | 2016-06-12 | 2016-08-10 | 东北电力大学 | Shock insulation device for high-voltage electrical equipment of transformer substation |
| CN106555832A (en) * | 2016-12-08 | 2017-04-05 | 河南师范大学 | Frictional metal helical spring type antivibrator |
-
2017
- 2017-04-26 CN CN201710283806.XA patent/CN108799389A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1318756A1 (en) * | 1984-03-11 | 1987-06-23 | Всесоюзный Научно-Исследовательский И Экспериментально-Конструкторский Институт Коммунального Машиностроения | Shock absorber |
| CN201656298U (en) * | 2010-04-29 | 2010-11-24 | 王菁 | Radial-inflow frictional damping shock absorber |
| CN103038535A (en) * | 2010-07-29 | 2013-04-10 | 伊顿公司 | Friction member and friction material thereof |
| CN102221062A (en) * | 2011-06-16 | 2011-10-19 | 中国电力科学研究院 | Metal rubber damping shock absorber |
| CN104087857A (en) * | 2014-07-02 | 2014-10-08 | 安庆谢德尔汽车零部件有限公司 | High-performance compression spring material |
| CN105839974A (en) * | 2016-06-12 | 2016-08-10 | 东北电力大学 | Shock insulation device for high-voltage electrical equipment of transformer substation |
| CN106555832A (en) * | 2016-12-08 | 2017-04-05 | 河南师范大学 | Frictional metal helical spring type antivibrator |
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Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |