CN204179243U - A kind of grounding disc device for cement electric pole - Google Patents

A kind of grounding disc device for cement electric pole Download PDF

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Publication number
CN204179243U
CN204179243U CN201420558067.2U CN201420558067U CN204179243U CN 204179243 U CN204179243 U CN 204179243U CN 201420558067 U CN201420558067 U CN 201420558067U CN 204179243 U CN204179243 U CN 204179243U
Authority
CN
China
Prior art keywords
base plate
support column
fixing unit
electric pole
grounding disc
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 - Fee Related
Application number
CN201420558067.2U
Other languages
Chinese (zh)
Inventor
胡爱中
王立新
黄峥
叶鸿亮
高春宏
任予为
何宝龙
何琰
纪瑞璟
姚永坤
沈天元
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.)
SHANGHAI FURUKAWA ELECTRIC POWER SYSTEMS Co Ltd
SHANGHAI SOUTH POWER SUPPLY DESIGN CO Ltd
Original Assignee
SHANGHAI FURUKAWA ELECTRIC POWER SYSTEMS Co Ltd
SHANGHAI SOUTH POWER SUPPLY DESIGN CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI FURUKAWA ELECTRIC POWER SYSTEMS Co Ltd, SHANGHAI SOUTH POWER SUPPLY DESIGN CO Ltd filed Critical SHANGHAI FURUKAWA ELECTRIC POWER SYSTEMS Co Ltd
Priority to CN201420558067.2U priority Critical patent/CN204179243U/en
Application granted granted Critical
Publication of CN204179243U publication Critical patent/CN204179243U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of grounding disc device for cement electric pole, it is characterized in that: described grounding disc device is by base plate, the support column be located on base plate, and the fixing unit to be connected with support column top binds round and forms, support column is arranged at the surrounding of base plate, the matching size that size and the fixing unit of base plate bind round closes, and fixing unit hoop is connected with grounding disc lead-in wire.Should " grounding disc " be connected with cement electric pole Integral grounding terminal by band steel, composition earthing device, the function of chassis, earth electrode unites two into one by this version.Substitute cement electric pole anti-settling cement round bottom dish and anti-lightning strike ground pipe respectively, effectively improve the lightning protection level of overhead transmission line and cement electric pole vertical rod efficiency and construction quality.

Description

A kind of grounding disc device for cement electric pole
Technical field
The utility model relates to overhead transmission line lightning protection and cement electric pole and to construct the technical field of vertical rod, specifically a kind of " grounding disc " integrating both the anti-settling round bottom dish of cement electric pole and earth electrode function, substitutes cement electric pole anti-settling cement round bottom dish and anti-lightning strike ground pipe respectively.
Background technology
At present, the former employing plain conductor of District of Shanghai 10kV distribution line, can not cause line-outage contingency during thunderbolt.Along with the significantly increase of power consumption, a large amount of 10kV circuit enters into city.The accidents such as short circuit are caused to occur for avoiding the reasons such as high-altitude junk.District of Shanghai 10kV distribution line has popularized application insulated conductor in an all-round way.There is line-outage contingency when being struck by lightning for avoiding insulated conductor, every root cement pole must be installed by earthing device.
Along with the significantly increase of power consumption, have employed large-section lead and the higher cement pole of intensity, for preventing cement pole from sinking, bottom set dish must be divided at every root cement pole.
Workman is in the anti-settling round bottom dish process of installation, and when bar position, periphery has other pipelines, when can not arrange chassis, can only abandon and be transported to on-the-spot round bottom dish, look for some stones, fragment of brick is placed on the end, hole and replaces round bottom dish.Bar hole excavation area is comparatively large, and road pavement is damaged also large, and damages (road surface reparation etc.) is significantly increased.
Ground pipe, in installation ground pipe process, for reducing the damage of road pavement, is arranged on apart from outer, cement pole 0.3 m(bar hole by workman) left and right, make grounding resistance not reach designing requirement.The more difficult bar position of ground pipe is arranged to color guidance tape road surface etc., then ground pipe is not set, the cement pole that ground pipe and grounding resistance do not reach 10 Ω is not set, when being struck by lightning, lightning current counterattack voltage is easy to make insulator arc-over on this cement pole, causes phase fault accident.
Summary of the invention
The purpose of this utility model is the grounding disc device for cement electric pole providing a kind of improvement, and it can overcome anti-settling round bottom dish and ground pipe in prior art and arrange inconvenience, easily causes the some shortcomings that pavement damage or short circuit accident occur.
To achieve these goals, the technical solution of the utility model is: a kind of grounding disc device for cement electric pole, it is characterized in that: described grounding disc device is by base plate, the support column be located on base plate, and the fixing unit to be connected with support column top binds round and forms, support column is arranged at the surrounding of base plate, the matching size that size and the fixing unit of base plate bind round closes, and fixing unit hoop is connected with grounding disc lead-in wire.
During use, the utility model adopts without top cover cylinder mouse cage type structure form, adopts circular steel plate, work the downforce effect of bearing cement pole, wire bottom grounding disc; Make 1, unit's hoop as cylinder mouse cage top with band steel, this yuan of hoop is evenly equipped with four and presses closer bolt; With several bar shaped band steels, binding round vertical welding with bottom circular steel plate and top unit respectively makes grizzly bar shape squirrel-cage periphery with dividing equally, play earth electrode effect, different soil is adjusted by increase and decrease grizzly bar shape squirrel-cage cylinder strip quantity or cylinder height.Should " grounding disc " be connected with cement electric pole Integral grounding terminal by band steel, composition earthing device, the function of chassis, earth electrode unites two into one by this version.Substitute cement electric pole anti-settling cement round bottom dish and anti-lightning strike ground pipe respectively, effectively improve the lightning protection level of overhead transmission line and cement electric pole vertical rod efficiency and construction quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The label of each accompanying drawing is expressed as follows: 1 chassis, 2 fixing unit hoops, 3 press closer bolt, 4 support columns, 5 grounding disc lead-in wires.
A kind of grounding disc device for cement electric pole described in the utility model, it is characterized in that: described grounding disc device is by base plate, the support column be located on base plate, and the fixing unit to be connected with support column top binds round and forms, support column is arranged at the surrounding of base plate, the matching size that size and the fixing unit of base plate bind round closes, and fixing unit hoop is connected with grounding disc lead-in wire.Connecing chassis lead-in wire adopts band steel or other metal material to make.
Base plate is made up of metal material, and the surrounding of base plate is evenly equipped with 3-30 root support column, and support column is made up of band steel, and support column forms longitudinal fence between base plate and fixing unit hoop.Spacing between support column is by garden week decile, and numerical value does not assign to 30 deciles not etc. from third-class; The altitude range of support column is 200mm to 2000mm, and the diameter of support column is directly proportional to its cross section, and usual sectional area scope is 10 square millimeters to 500 square millimeters, and adopted is rectangle band steel here, its concrete specification 4*25mm 2.
Base plate is made up of circular steel plate, the surrounding of base plate is evenly equipped with 4-8 root support column, and support column is made up of band steel, be arranged in parallel between adjacent support column, support column forms longitudinal fence between base plate and fixing unit hoop, and support column is connected for vertical between binding round with base plate and fixing unit.The advantage of employing flat bar stock is inexpensive and mechanical strength is high, less support column can be adopted to reach stronger resistance to compression and load performance, the concrete specification 4*25mm of adopted rectangle band steel here 2.
Fixing unit hoop is made up of band steel, fixing unit hoop is evenly equipped with 3-6 and presses closer bolt.Support column and base plate and fixing unit pass through between bind round to weld or bolt is fixedly connected with.
During use, the diameter 2-20mm larger than cement pole base diameter of base plate, base plate thickness can meet requirement of strength, is greater than the quality of cement pole, wire, and under grounding disc device, soil can meet downforce requirement; Make 1, fixing unit hoop as the top connecing base apparatus with band steel, this fixing unit hoop is evenly equipped with 4 and presses closer bolt; With several bar shaped band steels, binding round vertical welding with bottom circular steel plate and top unit respectively makes grizzly bar shape squirrel-cage periphery with dividing equally, and plays earth electrode effect; Should " grounding disc " be connected with cement electric pole Integral grounding terminal as grounding disc lead-in wire by band steel (or other metal material), composition earthing device, the function of chassis, earth electrode unites two into one by this version.Substitute cement electric pole anti-settling cement round bottom dish and anti-lightning strike ground pipe respectively, effectively improve the lightning protection level of overhead transmission line and cement electric pole vertical rod efficiency and construction quality.
Grounding disc structure is simple, and constructability is installed, and significantly can reduce the operation intensity of workmen, can ensure construction quality again, reach object of increasing work efficiency.
After the success of grounding disc device experiment, as a new technology, in all new vertical rod engineerings, there is great application value.
After adopting the utility model patent grounding disc device, not only reduce the damage of road pavement, damages will significantly reduce.Under same landform, geological conditions, the grounding resistance of grounding disc is lower than ground pipe, can reduce lightning current counterattack voltage, improves the lightning withstand level of circuit, reduces power outage.And the construction operation intensity of workman can be alleviated significantly, 18 pounds of iron hammers are thrown into electric power museum.

Claims (5)

1. the grounding disc device for cement electric pole, it is characterized in that: described grounding disc device is by base plate, the support column be located on base plate, and the fixing unit to be connected with support column top binds round and forms, support column is arranged at the surrounding of base plate, the matching size that size and the fixing unit of base plate bind round closes, and fixing unit hoop is connected with grounding disc lead-in wire.
2. a kind of grounding disc device for cement electric pole according to claim 1, it is characterized in that: base plate is made up of circular steel plate, the surrounding of base plate is evenly equipped with 3-30 root support column, support column is made up of band steel, be arranged in parallel between adjacent support column, support column forms longitudinal fence between base plate and fixing unit hoop.
3. a kind of grounding disc device for cement electric pole according to claim 1, it is characterized in that: base plate is made up of circular steel plate, the surrounding of base plate is evenly equipped with 4-8 root support column, support column is made up of band steel, be arranged in parallel between adjacent support column, support column forms longitudinal fence between base plate and fixing unit hoop, and support column is connected for vertical between binding round with base plate and fixing unit.
4. a kind of grounding disc device for cement electric pole according to claim 1, is characterized in that: fixing unit hoop is made up of band steel, fixing unit hoop is evenly equipped with 3-6 and presses closer bolt.
5. a kind of grounding disc device for cement electric pole according to claim 1, is characterized in that: support column and base plate and fixing unit pass through between bind round to weld or bolt is fixedly connected with.
CN201420558067.2U 2014-09-26 2014-09-26 A kind of grounding disc device for cement electric pole Expired - Fee Related CN204179243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420558067.2U CN204179243U (en) 2014-09-26 2014-09-26 A kind of grounding disc device for cement electric pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420558067.2U CN204179243U (en) 2014-09-26 2014-09-26 A kind of grounding disc device for cement electric pole

Publications (1)

Publication Number Publication Date
CN204179243U true CN204179243U (en) 2015-02-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420558067.2U Expired - Fee Related CN204179243U (en) 2014-09-26 2014-09-26 A kind of grounding disc device for cement electric pole

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654615A (en) * 2015-11-04 2017-05-10 国网辽宁省电力有限公司本溪供电公司 High-voltage grounding wire fixed grounding terminal structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654615A (en) * 2015-11-04 2017-05-10 国网辽宁省电力有限公司本溪供电公司 High-voltage grounding wire fixed grounding terminal structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20150926

EXPY Termination of patent right or utility model