CN104167617B - KYN28 type switch cabinet bus static contact grounding device - Google Patents
KYN28 type switch cabinet bus static contact grounding device Download PDFInfo
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- CN104167617B CN104167617B CN201410370203.XA CN201410370203A CN104167617B CN 104167617 B CN104167617 B CN 104167617B CN 201410370203 A CN201410370203 A CN 201410370203A CN 104167617 B CN104167617 B CN 104167617B
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- base
- calvus
- action bars
- screw mandrel
- push rod
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Abstract
nullThe invention belongs to power equipment aid field，Particularly relate to a kind of KYN28 type switch cabinet bus static contact grounding device,Including insulating bar、Insulating bar sleeve pipe、Metab、Push rod、Three metal claw sheet、Lead-in wire and tightening device，The head of cylindric action bars has screw mandrel，There is top-down through hole the inside of base，And on inwall, have silk，Three pawl seats are arranged at the top of base，Screw mandrel matches with the silk in base，The outer cover of action bars is equipped with action bars sleeve pipe，The top of action bars sleeve pipe is connected with the outer wall of base，The bottom of action bars is stretched out from the bottom of action bars sleeve pipe，The calvus of flexible connection is had on pawl seat，Tightening device is had on the inwall of calvus，For calvus being pulled to the axle center of base，The top of screw mandrel protrudes from the upper end face of base，There is push rod on the top of screw mandrel，The head of push rod contacts with calvus，Calvus is backed down，On base leaded，The clamping of this device is stable、Big with static contact contact area、Dismounting is fast and safely.
Description
Technical field
The invention belongs to power equipment aid field, particularly relate to a kind of bus static contact grounding device being applied to KYN28 type switch cubicle.
Background technology
KNY28 type switch cubicle is high-tension switch cabinet, it is widely used in power system, work about electric power person regularly to do equipment interruption maintenance for switch cubicle, during doing equipment interruption maintenance, in order to ensure the personal safety of maintainer, conventional grounding device carries out following operation as safety precautions:
1,10kV electroscope is used to identify equipment indeed without electricity；
2, the earth terminal of grounding device is connected to grounding body and ensures that it is firmly, reliably；
3, earthing clamp extension (folder) at the conductor position of power failure equipments and is ensured firmly, reliably by operator by insulating bar.
Conductor position in KNY28 type switch cubicle is the bus static contact arranged within this cabinet, bus static contact is front end indent, ganoid alloy cylinder, front end is towards operator, and be in the cincture of static contact and insulation box, the axis of static contact overlaps with the axis of static contact and insulation box, and the front end face of static contact and insulation box is evolution face.
Conventional earthing clamp, it is divided into compression joint type, hanging-connecting, when the earthing clamp of these forms clamps conductor, could firm grip when wire clamp is only perpendicular to conductor, static contact and insulation box can not be entered easily, i.e. allow to enter in static contact and insulation box, wire clamp is the most only located in static contact and insulation box, it has certain contact area with bus static contact, it is difficult to clip, easily slip, compressing static contact causes earthing clamp to come off, it cannot be guaranteed that the safety of bus power failure work, be there is personal safety hidden danger in the personnel worked in power failure equipments, and when there being earth current to produce, owing to loose contact and contact surface are little, grounding device mount point temperature can be made drastically to raise, equipment is caused serious injury.
Teams and groups, in the urgent need to one earthing tool easily and efficiently, can enter in static contact and insulation box, firmly be clamped by static contact, increase contact area, and the grounding device that can connect quickly and easily and free as far as possible, improve safety and the efficiency of busbar overhaul.
Summary of the invention
The bus static contact grounding device of a kind of application that it is an object of the invention to overcome deficiency of the prior art and invent and KYN28 type switch cubicle.
nullThe present invention is achieved in that a kind of KYN28 type switch cabinet bus static contact grounding device，It is characterized in that: include the action bars of isolation material、The action bars sleeve pipe of isolation material、The base of metal material、Push rod、The calvus of multiple metal materials、Lead-in wire and tightening device，Described action bars is cylindric，The head of action bars is provided with screw mandrel，Described base is metallic conductor，Base be internally provided with top-down through hole，Silk it is provided with on through-hole wall，The top of base is provided with pawl seat，Pawl seat is arranged centered by the axis of through hole ringwise，The screw mandrel at action bars top matches with the silk of chassis interior，Action bars moves up and down by being rotated in chassis interior，The outer cover of action bars is equipped with action bars sleeve pipe，The top of action bars sleeve pipe is connected with the outer wall of base，The bottom of action bars is stretched out from the bottom of action bars sleeve pipe，It is provided with calvus on the pawl seat of base，It is connected by bearing pin between calvus with pawl seat，It is provided with tightening device on the inwall of calvus，Calvus is pulled to the axle center of base by tightening device，The top of screw mandrel protrudes from the upper end face of base，The top of screw mandrel is provided with push rod，It is flexibly connected between screw mandrel with push rod，When screw mandrel rotates，Push rod only moves up and down under the drive of screw mandrel，Described push rod includes the body of rod and branch，The axis of the body of rod and the dead in line of screw mandrel，Branch is positioned on the side of the body of rod，The head of branch contacts with calvus，Lead-in wire it is provided with on base.
The outer wall on described base top is regular hexagon, and the outer wall of bottom is cylindric, and the upper top edge of outer wall is evenly arranged with three pawl seats around the axis of base.
Described calvus number is three, calvus be shaped as bending, the bending of inward at both ends up and down of calvus, the middle outwardly convex of calvus, it it is arc-shaped in the upper inside surface of calvus, it is provided with the connecting hole being connected with pawl seat bottom calvus, the inwall of the bottom of calvus is provided with groove, the inwall in the middle part of calvus is provided with take-up device connecting hole.
Described tightening device is three stretching springs, and one end of three stretching springs is Y-connection, and the other end of three stretching springs is connected with the connecting hole of calvus.
Being provided with insulation handle bottom described action bars, action bars inside pipe casing is provided with a ring annular groove, be on conplane action bars with annular groove and be provided with rotating shaft, the two ends of rotating shaft are positioned at groove.
The described inner surface on action bars sleeve pipe top is connected with the outer surface of base bottom, and action bars jacket exterior is provided with iron hoop.
The branch quantity of described push rod head is three, and the angle between three branchs is 120 °, and branch end is provided with roller.
Connection between described screw mandrel and push rod is as follows, and the bottom of push rod is provided with hollow ring base, is provided with bearing between inwall and the screw mandrel top exterior walls of push rod.
Connection between described screw mandrel and push rod is as follows, the bottom of push rod is provided with hollow ring base, screw mandrel is deep into inside annular base, and have gap each other, it is provided with annular groove on the body of rod in annular base, the sidewall of annular base is provided with the screw hole inside and outside through sidewall, in screw hole, is provided with screw, the head of screw is positioned at annular groove, but does not contacts with the surface of annular groove.
KYN28 type switch cabinet bus static contact grounding device in the present invention has the advantage that
The top of this device is provided with three calvus, inner surface one circle of composition of three calvus, and the dead in line of the action bars of the center of circle of this circle and device, in this device is deep into static contact and insulation box it is, three calvus between static contact and insulation box inwall and the static contact face of cylinder, therefore have the biggest contact area in the most ring-type between this device and static contact；Secondly, calvus is connected by bearing pin with base, the bending of inward at both ends up and down of calvus, middle outwardly convex, the middle part of calvus inwall is provided with three stretching springs in Y-connection mode, three stretching springs provide inside pulling force to three calvus, allow calvus can firmly grasp the face of cylinder of static contact firmly；It addition, the bottom of calvus inwall is additionally provided with push rod, the head of push rod contacts with the inwall of calvus bottom, when push rod is under the drive of screw mandrel, moving downward, stretching spring will be strutted by the branch of push rod head, conveniently mounts a device onto static contact or takes off from static contact；Finally, this device of operated by personnel, a hands covers action bars sleeve pipe, and a hands turns action bars, just can complete unclamping and clamping of calvus.
Therefore, this device, for convenience of, earthing tool efficiently, increases the contact area with static contact, and the grounding device that can connect quickly and easily and free, improves safety and the efficiency of busbar overhaul, protect the life security of maintainer.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the full sectional view of the present invention.
Concrete facts mode
Embodiment 1:
nullAs depicted in figs. 1 and 2，A kind of KYN28 type switch cabinet bus static contact grounding device，Action bars 1 including isolation material、The action bars sleeve pipe 2 of isolation material、The base 3 of metal material、Push rod 4、The calvus 5 of three metal materials、Lead-in wire 6 and tightening device 7，Described action bars 1 is cylindric，The head of action bars 1 is provided with screw mandrel 11，The outer wall on described base 3 top is regular hexagon，The outer wall of bottom is cylindric，The upper top edge of outer wall is evenly arranged with three pawl seats 31 around the axis of base 3，Pawl seat 31 is arranged centered by the axis of through hole ringwise，Base 3 be internally provided with top-down through hole，Silk it is provided with on through-hole wall，The screw mandrel 11 at action bars 1 top matches with the silk within base 3，By being rotated in, base 3 is internal to move up and down action bars 1，The outer cover of action bars 1 is equipped with action bars sleeve pipe 2，The inner surface at the top of action bars sleeve pipe 2 is connected with the columned outer surface of base 3 bottom，The position that action bars jacket exterior and base coincide is provided with annular iron hoop 8 banding junction；The bottom of action bars 1 is stretched out from the bottom of action bars sleeve pipe 2, insulation handle 9 it is provided with bottom action bars 1, action bars sleeve pipe 2 is provided with a ring annular groove on inside, is on conplane action bars 1 with annular groove and is provided with rotating shaft 12, and the two ends of rotating shaft 12 are positioned at groove；nullIt is provided with calvus 5 on the pawl seat 31 of base 3，Calvus 5 be shaped as bending，The bending of inward at both ends up and down of calvus 5，The middle outwardly convex of calvus 5，It it is arc-shaped in the upper inside surface of calvus 5，The connecting hole being connected with pawl seat it is provided with bottom calvus 5，Groove 51 it is provided with on the inwall of the bottom of calvus 5，Take-up device connecting hole it is provided with on inwall in the middle part of calvus 5，It is connected by bearing pin between calvus 5 with pawl seat 31，Tightening device 7 it is provided with on the inwall of calvus 5，Described tightening device 7 is three stretching springs，One end of three stretching springs is Y-connection，The other end of three stretching springs is connected with the connecting hole of calvus 5，Stretching spring is always in the state of being stretched，Calvus 5 is pulled to the axle center of base 3 by tightening device 7，The top of screw mandrel 11 protrudes from the upper end face of base 5，The top of screw mandrel 11 is provided with push rod 4，Described push rod 4 includes the body of rod and branch 41，On the side on the top that branch 41 is positioned at the body of rod，Branch 41 quantity is three，Angle between three branchs 41 is 120 °，Branch 41 end is provided with roller 42，The axis of the body of rod and the dead in line of screw mandrel 11，The roller 42 of the head of branch 41 contacts with the groove 51 of calvus 5 inner surface，And along the track up and down motion of groove restriction，The bottom of push rod 4 is provided with hollow ring base，Screw mandrel 11 is deep into inside annular base，And have gap each other，It is provided with annular groove on the body of rod in annular base，The screw hole inside and outside through sidewall it is provided with on the sidewall of annular base，Screw 44 it is provided with in screw hole，The head of screw 44 is positioned at annular groove，But do not contact with the surface of annular groove，When staff twist action bars 1 rotate time，Push rod 4 only moves up and down under the drive of screw mandrel 11，Lead-in wire 6 it is provided with on base 3，Lead-in wire 6 is for ground connection.
Embodiment 2:
In this enforcement, other technical characteristic of equipment is all identical with embodiment 1, simply the connected mode between screw mandrel and push rod is become following structure: the bottom of push rod is provided with hollow ring base, it is provided with bearing between inwall and the screw mandrel outer wall of push rod, thus decrease and dig and the step of screw hole, antiwhip is the highest, can be with the service life of extension device.
Claims (9)
- null1. a KYN28 type switch cabinet bus static contact grounding device，It is characterized in that: include the action bars of isolation material、The action bars sleeve pipe of isolation material、The base of metal material、Push rod、The calvus of multiple metal materials、Lead-in wire and tightening device，Described action bars is cylindric，The head of action bars is provided with screw mandrel，Described base is metallic conductor，Base be internally provided with top-down through hole，Silk it is provided with on through-hole wall，The top of base is provided with pawl seat，Pawl seat is arranged centered by the axis of through hole ringwise，The screw mandrel at action bars top matches with the silk of chassis interior，Action bars moves up and down by being rotated in chassis interior，The outer cover of action bars is equipped with action bars sleeve pipe，The top of action bars sleeve pipe is connected with the outer wall of base，The bottom of action bars is stretched out from the bottom of action bars sleeve pipe，It is provided with calvus on the pawl seat of base，It is connected by bearing pin between calvus with pawl seat，It is provided with tightening device on the inwall of calvus，Calvus is pulled to the axle center of base by tightening device，The top of screw mandrel protrudes from the upper end face of base，The top of screw mandrel is provided with push rod，It is flexibly connected between screw mandrel with push rod，When screw mandrel rotates，Push rod only moves up and down under the drive of screw mandrel，Described push rod includes the body of rod and branch，The axis of the body of rod and the dead in line of screw mandrel，Branch is positioned on the side of the body of rod，The head of branch contacts with calvus，Lead-in wire it is provided with on base.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: the outer wall on described base top is regular hexagon, the outer wall of bottom is cylindric, and the upper top edge of outer wall is evenly arranged with three pawl seats around the axis of base.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: described calvus number is three, calvus be shaped as bending, the bending of inward at both ends up and down of calvus, the middle outwardly convex of calvus, the upper inside surface of calvus is arc-shaped, is provided with the connecting hole being connected with pawl seat bottom calvus, it is provided with groove on the inwall of the bottom of calvus, the inwall in the middle part of calvus is provided with take-up device connecting hole.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: described tightening device is three stretching springs, one end of three stretching springs is Y-connection, and the other end of three stretching springs is connected with the connecting hole of calvus.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: bottom described action bars, be provided with insulation handle, a ring annular groove it is provided with on action bars inside pipe casing, being on conplane action bars with annular groove and be provided with rotating shaft, the two ends of rotating shaft are positioned at groove.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 2, it is characterised in that: the described inner surface on action bars sleeve pipe top is connected with the outer surface of base bottom, and action bars jacket exterior is provided with iron hoop.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterised in that: the branch quantity of described push rod head is three, and the angle between three branchs is 120 °, and branch end is provided with roller.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: the connection between described screw mandrel and push rod is as follows, the bottom of push rod is provided with hollow ring base, is provided with bearing between inwall and the screw mandrel top exterior walls of push rod.
- KYN28 type switch cabinet bus static contact grounding device the most according to claim 1, it is characterized in that: the connection between described screw mandrel and push rod is as follows, the bottom of push rod is provided with hollow ring base, screw mandrel is deep into inside annular base, and have gap each other, it is provided with annular groove on the body of rod in annular base, the screw hole inside and outside through sidewall it is provided with on the sidewall of annular base, screw it is provided with in screw hole, the head of screw is positioned at annular groove, but does not contacts with the surface of annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370203.XA CN104167617B (en) | 2014-07-31 | 2014-07-31 | KYN28 type switch cabinet bus static contact grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370203.XA CN104167617B (en) | 2014-07-31 | 2014-07-31 | KYN28 type switch cabinet bus static contact grounding device |
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| Publication Number | Publication Date |
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| CN104167617A CN104167617A (en) | 2014-11-26 |
| CN104167617B true CN104167617B (en) | 2016-08-03 |
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| CN201410370203.XA Active CN104167617B (en) | 2014-07-31 | 2014-07-31 | KYN28 type switch cabinet bus static contact grounding device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106207885B (en) * | 2016-07-22 | 2017-11-07 | 国网辽宁省电力有限公司鞍山供电公司 | The short circuit fixture and method of charged for replacement 220kV pipe bus telescoping wire clamps |
| CN106451158B (en) * | 2016-12-05 | 2018-08-28 | 陈光钦 | A kind of enclosed switchgear busbar grounding bar |
| CN106602440B (en) * | 2016-12-09 | 2018-06-22 | 国网湖北省电力公司咸宁供电公司 | A kind of enclosed switchgear busbar grounding specific purpose tool |
| CN107769081A (en) * | 2017-11-29 | 2018-03-06 | 贵州电网有限责任公司 | A kind of Electric Power Line Overhaul is grounded lap bars |
| CN108390301B (en) * | 2018-04-09 | 2019-11-22 | 贵州电网有限责任公司 | Trolley type switch cabinet common ground tool |
| CN108270187B (en) * | 2018-04-25 | 2024-03-15 | 河南新弘电力科技有限公司 | Three-span safety backup wedge-shaped wire clamp |
| CN109546567A (en) * | 2019-01-05 | 2019-03-29 | 谭加新 | A kind of portable central cabinet grounding device |
| CN113972535B (en) * | 2021-11-05 | 2023-08-22 | 国网河南省电力公司济源供电公司 | Elbow type head hanging ground wire auxiliary device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201112602Y (en) * | 2007-10-11 | 2008-09-10 | 上海千驰电力设备有限公司 | Grounding wire clamp operation bar with oscillating pincers head |
| CN203351785U (en) * | 2013-08-08 | 2013-12-18 | 国家电网公司 | Ground wire operating device |
| CN204205095U (en) * | 2014-07-31 | 2015-03-11 | 国网河南省电力公司济源供电公司 | KYN28 type switch cabinet bus fixed contact earthing device |
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Owner name: JIYUAN POWER SUPPLY COMPANY, STATE GRID HENAN ELEC Free format text: FORMER OWNER: JIYUAN POWER SUPPLY COMPANY OF HENAN ELECTRIC POWER COMPANY Effective date: 20150126 |
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Effective date of registration: 20150126 Address after: 454650 No. 1815 middle of the Yellow River Road, Henan, Jiyuan Applicant after: JIYUAN POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER COMPANY Address before: 454650 No. 1815 middle of the Yellow River Road, Henan, Jiyuan Applicant before: Jiyuan Power Supply Co., Ltd. of Henan Electric Power Corporation |
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Address after: 454650 No. 1815 middle of the Yellow River Road, Henan, Jiyuan Applicant after: JIYUAN POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER COMPANY Address before: 454650 No. 1815 middle of the Yellow River Road, Henan, Jiyuan Applicant before: Jiyuan Power Supply Co., Ltd. of Henan Electric Power Corporation |
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Free format text: CORRECT: APPLICANT; FROM: JIYUAN POWER SUPPLY COMPANY OF HENAN ELECTRIC POWER COMPANY TO: JIYUAN POWER SUPPLY COMPANY, STATE GRID HENAN ELECTRIC POWER COMPANY |
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