CN106451135A - Shock isolation device for electrical device - Google Patents
Shock isolation device for electrical device Download PDFInfo
- Publication number
- CN106451135A CN106451135A CN201610932605.3A CN201610932605A CN106451135A CN 106451135 A CN106451135 A CN 106451135A CN 201610932605 A CN201610932605 A CN 201610932605A CN 106451135 A CN106451135 A CN 106451135A
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- Prior art keywords
- connection mechanism
- elastomer
- flexible connection
- supporter
- electrical equipment
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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
- F16F15/04—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 elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a shock isolation device for an electrical device. The shock isolation device comprises a support body, a first elastic connection mechanism and at least two second elastic connection mechanisms, wherein the first end of the first elastic connection mechanism is connected with the support body; the second end of the first elastic connection mechanism is connected with a basic phase; each second elastic connection mechanism is arranged on the periphery of the first elastic connection mechanism in a surrounding way; each second elastic connection mechanism and the first elastic connection mechanism are arranged in a form of an include angle; the first end of each second elastic connection mechanism is rotatably connected with the support body; the second end of each second elastic connection mechanism is rotatably connected with the basic phase; the support body is connected with the electrical device. According to the shock isolation device for the electrical device provided by the invention, the shock isolation device has accurate zero stiffness and can be used for carrying out shock insulation on low-frequency earthquakes, meanwhile, the earthquake force stressed on the electrical device is smaller, and the anti-seismic property of the electrical device is effectively improved.
Description
Technical field
The present invention relates to technical field of power systems, in particular to a kind of electrical equipment earthquake isolating equipment.
Background technology
At present, as the important component part of lifeline engineering, the shock resistance of electrical equipment is increasingly subject to people's
Pay attention to.For example, transformator, as the key equipment in transformer station, once occur to destroy will lead to the inefficacy of line related, affects
The normal operation of whole electrical power trans mission/distribution system.Existing Disaster Data shows, in transformer station under geological process, transformator may be sent out
Situations such as life is fallen platform, topples over and shift, the serious safe and stable operation threatening electrical network, and pass through seismic isolation technology and can effectively improve
The anti-seismic performance of transformator, reduces its response under geological process.
According to linear theory of vibration isolation, only when driving frequency is more than with system frequency ratioWhen, earthquake isolating equipment is
Can play a role, therefore traditional earthquake isolating equipment centering, high frequency pumping have preferable isolating affection.However, the Zhuo of seismic wave
More frequency is typically in the range of 1-10Hz, for this low-frequency excitation, the natural frequency of earthquake isolating equipment must very little just can play every
Shake acts on, and this requires that the rigidity of earthquake isolating equipment is very little, but too small rigidity not only can produce larger Static Correction and also can
The stability of impact earthquake isolating equipment.The natural frequency of existing transformator earthquake isolating equipment is higher, and low-frequency acoustic effect can not be produced
Raw preferable isolating affection.
Content of the invention
In consideration of it, the present invention proposes a kind of electrical equipment earthquake isolating equipment it is intended to solve existing electrical equipment shock insulation
The device problem poor to the isolating affection of low-frequency acoustic.
On one side, the present invention proposes a kind of electrical equipment earthquake isolating equipment, supporter, the first flexible connection mechanism and
At least two second flexible connection mechanisms；Wherein, the first end of described first flexible connection mechanism is connected with described supporter,
Second end is used for being connected with basis；Each described second flexible connection mechanism encloses the week located at described first flexible connection mechanism
Enclose, and, each described second flexible connection mechanism is in all that angle is arranged with described first flexible connection mechanism；Each described
The first end of two flexible connection mechanisms is all rotationally connected with described supporter, each described second flexible connection mechanism
Second end is used for rotationally being connected with basis；Described supporter is used for being connected with electrical equipment.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described first flexible connection mechanism is hung down with described supporter
Straight setting；Each described second flexible connection mechanism is arranged in obtuse angle with described supporter.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described first flexible connection mechanism includes：First push rod,
First elastomer and the first spacing cylinder of one end open；Wherein, the cylinder bottom of described first spacing cylinder is used for and basic phase
Connect；Described first elastomer is placed in described first position-limiting drum body；
The first end of described first push rod is connected with described supporter, and the second end of described first push rod is placed in described
It is connected in one position-limiting drum body and with the first end of described first elastomer.
Further, in above-mentioned electrical equipment earthquake isolating equipment, the second end of described first elastomer limits with described first
The cylinder bottom of position cylinder is connected.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described first push rod includes：Described first push rod includes：
First body of rod and the first retainer；Wherein,
Described first retainer is slidably positioned in described first position-limiting drum body, and, the of described first retainer
End face is connected with the first end of described first elastomer；
Described first shank portion is placed in described first position-limiting drum body, and, the first end of described first body of rod and institute
State supporter to be connected, the second end of described first body of rod is connected with the second end face of described first retainer.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described second flexible connection mechanism includes：Described second bullet
Property bindiny mechanism includes：Second spacing cylinder of the second push rod, the second elastomer and one end open；Wherein, described second is spacing
The cylinder bottom of cylinder is used for rotationally being connected with basis；Described second elastomer is placed in described second position-limiting drum body；Institute
The first end stating the second push rod is rotationally connected with described supporter, and the second end of described second push rod is placed in described second
It is connected in position-limiting drum body and with the first end of described second elastomer.
Further, in above-mentioned electrical equipment earthquake isolating equipment, the second end of described second elastomer limits with described second
The cylinder bottom of position cylinder is connected.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described second push rod includes：Second body of rod and the second block
Portion；Wherein, described second retainer is slidably positioned in described second position-limiting drum body, and, the of described second retainer
End face is connected with the first end of described second elastomer；Described second shank portion is placed in described second position-limiting drum body,
And, the first end of described second body of rod is rotationally connected with described supporter, the second end of described second body of rod and institute
The second end face stating the second retainer is connected.
Further, in above-mentioned electrical equipment earthquake isolating equipment, described first elastomer and/or described second elastomer are
Spring.
Further, in above-mentioned electrical equipment earthquake isolating equipment, each described second flexible connection mechanism is with described supporter
Centered on be circularly and evenly distributed.
In the present invention, the first flexible connection mechanism provides larger Static stiffness to support electrical equipment, and, the first elasticity
Bindiny mechanism provides positive rigidity upwards, the second flexible connection mechanism being in angle setting with the first flexible connection mechanism provide to
Under negative stiffness, positive stiffness and negative stiffness numerical value is equal, in opposite direction so that earthquake isolating equipment has quasi- zero stiffness, can be to low-frequency acoustic
Carry out shock insulation, simultaneously so that the seismic force very little that is subject to of electrical equipment, effectively increase the anti-seismic performance of electrical equipment.
Brief description
By reading the detailed description of hereafter preferred implementation, various other advantages and benefit are common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as to the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings：
Fig. 1 is the structural representation of electrical equipment earthquake isolating equipment provided in an embodiment of the present invention；
Fig. 2 is the front view of in running order electrical equipment earthquake isolating equipment provided in an embodiment of the present invention；
Fig. 3 is the top view of in running order electrical equipment earthquake isolating equipment provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of electrical equipment earthquake isolating equipment provided in an embodiment of the present invention；
Fig. 5 is the change curve with displacement for the electrical equipment earthquake isolating equipment rigidity provided in an embodiment of the present invention.
Specific embodiment
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment it being understood, however, that may be realized in various forms the disclosure and should not be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to be able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.It should be noted that in the case of not conflicting, embodiment in the present invention and
Feature in embodiment can be mutually combined.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Referring to Fig. 1 and Fig. 2, in figure shows the preferred knot of electrical equipment earthquake isolating equipment provided in an embodiment of the present invention
Structure.This earthquake isolating equipment includes：Supporter 1, the first flexible connection mechanism 2 and at least two second flexible connection mechanisms 3.
Wherein, the first end (upper end shown in Fig. 1) of the first flexible connection mechanism 2 is connected with supporter 1, the first bullet
Property bindiny mechanism 2 the second end (lower end shown in Fig. 1) be used for be connected with basis.Specifically, the first flexible connection mechanism 2
Can have larger Static stiffness, the first end of the first flexible connection mechanism 2 can be fixedly connected with supporter 1, such as weld；The
Second end of one flexible connection mechanism 2 can be fixedly connected with basis.
Each second flexible connection mechanism 3 encloses located at the first flexible connection mechanism 2 around, and, each second elasticity is even
Connection mechanism 3 is in angle setting all with the first flexible connection mechanism 2.Specifically, the first flexible connection mechanism 2 can be along any direction
It is arranged between supporter 1 and basis.Each second flexible connection mechanism 3 may be uniformly distributed in the first flexible connection mechanism 2
Around, each second flexible connection mechanism 3 and the angle of the first flexible connection mechanism 2 can be selected as the case may be,
The present embodiment does not do any restriction to it.
The first end of each the second flexible connection mechanism 3 is all rotationally connected with supporter 1, and each second elasticity is even
Second end of connection mechanism 3 is used for rotationally being connected with basis.Specifically, the first end of each the second flexible connection mechanism 3
Supporter 1 can be articulated with, the second end of each the second flexible connection mechanism 3 can also be articulated with basis.
Supporter 1 is used for being connected with electrical equipment.Specifically, supporter 1 and the connected mode of electrical equipment can be
It is detachably connected, be such as spirally connected.
The work process of the present embodiment is：When electrical equipment is positioned on supporter 1, electrical equipment can be to the first elasticity
Bindiny mechanism 2 applies downward active force, can provide positive rigidity upwards during the first flexible connection mechanism 2 compression,
Under seismic force effects, each second flexible connection mechanism 3 can provide during rotating with respect to supporter 1 and basis downwards
Negative stiffness, due to each second flexible connection mechanism 3 provide negative stiffness big with the positive rigidity that the first flexible connection mechanism 2 provides
Little identical, in opposite direction, earthquake isolating equipment entirety dynamic stiffness close to zero, passes to the power of electrical equipment also with regard to very little, wherein, when
When each second flexible connection mechanism 3 is compressed into horizontality, isolating affection preferably, can reduce geological process to greatest extent
The destruction to electrical equipment for the power.
In the present embodiment, the first flexible connection mechanism provides larger Static stiffness to support electrical equipment, and, the first bullet
Property bindiny mechanism positive rigidity upwards is provided, the second flexible connection mechanism being in angle setting with the first flexible connection mechanism provides
Downward negative stiffness, positive stiffness and negative stiffness numerical value is equal, in opposite direction so that earthquake isolating equipment has quasi- zero stiffness, can to low frequency ground
Shake carries out shock insulation, simultaneously so that the seismic force very little that is subject to of electrical equipment, effectively increases the anti-seismic performance of electrical equipment.
With continued reference to Fig. 1 and Fig. 2, in above-described embodiment, the first flexible connection mechanism 2 and supporter 1 are vertically arranged.Specifically
Ground, the first flexible connection mechanism 2 is vertically installed between supporter 1 and basis.Each second flexible connection mechanism 3 and supporter 1
Arrange in obtuse angle, specifically, the plane that each second Flexible Connector 3 is located with supporter 1 can the setting in β angle.Preferably, β
Angle can be 135 °, now, the angle theta of each second flexible connection mechanism 3 and horizontal direction (for Fig. 1)0For 45 °,
The dynamic stiffness of device is about zero, and the active force that electrical equipment is subject to is minimum.
As can be seen that the first flexible connection mechanism 2 can provide the positive rigidity on vertical direction, each second elastic connection machine
Structure 3 can provide the negative stiffness on vertical direction so that the dynamic stiffness of earthquake isolating equipment in the vertical direction is closer to zero, makes
Obtain the power very little that earthquake isolating equipment in the vertical direction passes to electrical equipment, electrical equipment is served with preferable function of shock insulation.
Referring to Fig. 2 and Fig. 3, in above-described embodiment, the first flexible connection mechanism 2 can include：First push rod 21, the first bullet
Gonosome 22 and the first spacing cylinder 23 of one end open.
Wherein, the first end (upper end shown in Fig. 2) of the first push rod 21 is connected with supporter 1.Specifically, first push away
Connected mode between bar 21 and supporter 1 can be for being fixedly connected.First elastomer 22 is placed in the first spacing cylinder 23, the
Second end (lower end shown in Fig. 2) of one push rod 21 is placed in the first spacing cylinder 23 and the first end with the first elastomer 22
(upper end shown in Fig. 2) is connected.Specifically, the connected mode of the first push rod 21 and the first nonrigid connector 22 can be solid
Fixed connection.
The cylinder bottom of the first spacing cylinder 23 is used for being connected with basis.Specifically, the cylinder bottom of the first spacing cylinder 23
Basis can be fixedly connected on.
As can be seen that when the first push rod 21 is subject to active force, the first elasticity can be made to the first elastomer 22 to apply active force
Body 22 is compressed axially along the first spacing cylinder 23, thus providing the positive rigidity of vertical direction.
In the various embodiments described above, the second end of the first elastomer 22 is connected with the cylinder bottom of the first spacing cylinder 23.Specifically
Ground, the second end of the first elastomer 22 can be fixed on the cylinder bottom of the first spacing cylinder 23, can prevent under seismic force effects, the
One elastomer 22 deviates from the first spacing cylinder 23 thus ineffective.
In the various embodiments described above, the first push rod 21 includes：First body of rod 211 and the first retainer 212.Firstth retainer
212 and first annexations between the body of rod 211 can be welding.The first end of first body of rod 211 is connected with supporter 1,
Annexation between first body of rod 211 and supporter 1 can be welding.
Wherein, the first retainer 212 is slidably positioned in the first spacing cylinder 23, and, the of the first retainer 212
End face (lower end shown in Fig. 2) is connected with the first end of the first elastomer 22.When being embodied as, the first retainer 212
The first elastomer 22 can be limited and skid off the first spacing cylinder 23.
First body of rod 211 is partially disposed in the first spacing cylinder 23, and, the second end of first body of rod 211 and the first card
The second end face (upper end shown in Fig. 2) of stopper 212 is connected.Specifically, the part near the second end for first body of rod 211 is put
In the first spacing cylinder 23, the second end of first body of rod 211 can be welded on one with the second end face of the first retainer 212
Rise.
When being embodied as, after first body of rod 211 is supported the active force of body 1, this active force is put on the first block
Portion 212, finally, active force can act on the first elastomer 22 so that the first elastomer 22 is compressed, and provides on vertical direction
Positive rigidity so that displacement under geological process for the electrical equipment is unlikely to excessive and is protected.
In above-described embodiment, the second flexible connection mechanism 3 includes：Second push rod 31, the second elastomer 32 and one end open
The second spacing cylinder 33.
Wherein, the first end (upper end shown in Fig. 2) of the second push rod 31 is rotationally connected with supporter 1.Second
Elastomer 32 is placed in the second spacing cylinder 33.It is spacing that second end (lower end shown in Fig. 2) of the second push rod 31 is placed in second
It is connected in cylinder 33 and with the first end (upper end shown in Fig. 2) of the second elastomer 32.Second push rod 31 and the second elasticity
Connected mode between body 32 can be for being fixedly connected.The cylinder bottom of the second spacing cylinder 33 is used for rotationally being connected with basis
Connect.
As can be seen that when the second push rod 31 is subject to active force, the second elasticity can be made to the second elastomer 32 to apply active force
Body 32 is compressed axially along the second spacing cylinder 33, thus providing the negative stiffness of vertical direction.
In above-described embodiment, the second end of the second elastomer 32 is connected with the cylinder bottom of the second spacing cylinder 33.Specifically,
The cylinder bottom of the second spacing cylinder 33 can be fixed in second end of the second elastomer 32, can prevent under seismic force effects, and second
Spacing cylinder 33 deviates from the second spacing cylinder 33 thus ineffective.
In above-described embodiment, the second push rod 31 includes：Second body of rod 311 and the second retainer 312.Second retainer 312
Annexation and second body of rod 311 between can be welding.Second body of rod 311 and supporter 1 are rotatably coupled.Second bar
Connected mode between body 311 and supporter 1 can be hinged.
Wherein, the second retainer 312 is slidably positioned in the second spacing cylinder 33, and, the of the second retainer 312
End face (left end shown in Fig. 2) is connected with the first end of the second elastomer 32.When being embodied as, the second retainer 312
The second elastomer 32 can be limited and skid off the second spacing cylinder 33.
Second body of rod 311 is partially disposed in the second spacing cylinder 33, and, the second end of second body of rod 311 and the second card
The second end face (right-hand member shown in Fig. 2) of stopper 312 is connected.Specifically, the part near the second end for second body of rod 311 is put
In the second spacing cylinder 33, the second end of second body of rod 311 can be welded on one with the second end face of the second retainer 312
Rise.
When being embodied as, after second body of rod 311 is supported the active force of body 1, this active force is put on the second block
Portion 312, finally, active force can act on the second elastomer 32 so that the second elastomer 32 is compressed, and provides on vertical direction
Negative stiffness so that displacement under geological process for the electrical equipment is unlikely to excessive and is protected.
In above-described embodiment, the first elastomer 22 and/or the second elastomer 32 are spring.That is, the first elastomer
22 and second elastomer 32 can be spring, or in the first elastomer 22 and the second elastomer 32 one be spring, another
Individual other elastomeric elements being well known to those skilled in the art.It should be noted that when being embodied as, the stiffness coefficient of spring
Can be determined according to practical situation, the present embodiment does not do any restriction to it.
In above-described embodiment, each second flexible connection mechanism 3 is circularly and evenly distributed centered on supporter 1.Specifically,
Each second flexible connection mechanism 3 can be along the edge spaced set of supporter 1 so that the overall structure of earthquake isolating equipment be more steady
Fixed, for example, the second flexible connection mechanism 3 is 4 and is equally spaced along the edge of supporter 1.
The operation principle of the earthquake isolating equipment that the present embodiment provides can be by being reduced to first elastomer 22 and two
The apparatus structure of the second elastomer 32 is as follows to derive:
Referring to Fig. 4 and Fig. 5 it is assumed that the rigidity of the second elastomer 32 is k0, former a length of L0, the second elastomer 32 and level side
To angle theta0For 45 °；The rigidity of the first elastomer 22 is k1, former a length of L1.Then when earthquake isolating equipment is subject to external force f, the first bullet
Relation between the displacement x of gonosome 22 and f can be expressed as：
Wherein, α=k0/k1.Second elastomer 32 can also be x in the displacement of vertical direction, and therefore, the second elastomer 32 is in vertically side
To displacement x and f between relation can also be expressed as above formula.
Therefore, the dynamic stiffness of the device being made up of the first elastomer 22 and two the second elastomers 32 can be expressed as：Work as θ0=45 °, during α=1.2, dynamic stiffness is with the change of x
Change if Fig. 5 is it is seen that work as x/L0=sin θ0When, that is,：When second elastomer 32 is compressed into level, the dynamic stiffness of device is about zero,
Now, the active force that electrical equipment is subject to close to 0, and when vibrating near this position, rigidity still very little, accordingly,
The active force very little that electrical equipment is subject within this range.
In sum, the electrical equipment earthquake isolating equipment that the present embodiment provides, can so that earthquake isolating equipment has quasi- zero stiffness
So that shock insulation is carried out to low-frequency acoustic, simultaneously so that the seismic force very little that is subject to of electrical equipment, effectively increase the anti-of electrical equipment
Shock stability.
Obviously, those skilled in the art can carry out the various changes and modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprise these changes and modification.
Claims (10)
1. a kind of electrical equipment earthquake isolating equipment is it is characterised in that include：Supporter (1), the first flexible connection mechanism (2) and
At least two second flexible connection mechanisms (3)；Wherein,
The first end of described first flexible connection mechanism (2) is connected with described supporter (1), and the second end is used for being connected with basis
Connect；
Each described second flexible connection mechanism (3) is enclosed located at described first flexible connection mechanism (2) around, and, each institute
Stating the second flexible connection mechanism (3) is in all that angle is arranged with described first flexible connection mechanism (2)；
The first end of each described second flexible connection mechanism (3) is all rotationally connected with described supporter (1), each institute
The second end stating the second flexible connection mechanism (3) is used for rotationally being connected with basis；
Described supporter (1) is used for being connected with electrical equipment.
2. electrical equipment earthquake isolating equipment according to claim 1 it is characterised in that
Described first flexible connection mechanism (2) and described supporter (1) are vertically arranged；
Each described second flexible connection mechanism (3) is arranged in obtuse angle with described supporter (1).
3. electrical equipment earthquake isolating equipment according to claim 1 is it is characterised in that described first flexible connection mechanism
(2) include：First spacing cylinder (23) of the first push rod (21), the first elastomer (22) and one end open；Wherein,
The cylinder bottom of described first spacing cylinder (23) is used for being connected with basis；
Described first elastomer (22) is placed in the described first spacing cylinder (23)；
The first end of described first push rod (21) is connected with described supporter (1), and the second end of described first push rod (21) is put
It is connected in the described first spacing cylinder (23) and with the first end of described first elastomer (22).
4. electrical equipment earthquake isolating equipment according to claim 3 it is characterised in that described first elastomer (22)
Two ends are connected with the cylinder bottom of the described first spacing cylinder (23).
5. electrical equipment earthquake isolating equipment according to claim 4 is it is characterised in that described first push rod (21) includes：
First body of rod (211) and the first retainer (212)；Wherein,
Described first retainer (212) is slidably positioned in the described first spacing cylinder (23), and, described first retainer
(212) first end face is connected with the first end of described first elastomer (22)；
Described first body of rod (211) is partially disposed in the described first spacing cylinder (23), and, described first body of rod (211)
First end is connected with described supporter (1), the second end of described first body of rod (211) and described first retainer (212)
Second end face is connected.
6. electrical equipment earthquake isolating equipment according to any one of claim 1 to 5 is it is characterised in that described second bullet
Property bindiny mechanism (3) include：Second spacing cylinder (33) of the second push rod (31), the second elastomer (32) and one end open；Its
In,
The cylinder bottom of described second spacing cylinder (33) is used for rotationally being connected with basis；
Described second elastomer (32) is placed in the described second spacing cylinder (33)；
The first end of described second push rod (31) is rotationally connected with described supporter (1), described second push rod (31)
Second end is placed in the described second spacing cylinder (33) and is connected with the first end of described second elastomer (32).
7. electrical equipment earthquake isolating equipment according to claim 6 it is characterised in that described second elastomer (32)
Two ends are connected with the cylinder bottom of the described second spacing cylinder (33).
8. electrical equipment earthquake isolating equipment according to claim 7 is it is characterised in that described second push rod (31) includes：
Second body of rod (311) and the second retainer (312)；Wherein,
Described second retainer (312) is slidably positioned in the described second spacing cylinder (33), and, described second retainer
(312) first end face is connected with the first end of described second elastomer (32)；
Described second body of rod (311) is partially disposed in the described second spacing cylinder (33), and, described second body of rod (311)
First end is rotationally connected with described supporter (1), the second end of described second body of rod (311) and described second retainer
(312) second end face is connected.
9. electrical equipment earthquake isolating equipment according to claim 8 it is characterised in that described first elastomer (22) and/
Or described second elastomer (32) is spring.
10. electrical equipment earthquake isolating equipment according to any one of claim 1 to 5 is it is characterised in that each described second
Flexible connection mechanism (3) is circularly and evenly distributed centered on described supporter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932605.3A CN106451135A (en) | 2016-10-25 | 2016-10-25 | Shock isolation device for electrical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610932605.3A CN106451135A (en) | 2016-10-25 | 2016-10-25 | Shock isolation device for electrical device |
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| CN106451135A true CN106451135A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610932605.3A Pending CN106451135A (en) | 2016-10-25 | 2016-10-25 | Shock isolation device for electrical device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139787A (en) * | 2018-09-10 | 2019-01-04 | 中国人民解放军陆军装甲兵学院 | Extension spring formula quasi-zero stiffness vibration isolators |
| CN109611508A (en) * | 2018-11-02 | 2019-04-12 | 中国电力科学研究院有限公司 | A kind of earthquake isolating equipment for electrical equipment |
| CN112178121A (en) * | 2020-10-09 | 2021-01-05 | 北京理工大学 | Quasi-zero stiffness vibration isolator with inclined compression rod |
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| CN105972394A (en) * | 2016-07-12 | 2016-09-28 | 安徽工程大学 | Quasi-zero-rigidity vibration isolation platform |
| CN105971148A (en) * | 2016-07-21 | 2016-09-28 | 兰州理工大学 | Universal swing track supporting tuned mass damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109139787A (en) * | 2018-09-10 | 2019-01-04 | 中国人民解放军陆军装甲兵学院 | Extension spring formula quasi-zero stiffness vibration isolators |
| CN109611508A (en) * | 2018-11-02 | 2019-04-12 | 中国电力科学研究院有限公司 | A kind of earthquake isolating equipment for electrical equipment |
| CN112178121A (en) * | 2020-10-09 | 2021-01-05 | 北京理工大学 | Quasi-zero stiffness vibration isolator with inclined compression rod |
| CN112178121B (en) * | 2020-10-09 | 2022-06-10 | 北京理工大学 | Quasi-zero stiffness vibration isolator with inclined compression rod |
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