CN103730804A - Ground wire anti-violation lock and method thereof - Google Patents

Ground wire anti-violation lock and method thereof Download PDF

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Publication number
CN103730804A
CN103730804A CN201410019698.1A CN201410019698A CN103730804A CN 103730804 A CN103730804 A CN 103730804A CN 201410019698 A CN201410019698 A CN 201410019698A CN 103730804 A CN103730804 A CN 103730804A
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China
Prior art keywords
lock
conductor end
earth
lock ring
earth terminal
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CN201410019698.1A
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Chinese (zh)
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CN103730804B (en
Inventor
王伯韬
陈殿军
梁长胜
王强
刘健
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MAINTENANCE Co OF STATE GRID HEILONGJIANG ELECTRIC POWER Co
State Grid Corp of China SGCC
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MAINTENANCE Co OF STATE GRID HEILONGJIANG ELECTRIC POWER Co
State Grid Corp of China SGCC
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Priority to CN201410019698.1A priority Critical patent/CN103730804B/en
Publication of CN103730804A publication Critical patent/CN103730804A/en
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Abstract

The invention discloses a ground wire anti-violation lock and a method thereof. The ground wire anti-violation lock aims at solving the problems that faulty operation caused by carelessness is unavoidable, safe production is seriously threatened, and personal injury is easy to be caused due to the disadvantage that processes of installing and dismantling the ground wire lack of external supervision. The ground wire anti-violation lock comprises a longitudinal support (15) which is connected with a fixing screw (12); the longitudinal support (15) is connected with a ground pile (16); the ground pile is connected with a ground terminal lock ring (19) through the fixing screw (12); the ground terminal lock ring is fixed through a fixing nut (18); a lock sleeve (1) is installed on the longitudinal support; the longitudinal support is connected with a transverse support (14); the longitudinal support is connected with a guide rail (13). The ground wire anti-violation lock is used for safety protection of installing and dismounting the ground wire.

Description

Earth connection lock anti-violating the regulations and earth connection locking method anti-violating the regulations
technical field:
the present invention relates to a kind of earth connection lock anti-violating the regulations and grounding reverse locking method violating the regulations.
background technology:
at present, < < electric power safety working regulation > > about the regulation of installing and dismounting earth connection is: installing earth connection should first connect earth terminal, after connect conductor end, remove earth connection order and installing reversed in order.Its reason is, in the situation that guaranteeing that earth terminal is installed with finally dismounting at first, if unexpected circuit has electric current in assembling and dissembling process, can, rapidly by current earthing, guarantee safety.But when carrying out this work, external force is not carried out the correctness of supervision flow, but lean on staff's professional skill, consciousness and awareness of safety, so just inevitably because negligence or subject intent cause misoperation, serious threat safety in production, easily causes personal injury.
in order to overcome present installing and to remove the deficiency of earth connection workflow without external force supervision, the invention provides a kind of two lockholes lockset of locking mutually, realization only, after the installing of ground connection end, could be carried out release installing to conductor end; Simultaneously also only after the playback of conductor end three-phase complete removal, could carry out release dismounting to earth terminal, so just avoid operation against rules, guarantee safety in production.
summary of the invention:
the object of this invention is to provide a kind of earth connection lock anti-violating the regulations and grounding reverse locking method violating the regulations.
above-mentioned object realizes by following technical scheme:
earth connection lock anti-violating the regulations, its composition comprises: longitudinal carrier, described longitudinal carrier is connected with standing screw, described longitudinal carrier is connected with ground stud, described ground stud is connected by standing screw with earth terminal lock ring, and described earth terminal lock ring is fixed by hold-down nut, on described longitudinal carrier, lock tube is installed, described longitudinal carrier is connected with horizontal support peace, and described longitudinal carrier is connected with guide rail.
described earth connection lock anti-violating the regulations, described horizontal support peace is connected by spring with the circumferential hammerlock of A phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of B phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of C phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of earth terminal, described horizontal support peace is connected with the longitudinal jam plate of conductor end, described horizontal support peace is connected with the longitudinal jam plate of earth terminal, and described horizontal support peace is connected with baffle plate.
described earth connection lock anti-violating the regulations, is equipped with horizontal lock pin in described lock tube, described horizontal lock pin is connected with lock, and described earth terminal lock ring is connected with earth connection wire.
described earth connection lock anti-violating the regulations, described guide rails assembling has, A phase conductor end lock ring, described guide rails assembling has B phase conductor end lock ring, and described guide rails assembling has C phase conductor end lock ring.Described A phase conductor end lock ring is connected with A ground wire connecting line, described B phase conductor end lock ring is connected with B ground wire connecting line, described C phase conductor end lock ring is connected with C ground wire connecting line, described A ground wire connecting line is connected with earth connection wire by A phase clamp for ground wire, B ground wire connecting line is connected with earth connection wire by B phase clamp for ground wire, C ground wire connecting line is connected with earth connection wire by C phase clamp for ground wire, and described earth connection wire is connected with earth terminal lock ring.
described earth connection locking means anti-violating the regulations, described earth connection lock anti-violating the regulations, conductor end of earth wire A during described earth connection lock installing anti-violating the regulations earth connection, B, the A that C three-phase is connected respectively, B, C three-phase conductor end lock ring is locked in the conductor side of lockset, when ground stud and the metal earth terminal lock ring being connected with ground connection end, by standing screw and hold-down nut, after fully being connected and reinforcing, the circumferential hammerlock of earth terminal is grounded the extruding of end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of earth terminal in lock tube leave lock tube, thereby the ground connection side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the ground connection side part in lock tube, at this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend Unscrew, now A, B, C three-phase conductor end lock ring just can unload from guide rail, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend rotary closing, due to A, B, the circumferential hammerlock of C three-phase conductor end is without A, B, C three-phase conductor end lock ring supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the conductor side part in lock tube, finally complete the locking to the longitudinal jam plate of earth terminal, earth terminal lock ring cannot be pulled down.
described earth connection locking means anti-violating the regulations, described earth connection lock anti-violating the regulations, when described earth connection lock anti-violating the regulations is removed earth connection: must be by the A being connected respectively with conductor end of earth wire three-phase, B, C three-phase conductor end lock ring is all put into guide rail, A, B, the circumferential hammerlock of C three-phase conductor end is by A, B, the extruding of C three-phase conductor end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of conductor end in lock tube leave lock tube, thereby the conductor side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the conductor side part in lock tube, at this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend Unscrew, now earth terminal lock ring just can unload from standing screw, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend rotary closing, because the no ground end lock ring of the circumferential hammerlock of earth terminal supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the ground connection side part in lock tube, finally complete the locking to the longitudinal jam plate of conductor end, A, B, C three-phase conductor end lock ring cannot be pulled down.
beneficial effect:
1. when installing and dismounting earth connection, only, after the installing of ground connection end, could carry out release installing to conductor end; Simultaneously also only after the playback of conductor end three-phase complete removal, could carry out release dismounting to earth terminal, simple in structure.
accompanying drawing explanation:
accompanying drawing 1 is structural representation of the present invention.Lock tube 1, lock pin 2, lock 3, the longitudinal jam plate 4 of conductor end, the longitudinal jam plate 5 of earth terminal, spring 6, baffle plate 7, the circumferential hammerlock 8 of A phase conductor end, the circumferential hammerlock 9 of B phase conductor end, the circumferential hammerlock 10 of C phase conductor end, the circumferential hammerlock 11 of earth terminal, standing screw 12, guide rail 13, horizontal support peace 14, longitudinal carrier 15, ground stud 16, hold-down nut 18, earth terminal lock ring 19, earth connection wire 26.
accompanying drawing 2 is left views of accompanying drawing 1.
accompanying drawing 3 is right views of accompanying drawing 1.
accompanying drawing 4 is structural representations of installation earth connection of the present invention.A ground wire connecting line 17, A phase conductor end lock ring 20, B phase conductor end lock ring 21, C phase conductor end lock ring 22, A phase clamp for ground wire 23, B phase clamp for ground wire 24, C phase clamp for ground wire 25.
accompanying drawing 5 is structural representations of installing earth connection of the present invention.
accompanying drawing 6 is the left cutaway views of the B-B of accompanying drawing 5.
accompanying drawing 7 is the right cutaway views of the C-C of accompanying drawing 5.
accompanying drawing 8 is structural representations of dismounting earth connection of the present invention.
accompanying drawing 9 is the left cutaway views of the D-D of accompanying drawing 8.
accompanying drawing 10 is the right cutaway views of the E-E of accompanying drawing 8.
embodiment:
embodiment 1:
a kind of earth connection lock anti-violating the regulations, its composition comprises: longitudinal carrier 15, described longitudinal carrier is connected with standing screw 12, described longitudinal carrier is connected with ground stud 16, described ground stud is connected by standing screw with earth terminal lock ring 19, and described earth terminal lock ring is fixing by hold-down nut 18, and lock tube 1 is installed on described longitudinal carrier, described longitudinal carrier is connected with horizontal support peace 14, and described longitudinal carrier is connected with guide rail 13
embodiment 2:
according to embodiment 1 horizontal support peace, be connected by spring 6 with the circumferential hammerlock 8 of A phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock 9 of B phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock 10 of C phase conductor end, described horizontal support peace is connected with the circumferential hammerlock 11 of earth terminal, described horizontal support peace is connected with the longitudinal jam plate 4 of conductor end, described horizontal support peace is connected with the longitudinal jam plate 5 of earth terminal, and described horizontal support peace is connected with baffle plate.
embodiment 3:
according to the lock anti-violating the regulations of the earth connection described in embodiment 1 or 2, horizontal lock pin 2 is housed in described lock tube, described horizontal lock pin is connected with lock 3, and described earth terminal lock ring is connected with earth connection wire 26.
embodiment 4:
according to the guide rails assembling described in embodiment 1 or 2 or 3, have A phase conductor end lock ring 20, described guide rail 13 is provided with, A phase conductor end lock ring 20, and described guide rails assembling has B phase conductor end lock ring 21, and described guide rails assembling has C phase conductor end lock ring 22.Described A phase conductor end lock ring is connected with A ground wire connecting line, described B phase conductor end lock ring is connected with B ground wire connecting line, described C phase conductor end lock ring is connected with C ground wire connecting line, described A ground wire connecting line is connected with earth connection wire by A phase clamp for ground wire 23, B ground wire connecting line is connected with earth connection wire by B phase clamp for ground wire 24, C ground wire connecting line is connected with earth connection wire 17 by C phase clamp for ground wire 25, and described earth connection wire is connected with earth terminal lock ring.
embodiment 5:
a, the B being connected respectively according to conductor end of earth wire A, B described in embodiment 1-4, C three-phase, the conductor side that C three-phase conductor end lock ring is locked in lockset.When ground stud and the metal earth terminal lock ring being connected with ground connection end, by standing screw and hold-down nut, after fully being connected and reinforcing, the circumferential hammerlock of earth terminal is grounded the extruding of end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of earth terminal in lock tube leave lock tube.Thereby the ground connection side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the ground connection side part in lock tube.At this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend Unscrew, now A, B, C three-phase conductor end lock ring just can unload from guide rail, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend rotary closing, due to A, B, the circumferential hammerlock of C three-phase conductor end is without A, B, C three-phase conductor end lock ring supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the conductor side part in lock tube, finally complete the locking to the longitudinal jam plate of earth terminal, earth terminal lock ring cannot be pulled down.
embodiment 6:
during according to dismounting earth connection described in embodiment 1-5: the A, the B that are connected respectively with conductor end of earth wire three-phase, C three-phase conductor end lock ring all must be put into guide rail, A, B, the circumferential hammerlock of C three-phase conductor end are pushed by A, B, C three-phase conductor end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of conductor end in lock tube leave lock tube.Thereby the conductor side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the conductor side part in lock tube.At this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend Unscrew, now earth terminal lock ring just can unload from standing screw, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend rotary closing, because the no ground end lock ring of the circumferential hammerlock of earth terminal supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the ground connection side part in lock tube, finally complete the locking to the longitudinal jam plate of conductor end, A, B, C three-phase conductor end lock ring cannot be pulled down.

Claims (7)

1. an earth connection lock anti-violating the regulations, its composition comprises: longitudinal carrier, it is characterized in that: described longitudinal carrier is connected with standing screw, described longitudinal carrier is connected with ground stud, described ground stud is connected by standing screw with earth terminal lock ring, and described earth terminal lock ring is fixed by hold-down nut, on described longitudinal carrier, lock tube is installed, described longitudinal carrier is connected with horizontal support peace, and described longitudinal carrier is connected with guide rail.
2. earth connection according to claim 1 lock anti-violating the regulations, it is characterized in that: described horizontal support peace is connected by spring with the circumferential hammerlock of A phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of B phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of C phase conductor end, described horizontal support peace is connected by spring with the circumferential hammerlock of earth terminal, described horizontal support peace is connected with the longitudinal jam plate of conductor end, described horizontal support peace is connected with the longitudinal jam plate of earth terminal, and described horizontal support peace is connected with baffle plate.
3. earth connection according to claim 1 and 2 lock anti-violating the regulations, is characterized in that: horizontal lock pin is housed in described lock tube, and described horizontal lock pin is connected with lock, and described earth terminal lock ring is connected with earth connection wire.
4. according to the lock anti-violating the regulations of the earth connection described in claim 1 or 2 or 3, it is characterized in that: described guide rails assembling has, A phase conductor end lock ring, described guide rails assembling has B phase conductor end lock ring, and described guide rails assembling has C phase conductor end lock ring.
5. the A phase conductor end lock ring described in is connected with A ground wire connecting line, described B phase conductor end lock ring is connected with B ground wire connecting line, described C phase conductor end lock ring is connected with C ground wire connecting line, described A ground wire connecting line is connected with earth connection wire by A phase clamp for ground wire, B ground wire connecting line is connected with earth connection wire by B phase clamp for ground wire, C ground wire connecting line is connected with earth connection wire by C phase clamp for ground wire, and described earth connection wire is connected with earth terminal lock ring.
6. the described earth connection locking means anti-violating the regulations of one of claim 1 to 4, it is characterized in that: described earth connection lock anti-violating the regulations, conductor end of earth wire A during described earth connection lock installing anti-violating the regulations earth connection, B, the A that C three-phase is connected respectively, B, C three-phase conductor end lock ring is locked in the conductor side of lockset, when ground stud and the metal earth terminal lock ring being connected with ground connection end, by standing screw and hold-down nut, after fully being connected and reinforcing, the circumferential hammerlock of earth terminal is grounded the extruding of end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of earth terminal in lock tube leave lock tube, thereby the ground connection side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the ground connection side part in lock tube, at this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend Unscrew, now A, B, C three-phase conductor end lock ring just can unload from guide rail, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend rotary closing, due to A, B, the circumferential hammerlock of C three-phase conductor end is without A, B, C three-phase conductor end lock ring supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the conductor side part in lock tube, finally complete the locking to the longitudinal jam plate of earth terminal, earth terminal lock ring cannot be pulled down.
7. earth connection according to claim 5 locking means anti-violating the regulations, it is characterized in that: described earth connection lock anti-violating the regulations, when described earth connection lock anti-violating the regulations is removed earth connection: must be by the A being connected respectively with conductor end of earth wire three-phase, B, C three-phase conductor end lock ring is all put into guide rail, A, B, the circumferential hammerlock of C three-phase conductor end is by A, B, the extruding of C three-phase conductor end lock ring, produce circumferential displacement, make the part of the circumferential hammerlock of conductor end in lock tube leave lock tube, thereby the conductor side part in lock tube is without hindrance, then horizontal lock pin is drawn in to the conductor side part in lock tube, at this moment the lock moving with horizontal lock pin has left the locking dead point of the longitudinal jam plate of earth terminal, make the longitudinal jam plate 90 of earth terminal spend Unscrew, now earth terminal lock ring just can unload from standing screw, and meanwhile lock has entered the locking dead point of the longitudinal jam plate of conductor end, make the longitudinal jam plate 90 of conductor end spend rotary closing, because the no ground end lock ring of the circumferential hammerlock of earth terminal supports, under the effect of spring, its lock tube end gos deep into lock tube, block horizontal lock pin and lock, make it cannot move and return the ground connection side part in lock tube, finally complete the locking to the longitudinal jam plate of conductor end, A, B, C three-phase conductor end lock ring cannot be pulled down.
CN201410019698.1A 2014-01-16 2014-01-16 Earth connection lock anti-violating the regulations and earth connection locking method anti-violating the regulations Active CN103730804B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107293925A (en) * 2017-06-22 2017-10-24 国网河南省电力公司驻马店供电公司 The controllable sliding support of ground wire press-connection machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201149834Y (en) * 2008-01-10 2008-11-12 北京科力恒久电力技术有限责任公司 Intelligent mechanical lock apparatus for novel 10 kV gas-filling cabinet
CN203674537U (en) * 2014-01-16 2014-06-25 国家电网公司 Ground wire violation resistant lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201149834Y (en) * 2008-01-10 2008-11-12 北京科力恒久电力技术有限责任公司 Intelligent mechanical lock apparatus for novel 10 kV gas-filling cabinet
CN203674537U (en) * 2014-01-16 2014-06-25 国家电网公司 Ground wire violation resistant lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107293925A (en) * 2017-06-22 2017-10-24 国网河南省电力公司驻马店供电公司 The controllable sliding support of ground wire press-connection machine

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