CN105932440A - Grounding device and grounding method applied to power field - Google Patents

Grounding device and grounding method applied to power field Download PDF

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Publication number
CN105932440A
CN105932440A CN201610400501.8A CN201610400501A CN105932440A CN 105932440 A CN105932440 A CN 105932440A CN 201610400501 A CN201610400501 A CN 201610400501A CN 105932440 A CN105932440 A CN 105932440A
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CN
China
Prior art keywords
wire
branch sleeve
hole
earthing bar
few font
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.)
Pending
Application number
CN201610400501.8A
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Chinese (zh)
Inventor
涂平稳
朱晓贤
吴玲
郑航
王成勇
石杨鹏
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
State Grid Sichuan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Sichuan 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, State Grid Sichuan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610400501.8A priority Critical patent/CN105932440A/en
Publication of CN105932440A publication Critical patent/CN105932440A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections

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  • Manufacturing Of Electrical Connectors (AREA)

Abstract

The invention discloses a grounding device and a grounding method applied to the power field, and aims at solving the problem of bad grounding in the prior art. The grounding device is provided with a grounding bar, wherein the grounding bar is provided with at least one wiring hole; a wiring device is arranged on each wiring hole and comprises a wire ferrule and a wire protecting groove part; a wire fixing part is arranged on the side wall of each wire ferrule in a penetrating manner; a wire protecting groove part is arranged at the end, in the corresponding wire ferrule, of each wire fixing part, and is in a groove structure; a connection hole is formed in the back surface of a groove of each wire protecting groove part; and each wire fixing part is detachably arranged in the corresponding connection hole. The method comprises the following steps: putting each wire ferrule into the corresponding wiring hole; enabling each wire fixing part to pass through corresponding elastic buffer part and wiring hole at the lower part of the grounding bar and fixing the corresponding wire ferrule on the grounding bar; enabling a grounding lead to pass through the corresponding wire ferrule, laminating the groove of each wire protecting groove part on the corresponding grounding lead; and screwing each wire fixing part into the connection hole of the corresponding wire protecting groove part, tightening up the wire fixing part and making the grounding lead clung to the inner wall of the corresponding wire ferrule.

Description

A kind of grounding device being applied to power domain and earthing method
Technical field
The present invention relates to technical field of power systems, specifically, be a kind of grounding device being applied to power domain and earthing method.
Background technology
The unified entirety that primary energy is converted to electric energy that power system is made up of the equipment such as generating, power transformation, transmission of electricity, distribution, power supply, electricity consumption and technology.After electric energy is sent by power plant, deliver to power consumer side, then supply user through power distribution network through grid by electric substations at different levels.In order to work and security needs in power system, often need to be connected some part of power system and electrical equipment thereof with the earth, here it is ground connection.
In power system ' ' refer to that the current potential of any point is taken as the earth conductive materials of 0 as usual.
Ground connection then refers to replace the electric conductivity between the electric conductor of the earth to be connected (metallicity connection) at circuit (equipment) with the earth or some.
Prior art is when carrying out ground connection, and ground lead is directly introduced the mode of underground or uses earthing bar to utilize bolt to be twisted joint on earthing bar by ground lead by use more.
When using the mode that ground lead is introduced underground, the long situation occurring extracting ground lead from underground so that the ground connection of this node can not normally be accessed;And use earthing bar during ground connection by the way of twisting joint, owing to ground lead exists situation about loosening with connecting of earthing bar, the situation of sparking between line and connector, or the situation of imperfect earth easily occur, the earthing effect making residing node is deteriorated, and has a strong impact on the operation of power system.
Summary of the invention
It is an object of the invention to design a kind of grounding device being applied to power domain and earthing method, solve prior art length and the weak point of imperfect earth occurs, its grounding device provided can being connected to ground lead discharge off gap on earthing bar, avoid the occurrence of imperfect earth and affect the earthing effect at this node, simultaneously because use groove structure to make ground lead tightr with the connection between wire ferrule, it is to avoid occur that the discharge scenario between conductor occurs;The operating procedure of its earthing method provided code requirement on the basis of using grounding device and technological requirement, carry out good ground connection to ground lead, it is to avoid occurs that the situation of imperfect earth occurs.
The present invention is achieved through the following technical solutions: a kind of grounding device being applied to power domain, it is provided with earthing bar, described earthing bar is provided with at least one wiring hole, described wiring hole is provided with termination, described termination includes wire ferrule, protects wire casing part, being provided through solidus part on the sidewall of wire ferrule, described solidus part is positioned on the termination of wire ferrule setting and protects wire casing part;The described wire casing part that protects is groove structure, and is provided with connecting hole on the back side protecting wire casing part groove, and described solidus part is detachably arranged in connecting hole.
Further the most described grounding device, uses following set-up mode: described solidus part is screw-rod structure, and connecting hole is provided with interior straight thread especially.
Further the most described grounding device, uses following set-up mode: being also arranged with resilient snubber on described solidus part, described resilient snubber is placed between nut head and the wire ferrule of solidus part especially.
Further the most described grounding device, uses following set-up mode especially: described in protect wire casing part be arc groove structure or square groove structure.
Further the most described grounding device, uses following set-up mode: described wire ferrule is any one in circle, ellipse, A font especially.
Further the most described grounding device, use following set-up mode especially: on described earthing bar, be additionally provided with ground connection support member, described ground connection support member includes a few font bracing frames, branch sleeve and the securing member that split is arranged, described branch sleeve is arranged on above a few font bracing frame, described earthing bar is arranged on above branch sleeve, and described securing member runs through connection earthing bar, branch sleeve and a few font bracing frame.
Further the most described grounding device, uses following set-up mode: the arch of described a few font bracing frames is provided with interior straight thread hole, and is provided with screwed hole on the two ends of several words especially;Described branch sleeve is that outside one end is provided with 6 faceted pebbles or 8 faceted pebbles or the structure of 12 faceted pebbles, and is provided with interior straight thread in the cylinder of branch sleeve.
Further the most described grounding device, use following set-up mode especially: described securing member includes screw rod, shell fragment, pad and nut, described screw rod runs through shell fragment and pad connects earthing bar, branch sleeve and a few font bracing frame, goes out a few font support frame end at screw rod and arranges nut.
Use a kind of method that grounding device being applied to power domain carries out ground connection, including step in detail below:
1) at ground connection site setup a few font bracing frame fixing hole, and in fixing hole, expansion bolt is buried underground;
2) by branch sleeve and securing member, earthing bar is fastened on a few font bracing frame;
3) wire ferrule is placed on wiring hole, and in the lower section of earthing bar, wire ferrule is fixed on earthing bar through resilient snubber and wiring hole by solidus part;
4) by ground lead through wire ferrule, and wire casing part groove will be protected it will be sticked on ground lead;
5) solidus part is screwed in the connecting hole protecting wire casing part, tighten, make ground lead be close to wire ferrule inwall;
6) screwed hole of a few font bracing frames is set on expansion bolt and fastens.
A kind of earthing method being applied to power domain, described step 2) include step in detail below:
2-1) that branch sleeve is relative with the center hole of earthing bar wherein one end with one end of faceted pebble;
2-2) successively shell fragment and pad are set on screw rod;
2-3) screw rod being arranged with shell fragment and pad is screwed in branch sleeve by the center hole of earthing bar one end;
2-4) after screw rod screws out branch sleeve, the interior straight thread hole that a few font bracing frames are arranged by arch is arranged on screw rod;The vault of described a few font bracing frame is close to branch sleeve;
Nut 2-5) is spun on screw rod go out on the bar of a few font bracing frame arch, and makes nut be close at the bottom of the arch of a few font bracing frames;
2-6) repeat step 2-1) to step 2-5), complete the fastening of the earthing bar other end.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention solves prior art length and the weak point of imperfect earth occurs, its grounding device provided can being connected to ground lead discharge off gap on earthing bar, avoid the occurrence of imperfect earth and affect the earthing effect at this node, simultaneously because use groove structure to make ground lead tightr with the connection between wire ferrule, it is to avoid occur that the discharge scenario between conductor occurs;The operating procedure of its earthing method provided code requirement on the basis of using grounding device and technological requirement, carry out good ground connection to ground lead, it is to avoid occurs that the situation of imperfect earth occurs.
(2) present invention is provided with shell fragment and pad in securing member, and arrange in a certain order, significantly more efficient branch sleeve, earthing bar and a few font bracing frame can be attached, it is to avoid connect insecure between three and occur that the situation of imperfect earth occurs.
(3) present invention is provided by the wire casing part that protects of groove and is limited in wire ferrule by ground lead, and tightened by solidus part, so that ground lead can be good be connected on earthing bar, on solidus part, arrange resilient snubber can further be compressed by the ground lead in wire ferrule simultaneously, avoid ground lead to come off in wire ferrule, affect earthing effect.
(4) earthing method provided by the present invention uses procedure, the operating procedure of technology, the operating procedure of code requirement, it is possible to connect optimized for ground lead with the earth, ground lead caducous drawback when prior art can be avoided to be introduced directly into;And bolt can be used to twist joint on earthing bar with regard to ground lead in the way of twisting joint to avoid prior art, the drawback of imperfect earth easily occurs.
(5) the method for the invention is proven, its technological process is time-consumingly 0.5 times of existing earthing bar ground connection, earthing effect is to compare existing earthing bar earthing effect to improve more than 50%, and analyze on the data collection of 10000 ground nodes, never having a node situation of imperfect earth occur, the situation that also ground lead of neither one node is drawn out of from underground occurs.
Accompanying drawing explanation
Fig. 1 is present configuration figure.
Fig. 2 is termination structure chart of the present invention.
Fig. 3 is of the present invention to protect wire casing part structure chart.
Wherein, 1-a few font bracing frame, 2-screwed hole, 3-pad, 4-nut, 5-branch sleeve, 6-shell fragment, 7-screw rod, 8-wiring hole, 9-earthing bar, 10-nut head, 11-resilient snubber, 12-protects wire casing part, 13-wire ferrule, and 14-protects wire casing part groove, 15-connecting hole.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
nullThe present invention proposes a kind of grounding device being applied to power domain,Can being connected to ground lead discharge off gap on earthing bar,Avoid the occurrence of imperfect earth and affect the earthing effect at this node,Simultaneously because use groove structure to make ground lead tightr with the connection between wire ferrule,Avoid the occurrence of the discharge scenario between conductor to occur,Such as Fig. 1、Fig. 2、Shown in Fig. 3,It is provided with earthing bar 9,Described earthing bar 9 is provided with at least one wiring hole 8,Described wiring hole 8 is provided with termination,Described termination includes wire ferrule 13、Protect wire casing part 12,The sidewall of wire ferrule 13 is provided through solidus part 16,Described solidus part 16 is positioned on the termination of wire ferrule 13 setting and protects wire casing part 12,The described wire casing part 12 that protects is for groove structure,And it is provided with connecting hole 15 on the back side protecting wire casing part groove 14,Described solidus part 16 is detachably arranged in connecting hole 15;Described connecting hole 8 is symmetrically arranged with two rows on earthing bar 9, and detachably arranges termination on connecting hole 8;Being additionally provided with center hole on described earthing bar 9, described center hole is arranged on the two ends of earthing bar, and the aperture of center hole is more than or less than the aperture of connecting hole 8;During use, the wire ferrule of termination 13 is fastened on the connecting hole 8 of earthing bar 9 by solidus part 16, ground lead by wire ferrule 13, protect wire casing part 12 and solidus part is fastened in wire ferrule 13;Protect wire casing part 12 1 aspect can be fixed on by ground lead in wire ferrule 13, on the other hand can ensure that ground lead will not be at random, thus cause the situation of imperfect earth to occur, earthing bar can be fastened on the pre-buried depth of ground nodes.
Embodiment 2:
The present embodiment is to optimize further on the basis of above-described embodiment, further the most described grounding device, can will protect wire casing part by the way of being spirally connected to fix with solidus part 16, and ground lead is compressed, such as Fig. 1, Fig. 2, shown in Fig. 3, use following set-up mode especially: described solidus part 16 is screw-rod structure, and connecting hole 15 is provided with interior straight thread, described solidus part 16 uses the helicitic texture of outer straight thread, the hole 15 that is connected uses disposed thread, effectively ground lead can be compressed, and improve solidus part 16 and the bonding strength protected between wire casing part 12, the service life making total at least improves 45%.
Embodiment 3:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further the most described grounding device, can ground lead be pressed tighter, such as Fig. 1, Fig. 2, shown in Fig. 3, use following set-up mode especially: on described solidus part 16, be also arranged with resilient snubber 11, described resilient snubber 11 is placed between the nut head 10 of solidus part 16 and wire ferrule 13, sheathed resilient snubber 11 between nut head 10 and Lentinus Edodes 13, can further improve the connection tightness between solidus part 16 and wire ferrule 13, the situation that can effectively avoid ground lead to come off in wire ferrule 13 occurs, earthing effect is made to obtain substantial raising;Ground lead is limited in wire ferrule by the wire casing part that protects being provided by groove, and tightened by solidus part, so that ground lead can be good be connected on earthing bar, on solidus part, arrange resilient snubber can further be compressed by the ground lead in wire ferrule simultaneously, avoid ground lead to come off in wire ferrule, affect earthing effect.
Embodiment 4:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further the most described grounding device, ground lead can be made to be protected wire casing part and wire ferrule well retrains, avoid ground lead at random, such as Fig. 1, Fig. 2, shown in Fig. 3, use especially following set-up mode: described in protect wire casing part 12 for arc groove structure or square groove structure, preferably use arc groove structure, make to protect wire casing part 12 form, with the inner surface part of wire ferrule 13, the tubular matched with ground lead surface as far as possible, ground lead part strands is avoided to decoherence, thus realize the purpose of full ground connection, more than 50 percent is improved on the basis of existing earthing effect.
Embodiment 5:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further the most described grounding device, as shown in Figure 1, Figure 2, Figure 3 shows, use following set-up mode especially: described wire ferrule 13 is any one in circle, ellipse, A font, and the inner surface of wire ferrule 13 is arc, the contact area of ground lead can be effectively increased, improve earthing effect.
Embodiment 6:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further the most described grounding device, as shown in Figure 1, Figure 2, Figure 3 shows, use following set-up mode especially: on described earthing bar 9, be additionally provided with ground connection support member, described ground connection support member includes a few font bracing frames 1, branch sleeve 5 and the securing member that split is arranged, described branch sleeve 5 is arranged on above a few font bracing frame 1, described earthing bar 9 is arranged on above branch sleeve 5, and described securing member runs through connection earthing bar 9, branch sleeve 5 and a few font bracing frame 1;Earthing bar 9 can be carried out firm connection, so that lead earth-current by good importing underground with the earth by support member in use.
Embodiment 7:
The present embodiment is to optimize further on the basis of above-described embodiment, further the most described grounding device, as shown in Figure 1, Figure 2, Figure 3 shows, use following set-up mode especially: the arch of described a few font bracing frames 1 is provided with interior straight thread hole, and is provided with screwed hole 2 on the two ends of several words;Described branch sleeve 5 is that outside one end is provided with 6 faceted pebbles or 8 faceted pebbles or the structure of 12 faceted pebbles, and is provided with interior straight thread in the cylinder of branch sleeve 5, uses straight thread structure can be effectively improved the bonding strength of a few person's part;Being arranged to one end is light beam, and one end is the branch sleeve structure of faceted pebble post, can be tightened on securing member by branch sleeve with aspect.
Embodiment 8:
The present embodiment is to optimize further on the basis of any of the above-described embodiment, further the most described grounding device, as shown in Figure 1, Figure 2, Figure 3 shows, use following set-up mode especially: described securing member includes screw rod 7, shell fragment 6, pad 3 and nut 4, described screw rod 7 runs through shell fragment 6 and pad 3 connects earthing bar 9, branch sleeve 5 and a few font bracing frame 1, goes out a few font bracing frame 1 end at screw rod 7 and arranges nut 4;Use this set-up mode that earthing bar 9, branch sleeve 5 and a few font bracing frame 1 can carry out the fastening of science, it is to avoid to undesirably fall off between several persons;In securing member, it is provided with shell fragment and pad, and arranges in a certain order, can significantly more efficient branch sleeve, earthing bar and a few font bracing frame be attached, it is to avoid connect insecure between three and occur that the situation of imperfect earth occurs.
Embodiment 9:
Use a kind of method that grounding device being applied to power domain carries out ground connection, using operating procedure and the technological requirement of code requirement on the basis of grounding device, ground lead is carried out good ground connection, the situation avoiding the occurrence of imperfect earth occurs, shown in Fig. 1, Fig. 2, Fig. 3, including step in detail below:
1) at ground connection site setup a few font bracing frame 1 fixing hole, and in fixing hole, expansion bolt is buried underground;
2) by branch sleeve 5 and securing member, earthing bar 9 is fastened on a few font bracing frame 1;
3) wire ferrule 13 is placed on wiring hole 8, and in the lower section of earthing bar 9, wire ferrule 13 is fixed on earthing bar 9 through resilient snubber 11 and wiring hole 8 by solidus part 16;
4) by ground lead through wire ferrule 13, and the groove 14 protecting wire casing part 12 is sticked on ground lead;
5) solidus part 16 is screwed in the connecting hole 15 protecting wire casing part 12, tighten, make ground lead be close to wire ferrule 13 inwall;
6) screwed hole 2 of a few font bracing frames 1 is set on expansion bolt and fastens.
Use procedure, the operating procedure of technology, the operating procedure of code requirement, it is possible to connect optimized for ground lead with the earth, ground lead caducous drawback when prior art can be avoided to be introduced directly into;And bolt can be used to twist joint on earthing bar with regard to ground lead in the way of twisting joint to avoid prior art, the drawback of imperfect earth easily occurs.
Embodiment 10:
The present embodiment is to optimize further on the basis of above-described embodiment, shown in Fig. 1, Fig. 2, Fig. 3, a kind of earthing method being applied to power domain, described step 2) include step in detail below:
2-1) that branch sleeve 5 is relative with the center hole of earthing bar 9 wherein one end with one end of faceted pebble;
2-2) successively shell fragment 6 and pad 3 are set on screw rod 7;
2-3) screw rod 7 being arranged with shell fragment 6 and pad 3 is screwed in branch sleeve 5 by the center hole of earthing bar 9 one end;
2-4) after screw rod 7 screws out branch sleeve 5, the interior straight thread hole that a few font bracing frames 1 are arranged by arch is arranged on screw rod 7;The vault of described a few font bracing frame 1 is close to branch sleeve 5;
2-5) nut 4 is spun on screw rod 7 to go out on the bar of a few font bracing frame 1 arch, and makes nut 4 be close at the bottom of the arch of a few font bracing frames 1;
2-6) repeat step 2-1) to step 2-5), complete the fastening of earthing bar 9 other end.
It is proven, the technological process of the method for the invention is time-consumingly 0.5 times of existing earthing bar ground connection, earthing effect is to compare existing earthing bar earthing effect to improve more than 50%, and analyze on the data collection of 10000 ground nodes, never having a node situation of imperfect earth occur, the situation that also ground lead of neither one node is drawn out of from underground occurs.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.

Claims (10)

1. the grounding device being applied to power domain, it is characterized in that: be provided with earthing bar (9), described earthing bar (9) is provided with at least one wiring hole (8), described wiring hole (8) is provided with termination, described termination includes wire ferrule (13), protects wire casing part (12), being provided through solidus part (16) on the sidewall of wire ferrule (13), described solidus part (16) is positioned on the termination of wire ferrule (13) setting and protects wire casing part (12);The described wire casing part (12) that protects is groove structure, and is provided with connecting hole (15) on the back side protecting wire casing part groove (14), and described solidus part (16) is detachably arranged in connecting hole (15).
A kind of grounding device being applied to power domain the most according to claim 1, it is characterised in that: described solidus part (16) is screw-rod structure, and connecting hole (15) is provided with interior straight thread.
A kind of grounding device being applied to power domain the most according to claim 2, it is characterized in that: be also arranged with resilient snubber (11) on described solidus part (16), described resilient snubber (11) is placed between the nut head (10) of solidus part (16) and wire ferrule (13).
4. according to a kind of grounding device being applied to power domain described in claim 1 or 2 or 3, it is characterised in that protecting wire casing part (12) described in: is arc groove structure or square groove structure.
A kind of grounding device being applied to power domain the most according to claim 4, it is characterised in that: described wire ferrule (13) is any one in circle, ellipse, A font.
6. according to a kind of grounding device being applied to power domain described in claim 1 or 2 or 3, it is characterized in that: on described earthing bar (9), be additionally provided with ground connection support member, described ground connection support member includes a few font bracing frames (1), branch sleeve (5) and the securing member that split is arranged, described branch sleeve (5) is arranged on a few font bracing frame (1) top, described earthing bar (9) is arranged on branch sleeve (5) top, and described securing member runs through connection earthing bar (9), branch sleeve (5) and a few font bracing frame (1).
A kind of grounding device being applied to power domain the most according to claim 6, it is characterised in that: the arch of described a few font bracing frames (1) is provided with interior straight thread hole, and is provided with screwed hole (2) on the two ends of several words;Described branch sleeve (5) is provided with 6 faceted pebbles or 8 faceted pebbles or the structure of 12 faceted pebbles for outside one end, and is provided with interior straight thread in the cylinder of branch sleeve (5).
A kind of grounding device being applied to power domain the most according to claim 7, it is characterized in that: described securing member includes screw rod (7), shell fragment (6), pad (3) and nut (4), described screw rod (7) runs through shell fragment (6) and pad (3) connects earthing bar (9), branch sleeve (5) and a few font bracing frame (1), goes out a few font bracing frame (1) end at screw rod (7) and arranges nut (4).
9. use the method that a kind of grounding device being applied to power domain as described in claim 1-8 carries out ground connection, it is characterised in that: include step in detail below:
1) at ground connection site setup a few font bracing frame (1) fixing hole, and in fixing hole, expansion bolt is buried underground;
2) by branch sleeve (5) and securing member, earthing bar (9) is fastened on a few font bracing frame (1);
3) wire ferrule (13) is placed on wiring hole (8), and in the lower section of earthing bar (9), wire ferrule (13) is fixed on earthing bar (9) through resilient snubber (11) and wiring hole (8) by solidus part (16);
4) by ground lead through wire ferrule (13), and wire casing part groove (14) will be protected it will be sticked on ground lead;
5) solidus part (16) is screwed in the connecting hole (15) protecting wire casing part (12), tighten, make ground lead be close to wire ferrule (13) inwall
6) screwed hole (2) of a few font bracing frames (1) is set on expansion bolt and fastens.
A kind of earthing method being applied to power domain the most according to claim 9, it is characterised in that: described step 2) include step in detail below:
2-1) that branch sleeve (5) is relative with the center hole of earthing bar (9) wherein one end with one end of faceted pebble;
2-2) successively shell fragment (6) and pad (3) are set on screw rod (7);
The screw rod (7) that 2-3) will be arranged with shell fragment (6) and pad (3) is screwed in branch sleeve (5) by the center hole of earthing bar (9) one end;
2-4) after screw rod (7) screws out branch sleeve (5), the interior straight thread hole that a few font bracing frames (1) are arranged by arch is arranged on screw rod (7);The vault of described a few font bracing frame (1) is close to branch sleeve (5);
2-5) nut (4) is spun on screw rod (7) to go out on the bar of a few font bracing frame (1) arch, and makes nut (4) be close at the bottom of the arch of a few font bracing frames (1);
2-6) repeat step 2-1) to step 2-5), complete the fastening of earthing bar (9) other end.
CN201610400501.8A 2016-06-08 2016-06-08 Grounding device and grounding method applied to power field Pending CN105932440A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654617A (en) * 2016-10-27 2017-05-10 国家电网公司 Portable short-circuit ground wire and installation method thereof

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CN103444000A (en) * 2011-04-13 2013-12-11 泛达公司 Ground bar assembly comprising a mounting bracket and/or a conductor block
CN204928014U (en) * 2015-09-18 2015-12-30 宁波东昊电缆附件有限公司 Direct grounding box of formula of burying

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US2497030A (en) * 1944-04-22 1950-02-07 Ohio Brass Co Clamping device
DE3813254A1 (en) * 1988-04-20 1989-11-02 Wieland Elektrische Industrie Screw terminal having braked terminal screws
CN201252373Y (en) * 2008-09-10 2009-06-03 苏州市吴通通讯器材有限公司 A multi-lead anti-theft grounding copper bar
CN103444000A (en) * 2011-04-13 2013-12-11 泛达公司 Ground bar assembly comprising a mounting bracket and/or a conductor block
CN204928014U (en) * 2015-09-18 2015-12-30 宁波东昊电缆附件有限公司 Direct grounding box of formula of burying

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106654617A (en) * 2016-10-27 2017-05-10 国家电网公司 Portable short-circuit ground wire and installation method thereof
CN106654617B (en) * 2016-10-27 2019-06-07 国家电网公司 Portable short-circuit grounding wire and its installation method

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Application publication date: 20160907