CN203491397U - Split type alarm grounding device - Google Patents

Split type alarm grounding device Download PDF

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Publication number
CN203491397U
CN203491397U CN201320636956.1U CN201320636956U CN203491397U CN 203491397 U CN203491397 U CN 203491397U CN 201320636956 U CN201320636956 U CN 201320636956U CN 203491397 U CN203491397 U CN 203491397U
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CN
China
Prior art keywords
split type
earthing device
canned paragraph
earth electrode
earth lead
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
CN201320636956.1U
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Chinese (zh)
Inventor
李万春
周鹏
李春江
朱启贵
李自力
耿永丰
李江
谢有胜
郑颖
杨永刚
舒毅
袁伟
彭勇
余光明
庞晓军
陈雅璐
黄皓
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
Tongliang Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Tongliang Power Supply Co of State Grid Chongqing 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, Tongliang Power Supply Co of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320636956.1U priority Critical patent/CN203491397U/en
Application granted granted Critical
Publication of CN203491397U publication Critical patent/CN203491397U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a split type alarm grounding device. The split type alarm grounding device comprises an insulation rod, a metal clamping hook, an earth lead and an earth electrode. The metal clamping hook is n-shaped, a free segment and a fixed segment are connected through a top arc to form the metal clamping hook, a lower end of the fixed segment is provided with a plug pin, and an upper end of the insulation rod is provided with an installation seat for plugging the fixed segment; the installation seat is provided with an L-shaped groove matching the plug pin in shape; one end of the earth lead is connected to a back face of the fixed segment, and the other end of the earth lead is connected with the earth electrode; and the back face of the fixed segment is further connected with a sound and light alarm. Through cooperation between the plug pin and the L-shaped groove, a detachable plugging connection between the metal clamping hook and the insulation rod is achieved, and the metal clamping hook and the insulation rod can be separated after the earth lead is hung and connected, so that the insulation rod is stored temporarily, and the fact that grounding safety is affected because the insulation rod is hung on a high-voltage line is prevented; and the back face of the fixed segment is further connected with the sound and light alarm, real-time electricity testing of the high-voltage line can be performed, and safety accidents that work personnel perform live installation of the earth lead are prevented.

Description

Split type warning earthing device
Technical field
The utility model relates to a kind of power construction earthing device, particularly a kind of split type and have an earthing device of warning function.
Background technology
In the work progress of high-tension electricity conveying circuit, for the sake of security, after need to using earthing device ground connection, construct again, its operating process is: the electricity of first cutting off this working line, then whether charged with electroscope check construction object, determine its not charged after, hang earth lead, to guarantee the safety of staff when the construction.Existing earthing device generally comprises insulating bar, metal grab, earth lead and earth electrode, insulating bar and metal grab are fixedly connected into one, in metal grab, be provided with for clamping the spring clip of power transformation circuit, one end of earth lead is connected with metal grab, the other end is connected with earth electrode.There is awkward problem in the earthing device of this structure, and likely causes security incident.First, use earthing device to complete after hanging wire, its very long insulating bar also hangs on high-tension line, and staff easily collides insulating bar, or sometimes because strong wind scrapes insulating bar, affects grounding safety.Secondly, because electroscope is not a part for earthing device, execute man-hour requirement and carry separately electroscope, and for electrical verification safety and electrical verification convenience, electroscope generally will first be fixed on insulating bar and construction object be tested again, and because electroscope volume is little, easily in use loses; What is more important, between electrical verification and hanging earthing conductor, exist the regular hour poor, and within this time difference, may appear at generation misdelivery electricity or the anti-power transmission of user in power failure equipments, after an electrical verification, directly hang like this earth connection, easily converting equipment is caused to damage, also easily operating personnel are caused to unnecessary injures and deaths.
Therefore, be necessary existing earthing device to improve, make its insulating bar and metal grab become independently two parts, after hanging earthing conductor, can carry out separation; And, make electroscope become a part for earthing device, thereby realize real-time electrical verification, prevent the security incident of staff's live earth connection.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of split type warning earthing device, and its insulating bar and metal grab become independently two parts, after hanging earthing conductor, can carry out separation; And electroscope becomes a part for earthing device, thereby realize real-time electrical verification, prevent the security incident of staff's live earth connection.
Split type warning earthing device of the present utility model, comprise insulating bar, metal grab, earth lead and earth electrode, described metal grab is " n " shape and is formed by connecting by top arc by free segment and canned paragraph, the lower end of described canned paragraph is provided with the pin of pegging graft, the upper end of described insulating bar is provided with the mount pad for the described canned paragraph of pegging graft, described mount pad is provided with " L " shape groove coordinating with described grafting pin phase shape, one end of described earth lead is connected to the back side of described canned paragraph, the other end is connected with described earth electrode, the back side of described canned paragraph is also connected with audible-visual annunciator.
Further, the inner face of described metal grab is provided with single tongue piece, and described single tongue piece is provided with the stage clip being connected with described canned paragraph.
Further, described audible-visual annunciator comprises acoustic alarm part and light warning member, and the outside of described acoustic alarm part is provided with vocal hole, and the outside of described smooth warning member is provided with LED photoflash lamp.
Further, the top of described earth electrode has the through hole for passing for described earth lead, and the part that is positioned at described through hole both sides of described earth electrode is provided with clamp nut.
Further, the bottom of described earth electrode is provided with coniform grounding head, and the bottom of described earth electrode is provided with helical form screw thread.
Further, the outer jacket of described earth lead is provided with luminescent coating.
Further, the bottom of described insulating bar is connected with rubber handle.
The beneficial effects of the utility model: split type warning earthing device of the present utility model, by the detachable socket connection that can realize the two that coordinates of the grafting pin of metal grab canned paragraph lower end and " L " shape groove of insulating bar upper end, after hanging earthing conductor, can carry out separated with insulating bar to metal grab, can temporarily take in insulating bar, prevent that it from affecting grounding safety because hanging on high-tension line; And the back side of canned paragraph is also connected with audible-visual annunciator, can carry out real-time electrical verification to high-tension line, prevent the security incident of staff's live earth connection.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that A in Fig. 1 is to view.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is that A in Fig. 1 is to view, as shown in the figure: the split type warning earthing device of the present embodiment, comprise insulating bar 1, metal grab 2, earth lead 3 and earth electrode 4, described metal grab 2 is " n " shape and is formed by connecting by top arc by free segment 21 and canned paragraph 22, the lower end of described canned paragraph 22 is provided with the pin 22a that pegs graft, the upper end of described insulating bar 1 is provided with the mount pad 11 for the described canned paragraph 22 of pegging graft, described mount pad 11 is provided with " L " shape groove 11a coordinating with described grafting pin phase shape, one end of described earth lead 3 is connected to the back side of described canned paragraph 22, the other end is connected with described earth electrode 4, the back side of described canned paragraph 22 is also connected with audible-visual annunciator 5, insulating bar 1 color tube for adopting epoxy resin to be refined into, its good insulation preformance, intensity are high, lightweight, in bright gay color, smooth in appearance, metal grab 2 is for clamping power transformation circuit, and the metal material casting strong by conductivity forms, canned paragraph 22 i.e. the vertical portion of " n " shape metal grab 2 for being connected with insulating bar 1, and free segment 21 is another relative vertical portion, and two sections connect by top arc, mount pad 11 is the inner cavity of insulating bar 1 upper end, grafting pin 22a and canned paragraph 22 are one-body molded, by grafting, sell 22a and can realize the detachable socket connection of insulating bar 1 with metal grab 2 coordinating of " L " shape groove 11a, after hanging earthing conductor, can carry out separated with insulating bar 1 to metal grab 2, can temporarily take in insulating bar 1, prevent that it from affecting grounding safety because hanging on high-tension line, and the back side of canned paragraph 22 is also connected with audible-visual annunciator 5, can carry out real-time electrical verification to high-tension line, and send acoustic alarm and light warning simultaneously, prevent the security incident of staff's live earth connection.
In the present embodiment, the inner face of described metal grab 2 is provided with single tongue piece 6, and described single tongue piece 6 is provided with the stage clip 61 being connected with described canned paragraph 22; Single tongue piece 6 adopts fine aluminum alloy die cast, and intensity is higher, then makes its surface not oxidizable through surface treatment; Inner face i.e. the inside of " n " shape metal grab 2; Single tongue piece 6 bottoms are connected to canned paragraph 22 backs by pin pivoting, and stage clip 61 one end are together with single tongue piece 6 pin joints, and the other end is connected together by stage clip pin and canned paragraph 22; Simple in structure, clamp effect remarkable.
In the present embodiment, described audible-visual annunciator 5 comprises acoustic alarm part 51 and light warning member 52, and the outside of described acoustic alarm part 51 is provided with vocal hole 51a, and the outside of described smooth warning member 52 is provided with LED photoflash lamp 52a; As shown in Figure 2, acoustic alarm part 51 is positioned at upside, light warning member 52 is positioned at downside, and after equipment belt point being detected, acoustic alarm part 51 is sounded a buzzer, and starts LED photoflash lamp 52a and carries out compartment flicker, fully to warn operating personnel with time warning member 52.
In the present embodiment, the top of described earth electrode 4 has the through hole 41 for passing for described earth lead 3, and the part that is positioned at described through hole 41 both sides of described earth electrode 4 is provided with clamp nut 42; The aperture of through hole 41 is slightly larger than earth lead 3, to guarantee passing smoothly of earth lead 3; Earth electrode 4 between both sides clamp nut 42 is one section of screw rod, and earth lead 3 can be fixing by earth lead 3 through screwing clamp nut 42 after through hole 41, makes earth lead 3 reliable with being connected of earth electrode 4.
In the present embodiment, the bottom of described earth electrode 4 is provided with coniform grounding head 43, and the bottom of described earth electrode 4 is provided with helical form screw thread 44; Grounding head 43 is one-body molded with earth electrode 4, makes earth electrode 4 have afterbody tip, adds helical form screw thread 44, can easily earth electrode 4 be rotated into underground, to meet the depth of burying requirement of earth electrode 4; For further improving the hardness of earth electrode 4, grounding head 43 is done Quenching Treatment, and after quenching, hardness reaches HRC55, the whole zinc-plated preservative treatment of doing of earth electrode 4.
In the present embodiment, the outer jacket of described earth lead 3 is provided with luminescent coating (not shown); Earth lead 3 comprises inner copper wire and the outer jacket that is wrapped in copper wire outside, and outer jacket is insulation sheath; Outer jacket is set up luminescent coating, and luminescent coating is preferably fluorescent material, at night, under environment, can send fluorescence, is convenient to position, quantity, state that staff identifies earth lead 3, thereby avoids the generation of faulty operation and contingency; And insulating bar 1 also can be added on the naturally luminous Noctilucent material of energy at night, makes insulating bar 1 also become the parts of easy identification.
In the present embodiment, the bottom of described insulating bar 1 is connected with rubber handle 7; Rubber handle 7 can guarantee staff's safety better, and strengthens the comfortableness of operation.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (7)

1. a split type warning earthing device, comprise insulating bar, metal grab, earth lead and earth electrode, it is characterized in that: described metal grab is " n " shape and is formed by connecting by top arc by free segment and canned paragraph, the lower end of described canned paragraph is provided with the pin of pegging graft, the upper end of described insulating bar is provided with the mount pad for the described canned paragraph of pegging graft, described mount pad is provided with " L " shape groove coordinating with described grafting pin phase shape, one end of described earth lead is connected to the back side of described canned paragraph, the other end is connected with described earth electrode, the back side of described canned paragraph is also connected with audible-visual annunciator.
2. split type warning earthing device according to claim 1, is characterized in that: the inner face of described metal grab is provided with single tongue piece, and described single tongue piece is provided with the stage clip being connected with described canned paragraph.
3. split type warning earthing device according to claim 2, is characterized in that: described audible-visual annunciator comprises acoustic alarm part and light warning member, and the outside of described acoustic alarm part is provided with vocal hole, and the outside of described smooth warning member is provided with LED photoflash lamp.
4. split type warning earthing device according to claim 3, is characterized in that: the top of described earth electrode has the through hole for passing for described earth lead, and the part that is positioned at described through hole both sides of described earth electrode is provided with clamp nut.
5. split type warning earthing device according to claim 4, is characterized in that: the bottom of described earth electrode is provided with coniform grounding head, and the bottom of described earth electrode is provided with helical form screw thread.
6. split type warning earthing device according to claim 5, is characterized in that: the outer jacket of described earth lead is provided with luminescent coating.
7. split type warning earthing device according to claim 6, is characterized in that: the bottom of described insulating bar is connected with rubber handle.
CN201320636956.1U 2013-10-15 2013-10-15 Split type alarm grounding device Expired - Lifetime CN203491397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320636956.1U CN203491397U (en) 2013-10-15 2013-10-15 Split type alarm grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320636956.1U CN203491397U (en) 2013-10-15 2013-10-15 Split type alarm grounding device

Publications (1)

Publication Number Publication Date
CN203491397U true CN203491397U (en) 2014-03-19

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334376A (en) * 2015-11-09 2016-02-17 江苏省电力公司淮安供电公司 Electricity-proof intelligent grounding drilling rod
CN105811125A (en) * 2016-05-30 2016-07-27 国网青海省电力公司西宁供电公司 Novel grounding wire
CN106159801A (en) * 2016-07-13 2016-11-23 国网福建省电力有限公司 A kind of earth lead hook rail structure
CN109888525A (en) * 2019-03-07 2019-06-14 国网江苏省电力有限公司徐州供电分公司 A kind of multifunctional combination ground line
CN113437603A (en) * 2021-06-01 2021-09-24 北京市轨道交通运营管理有限公司 Triangular electricity testing grounding method and device for contact network

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334376A (en) * 2015-11-09 2016-02-17 江苏省电力公司淮安供电公司 Electricity-proof intelligent grounding drilling rod
CN105811125A (en) * 2016-05-30 2016-07-27 国网青海省电力公司西宁供电公司 Novel grounding wire
CN105811125B (en) * 2016-05-30 2018-02-06 国网青海省电力公司西宁供电公司 One kind ground wire
CN106159801A (en) * 2016-07-13 2016-11-23 国网福建省电力有限公司 A kind of earth lead hook rail structure
CN109888525A (en) * 2019-03-07 2019-06-14 国网江苏省电力有限公司徐州供电分公司 A kind of multifunctional combination ground line
CN113437603A (en) * 2021-06-01 2021-09-24 北京市轨道交通运营管理有限公司 Triangular electricity testing grounding method and device for contact network

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Granted publication date: 20140319

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