CN209045787U - A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member - Google Patents
A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member Download PDFInfo
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- CN209045787U CN209045787U CN201821548914.1U CN201821548914U CN209045787U CN 209045787 U CN209045787 U CN 209045787U CN 201821548914 U CN201821548914 U CN 201821548914U CN 209045787 U CN209045787 U CN 209045787U
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- electric power
- power line
- type electric
- grounded screen
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 76
- 239000000178 monomer Substances 0.000 claims description 14
- 238000003032 molecular docking Methods 0.000 claims description 9
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 31
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Abstract
A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member, belongs to power system transmission line tower grounding net construction field.It is characterized by: being provided with connecting rod and being spaced two groups of spacers (1) being mounted in connecting rod, two groups of spacers (1) are flexibly connected with connecting rod, it is offered on spacer (1) spacer holes (3), the interval insulant in different grounded screens is respectively charged into the spacer holes (3) of two groups of spacers (1).In this spacing adjustable type electric power line pole tower combination grounded screen distance member, by setting connecting rod and be flexibly connected in connecting rod two groups of spacers are set, the earthing material in two grounded screens is spaced by two groups of spacers, improve the reliability at earthing material interval, it avoids occurring the case where having an impact lightning protection properties after two kinds of earthing material contacts between different grounded screen, reduce lightning protection properties.
Description
Technical field
A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member, belongs to power system transmission line bar
Tower grounded screen construction field.
Background technique
In the power system, grounded screen is to guarantee the important leverage of entire electrical system safety stable operation, grounding characteristics
It is the important factor in order for preventing tower top overvoltage and insulator arc-over.China's electric system grounded screen mostly uses steel, copper metal
Material and galvanized steel, copper cover earthing material of the coating alloys such as steel material as electric power grounding grid.When these earthing materials bury
In soil, corrosion easily occurs and is even broken.In order to cope with the corrosion problems of metallic ground material, flexibility is mostly used now
The compound earthing material of graphite is as the earthing material for constituting grounded screen, to improve the reliability of grounded screen.
In ground connection ditch, there is part steel material earthing material due to not eroding completely, it typically now can be by steel material
Earthing material and soft graphite earthing material horizontal parallel are laid with either vertical right-angled intersection parallel laid.Due to two kinds of ground connection
Lightning protection properties can be had an impact after material contact, reduce lightning protection properties.Therefore, it is necessary to by two kinds of earthing materials every opening
Keep certain distance.But in practical projects, often it is isolated by the way of relatively rough, is such as clamped using stone
Earthing material is isolated.Using these modes, it is not easy to command range, and easily relaxation allows two grounding bodies to contact.
Summary of the invention
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of by setting connection
Bar and two groups of spacers being flexibly connected in connecting rod are set, by two groups of spacers by the ground connection material in two grounded screens
Material is spaced, and the spacing adjustable type electric power line pole tower combination grounded screen interval of the reliability at earthing material interval is improved
Component.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the spacing adjustable type electric power line pole tower group
Splice grafting earth mat distance member, it is characterised in that: it is provided with connecting rod and is spaced two groups of spacers being mounted in connecting rod,
Two groups of spacers are flexibly connected with connecting rod, and spacer holes are offered on spacer, the interval insulant difference in different grounded screens
It is packed into the spacer holes of two groups of spacers.
Preferably, the spacer is " product " type, and the spacer holes open up at an upper portion thereof, and the connecting rod is between
The lower part of spacing body passes through, and the axis of connecting rod and the axis of spacer holes are vertical.
Preferably, the spacer is made of the docking of two block gap part monomers, is offered in the upper inner of spacer
Earthing member groove, the earthing member groove docking composition of the two spacer monomers spacer holes.
Preferably, the connecting rod is adjusting screw rod, and adjusting screw rod is threadedly coupled with spacer.
Preferably, the threaded hole being threadedly engaged with adjusting screw rod is offered in the lower part of the spacer, threaded hole runs through
The two sides of spacer.
Preferably, the adjusting screw rod includes the point for offering externally threaded thread segment and thread segment both ends being arranged in
End.
Preferably, the length of the thread segment is 250mm ~ 300mm, and diameter is 18mm ~ 22mm, and both ends tip is circular cone
Shape, a length of 20mm of cone.
Preferably, the earthing member groove is semicircle shape, a diameter of 30mm ~ 35mm.
Preferably, earthing member card slot is offered in the middle part of the cell wall of the earthing member groove.
Compared with prior art, beneficial effect possessed by the utility model is:
In this spacing adjustable type electric power line pole tower combination grounded screen distance member, by setting connecting rod and set
Two groups of spacers being flexibly connected in connecting rod are set, it will be between the earthing material progress in two grounded screens by two groups of spacers
Every improving the reliability at earthing material interval.Avoid meeting after two kinds of earthing material contacts between different grounded screen
Lightning protection properties are had an impact, lightning protection properties reduce the occurrence of.
By the way that tip is arranged, the earth is inserted into when placing vertically convenient for conductor spacer, while being conducive to adjusting screw rod and spacer
Between docking.
Detailed description of the invention
Fig. 1 is that spacing adjustable type electric power line pole tower combines grounded screen distance member structural schematic diagram.
Fig. 2 is that spacing adjustable type electric power line pole tower combines grounded screen distance member adjusting screw rod structural schematic diagram.
Fig. 3 is that spacing adjustable type electric power line pole tower combines grounded screen distance member spacer monomers perspective view.
Fig. 4 is that spacing adjustable type electric power line pole tower combines grounded screen distance member spacer monomers front view.
Fig. 5 ~ 6 are that spacing adjustable type electric power line pole tower combines grounded screen distance member use state diagram.
Wherein: 1, spacer 2, adjusting screw rod 3, spacer holes 4, thread segment 5, tip 6, earthing member card slot 7, ground connection
Part groove 8, threaded hole 9, ground line 10, earth plate.
Specific embodiment
Fig. 1 ~ 6 are the most preferred embodiments of the utility model, and 1 ~ 6 pair of the utility model is done furtherly with reference to the accompanying drawing
It is bright.
As shown in Figure 1, a kind of spacing adjustable type electric power line pole tower combination grounded screen (is hereinafter referred to as spaced with distance member
Component), including adjusting screw rod 2 and one group of spacer 1 being mounted on adjusting screw rod 2.Spacer 1 is in " product " type, adjusts spiral shell
The lower part of bar 2 from spacer 1 is run through and is connected through a screw thread between spacer 1.It is provided on the top of each spacer 1
One spacer holes 3, different earthing materials are respectively charged into different spacer holes 3, realize two ground connection materials by spacer 1
The interval of material.Referring to Fig. 5 ~ 6, the significant interval of two sections of different ground lines of diameter 9 is realized by spacer 1 in Fig. 5,
The significant interval of ground line 9 and earth plate 10 is realized in Fig. 6 by spacer 1.
As shown in Fig. 2, adjusting screw rod 2 includes thread segment 4 and the tip 5 that 4 both ends of thread segment are arranged in, tip 5 is circle
Cone cell is inserted into the earth, while being conducive to adjusting screw rod 2 and spacer 1 by the way that tip 5 is arranged when placing vertically convenient for conductor spacer
Between docking.The outer surface of thread segment 4 offers the external screw thread cooperated with spacer holes 3.External screw thread can be according to actual needs
It is set as the opposite screw thread of direction of both ends, to carry out the adjusting of spacing distance again after being packed into earthing material.
In this distance member, the length of thread segment 4 is 280mm, diameter 20mm, and 5 cone of both ends tip is a length of
20mm。
As shown in Fig. 3 ~ 4, each spacer 1 is made of the identical two spacer monomers docking of structure, in spacer
The inside front of monomer offers earthing member groove 7, and earthing member groove 7 is semicircle shape, therefore two block gap part monomers dock it
Afterwards, the earthing member groove 7 of two sides is spliced to form circular spacer holes 3.
The earthing member card slot 6 of rectangle is offered in the middle part of 7 cell wall of earthing member groove, therefore two block gap part monomers dock
Later, the earthing member card slot 6 of two sides is oppositely arranged, when being packed into earth plate 10 as shown in FIG. 6, convenient for two to earth plate 10
Side is clamped.
Offered on the downside of spacer monomer for 2 mate with threaded holes 8 of adjusting screw rod, the central axis direction of threaded hole 8
It is vertical with the central axis direction of earthing member groove 7.Threaded hole 8 is the through-hole at left and right sides of spacer monomer, therefore between two
It can be passed through by same adjusting screw rod 2 after the docking of spacing body monomer and realize threaded connection.
In this distance member, the diameter of earthing member groove 7 is 32mm, can be used to fasten the cylinder steel that diameter is 12mm
Matter and diameter are the earthing material of 28mm cylinder soft graphite material.6 length and width size of earthing member card slot is respectively 5mm, 6mm, can
It is 40mm for fastening width, the pancake earthing material of a height of 5mm, the aperture of threaded hole 8 is 20mm, offers interior spiral shell in slot
Line, can be on adjusting screw rod 2 with moving in rotation.
Specific operation process and operating procedure are as follows:
Four spacer monomers are removed, wherein forming two groups of spacers 1 after docking two-by-two, are then spaced adjusting screw rod 2 certainly
Two groups of spacers 1 are mounted on adjusting screw rod 2 simultaneously after being screwed at the threaded hole 8 of 1 lower section of part, being adjusted by the thread makes two groups
It is spaced enough distances between spacer 1, then the ground line 9 being spaced or earth plate 10 will be needed conveniently to be placed in two groups of spacers
In 1 spacer holes 3, to realize the reliable interval of two groups of earthing materials, substantially increases and be spaced between different grounded screens
Reliability is avoided to have an impact lightning protection properties after two kinds of earthing material contacts between different grounded screen, be reduced anti-
The case where thunder performance, occurs.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (9)
1. a kind of spacing adjustable type electric power line pole tower combines grounded screen distance member, it is characterised in that: be provided with connecting rod
And two groups of spacers (1) that interval is mounted in connecting rod, two groups of spacers (1) are flexibly connected with connecting rod, in spacer
(1) it is offered on spacer holes (3), the interval insulant in different grounded screens is respectively charged into the spacer holes (3) of two groups of spacers (1)
It is interior.
2. spacing adjustable type electric power line pole tower according to claim 1 combines grounded screen distance member, feature exists
It is " product " type in: the spacer (1), the spacer holes (3) open up at an upper portion thereof, and the connecting rod is from spacer
(1) lower part passes through, and the axis of connecting rod is vertical with the axis of spacer holes (3).
3. spacing adjustable type electric power line pole tower according to claim 1 or 2 combines grounded screen distance member, feature
Be: the spacer (1) is made of the docking of two block gap part monomers, offers ground connection in the upper inner of spacer (1)
Part groove (7), earthing member groove (7) the docking composition of the two spacer monomers spacer holes (3).
4. spacing adjustable type electric power line pole tower according to claim 1 combines grounded screen distance member, feature exists
In: the connecting rod is adjusting screw rod (2), and adjusting screw rod (2) is threadedly coupled with spacer (1).
5. spacing adjustable type electric power line pole tower according to claim 4 combines grounded screen distance member, feature exists
In: the threaded hole (8) being threadedly engaged with adjusting screw rod (2) is offered in the lower part of the spacer (1), threaded hole (8) runs through
The two sides of spacer (1).
6. spacing adjustable type electric power line pole tower according to claim 4 combines grounded screen distance member, feature exists
In: the adjusting screw rod (2) includes offering externally threaded thread segment (4) and setting at the tip at thread segment (4) both ends
(5).
7. spacing adjustable type electric power line pole tower according to claim 6 combines grounded screen distance member, feature exists
In: the length of the thread segment (4) is 250mm ~ 300mm, and diameter is 18mm ~ 22mm, and both ends tip (5) are coniform, circular cone
The a length of 20mm of body.
8. spacing adjustable type electric power line pole tower according to claim 3 combines grounded screen distance member, feature exists
In: the earthing member groove (7) is semicircle shape, a diameter of 30mm ~ 35mm.
9. spacing adjustable type electric power line pole tower according to claim 3 combines grounded screen distance member, feature exists
In: earthing member card slot (6) are offered at the cell wall middle part of the earthing member groove (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821548914.1U CN209045787U (en) | 2018-09-21 | 2018-09-21 | A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821548914.1U CN209045787U (en) | 2018-09-21 | 2018-09-21 | A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member |
Publications (1)
Publication Number | Publication Date |
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CN209045787U true CN209045787U (en) | 2019-06-28 |
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CN201821548914.1U Expired - Fee Related CN209045787U (en) | 2018-09-21 | 2018-09-21 | A kind of spacing adjustable type electric power line pole tower combination grounded screen distance member |
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Country | Link |
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CN (1) | CN209045787U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112821095A (en) * | 2021-01-06 | 2021-05-18 | 广东电网有限责任公司惠州供电局 | Method for reducing impact grounding impedance and non-equal-diameter grounding device |
-
2018
- 2018-09-21 CN CN201821548914.1U patent/CN209045787U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112821095A (en) * | 2021-01-06 | 2021-05-18 | 广东电网有限责任公司惠州供电局 | Method for reducing impact grounding impedance and non-equal-diameter grounding device |
CN112821095B (en) * | 2021-01-06 | 2023-02-03 | 广东电网有限责任公司惠州供电局 | Method for reducing impact grounding impedance and non-equal-diameter grounding device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20190921 |
|
CF01 | Termination of patent right due to non-payment of annual fee |