CN202392035U - Stay-wire type shock absorption system of electrical device - Google Patents

Stay-wire type shock absorption system of electrical device Download PDF

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Publication number
CN202392035U
CN202392035U CN2011204418460U CN201120441846U CN202392035U CN 202392035 U CN202392035 U CN 202392035U CN 2011204418460 U CN2011204418460 U CN 2011204418460U CN 201120441846 U CN201120441846 U CN 201120441846U CN 202392035 U CN202392035 U CN 202392035U
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CN
China
Prior art keywords
drag
electrical equipment
line
boom guy
shock absorption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011204418460U
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Chinese (zh)
Inventor
代泽兵
高坡
卢智成
崔成臣
张雪松
朱祝兵
吉晔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANXI ELECTRIC POWER COMANY
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
Original Assignee
China Electric Power Research Institute Co Ltd CEPRI
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Priority to CN2011204418460U priority Critical patent/CN202392035U/en
Application granted granted Critical
Publication of CN202392035U publication Critical patent/CN202392035U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a stay-wire type shock absorption system of an electrical device, comprising an electrical device and multiple groups of stay-wire type shock absorption devices, wherein each group of stay-wire type shock absorption device comprises a first stay wire, a second stay wire and a shock absorption device; two ends of the first stay wire are respectively connected with the top of the electrical device and one end of the shock absorption device; two ends of the second stay wire are respectively connected with the other end of the shock absorption device and a foundation bolt. The stay-wire type shock absorption device has a simple structure, and the stay-wire type shock absorption system disclosed by the utility model is convenient to assemble, is low in cost and an excellent shock absorption effect, and can provide effective shock absorption protection for the electrical device.

Description

Electrical equipment boom guy type shock mitigation system
Technical field
The utility model relates to the electrical equipment cushion technique, relates in particular to a kind of electrical equipment boom guy type shock mitigation system.
Background technique
At present, national urbanization is increasing to the demand and the degree of dependence of electric power with modernization industry, and power engineering has been one of important component part of national lifeline.Can't proper functioning in case electrical equipment damages, not only cause economic loss difficult to the appraisal, and influence the safety and stability and the development and national economy of entire society.
Electrical equipment can be divided into two types of porcelain knob equipment and the low dwarf forms equipment (like transformer) of thin and tall type according to its profile.Wherein for example lightning arrester, mutual inductor etc. of the porcelain knob equipment of thin and tall type has single-unit porcelain bushing shell structure or have the more piece porcelain bushing shell structure that flange connects, and be rack-mount usually.Low dwarf forms equipment is transformer etc. for example.
The investigation result that the violent earthquake that occurs over the years causes electrical equipment to damage shows, it is impaired serious that the porcelain knob electrical equipment, particularly 500kV of thin and tall type and following contains the electrical equipment of large-scale porcelain bushing shell.Trace it to its cause and mainly be: the porcelain knob equipment of thin and tall type generally all has elongated and is the sleeve pipe of porcelain, and pottery is a brittle material, and anti-bending strength is very poor; If the shape of electrical equipment structure is not only elongated, and top mass is bigger, and the root of porcelain bushing shell will bear big moment of flexure when then earthquake taking place, and is prone to make the porcelain bushing shell strength deficiency and ruptures, and causes device damage.Therefore, how the porcelain knob electrical equipment being carried out damping control, is one of key technology of protection porcelain knob electrical equipment.
The model utility content
The utility model provides a kind of electrical equipment boom guy type shock mitigation system, is used to electrical equipment shock-absorbing protecting is provided.
The utility model provides a kind of electrical equipment boom guy type shock mitigation system, comprising:
Electrical equipment and many group boom guy type damping devices;
Every group of boom guy type damping device comprises: first drag-line, second drag-line and vibration damper; The two ends of said first drag-line connect the top of said electrical equipment and an end of said vibration damper respectively; The two ends of said second drag-line connect the other end and the stone bolt of said vibration damper respectively.
In order to improve the convenience that drag-line connects, optional, said first drag-line is connected with the top of said electrical equipment through flange plate.Optional, be connected with pretension bolt between said second drag-line and the said stone bolt.In order to improve the convenience that vibration damper connects and changes, bolt or pin can be passed through in the two ends of said vibration damper, are connected with said second drag-line with said first drag-line respectively.In order to improve Security, optional, said first drag-line and said second drag-line are arranged with insulating sleeve respectively.Optional, said first drag-line and said second drag-line are isometric.The said boom guy type damping device of many groups can be specially: 4 groups of said boom guy type damping devices; 4 groups of said boom guy type damping device center symmetric arrangement.
In order to improve the versatility of electrical equipment boom guy type shock mitigation system, optional, electrical equipment boom guy type shock mitigation system also comprises: support; Said electrical equipment is arranged on the top of said support.Said support is: Steel Bracket or concrete support.Optional, said electrical equipment can be the porcelain knob electrical equipment.
In the electrical equipment boom guy type shock mitigation system that the utility model provides; The electrical equipment top is connected with many group boom guy type damping devices; Between two drag-lines that every group of boom guy type damping device comprises, vibration damper is set; Can effectively weaken the seismic energy of importing from ground, thereby can effectively reduce the seismic response of electrical equipment, improve the shock resistance of electrical equipment.In the technological scheme that the utility model provides, the boom guy type damping device is simple in structure, and shock mitigation system is easy to assembly; Cost is lower; Have damping effect preferably, effective shock-absorbing protecting is provided, and then help safeguarding the safe operation of network system thereby can be electrical equipment.
Description of drawings
The structural representation of the electrical equipment boom guy type shock mitigation system that Fig. 1 provides for the utility model;
Fig. 2 be among Fig. 1 A-A to generalized section;
Fig. 3 is the local enlarged diagram at B position among Fig. 1.
Reference character:
The 1-electrical equipment; 2-first drag-line; 3-second drag-line;
The 4-vibration damper; The 5-flange plate; The 6-stone bolt;
The 7-pretension bolt; The 8-support; 9-bolt or pin.
Embodiment
The structural representation of the electrical equipment boom guy type shock mitigation system that Fig. 1 provides for the utility model.Shock mitigation system as shown in Figure 1 comprises: electrical equipment 1 and many group boom guy type damping devices.Every group of boom guy type damping device comprises: first drag-line 2, second drag-line 3 and vibration damper 4; The two ends of first drag-line 2 connect the top of electrical equipment 1 and an end of vibration damper 4 respectively; The two ends of second drag-line 3 connect the other end and the stone bolt 6 of vibration damper 4 respectively.
The quantity of boom guy type damping device can be confirmed according to actual needs.For example: the quantity of boom guy type damping device can be 4 groups, 4 groups of boom guy type damping device center symmetric arrangement.
Optional, first drag-line 2 of every group of boom guy type damping device all can be connected with the top of electrical equipment 1 through flange plate 5.Fig. 2 be among Fig. 1 A-A to generalized section.Offer many group through holes in the flange plate as shown in Figure 2, the connecting head of first drag-line 2 can pass the through hole of flange plate relevant position, is connected with the top of electrical equipment.
Fig. 3 is the local enlarged diagram at B position among Fig. 1.As shown in Figure 3, in order to improve the convenience that vibration damper connects and changes, bolt or pin 9 can be passed through in the two ends of vibration damper 4, are connected with second drag-line 3 with first drag-line 2 respectively.In order to improve Security, first drag-line 2 and second drag-line 3 can be distinguished sheathed insulating sleeve.Optional, be connected with pretension bolt 7 between second drag-line 3 and the stone bolt 6, through pretension bolt 7 is regulated, can make win drag-line 2 and second drag-line 3 have certain pretightening force, thereby help improving damping performance.Optional, first drag-line 2 and second drag-line 3 are isometric, and under this situation, vibration damper 4 is equivalent to be installed near the central position or central position of every group of boom guy type damping device, thereby be convenient to vibration damper the seismic energy that is applied on the drag-line is carried out effective attenuation.
Above-mentioned boom guy type damping device can carry out shock-absorbing protecting to electrical equipment, and the type of this electrical equipment is unrestricted.Concrete, this electrical equipment 10 can be an easy impaired porcelain knob electrical equipment in earthquake, for example: 500kV and the following porcelain knob equipment that contains electrical equipment, lightning arrester, mutual inductor or other thin and tall types of large-scale porcelain bushing shell.Based on the needs of electrical equipment as installed, some electrical equipment such as porcelain knob equipment need the configuration support to install, and under this situation, the electrical equipment boom guy type shock mitigation system that the utility model provides also can comprise: support 8; Electrical equipment 1 is arranged on the top of support 8, is provided support for electrical equipment 1 by support 8.Optional, this support 8 can be specially Steel Bracket or concrete support.
A kind of optional installation method of the utility model electrical equipment support damping device is described below, is specifically comprised:
Step 1: the base of electrical equipment is fixed on the bottom of support, and at the welded top flange plate of electrical equipment.
Step 2: with two drag-lines is first drag-line and second drag-line, is connected the two ends of vibration damper through bolt; The other end of first drag-line is fixed in bolt on the annular slab of flange plate of electrical equipment welded top; The other end of second drag-line connects a pretension bolt, and with pretension bolt be embedded into underground stone bolt and be connected; Accomplished the installation of one group of boom guy type damping device thus.
Step 3: repeated execution of steps 2, accomplish the installation of other 3 groups of boom guy type damping devices.
4 groups of boom guy type damping devices after the installation are with the central axis symmetric arrangement of central apparatus.Every group of boom guy type damping device becomes angle with the central axis of electrical equipment be α, and wherein, the angle of α can be confirmed in advance according to actual needs, like characteristics and the device type according to electrical equipment, confirm the actual angle of α.
Step 4: regulate the pretension bolt of respectively organizing the boom guy type damping device, make the drag-line of respectively organizing the boom guy type damping device keep certain pretightening force.
After the installation of electrical equipment boom guy type shock mitigation system, can carry out effective attenuation, thereby reach the purpose of protection electrical equipment through the boom guy type damping device to being input to the seismic energy that is arranged on electrical equipment.
The electrical equipment boom guy type shock mitigation system that this practical information provides can increase the boom guy type damping device and improve electrical equipment such as the whole anti-seismic performance of porcelain knob electrical equipment on the basis of the existing anti-seismic performance of electrical equipment self.The working procedure of boom guy type damping device can comprise two stages: the phase I is under the frequently occurred earthquake effect; Boom guy type damping device generation resiliently deformable; At this stage boom guy type damping device owing to do not produce plastic deformation, so generally only provide rigidity that damping is not provided; Second stage is an electrical equipment under rare violent earthquake effect of meeting, and this stage pull-down line formula damping device generation elasto plastic deformation not only provides rigidity that damping also is provided.It is thus clear that; The boom guy type damping device not only has rigidity preferably, can bear the axial tension that the equipment swing is produced under the frequently occurred earthquake effect, the normal operation of service equipment; And vibration damper can produce plastic deformation under the rarely occurred earthquake effect; Can absorb seismic energy, reduce the seismic effect of electrical equipment, thereby reach the purpose that the protection electrical equipment is avoided earthquake damage.
In order to obtain better damping effect; Those of ordinary skills can combine actual damping needs; Vibration damper to the utility model carries out reasonable material, makes: damping device has on vertically preferably rigidity bear the axial tension of drag-line, and has endurance quality and easy-maintenance preferably.
To sum up; In the electrical equipment boom guy type shock mitigation system that the utility model provides; The electrical equipment top is connected with many group boom guy type damping devices, between two drag-lines that every group of boom guy type damping device comprises, vibration damper is set, and can effectively weaken from the seismic energy of ground input; Thereby can effectively reduce the seismic response of electrical equipment, improve the shock resistance of electrical equipment.In the technological scheme that the utility model provides, the boom guy type damping device is simple in structure, and shock mitigation system is easy to assembly; Cost is lower; Have damping effect preferably, effective shock-absorbing protecting is provided, and then help safeguarding the safe operation of network system thereby can be electrical equipment.
What should explain at last is: above each embodiment is only in order to the technological scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of each embodiment's technological scheme of essence disengaging the utility model of relevant art scheme.

Claims (10)

1. an electrical equipment boom guy type shock mitigation system is characterized in that, comprising:
Electrical equipment and many group boom guy type damping devices;
Every group of boom guy type damping device comprises: first drag-line, second drag-line and vibration damper; The two ends of said first drag-line connect the top of said electrical equipment and an end of said vibration damper respectively; The two ends of said second drag-line connect the other end and the stone bolt of said vibration damper respectively.
2. system according to claim 1 is characterized in that, said first drag-line is connected with the top of said electrical equipment through flange plate.
3. system according to claim 1 is characterized in that, is connected with pretension bolt between said second drag-line and the said stone bolt.
4. system according to claim 1 is characterized in that, the two ends of said vibration damper are connected with said second drag-line with said first drag-line respectively through bolt or pin.
5. system according to claim 1 is characterized in that, said first drag-line and said second drag-line are arranged with insulating sleeve respectively.
6. system according to claim 1 is characterized in that, said first drag-line and said second drag-line are isometric.
7. system according to claim 1 is characterized in that, organizes said boom guy type damping device more and is specially: 4 groups of said boom guy type damping devices; 4 groups of said boom guy type damping device center symmetric arrangement.
8. system according to claim 1 is characterized in that said system also comprises: support; Said electrical equipment is arranged on the top of said support.
9. system according to claim 8 is characterized in that, said support is: Steel Bracket or concrete support.
10. system according to claim 1 is characterized in that, said electrical equipment is the porcelain knob electrical equipment.
CN2011204418460U 2011-11-09 2011-11-09 Stay-wire type shock absorption system of electrical device Expired - Lifetime CN202392035U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204418460U CN202392035U (en) 2011-11-09 2011-11-09 Stay-wire type shock absorption system of electrical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204418460U CN202392035U (en) 2011-11-09 2011-11-09 Stay-wire type shock absorption system of electrical device

Publications (1)

Publication Number Publication Date
CN202392035U true CN202392035U (en) 2012-08-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204418460U Expired - Lifetime CN202392035U (en) 2011-11-09 2011-11-09 Stay-wire type shock absorption system of electrical device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103103930A (en) * 2013-02-01 2013-05-15 北京交通大学 Post-added pre-stress cable strengthening method
CN103866687A (en) * 2014-03-19 2014-06-18 北京工业大学 Energy-dissipation self-resetting bridge pier column structure
CN106356736A (en) * 2016-09-21 2017-01-25 南京南瑞继保电气有限公司 Vibration isolating device
CN108916304A (en) * 2018-08-27 2018-11-30 西安建筑科技大学 One kind being used to support electrical equipment stay-supported SMA complex three-dimensional shock mitigation system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103103930A (en) * 2013-02-01 2013-05-15 北京交通大学 Post-added pre-stress cable strengthening method
CN103866687A (en) * 2014-03-19 2014-06-18 北京工业大学 Energy-dissipation self-resetting bridge pier column structure
CN106356736A (en) * 2016-09-21 2017-01-25 南京南瑞继保电气有限公司 Vibration isolating device
CN108916304A (en) * 2018-08-27 2018-11-30 西安建筑科技大学 One kind being used to support electrical equipment stay-supported SMA complex three-dimensional shock mitigation system
CN108916304B (en) * 2018-08-27 2024-02-02 西安建筑科技大学 Pull-wire type SMA composite three-dimensional damping system for supporting electrical equipment

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP. SHANXI ELECTRIC POWER COR

Effective date: 20130514

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130514

Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee after: China Electric Power Research Institute

Patentee after: State Grid Corporation of China

Patentee after: Shanxi Electric Power Comany

Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15

Patentee before: China Electric Power Research Institute

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120822