CN205159532U - Circuit graphite ground connection cable - Google Patents

Circuit graphite ground connection cable Download PDF

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Publication number
CN205159532U
CN205159532U CN201521044351.9U CN201521044351U CN205159532U CN 205159532 U CN205159532 U CN 205159532U CN 201521044351 U CN201521044351 U CN 201521044351U CN 205159532 U CN205159532 U CN 205159532U
Authority
CN
China
Prior art keywords
graphite
graphite packing
lower plate
ground connection
circuit
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
CN201521044351.9U
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Chinese (zh)
Inventor
郑连勇
张民
毕斌
高子菡
乔大伟
王大鹏
王丽英
贾明亮
隋金文
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.)
State Grid Corp of China SGCC
Maintenance Branch of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Maintenance Branch of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201521044351.9U priority Critical patent/CN205159532U/en
Application granted granted Critical
Publication of CN205159532U publication Critical patent/CN205159532U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Circuit graphite ground connection cable, including two graphite packing, the metal sheet is connected to graphite packing's one end, sets up the through -hole on the metal sheet, and graphite packing's the other end sets up the fixing base, sets up on the fixing base to alternate the hole, and it is downthehole that two graphite packing's tip inserts the other side's interlude each other, and the lateral part of fixing base sets up the cassette, the graphite packing's between two fixing bases periphery winding lashing wire, the both ends of lashing wire all set up end of a thread checkpost, end of a thread checkpost and cassette cooperation. The utility model discloses a graphite packing substitutes the naked copper patchcord, and graphite packing has the good phenomenon that the corruption can not appear in the linear while of leading to the durability of earth connection is greatly improved.

Description

Circuit graphite ground connection cable
Technical field
The utility model relates to a kind of earthing device, specifically a kind of circuit graphite ground connection cable.
Background technology
Earth connection is exactly the line directly connecting the earth, also can be called safety return circuit line, and time dangerous, it just switches through high voltage direct and marries the earth, a lifeline at last.Earth connection in electric power system: be the important tool in order to ensure staff when unexpectedly there is voltage on the equipment had a power failure and circuit.By regulation promulgated by the ministries or commissions of the Central Government, existing earth connection is that more than 25mm2 naked copper flexible cord is made, and the phenomenon of corrosion appears in Long-Time Service naked copper flexible cord.The self-strength of graphite packing is not high, occurs that vibration can damage graphite packing in transportation.
Utility model content
The purpose of this utility model is to provide a kind of circuit graphite ground connection cable, can solve the problem.
The utility model for achieving the above object, be achieved through the following technical solutions: circuit graphite ground connection cable, comprise two graphite packings, one end connection metal plate of graphite packing, metallic plate offers through hole, the other end of graphite packing arranges holder, inserting hole offered by holder, two graphite packings end mutually insert in the inserting hole of the other side, the sidepiece of holder arranges deck, the periphery of the graphite packing between two holders is wound around lashing wire, and the two ends of lashing wire all arrange the end of a thread clamp, and the end of a thread clamp coordinates with deck.
In order to realize the purpose of this utility model further, can also by the following technical solutions: described metallic plate coordinates setting geometrical clamp, described geometrical clamp comprises train wheel bridge, lower plate, spring and fixed lever, lower plate is arranged on casing, the hinged lower plate in side, bottom of train wheel bridge, mounting spring between train wheel bridge and lower plate, fixed lever is installed in the opposite side bottom of train wheel bridge, link slot is offered in the side of lower plate, train wheel bridge can coordinate with lower plate clamps metallic plate, and fixed lever can coordinate with link slot through through hole; Box house installs several roll shaft and several geometrical clamp, and several groove is offered in the side of casing, and graphite packing, in a roll shaft sidepiece, roll shaft is coiled in each slot.The top mounting knob of described casing.Protective pad is installed in the bottom of described casing.
The utility model has the advantage of: the utility model adopts graphite packing to substitute naked copper flexible cord, and graphite packing there will not be the phenomenon of corrosion while having good wire-conducting performance, thus substantially increases the durability of earth connection.The utility model can resist the electrochemical corrosion of high salinity degree soil, substantially there is not corrosion phenomenon; There is not oxide layer in material surface under double 155kA rush of current, shows good impulse current oxide etch tolerance; Impulse current tolerance is strong, 24.2 DEG C, under humidity 65% condition, after standing continuous 5 156.5kA to 157.5kA impulse currents, its resistivity (ρ) still can remain on the level of 0.117 Ω m, lower than resistivity setting 0.25 Ω m; After carrying out double 153kA, 153.5kA impulse current counterattack test, reversed polarity remains on 8.1%, is less than 20% of setting, meets criterion of acceptability.When single graphite packing curtailment, two graphite packings are connected by mode shown in the utility model, can stablize, firmly coordinate, joint is retrained by bundling belt, bundling belt two ends are simultaneously restrained, be connected more firm performance with adhesive tape strong, effectively improve the stability of link.The utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model; Fig. 2 is the I partial enlargement structural representation of Fig. 1; Fig. 3 is structural representation two of the present utility model; Fig. 4 is the II partial enlargement structural representation of Fig. 3.
Mark illustrates: 1 handle 2 casing 4 graphite packing 5 roll shaft 6 saturating groove 7 through hole 8 metallic plate 9 train wheel bridge 10 link slot 11 lower plate 12 spring 13 fixed lever 14 protective pad 15 holder, 16 inserting holes, 17 decks, 18 the end of a thread clamps, 19 lashing wires.
Embodiment
Circuit graphite ground connection cable, it is characterized in that: comprise two graphite packings 4, one end connection metal plate 8 of graphite packing 4, metallic plate 8 is offered through hole 7, the other end of graphite packing 4 arranges holder 15, holder 15 is offered inserting hole 16, two graphite packings 4 end mutually insert in the inserting hole 16 of the other side, the sidepiece of holder 15 arranges deck 17, the periphery of the graphite packing 4 between two holders 15 is wound around lashing wire 19, the two ends of lashing wire 19 all arrange the end of a thread clamp 18, and the end of a thread clamp 18 coordinates with deck 17.The utility model adopts graphite packing to substitute naked copper flexible cord, and graphite packing there will not be the phenomenon of corrosion while having good wire-conducting performance, thus substantially increases the durability of earth connection.The utility model can resist the electrochemical corrosion of high salinity degree soil, substantially there is not corrosion phenomenon; There is not oxide layer in material surface under double 155kA rush of current, shows good impulse current oxide etch tolerance; Impulse current tolerance is strong, 24.2 DEG C, under humidity 65% condition, after standing continuous 5 156.5kA to 157.5kA impulse currents, its resistivity (ρ) still can remain on the level of 0.117 Ω m, lower than resistivity setting 0.25 Ω m; After carrying out double 153kA, 153.5kA impulse current counterattack test, reversed polarity remains on 8.1%, is less than 20% of setting, meets criterion of acceptability.When single graphite packing curtailment, two graphite packings are connected by mode shown in the utility model, can stablize, firmly coordinate, joint is retrained by bundling belt, bundling belt two ends are simultaneously restrained, be connected more firm performance with adhesive tape strong, effectively improve the stability of link.The utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Described metallic plate 8 coordinates setting geometrical clamp, described geometrical clamp comprises train wheel bridge 9, lower plate 11, spring 12 and fixed lever 13, lower plate 11 is arranged on casing 2, the hinged lower plate 11 in side, bottom of train wheel bridge 9, mounting spring 12 between train wheel bridge 9 and lower plate 11, fixed lever 13 is installed in the opposite side bottom of train wheel bridge 9, and link slot 10 is offered in the side of lower plate 11, train wheel bridge 9 can coordinate with lower plate 11 clamps metallic plate 8, and fixed lever 13 can coordinate with link slot 10 through through hole 7; Several roll shaft 5 and several geometrical clamp are installed in casing 2 inside, and several groove 6 is offered in the side of casing 2, and each groove 6 is positioned at roll shaft 5 sidepiece, roll shaft 5 coils graphite packing 4.Roll shaft of the present utility model can reel graphite packing, and geometrical clamp can clamp metallic plate simultaneously, and corrosion-resistant earth connection can not be damaged under vibrations.Spring of the present utility model can make train wheel bridge and lower plate can clamp metallic plate in the absence of external forces.Fixed lever of the present utility model can coordinate with link slot through through hole when metallic plate clamped by train wheel bridge with lower plate, avoids metallic plate from slippage geometrical clamp.
The top mounting knob 1 of described casing 2.Handle 1 of the present utility model can person's transportation route graphite ground connection cable easy to use.
Protective pad 14 is installed in the bottom of described casing 2.Protective pad 14 of the present utility model can avoid casing 2 to damage.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The technology contents of the not detailed description of the utility model is known technology.

Claims (4)

1. circuit graphite ground connection cable, it is characterized in that: comprise two graphite packings (4), one end connection metal plate (8) of graphite packing (4), metallic plate (8) is offered through hole (7), the other end of graphite packing (4) arranges holder (15), holder (15) is offered inserting hole (16), the end of two graphite packings (4) is inserted in the inserting hole (16) of the other side mutually, the sidepiece of holder (15) arranges deck (17), the periphery of the graphite packing (4) between two holders (15) is wound around lashing wire (19), the two ends of lashing wire (19) all arrange the end of a thread clamp (18), the end of a thread clamp (18) coordinates with deck (17).
2. circuit graphite ground connection cable according to claim 1, it is characterized in that: described metallic plate (8) is upper coordinates setting geometrical clamp, described geometrical clamp comprises train wheel bridge (9), lower plate (11), spring (12) and fixed lever (13), lower plate (11) is arranged on casing (2), the hinged lower plate in the side, bottom (11) of train wheel bridge (9), mounting spring (12) between train wheel bridge (9) and lower plate (11), fixed lever (13) is installed in the opposite side bottom of train wheel bridge (9), link slot (10) is offered in the side of lower plate (11), train wheel bridge (9) can coordinate with lower plate (11) clamps metallic plate (8), fixed lever (13) can pass through hole (7) and coordinate with link slot (10), several roll shaft (5) and several geometrical clamp are installed in casing (2) inside, and several groove (6) is offered in the side of casing (2), and each groove (6) is positioned at roll shaft (5) sidepiece, roll shaft (5) upper coiling graphite packing (4).
3. circuit graphite ground connection cable according to claim 2, is characterized in that: the top mounting knob (1) of described casing (2).
4. circuit graphite ground connection cable according to claim 2, is characterized in that: protective pad (14) is installed in the bottom of described casing (2).
CN201521044351.9U 2015-12-15 2015-12-15 Circuit graphite ground connection cable Expired - Fee Related CN205159532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521044351.9U CN205159532U (en) 2015-12-15 2015-12-15 Circuit graphite ground connection cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521044351.9U CN205159532U (en) 2015-12-15 2015-12-15 Circuit graphite ground connection cable

Publications (1)

Publication Number Publication Date
CN205159532U true CN205159532U (en) 2016-04-13

Family

ID=55695189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521044351.9U Expired - Fee Related CN205159532U (en) 2015-12-15 2015-12-15 Circuit graphite ground connection cable

Country Status (1)

Country Link
CN (1) CN205159532U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356087A (en) * 2015-12-15 2016-02-24 国家电网公司 Line graphite earthing cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105356087A (en) * 2015-12-15 2016-02-24 国家电网公司 Line graphite earthing cable

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Legal Events

Date Code Title Description
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: 20160413

Termination date: 20161215

CF01 Termination of patent right due to non-payment of annual fee