CN207234282U - On-load replaces the specific purpose tool of fuse switch - Google Patents

On-load replaces the specific purpose tool of fuse switch Download PDF

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Publication number
CN207234282U
CN207234282U CN201721266244.XU CN201721266244U CN207234282U CN 207234282 U CN207234282 U CN 207234282U CN 201721266244 U CN201721266244 U CN 201721266244U CN 207234282 U CN207234282 U CN 207234282U
Authority
CN
China
Prior art keywords
insulation
fuse switch
lead wire
checkpost
connector
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.)
Withdrawn - After Issue
Application number
CN201721266244.XU
Other languages
Chinese (zh)
Inventor
谢超
颜立
唐晓东
何志军
周栅延
谭鹏飞
王玮
王柏青
范超
周宇峰
袁媛
秦长忠
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 Hunan Electric Power Co Ltd
Hengyang Power Supply Co of State Grid Hunan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Hengyang Power Supply Co of State Grid Hunan 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 Hunan Electric Power Co Ltd, Hengyang Power Supply Co of State Grid Hunan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721266244.XU priority Critical patent/CN207234282U/en
Application granted granted Critical
Publication of CN207234282U publication Critical patent/CN207234282U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses the specific purpose tool that a kind of on-load replaces fuse switch, it includes T connector and is removably connected to the cross-arm connection component of T connector bar portion and is removably connected to the external insulation strut at T connector head both ends, insulation lead wire is equipped with outside two external insulation struts, the outer end of one insulation lead wire is equipped with Wiring nose, the outer end of another insulation lead wire is equipped with wire clamp, and conductor is equipped with the head of T connector and external insulation strut.In actual use, bar is stepped on by operating personnel first to carry to be repaired, then insulation masking is carried out, this instrument is connected on corresponding cross-arm by cross-arm connection component after masking, then the Wiring nose outside insulation lead wire is connected on fuse switch, and drainage thread is overlapped by wire clamp and completes drainage, the on-load that next can carry out fuse switch is replaced.The activity duration can effectively be shortened, operating personnel's labor intensity is reduced, improve work efficiency and operational security.

Description

On-load replaces the specific purpose tool of fuse switch
Technical field
The utility model belongs to livewire work field, more particularly to a kind of on-load replaces the special tool of fuse switch Tool.
Background technology
With the development of electric utility, electricity consumption reliability and good service seem more and more important, and livewire work is in electricity Proportion in power production increasingly increases, and the particularly replacement of accident maintenance and power equipment is safeguarded, yet with electrical equipment Natural aging and the influence of irresistible external force, usually meet fuse switch failure or damage, therefore in routine work Need teams and groups to carry out regular maintenance, equipment is replaced.And replace that fuse switch work flow is cumbersome, and insulation measures must Must set in place, needed during traditional work, before replacement by insulation lead wire be installed on failure fuse switch both ends into Row drainage, is then checked and is replaced to fuse switch again.Since insulation lead wire is not easy to fix in operation, cause Time-consuming for whole operation process, and operating personnel's labor intensity is big, causes replacement fuse switch difficult.
Inventor is exhausted before the statistics post analysis for carrying out related data find traditional on-load replacement fuse switch Edge masking preparation, install insulation lead wire and detect through-flow situation and remove insulation lead wire, fixing bracket and insulation screening Cover three steps of measure the sum of spent time that is averaged and account for the whole flow process average operation time 74.5%.And born using conventional method band It is averagely 81.25 minutes time-consuming that lotus replaces single-phase fault fuse switch, if occur multiphase fuse switch break down or When landform where person's circuit is bad, taking will be longer.Operating personnel will appear from the situation of physical fatigue, and the dangerous of operation also will Greatly increase, also the failure fuse switch activity duration is replaced without a kind of specific purpose tool to reduce on-load at present, with drop The low activity duration, reduces operating personnel's labor intensity, improves live-working safety and overhaul efficiency.
Utility model content
It can shorten activity duration, reduction operating personnel labor intensity the purpose of this utility model is to provide one kind, carry The on-load of high workload efficiency and job security replaces the specific purpose tool and method of fuse switch.
The utility model provides the specific purpose tool that a kind of on-load replaces fuse switch, it include T connector and It is removably connected to the cross-arm connection component of T connector bar portion and is removably connected to the external insulation at T connector head both ends Strut, two external insulation struts are equipped with insulation lead wire outside, and the outer end of an insulation lead wire is equipped with Wiring nose, another insulation drainage The outer end of line is equipped with wire clamp, and conductor is equipped with the head of T connector and external insulation strut.
In a specific embodiment, the cross-arm connection component is made to include the first checkpost, connecting rod, the second checkpost and endure Bar, the first checkpost include horizontal segment and vertical section for L-type card, and one end of horizontal segment axial centre is set equipped with threaded hole, the other end There is unthreaded hole, vertical section is U-shaped section that both sides edge lengths do not wait, and U-shaped section of opening width is matched with the thickness of cross-arm a side;The Two checkposts include card main body and insulation sleeve, are equipped with spring in insulation sleeve, and one end interference of connecting rod is connected to that unthreaded hole is interior, the other end is stretched Enter in insulation sleeve, tappet is T-bar, and the head of tappet is connected in insulation sleeve with spring, bar portion is stretched out outside insulation sleeve, promotes the Two checkposts make tappet remains stationary at the same time, and spring is pressurized, and with the second checkpost relative motion occurs for the first checkpost.
In order to improve the reliability being connected with cross-arm, threaded hole is equipped with the bottom of the vertical section, for installation locking Bolt.
In a specific embodiment, the epimere for making the card main body is fang platform, lower end is bucking ladder, and the center of fang platform is set The through hole that the connecting rod passes through is useful for, the one side of bucking ladder is equipped with the bayonet for being matched with cross arm lateral side.
In a specific embodiment, the head of the T connector includes insulating coating and conductive core, conductive core Axial both ends are unthreaded hole, middle part is internal thread hole, and the bar portion of T connector sets threaded connecting rod and described first by end Checkpost is threadedly coupled and is integrated.
In a specific embodiment, the external insulation strut includes insulation shell and conductive core, and one end of conductive core is External screw thread head, the other end assigned in the internal thread hole are the threaded hole for being threadedly coupled with the insulation lead wire.
In order to improve insulation effect, insulation sleeve is equipped with the junction of the external insulation strut and the insulation lead wire.
In a specific embodiment, the wire clamp presss from both sides for copper wire, including geometrical clamp and activity are pressed from both sides, and geometrical clamp is C-type clamp, The bottom of C-type clamp is equipped with threaded hole, activity folder include through threaded hole screw rod and be connected to screw tip and be located in C-type clamp Movable block, the bottom of screw rod are equipped with connection handle easy to operation, and the side wall of geometrical clamp is externally provided with for being connected with insulation lead wire Screw.
In order to ensure insulation performance, make the insulation shell, insulation sleeve, insulating coating, connecting rod and cross-arm connection component Material is epoxy resin.
The utility model in actual use, is stepped on bar by operating personnel first and is carried to be repaired, then insulate This instrument, is connected on corresponding cross-arm, then by connecing outside insulation lead wire by masking after masking by cross-arm connection component Line nose is connected on fuse switch, and is overlapped drainage thread by wire clamp and completed drainage, next can be carried out drop type and be melted The on-load of disconnected device is replaced.The activity duration can effectively be shortened, operating personnel's labor intensity is reduced, improve work efficiency and work Industry security.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model one embodiment.
Fig. 2 is the assembly magnification diagram of T connector and cross-arm connection component in Fig. 1.
Fig. 3 is the enlarged diagram of the first checkpost in Fig. 2.
Fig. 4 is the enlarged diagram of the second checkpost in Fig. 2.
Fig. 5 is the enlarged diagram of Fig. 1 China and foreign countries insulation brace rod.
Fig. 6 is the side view enlarged diagram of wire clamp in Fig. 1.
Illustrate sequence number:
1-T connector, 2-connecting rod, 3-cross-arm connection component, 4-external insulation strut, 5-insulation lead wire, 6- Wiring nose, 7-wire clamp, 8-insulation sleeve, 11-insulating coating, 12-conductive core, the 31-the first checkpost, 32-connecting rod, 33- Second checkpost, 34-tappet, 35-spring, 41-insulation shell, 42-conductive core, 71-geometrical clamp, 72-activity folder, 73-spiral shell Nail, 311-horizontal segment, 312-vertical section, 331-card main body, 332-insulation sleeve, 721-screw rod, 722-movable block, 723-connection handle.
Embodiment
As shown in Figure 1, this on-load provided in this embodiment replaces the specific purpose tool of fuse switch, it includes T Type joint 1, connecting rod 2, cross-arm connection component 3, external insulation strut 4, insulation lead wire 5, Wiring nose 6 and wire clamp 7;T connector The both ends on head are connected with external insulation strut, insulation lead wire in turn, the outer end connection Wiring nose of side insulation lead wire, another The outer end connection wire clamp of side insulation lead wire, the bar portion of T connector connect cross-arm connection component by connecting rod.
As shown in Fig. 2-4, the head of T connector 1 includes insulating coating 11 and conductive core 12, the axial direction of conductive core Both ends are unthreaded hole, middle part is internal thread hole, and the bar portion of T connector is equipped with axial center hole.One end of connecting rod 2 for polished end, The other end is the end of thread.Cross-arm connection component 3 includes the first checkpost 31, connecting rod 32, the second checkpost 33 and tappet 34, the first checkpost 31 include horizontal segment 311 and vertical section 312 for L-type card, and one end of horizontal segment axial centre is equipped with light equipped with threaded hole, the other end Hole, do not waited for both sides edge lengths U-shaped section of vertical section, U-shaped section of opening width is matched with the thickness of cross-arm a side, and The bottom of vertical section is equipped with threaded hole, for installation locking bolt to improve and the horizontal connection reliability to side;Second checkpost 33 Including card main body 331 and insulation sleeve 332, the epimere of card main body 331 is square platform, lower end is bucking ladder, and the center of square platform is set The through hole that connecting rod passes through is useful for, the one side of bucking ladder is equipped with the bayonet for being matched with cross arm lateral side, bullet is equipped with insulation sleeve 332 Spring 35, one end interference of connecting rod 32 is connected in the unthreaded hole of the first checkpost, the other end is stretched into insulation sleeve and is connected with spring, tappet For T-bar, the head of tappet 34 is connected, outside bar portion stretching insulation sleeve with spring in insulation sleeve, keeps tappet motionless, be pulled outwardly Second checkpost, spring are pressurized, and with the second checkpost relative motion occurs for the first checkpost.
As shown in figure 5, external insulation strut 4 includes insulation shell 41 and conductive core 42, one end of conductive core is described to be matched with External screw thread head, the other end of internal thread hole are the threaded hole for being threadedly coupled with insulation lead wire.In connection in external insulation The junction of strut and insulation lead wire is equipped with insulation sleeve 8 to improve insulation effect.
As shown in fig. 6, wire clamp 7 is designed as copper wire folder, it includes geometrical clamp 71 and activity folder 72, and geometrical clamp is C-type clamp, The bottom of C-type clamp is equipped with threaded hole, activity folder 72 include through threaded hole screw rod 721 and be connected to screw tip and be located at c-type Movable block 722 in folder, the bottom of screw rod are equipped with connection handle 723 easy to operation, the side wall of geometrical clamp be externally provided with for it is exhausted The screw 73 of edge drainage thread connection.
The on-load that fuse switch is carried out using above-mentioned specific purpose tool is replaced, and is comprised the following steps:Operation first Insulation masking electrical body and ground connection thing after personnel are stepped at bar to cross-arm;Secondly first checkpost is blocked to a side of cross-arm, it is mobile Second checkpost blocks another side of cross-arm to it, this instrument is fixed on cross-arm;Then by the wiring outside insulation lead wire Nose is connected on fuse switch, and complete by wire clamp overlap joint drainage thread;Failure fuse switch is replaced again;Finally remove Insulation lead wire simultaneously removes the second checkpost and the first checkpost from cross-arm respectively, then removes masking measure.
So utilization through this embodiment, operating personnel, which need to be only stepped on after bar carries out insulation masking to place to be repaired, passes through horizontal stroke Instrument is connected on corresponding cross-arm by load connection component, and the Wiring nose outside insulation lead wire then is connected to drop type fusing On device, and drainage thread is overlapped by wire clamp and completes drainage, you can the on-load for carrying out fuse switch is replaced.Can be effective Shorten the activity duration, reduce operating personnel's labor intensity, improve work efficiency and operational security.

Claims (9)

1. a kind of on-load replaces the specific purpose tool of fuse switch, it is characterised in that:It includes T connector and detachably connects It is connected to the cross-arm connection component of T connector bar portion and is removably connected to the external insulation strut at T connector head both ends, outside two Insulation lead wire is equipped with outside insulation brace rod, the outer end of an insulation lead wire is equipped with Wiring nose, the outer end of another insulation lead wire Equipped with wire clamp, conductor is equipped with the head of T connector and external insulation strut.
2. on-load according to claim 1 replaces the specific purpose tool of fuse switch, it is characterised in that:The cross-arm Connection component includes the first checkpost, connecting rod, the second checkpost and tappet, and the first checkpost includes horizontal segment and vertical section, water for L-type card One end of flat section axial centre is equipped with threaded hole, the other end is equipped with unthreaded hole, and vertical section is U-shaped section that both sides edge lengths do not wait, U-shaped The opening width of section is matched with the thickness of cross-arm a side;Second checkpost includes card main body and insulation sleeve, and bullet is equipped with insulation sleeve Spring, one end interference of connecting rod is connected in unthreaded hole, the other end is stretched into insulation sleeve, and tappet is T-bar, and the head of tappet is being insulated It is connected in set with spring, outside bar portion stretching insulation sleeve, promotes the second checkpost to make tappet remains stationary at the same time, spring is pressurized, and first With the second checkpost relative motion occurs for checkpost.
3. on-load according to claim 2 replaces the specific purpose tool of fuse switch, it is characterised in that:It is described vertical The bottom of section is equipped with threaded hole, for installation locking bolt.
4. on-load according to claim 2 replaces the specific purpose tool of fuse switch, it is characterised in that:The card master The epimere of body is fang platform, lower end is bucking ladder, and the center of fang platform, which is equipped with, is used for the through hole that the connecting rod passes through, the side of bucking ladder Face is equipped with the bayonet for being matched with cross arm lateral side.
5. on-load according to claim 2 replaces the specific purpose tool of fuse switch, it is characterised in that:It is described T-shaped The head of connector includes insulating coating and conductive core, and the axial both ends of conductive core are unthreaded hole, middle part is internal thread hole, T-shaped The bar portion of connector, which by end sets threaded connecting rod and is threadedly coupled with first checkpost, to be integrated.
6. on-load according to claim 5 replaces the specific purpose tool of fuse switch, it is characterised in that:It is described outer exhausted Edge strut includes insulation shell and conductive core, and one end of conductive core is that external screw thread head, the other end for being matched with the internal thread hole are For the threaded hole being threadedly coupled with the insulation lead wire.
7. on-load according to claim 6 replaces the specific purpose tool of fuse switch, it is characterised in that:It is described outer exhausted Edge strut and the junction of the insulation lead wire are equipped with insulation sleeve.
8. on-load according to claim 1 replaces the specific purpose tool of fuse switch, it is characterised in that:The wire clamp Pressed from both sides for copper wire, including geometrical clamp and activity are pressed from both sides, geometrical clamp is C-type clamp, and the bottom of C-type clamp is equipped with threaded hole, and activity folder includes wearing Cross the screw rod of threaded hole and be connected to the movable block that screw tip is located in C-type clamp, the bottom of screw rod is equipped with company easy to operation Handle is connect, the side wall of geometrical clamp is externally provided with the screw for being connected with insulation lead wire.
9. on-load according to claim 7 replaces the specific purpose tool of fuse switch, it is characterised in that:The insulation Shell, insulation sleeve, insulating coating, the material of connecting rod and cross-arm connection component are epoxy resin.
CN201721266244.XU 2017-09-29 2017-09-29 On-load replaces the specific purpose tool of fuse switch Withdrawn - After Issue CN207234282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721266244.XU CN207234282U (en) 2017-09-29 2017-09-29 On-load replaces the specific purpose tool of fuse switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721266244.XU CN207234282U (en) 2017-09-29 2017-09-29 On-load replaces the specific purpose tool of fuse switch

Publications (1)

Publication Number Publication Date
CN207234282U true CN207234282U (en) 2018-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721266244.XU Withdrawn - After Issue CN207234282U (en) 2017-09-29 2017-09-29 On-load replaces the specific purpose tool of fuse switch

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107546646A (en) * 2017-09-29 2018-01-05 国网湖南省电力公司 On-load changes the specific purpose tool and method of fuse switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107546646A (en) * 2017-09-29 2018-01-05 国网湖南省电力公司 On-load changes the specific purpose tool and method of fuse switch
CN107546646B (en) * 2017-09-29 2023-04-11 国网湖南省电力公司 Special tool and method for replacing drop-out fuse under load

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Granted publication date: 20180413

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