CN107959259A - A kind of earth potential live operation abnormity insulation conductor cutter - Google Patents
A kind of earth potential live operation abnormity insulation conductor cutter Download PDFInfo
- Publication number
- CN107959259A CN107959259A CN201711392116.4A CN201711392116A CN107959259A CN 107959259 A CN107959259 A CN 107959259A CN 201711392116 A CN201711392116 A CN 201711392116A CN 107959259 A CN107959259 A CN 107959259A
- Authority
- CN
- China
- Prior art keywords
- cutter
- abnormity
- supporting rod
- earth potential
- live operation
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The present invention relates to a kind of earth potential live operation abnormity insulation conductor cutter, is widely used in the work such as the powered disconnected branched line lead of overhead distribution, on-load replacement disconnecting switch, belongs to distribution line operation field technical field.Including the one end for being installed on supporting rod and the scissors bit perpendicular with supporting rod, drive link for driving scissors bit work at a distance is installed on supporting rod, scissors bit includes tool apron and is fixed on tool apron one end fixing cutter, tool apron is equipped with the movable blade being used cooperatively with fixing cutter, movable blade is connected with leading screw, ratchet mechanism for driving leading screw to lift is installed, ratchet mechanism is connected by drive link and driven on leading screw.It is the configuration of the present invention is simple, esy to use, safe and reliable, it is applied widely, operating efficiency is high.
Description
Technical field
The present invention relates to a kind of earth potential live operation abnormity insulation conductor cutter, it is widely used in overhead distribution band
The disconnected branched line lead of electricity, on-load are replaced in the work such as disconnecting switch, belong to distribution line operation field technical field.
Background technology
Livewire work is that electric system carries out grid maintenance operation, eliminates the important means of grounding grid defect, can ensured
Line maintenance work is completed on the premise of electric power netting safe running, user's uninterrupted power supply, there is great economic benefit and society
Benefit.Powered disconnected branched line lead is a kind of common livewire work project, and operation or work standard requirement is in branched line lead
Upright position is cut-off, however, when carrying out this livewire work using earth potential working method, when operating personnel climbs up shaft tower
Afterwards, the edge of a knife of existing insulation conductor cutter is in parastate with lead, it is difficult to which work is cut-off in completion.If adjustment insulation broken string shear angle
Degree, may seriously affect job safety by the short circuit of conductor cutter insulated part.
At present, using existing live line tool, carry out the powered disconnected branched line lead of earth potential working method and exist very
Big limitation, not only largely consumes the muscle power of operating personnel, but also is typically to be cut-off in lead lower end, inevitably
Cause the lead ends of reservation long, so as to bring severe compromise.Therefore, there is an urgent need for develop a kind of new livewire work work device
Tool, completes the powered disconnected branched line lead work of earth potential working method safe efficiently.
At present, it would be highly desirable to a kind of earth potential live operation abnormity insulation conductor cutter that can solve above-mentioned technical problem occur.
The content of the invention
A kind of simple in structure, user is provided it is an object of the invention to overcome the shortcomings of above-mentioned prior art and equipment
Just, securely and reliably, applied widely, operating efficiency it is high be used for earth potential live operation abnormity insulation conductor cutter.
A kind of earth potential live operation abnormity insulation conductor cutter, it is characterized in that including being installed on supporting rod 2
One end and the scissors bit 1 perpendicular with supporting rod 2, the transmission for driving scissors bit 1 to work at a distance is provided with supporting rod 2
Bar 3, scissors bit 1 include tool apron 4 and are fixed on 4 one end fixing cutter 9 of tool apron, and tool apron 4 is equipped with the work being used cooperatively with fixing cutter 9
Moving knife 8, movable blade 8 are connected with leading screw 6, and the ratchet mechanism for driving leading screw 6 to lift is provided with leading screw 6, and ratchet passes
Motivation structure connects drive by drive link 3；
As a kind of preferable technical solution of the present invention, one end of the tool apron 4 is provided with cutter head 5, and fixing cutter 9 is installed on cutter head
On 5 and detachable, fixing cutter 9 includes I 9-1 of tool arm being connected with the cutter head 5 and fixation cutter head 9- perpendicular with tool arm 9-1
2, movable blade 8 includes being installed on II 8-1 of tool arm and the movable cutter head 8-2 perpendicular with II 8-1 of tool arm of 6 one end of screw, Gu
Stationary knife head 9-2 is parallel with movable cutter head 8-2 and side is tangent；
As a kind of preferable technical solution of the present invention, the fixed cutter head 9-2 is identical with movable cutter head 8-2 structures, two knives
The shear plane of head is both designed as arc；
As a kind of preferable technical solution of the present invention, the ratchet mechanism includes the bidirectional ratchet being sheathed on leading screw 6
7, ratchet spanner 7-1 is installed, ratchet spanner 7-1 is equipped with the switch for being used for controlling bidirectional ratchet 7 to commutate on bidirectional ratchet 7；
As a kind of preferable technical solution of the present invention, the drive link 3 includes the lower body of rod 13, is sheathed on supporting rod 2 and energy
Sliding block 14, the upper body of rod 12, handle 15, the handle base 16 being fixed on supporting rod 2 slided along 2 length direction of supporting rod, wherein
One end of the lower body of rod 13 is hinged with ratchet spanner 7-1, the other end and sliding block 14 are hinged, upper 12 one end of the body of rod and 14 phase of sliding block
The hinged, other end and handle 15 are hinged, and one end and the handle base 16 of handle 15 are hinged；
As a kind of preferable technical solution of the present invention, one end of the handle 15 is arranged with the handle sleeve for increasing frictional force
18；
As a kind of preferable technical solution of the present invention, the sliding rail 10 of hollow out is offered on the length direction of the tool apron 4；
As a kind of preferable technical solution of the present invention, it is provided with the leading screw 6 and rubs for reducing between leading screw 6 and tool apron 4
The disc spring 11 of power；
As a kind of preferable technical solution of the present invention, connecting sleeve 17, connecting sleeve are installed on the lower surface of the tool apron 4
17 are sheathed on supporting rod 2 and are screwed；
As a kind of preferable technical solution of the present invention, the supporting rod 2 is by epoxy resin and glass fibre synthetic material system
Into supporting rod.
The earth potential live operation of present invention abnormity insulation conductor cutter smart structural design, can apply in all bands
The disconnected branched line lead of electricity, on-load are replaced in the work such as disconnecting switch, it is possible to achieve cut-off in lead upright position,
There is provided conveniently for the development of corresponding livewire work project, using the invention can avoid in the powered disconnected branched line lead work of tradition
The severe compromise brought since the powered termination of reservation is long, solving operating personnel, there are security risk, work effect
The low problem of rate, be conducive to it is safe efficient fulfil assignment, ensure electric power netting safe running, ensure operating personnel's life security, its have
Have the advantage that：
It is 1. simple in structure, easy to use.Abnormity insulation conductor cutter is by cutter head, ratchet, supporting rod, operating handle and transmission mechanism
Composition, Each part is compact, and connection is reliable, effectively coordinates, in use, only conducting wire need to be sticked into the edge of a knife, promotes operation up and down
Handle can complete broken string work；
2. light weight, mechanical strength are big, good insulating.Cutter head is made using high-strength alloy aluminum, and appropriate
Position adds hollow out design, waits the weight on the premise of sufficient mechanical strength is ensured, effectively reducing cutter head, supporting rod with
Drive link is made of epoxy resin and glass fibre synthetic material, has high insulating property；
3rd, flexibility and reliability.Cutter head is screwed on tool apron, can conveniently and efficiently be replaced after it becomes rusty blunt or damage,
In addition it is segment design sliding rail, front and rear can slides freely, operating mechanism uses the principle of bidirectional ratchet, can freely control
The folding of the edge of a knife processed, easy to operate, flexibility and reliability；
4th, it is applied widely.Opening after the edge of a knife opens completely is 350mm, can cut short the distribution line lead of all models,
The use of the present invention can be applied to all make somebody a mere figurehead from the limitation of the external conditions such as personnel, landform, environment, events in operation
The powered disconnected branched line lead of distribution line, on-load are replaced in the work such as disconnecting switch；
5. improve safety coefficient.Disconnected lead operation is carried out using the present invention, lead can be disconnected at an arbitrary position, protected as required
Suitable powered termination is stayed, the safety of personnel and equipment is effectively ensured, while lower the labor intensity of operating personnel, effective guarantee
Personal safety.
Brief description of the drawings
Fig. 1：A kind of structure diagram of earth potential live operation of present invention abnormity insulation conductor cutter；
Fig. 2：The drive link and the matched knot of other components of a kind of earth potential live operation of present invention abnormity insulation conductor cutter
Structure schematic diagram；
Fig. 3：The structure diagram of scissors bit；
Fig. 4：The structure diagram of tool apron；
Fig. 5：Fixing cutter and the matched structure diagram of movable blade；
Fig. 6：The A of Fig. 5 is to structure diagram.
In figure：1st, scissors bit；2nd, supporting rod；3rd, drive link；4th, tool apron；5th, cutter head；6th, screw；7th, bidirectional ratchet；7-1、
Ratchet spanner；8th, movable blade；8-1, tool arm II；8-2, movable cutter head；9th, fixing cutter；9-1, tool arm；9-2, fixed cutter head； 10、
Sliding rail；11st, disc spring；12nd, the upper body of rod；13rd, the lower body of rod；14th, sliding block；15th, handle；16th, handle base；17th, connecting sleeve；
18th, handle sleeve.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
The earth potential live operation of the present embodiment is standby with abnormity insulation conductor cutter, refer to the attached drawing 1-6, the ground potential band of the present embodiment
Electric operation is mainly included with lower component with abnormity insulation conductor cutter：
Scissors bit 1, supporting rod 2, drive link 3, tool apron 4, cutter head 5, screw 6, bidirectional ratchet 7, ratchet spanner 7-1, movable blade 8,
II 8-1 of tool arm, movable cutter head 8-2, fixing cutter 9, tool arm 9-1, fixed cutter head 9-2, sliding rail 10, disc spring 11, the upper body of rod 12,
The lower body of rod 13, sliding block 14, handle 15, handle base 16, connecting sleeve 17, handle sleeve 18.
Connection relation：Scissors bit 1 is installed on one end of supporting rod 2 and the two is perpendicular, is provided with supporting rod 2 for remote
Distance drives the drive link 3 that scissors bit 1 works, and scissors bit 1 includes tool apron 4 and is fixed on 4 one end fixing cutter 9 of tool apron, on tool apron 4
Equipped with the movable blade 8 being used cooperatively with fixing cutter 9, movable blade 8 is connected with leading screw 6, is provided with leading screw 6 for driving leading screw 6
The ratchet mechanism of lifting, ratchet mechanism connect drive by drive link 3, hollow out are offered on the length direction of tool apron 4
Sliding rail 10, connecting sleeve 17 is installed on the lower surface of tool apron 4, connecting sleeve 17 is sheathed on supporting rod 2 and passes through
Screw is fixed；
The concrete structure of fixing cutter 9 and movable blade 8：One end of tool apron 4 is provided with cutter head 5, fixing cutter 9 be installed on cutter head 5 and
Detachably, fixing cutter 9 includes I 9-1 of tool arm being connected with the cutter head 5 and fixation cutter head 9-2 perpendicular with tool arm 9-1, living
Moving knife 8 includes II 8-1 of tool arm and the movable cutter head 8-2 perpendicular with II 8-1 of tool arm for being installed on 6 one end of screw, fixing cutter
Head 9-2 is parallel with movable cutter head 8-2 and side is tangent, and fixed cutter head 9-2 is identical with movable cutter head 8-2 structures, two cutter heads
Shear plane be both designed as arc；
The concrete structure of ratchet mechanism：Ratchet mechanism includes the bidirectional ratchet 7 being sheathed on leading screw 6, bidirectional ratchet 7
On ratchet spanner 7-1 is installed, ratchet spanner 7-1 is equipped with the switch for being used for controlling bidirectional ratchet 7 to commutate；
The concrete structure of drive link：Drive link 3 includes the lower body of rod 13, is sheathed on supporting rod 2 and can be along 2 length direction of supporting rod
Sliding block 14, the upper body of rod 12, handle 15, the handle base 16 being fixed on supporting rod 2 of slip, wherein one end of the lower body of rod 13 and spine
Wheel spanner 7-1 is hinged, the other end and sliding block 14 are hinged, and upper 12 one end of the body of rod and sliding block 14 are hinged, the other end and handle
15 are hinged, and one end and the handle base 16 of handle 15 are hinged, and one end of handle 15 is arranged with the handle for increasing frictional force
Set 18.
Embodiment 2
The present embodiment and embodiment 1 difference lies in：Dish for reducing frictional force between leading screw 6 and tool apron 4 is installed on leading screw 6
Spring 11.
Operation principle：The tool apron 4 that the abnormity insulation of the present embodiment is cut short is made using high-strength aluminum alloy material,
There is less weight on the premise of sufficient mechanical strength is ensured, the hollow out design of sliding rail 10 also effectively reduces itself
Weight, cutter head are divided movable blade 8 and fixing cutter 9, are made using high-strength stainless steel material, and both sides cutter head is arc-shaped,
Be conducive to round conductor being fixed in the edge of a knife, in addition devise sliding rail 10 for movable blade on tool apron 4, make movable blade 8
Slide and more stablize, leading screw 6 is force transmission mechanism, is fixed together with movable blade 8, movable blade 8 can be driven to move back and forth, leading screw
6 are equipped with disc spring 11 with the junction of tool apron 4, effectively reduce the friction between leading screw 6 and tool apron 4, and bidirectional ratchet 7 is for connecting biography
Lever 3 and leading screw 6, when operating the drive rotation of bidirectional ratchet 7 of drive link 3, can drive movable blade 8 move, make knife by leading screw 6
Mouth occlusion is opened；
Supporting rod 2 is made using epoxy resin and glass fibre synthetic material, has higher insulation performance, and can guarantee that
Enough mechanical strengths, for supporting scissors bit 1, and ensure that effective insulated lengths between operating personnel and conducting wire are more than
0.7m；
Drive link 3 divides for the upper body of rod 12, the lower body of rod 13 and operating handle 15, passes through sliding block 14 between the upper body of rod 12, the lower body of rod 13
Connection, sliding block 14 can slide on supporting rod 2, so as to ensure the effective exercise track of drive link 3,15 one end of operating handle is consolidated
It is scheduled on supporting rod 2, the other end is operation handle, and lower 13 one end of the body of rod is connected with bidirectional ratchet 7, and one end sliding block 14 connects, real
Existing transmission agency.Drive link 3 is also made using epoxy resin and glass fibre synthetic material, but its diameter is relatively small,
It is mainly used to power transmission, and ensures effective insulation of more than 0.7m.
It will be lifted in use, staff steps on bar to appropriate location, holding 2 lower end of supporting rod on scissors bit 1 to conductor height,
The edge of a knife is stuck in the appropriate location of vertical wires, the handle 15 with a hand with handle base 16 for the upper and lower promotion drive link 3 of axis,
The upper and lower movements of reversible ratcheting tool 7-1 on scissors bit 1 are driven by drive link 3, the unidirectional fortune forward of leading screw 6 can be driven therewith
It is dynamic, movable blade 8 is constantly moved to 9 direction of fixing cutter, so that the edge of a knife constantly closes, realize the purpose for cutting conducting wire, cut
After conducting wire, the switch on reversible ratcheting tool 7-1 is adjusted, operates drive link 3 with identical method, drive link 3 drives two-way spine
Wheel 7 reversely rotates, so that the edge of a knife gradually opens, during use, drive link 3 and reversible ratcheting tool 7-1 employ thick stick
Rod principle effectively reduces operating personnel's labor intensity, it can be achieved that labor-saving effect.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of earth potential live operation abnormity insulation conductor cutter, it is characterised in that including being installed on supporting rod（2）One end
And and supporting rod（2）Perpendicular scissors bit（1）, supporting rod（2）On be provided with a distance drive scissors bit（1）Work
Drive link（3）, scissors bit（1）Including tool apron（4）And it is fixed on tool apron（4）One end fixing cutter（9）, tool apron（4）It is equipped with consolidating
Stationary knife（9）The movable blade being used cooperatively（8）, movable blade（8）It is connected with leading screw（6）, leading screw（6）On be provided with for driving leading screw
（6）The ratchet mechanism of lifting, ratchet mechanism is by drive link（3）Connection drives.
A kind of 2. earth potential live operation described in accordance with the claim 1 abnormity insulation conductor cutter, it is characterised in that the knife
Seat（4）One end cutter head is installed（5）, fixing cutter（9）It is installed on cutter head（5）It is upper and detachable, fixing cutter（9）Including with cutter head
（5）The tool arm I being connected（9-1）And and tool arm（9-1）Perpendicular fixation cutter head（9-2）, movable blade（8）Including being installed on
Screw（6）The tool arm II of one end（8-1）And with tool arm II（8-1）Perpendicular movable cutter head（8-2）, fixed cutter head（9-2）
With movable cutter head（8-2）Parallel and side is tangent.
3. a kind of earth potential live operation described in accordance with the claim 2 abnormity insulation conductor cutter, it is characterised in that described solid
Stationary knife head（9-2）With movable cutter head（8-2）Structure is identical, and the shear plane of two cutter heads is both designed as arc.
A kind of 4. earth potential live operation described in accordance with the claim 1 abnormity insulation conductor cutter, it is characterised in that the spine
Wheel drive mechanism includes being sheathed on leading screw（6）On bidirectional ratchet（7）, bidirectional ratchet（7）On ratchet spanner is installed（7-1）,
Ratchet spanner（7-1）It is equipped with and is used to control bidirectional ratchet（7）The switch of commutation.
A kind of 5. earth potential live operation described in accordance with the claim 1 abnormity insulation conductor cutter, it is characterised in that the biography
Lever（3）Including the lower body of rod（13）, be sheathed on supporting rod（2）Above and can be along supporting rod（2）The sliding block that length direction slides（14）、
The upper body of rod（12）, handle（15）, be fixed on supporting rod（2）On handle base（16）, wherein the lower body of rod（13）One end and ratchet
Spanner（7-1）It is hinged, the other end and sliding block（14）It is hinged, the upper body of rod（12）One end and sliding block（14）It is hinged, the other end
With handle（15）It is hinged, handle（15）One end and handle base（16）It is hinged.
6. according to a kind of abnormity insulation conductor cutter of earth potential live operation described in claim 5, it is characterised in that described
Hand（15）One end be arranged with handle sleeve for increasing frictional force（18）.
7. according to a kind of abnormity insulation conductor cutter of earth potential live operation described in claim 5, it is characterised in that the knife
Seat（4）Length direction on offer the sliding rail of hollow out（10）.
A kind of 8. earth potential live operation described in accordance with the claim 1 abnormity insulation conductor cutter, it is characterised in that the silk
Thick stick（6）On be provided with for reducing leading screw（6）With tool apron（4）Between frictional force disc spring（11）.
9. according to a kind of abnormity insulation conductor cutter of earth potential live operation described in claim 1 or 8, it is characterised in that described
Tool apron（4）Lower surface on connecting sleeve is installed（17）, connecting sleeve（17）It is sheathed on supporting rod（2）Above and by screw consolidate
It is fixed.
A kind of 10. earth potential live operation described in accordance with the claim 1 abnormity insulation conductor cutter, it is characterised in that the branch
Strut（2）It is the supporting rod made of epoxy resin and glass fibre synthetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392116.4A CN107959259A (en) | 2017-12-21 | 2017-12-21 | A kind of earth potential live operation abnormity insulation conductor cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392116.4A CN107959259A (en) | 2017-12-21 | 2017-12-21 | A kind of earth potential live operation abnormity insulation conductor cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107959259A true CN107959259A (en) | 2018-04-24 |
Family
ID=61955502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711392116.4A Pending CN107959259A (en) | 2017-12-21 | 2017-12-21 | A kind of earth potential live operation abnormity insulation conductor cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107959259A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404072A (en) * | 2020-03-30 | 2020-07-10 | 国网山东省电力公司龙口市供电公司 | Ground potential live working is with insulating broken wire of dysmorphism is cut |
| CN114700443A (en) * | 2022-04-15 | 2022-07-05 | 国网河北省电力有限公司保定供电分公司 | Electric wire shearing device and electric wire shearing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254549A (en) * | 1978-12-15 | 1981-03-10 | Hastings Fiber Glass Products, Inc. | Cable cutter |
| CN2454958Y (en) * | 2000-10-26 | 2001-10-17 | 武汉供电局武昌分局 | Overhead insulated cable live wire-stripper |
| CN106735527A (en) * | 2017-03-08 | 2017-05-31 | 国家电网公司 | A kind of electronic bolt clipper |
-
2017
- 2017-12-21 CN CN201711392116.4A patent/CN107959259A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254549A (en) * | 1978-12-15 | 1981-03-10 | Hastings Fiber Glass Products, Inc. | Cable cutter |
| CN2454958Y (en) * | 2000-10-26 | 2001-10-17 | 武汉供电局武昌分局 | Overhead insulated cable live wire-stripper |
| CN106735527A (en) * | 2017-03-08 | 2017-05-31 | 国家电网公司 | A kind of electronic bolt clipper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404072A (en) * | 2020-03-30 | 2020-07-10 | 国网山东省电力公司龙口市供电公司 | Ground potential live working is with insulating broken wire of dysmorphism is cut |
| CN114700443A (en) * | 2022-04-15 | 2022-07-05 | 国网河北省电力有限公司保定供电分公司 | Electric wire shearing device and electric wire shearing equipment |
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Application publication date: 20180424 |