CN207234282U - On-load replaces the specific purpose tool of fuse switch - Google Patents
On-load replaces the specific purpose tool of fuse switch Download PDFInfo
- 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- Withdrawn - After Issue
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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
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.
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 |
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CN207234282U true CN207234282U (en) | 2018-04-13 |
Family
ID=61850272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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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CN (1) | CN207234282U (en) |
Cited By (1)
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 |
-
2017
- 2017-09-29 CN CN201721266244.XU patent/CN207234282U/en not_active Withdrawn - After Issue
Cited By (2)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20230411 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20230411 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |