CN109155506A - Indirect live working holding tool - Google Patents
Indirect live working holding tool Download PDFInfo
- Publication number
- CN109155506A CN109155506A CN201780028207.1A CN201780028207A CN109155506A CN 109155506 A CN109155506 A CN 109155506A CN 201780028207 A CN201780028207 A CN 201780028207A CN 109155506 A CN109155506 A CN 109155506A
- Authority
- CN
- China
- Prior art keywords
- handle part
- electric wire
- mentioned
- live working
- indirect live
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/02—Jaws
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B9/00—Hand-held gripping tools other than those covered by group B25B7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J1/00—Manipulators positioned in space by hand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J1/00—Manipulators positioned in space by hand
- B25J1/04—Manipulators positioned in space by hand rigid, e.g. shelf-reachers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Electric Cable Installation (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The present invention provides the indirect live working holding tool that whether thicker electric wire or thinner electric wire can be held by an insulating bar.Indirect live working holding tool (10) of the invention is characterized by having insulating bar (14), handle part (12) with movable handle part (20) and fixed handle part (22), supplementary insulation operating stick (24) and holding operation portion (26), the front end of fixed handle part (22) is formed as the shape for being divided into two parts, movable handle part (20), which is formed with, draws circular arc in the plane of axis direction for including insulating bar (14), the circular arc camber (200r) abutted with electric wire (84), fixed handle part (22) include in the holding section (C) of the curved shape of the angle at obtuse angle, the electric wire (84) of path can be also held to which the electric wire (84) of major diameter can be held, in the case where handle part (12) is in close state, movably handle It holds and forms fan-shaped space between the circular arc camber (200r) of portion (20) and the holding section (C) of fixed handle part (22).
Description
Technical field
The present invention relates to indirect live working holding tools.More particularly to a kind of height that can indirectly to non-power failure
It is press-fitted the indirect live working holding tool that electric wire carries out livewire work, and can hold electric wire etc..
Background technique
In the past, in the livewire work for carrying out distribution engineering to high-tension distributing line under live state, there are direct electrifications
Construction method and indirectly two kinds of construction method of electrification.Direct charging construction method is that staff dresses high pressure rubber gloves etc.
Protector contacts the high-tension distributing line in being powered directly to carry out the construction method of distribution engineering, but exists and occur staff's
The danger of electric shock accidents.In contrast, electrification construction method is that staff utilizes referred to as indirect live working handle indirectly
The insulating bar for holding tool is not directly contacted with the high-tension distributing line in being powered to carry out the construction method of distribution engineering.
In general, indirect live working holding tool includes being referred to as insulated pliers or a kind of insulation quick lock in part (holding
The insulated pliers that the front end in portion intersects) indirect live working holding tool.These operating sticks are configured to that installation can not be replaced
Front end tool in front end.That is, insulated pliers or insulation quick lock in part are a specific purpose tools, it is for holding the special of electric wire
With tool, insulated pliers or insulation quick lock in part are the specific purpose tool for holding electric wire.Insulated pliers is thicker for holding
The operation of electric wire.Insulation quick lock in part is used to reliably hold the operation of thinner electric wire.
(existing technical literature)
(patent document)
Patent document 1: Japanese Unexamined Patent Publication 2013-9546 bulletin
Patent document 2: Japanese Unexamined Patent Publication 7-298436 bulletin
Summary of the invention
(problem to be solved by the invention)
In the past, the pull-down line of high-tension distributing line is carried out with holding tool using this indirect live working as staff
Whens cutting operation etc., in the case where possibly holding the electric wire of multiple diameter or the diameter dimension of electric wire can not judge
In the case where, it needs to prepare both insulated pliers and insulation quick lock in part and is made so as to the diameter of the electric wire according to holding
Industry.However, the electric wire as insulated pliers or insulation quick lock in part holds dedicated indirect live working holding tool body
Product is big, takes up space.Accordingly, there exist following problems: when staff works in the narrow operation bucket of high-altitude operation vehicle
When, operation bucket is by multiple staff and these insulated pliers and the indirect live working holding tool for the quick lock in part that insulate
And be crowded with, therefore, it is difficult to operations.
The present invention is to propose to solve the above-mentioned problems, and the purpose of the present invention is to provide either thicker electricity
The indirect live working holding tool that line or thinner electric wire can be held by an insulating bar.
(means solved the problems, such as)
The indirect live working holding tool of the scheme 1 of the invention is characterized in that indirect live working, which is used, holds work
The insulating bar of insulating properties is included, there is the length for keeping the safe distance of the safety between electric wire and human body or more
Degree;And handle part, the front end of insulating bar is set, has and is grasped using the holding being set on same insulating bar
Two opening and closing pieces for making the operation in portion and on-off action, in indirect live working in holding tool, two of handle part are opened and closed
Piece includes: fixed handle part, and front end is formed as the shape for being divided into two parts on the direction intersected with opening and closing direction;And
Movable handle part, front end enter the front end for being formed as two parts of fixed handle part in the closing motion of above-mentioned opening and closing piece
In portion, movable handle part be formed with drawn in the plane of axis direction for including insulating bar circular arc, abut with electric wire
Circular arc camber, fixed handle part includes being on the plane same plane that the circular arc camber with movable handle part draws circular arc
With the holding section of the curved shape of the angle at obtuse angle, so that the electric wire that can hold major diameter can also hold the electric wire of path, in handle
In the case that the portion of holding is in close state, formed between the circular arc camber of movable handle part and the holding section of fixed handle part fan-shaped
Space.
The indirect live working holding tool of the scheme 2 of the invention is characterized in that fixed handle part is in width direction
On be provided with recess.
The indirect live working holding tool of the scheme 3 of the invention is characterized in that, the substantial middle of movable handle part
Portion is provided with recess in the direction of the width.
Foregoing invention indirect live working in holding tool, in the engaging for being bent into obtuse angle of fixed handle part
Portion, preferably above-mentioned bending angle are 105 degree~120 degree.
Foregoing invention indirect live working in holding tool, the radius of curvature of the circular arc camber of movable handle part is excellent
It is selected as 1.5 times or so to 3 times or so of 15mm.
The circular arc camber of movable handle part is to cross over the side for pressing from both sides bisector of angle formed by the holding section of fixed handle part
The curved surface that formula extends, and be the arc-shaped with the protrusion opposite direction protrusion of the bending part of the holding section of fixed handle part
Curved surface.
The circular arc camber of the movable handle part of the indirect live working of invention holding tool preferably shape as follows
At: the center of curvature than relative to by the base portion of movable handle part with straight line that central portion base end side is connected and with right angle from central portion
The straight line that base end side extends is more in the inner part.
According to the invention of scheme 1, when being placed in the position that fixed handle part is in contact or intersects with movable handle part, with blunt
Fan-shaped space is formed between the holding section of fixation handle part and the circular arc camber of movable handle part of the angle formation at angle.If
In the state of in the space that threadlike body is put into above-mentioned sector, staff, which operates, holds operation portion close handle part
Movement is closed, then threadlike body is by the holding section for carrying out self-retaining handle part and the opposed pressure of the circular arc camber of movable handle part
Power.
According to the invention of scheme 2, fixed handle part can not only keep its intensity, but also be able to achieve lightweight.Electrification indirectly as a result,
Operation realizes lightweight with holding tool.
According to the invention of scheme 3, movable handle part can not only keep its intensity, but also be able to achieve lightweight.Electrification indirectly as a result,
Operation realizes lightweight with holding tool.
(The effect of invention)
According to the indirect live working of the invention of scheme 1 holding tool, the line that diameter can be 5mm~30mm can be held
Shape body.
According to the indirect live working of the invention of scheme 2 holding tool, the threadiness that diameter is 5mm~30mm can be held
Body, and can realize the lightweight of indirect live working holding tool.
According to the indirect live working of the invention of scheme 3 holding tool, the threadiness that diameter is 5mm~30mm can be held
Body, and can realize the lightweight of indirect live working holding tool.
Staff need to only carry an indirect live working holding tool according to the present invention to indirect electrification as a result,
The operation field of operation, without carrying both insulated pliers and transposition insulator pincers.In addition, if can be realized indirect live working
With the lightweight of the tool of holding, then staff can easily position indirect live working to target position with holding tool.
It, can be definitely of the invention by referring to accompanying drawing to the explanation for the mode below for carrying out an invention
Above-mentioned purpose, other purposes, feature and advantage.
Detailed description of the invention
Fig. 1 is the main view schematic thinking for showing indirect live working holding tool according to the present invention.
(A) of Fig. 2A is partially near the handle part from the movable handle part side of indirect live working holding tool
Amplification stereogram.
(B) of Fig. 2 B is partially near the handle part from the fixation handle part side of indirect live working holding tool
Amplification stereogram.
(C) of Fig. 2 C is partially the enlarged left view near the handle part of indirect live working holding tool, the part (D)
For the amplification right view near the handle part of indirect live working holding tool.
(A) of Fig. 3 A is partially the main view of fixed handle part.
(B) of Fig. 3 B is partially the left view of fixed handle part, and (C) is partially the right view of fixed handle part.
(D) of Fig. 3 C is partially the main view of movable handle part, and (E) is partially the left view of movable handle part, the portion (F)
It is divided into the right view of movable handle part.
Fig. 4 A is holding in the state that indirect live working holding tool holds thin electric wire (diameter is 5mm or so)
Enlarged front view solution figure near portion.
Fig. 4 B is handle in the state that indirect live working holding tool holds thick electric wire (diameter is 30mm or so)
Hold the enlarged front view solution figure near portion.
Fig. 5 is the master according to the movable handle part of the indirect live working holding tool in another embodiment of the present invention
View.
Fig. 6 A holds thin electric wire (directly for indirect live working holding tool in another embodiment in accordance with the invention
Diameter is 5mm or so) in the state of handle part near enlarged front view solution figure.
Fig. 6 B holds thick electric wire (directly for indirect live working holding tool in another embodiment in accordance with the invention
Diameter is 30mm or so) in the state of handle part near enlarged front view solution figure.
Specific embodiment
It is illustrated based on indirect live working of the attached drawing to embodiment according to the present invention with holding tool.Below will
The length direction of insulating bar 14 is defined as up and down direction, the direction definition that will be left from the central axis of insulating bar 14
It is outside.In addition, embodiment described below is an example for embodying the present invention, technology model of the invention is not limited
It encloses.
Indirect live working holding tool 10 shown in Fig. 1 includes handle part 12;Insulating bar 14, in front end
Portion is equipped with handle part 12;The operation for holding operation portion 26 is transmitted to handle part 12 by supplementary insulation operating stick 24;And it holds
Operation portion 26 is arranged near the base end part of insulating bar 14.Operation portion 26 is held for the contact separation to handle part 12
Movement is operated.Hereinafter, each structural element is described in detail.
Insulating bar 14 is the columned bar-like member being made of the material of insulating properties.Indirect live working is held
Tool 10 is the tool of cutting operation of the pull-down line for high-tension distributing line etc., therefore insulating bar 14 has for keeping
The length more than safe distance of the safety between electric wire and human body.On insulating bar 14, in order to avoid creeping discharge or
It leaks electricity and is provided with the portion of keeping off the rain 16 or flange 18.As described above, being equipped with handle part 12 in front end, it is arranged near base end part
Have and holds operation portion 26.Staff utilizes above-mentioned insulating bar 14, and the handle part 12 for being mounted on front end is navigated to
Job position, the contact separation that handle part 12 is carried out using operation portion 26 is held operate.
Supplementary insulation operating stick 24 is made of material identical with insulating bar 14, same as insulating bar 14, is
Prevent electric leakage, creeping discharge and be provided with the portion of keeping off the rain 16.The front end of supplementary insulation operating stick 24 pivotally with
The base portion 20d of aftermentioned movable handle part 20 is connected.The base end part of supplementary insulation operating stick 24 pivotally with it is rear
The operating sheet 26e for the holding operation portion 26 stated is connected.Supplementary insulation operating stick 24 is to being mounted on supplementary insulation operating stick 14
The contact separation operation of the holding operation portion 26 of the handle part 12 of front end is assisted.
Handle part 12 has movable handle part 20 and fixed handle part 22.Fixed handle part 22 has base portion 22a, first directly
Line portion 22b1, second straight line 22b2 and third straight line portion 22b3.
Fixed handle part 22 is formed by hard material, such as metal material.The base portion 22a of fixed handle part 22 is fitted into and consolidates
Due to the front end of insulating bar 14.As shown in part (A) of Fig. 3 A, it is formed with the length side relative to insulating bar 14
To thus the base portion 22a first straight line 22b1 that upwardly and outwardly side is extended with the angle of substantially 30 degree with substantially linear.?
This, it is so-called to refer to the contrary direction opposed with fixed handle part 22 with movable handle part 20 outward, and grasped with insulation
Make the direction that the central axis of bar 14 intersects.It is formed with and is connected with above-mentioned first straight line 22b1, and than above-mentioned first straight line
The portion 22b1 second straight line 22b2 bigger than normal outward for causing 17 degree of angle and extending.In addition, being formed with above-mentioned second directly
Line portion 22b2 is connected, and upwardly and inwardly side with the curved third straight line portion 22b3 of 75 degree~60 degree of angle.Here, so-called
Refer to the side that movable handle part 20 is opposed with fixed handle part 22 and intersects with the central axis of insulating bar 14 inwardly
To.The central portion base end side 20c of movable handle part 20 is via pivot 30 pivotally and as fixed handle part 22
The top of base portion 22a and it is connected with the part connecting second straight line 22b2 for first straight line 22b1.
The first bearing surface 222b1 is formed on the inside of first straight line 22b1.Institute in first bearing surface 222b1 and Fig. 2
Plane V (the plane of the length direction of axis direction and each straight line portion 22b1,22b2,22b3 including insulating bar 14 shown.
Hereinafter referred to as " imaginary plane V ".) it is orthogonal, and be include first straight line 22b1 length direction plane.
The Axis Cross of plane and insulating bar 14 made of first bearing surface 222b1 extends.
Equally, the second bearing surface 222b2 is formed on the inside of second straight line 22b2.Second bearing surface 222b2 and vacation
Think that plane V is orthogonal, and be include second straight line 22b2 length direction plane.Made of second bearing surface 222b2 extends
The Axis Cross of plane and insulating bar 14.
Equally, third bearing surface 222b3 is formed on the inside of the 22b3 of third straight line portion.Third bearing surface 222b3 and vacation
Think that plane V is orthogonal, and be include third straight line portion 22b3 length direction plane.Made of third bearing surface 222b3 extends
Plane and 14 Axis Cross of insulating bar.
Bending part between second bearing surface 222b2 and third bearing surface 222b3 is holding section C.
Bending bisector of angle between second bearing surface 222b2 and third bearing surface 222b3 is D.
Second bearing surface 222b2 of the inside of second straight line 22b2 is abutted with the third of the inside of third straight line portion 22b3
The angle that face 222b3 angulation is 105 degree~120 degree.
Electric wire 84 is locked to as in the above-mentioned bending as between the second bearing surface 222b2 and third bearing surface 222b3
Partial holding section C.
In addition, third straight line portion 22b3 is in the shape for being divided into two parts, the front end 20a of movable handle part 20, which has to work as, to be turned
The shape between the above-mentioned third straight line portion 22b3 for being divided into two parts can be entered when dynamic.The front end of third straight line portion 22b3 is formed as
It is thinner than second straight line 22b2 on the in-plane of imaginary plane V.Thus, it can be achieved that fixing the lightweight of handle part 22,
That is, lightweight of the indirect live working with holding tool 10.
The first straight line 22b1 and second straight line 22b2 of fixed handle part 22 are set on the orthogonal direction of imaginary plane V
It is equipped with recess.Thus, it can be achieved that the lightweight of fixed handle part 22, that is, indirect live working holding tool 10 can be achieved
Lightweight.
It is provided with imaginary plane V just on the second bearing surface 222b2 and third bearing surface 222b3 of fixed handle part 22
Multiple ridge W that the direction of friendship extends, above-mentioned ridge W is played when holding electric wire 84, for the anti-skidding effect of electric wire 84.Cause
This, ridge W can make indirect live working holding tool 10 reliably by electric wire by the axis direction extension in electric wire 84
84 are held in handle part 12 and electric wire 84 does not generate sliding.
Movable handle part 20 has front end 20a, central portion 20b, central portion base end side 20c and base portion 20d.
Movable handle part 20 is formed by hard material identical with fixed handle part 22, such as metal material.It is movable to hold
Portion 20 is formed as drawing the second bearing surface 222b2 and third bearing surface 222b3 with fixed handle part 22 on imaginary plane V
Warpage part (holding section C) the whole shape of substantially arc-shaped or crescent shaped curve that protrudes above of protrusion opposite direction
Shape.Especially in movable 20 inside of handle part, circular arc orthogonal with imaginary plane V and that circular arc is drawn on imaginary plane V is formd
Curved surface 200r.Circular arc camber 200r is the bearing surface between electric wire 84, is formed as concave shape.The curvature of circular arc camber 200r half
Diameter is 1.5 times or so to 3 times or so of the big radius (15mm or so) of the electric wire 84 as holding object.
Circular arc camber 200r is the second bearing surface 222b2 and third bearing surface the 222b3 institute to cross over fixed handle part 22
At bisector of angle D the curved surface that extends of mode, and to be supported with the second bearing surface 222b2 and third in fixed handle part 22
The curved surface for the arc-shaped that the protrusion opposite direction of the bending part of junction 222b3 protrudes above.Circular arc camber 200r is as follows
Formed: the center of curvature of circular arc camber 200r with relative to for connecting movable handle part 20 base portion 20d and central portion cardinal extremity
The straight line L2 that the straight line L1 of side 20c is extended with right angle from central portion base end side 20c is compared to more in the inner part.In movable handle part 20
Centre portion base end side 20c using via pivot 30 it is rotatable in a manner of with the top of the base portion 22a as fixed handle part 22, first
Straight line portion 22b1 is connected with the coupling part of second straight line 22b2.In addition, the base portion 20d of movable handle part 20 is can be rotated
Mode be connected with the front end of supplementary insulation operating stick 24.
As a result, with hold operation portion 26 operating stick 26a movement correspondingly, movable handle part 20 can be with pivot 30
Centered on, it is rotated to the direction arrow direction B.Especially, when movable handle part 20 is close to fixed handle part 22, movable handle part
20 front end 20a can enter between the third straight line portion 22b3 for being divided into two parts of fixed handle part 22.
On the in-plane of imaginary plane V, the front end 20a's of movable handle part 20 is shaped as than movably holding
The central portion 20b in portion 20 is thinner.Thus, it can be achieved that the lightweight of movable handle part 20, that is, achievable indirect live working handle
Hold the lightweight of tool 10.
The central portion 20b of movable handle part 20 be provided with recess on the orthogonal direction of imaginary plane V.It as a result, can be real
The now lightweight of movable handle part 20, that is, the lightweight of indirect live working holding tool 10 can be achieved.
Circular arc camber 200r as the bearing surface between the electric wire 84 of movable handle part 20 is orthogonal with imaginary plane V
Direction on be provided with multiple ridge W, when holding electric wire 84, above-mentioned ridge W can play anti-skidding effect to electric wire 84.Cause
This, ridge W extends on the axis direction of electric wire 84, and electric wire 84 thus can be made reliably to be held in handle part 12 without sliding
It is dynamic.
It holds operation portion 26 to be arranged near the base end part of insulating bar 14, and there is operating stick 26a, bearing metal
Component 26b, release lever 26c, operation rotation axis 26d and operating sheet 26e.Operating stick 26a is by operation rotation axis 26d pivot branch
It holds in bearing metal component 26b.It is pivotally attached to operating stick 26a to the same side operating sheet 26e outstanding auxiliary
Help the base end part of insulating bar 24.Therefore, when staff carries out holding the operation of operating stick 26a, using leverage,
Supplementary insulation operating stick 24 is pulled downwardly, and the movable handle part 20 of handle part 12 is grasped in a manner of closing to fixed handle part 22
Make.Therefore, indirect live working can make electric wire 84 reliably be held in handle part 12 without sliding with holding tool 10.
In addition, being equipped with and being assigned to operating stick 26a to open direction between bearing metal component 26b and operating stick 26a
The spring 28 of energy.Using spring 28, when staff does not operate operating stick 26a, operating stick 26a is in an open state, therewith phase
Companion, movable handle part 20 also remain the opening state isolated relative to fixed handle part 22.
Locking mechanism is provided on above-mentioned bearing metal component 26b, above-mentioned locking mechanism is in above patent document 2
The well-known structure being shown specifically carries out simple illustration below.Above-mentioned locking mechanism includes the one-way clutch of bearing shape
Device (not shown) uses (not shown) when being installed on the position of the fulcrum of lever of operating stick 26a;It operates and uses rotation axis 26d, it is right
Above-mentioned one-way clutch carries out pivot suspension;Multiple locking mechanisms (not shown) fix in arbitrary position, open aforesaid operations
With the rotation of rotation axis 26d.Though omitting in the example shown, above-mentioned locking mechanism includes locking gear, is fixed on operation rotation
Axis 26d;Locking pin, for gear locking will to be engaged;Spring is engaged, locking is sold towards locking gear and is energized;Release lever 26c,
Pin by that will engage pin above pushes away to release the locking of locking pin;Bar support shaft pivotally supports release lever 26c;
Locking releases handle, and release lever 26c is kept or opened for releasing position in locking;And handle support shaft, can be rotated
Mode support locking release handle.
In addition, being set to open position when mechanism will be engaged, and when opening locking mechanism, operation rotation axis 26d can be certainly
Such as rotation, the effect of one-way clutch is unrelated with the operation of operating stick 26a, and operating stick 26a is rotated freely, operating stick 26a's
Opening and closing operations are transmitted to supplementary insulation operating stick 24, and movable handle part 20 corresponds to the opening and closing operations of operating stick 26a and is opened and closed.Separately
On the one hand, in the case where that will engage mechanism and be set to locking position and locking mechanism effect, 26d is by card for operation rotation axis
Only, by the effect of one-way clutch, operating stick 26a only makes supplementary insulation operating stick 24 to pull down towards closing direction, i.e.
The mode stretched rotates, and operating stick 26a is infinitely locked at an arbitrary position.
Therefore, when staff operates operating stick 26a to closing direction, operating stick 26a stops at staff's closing
Direction on operation position.Meanwhile via supplementary insulation operating stick 24, movable handle part 20 is in the pass with operating stick 26a
It is in lock state on the corresponding position of closed position.At this point, regardless of as holding object electric wire 84 diameter size such as
What, be judged as held holding object to be suitable for the dynamics of operation at the time of, if staff from operating stick 26a decontrol
Hand then in the above-described state can directly be such that operating stick 26a locks.
Next, being based on Fig. 4, the use state of electric wire 84 is held with holding tool 10 to indirect live working of the invention
It is illustrated.Staff holds the base end part of insulating bar 14, and mobile indirect live working is whole with holding tool 10,
To make to be energized by spring 28 into the handle part 12 being in an open state close to the target position for the electric wire 84 to be held.If
The target position that portion 12 reaches electric wire 84 is held, then staff is in the side that the operating stick 26a direction for making to hold operation portion 26 is closed
Apply grip upwards.The circular arc camber 200r of movable handle part 20 is abutted with electric wire 84 as a result, by electric wire 84 gently by pressing to
The holding section C of fixed handle part 22.
In the case where electric wire 84 is minor diameter (diameter is 5mm or so), as shown in Figure 4 A, the front end of movable handle part 20
Portion 20a is deeply fixed between the third straight line portion 22b3 for being divided into two parts of handle part 22.At this point, electric wire 84 is in the second bearing surface
222b2 is the same as on the bending bisector of angle D between third bearing surface 222b3 or upper place and circular arc compared with bisector D
Curved surface 200r is abutted.Circular arc camber 200r near the central portion 20b of second bearing surface 222b2 and movable handle part 20 as a result,
As opposed relationship.As a result, near the holding section C of fixed handle part 22, electric wire 84 is by the second bearing surface 222b2 and can
It moves the powerful pressure of the circular arc camber 200r near the central portion 20b of handle part 20 and is reliably held.
In the case where electric wire 84 is major diameter (diameter is 30mm or so), as shown in Figure 4 B, before movable handle part 20
End 20a does not enter between the third straight line portion 22b3 of fixed handle part 22, but straight in the third from fixed handle part 22
Line portion 22b3 slightly away from position.At this point, electric wire 84 is between the second bearing surface 222b2 and third bearing surface 222b3
Bending bisector of angle D is abutted against compared to place more on the lower with circular arc camber 200r.Third bearing surface 222b3 and movable as a result,
Become opposed relationship between circular arc camber 200r near the central portion 20b of handle part 20.As a result, in the card of fixed handle part 22
Near conjunction portion C, electric wire 84 is by the circular arc camber near the central portion 20b of third bearing surface 222b3 and movable handle part 20
The powerful pressure of 200r and reliably held.
Then, in the case where the bending angle of the holding section C of fixed handle part 22 is small, the present invention can not play its effect
The case where fruit, is illustrated.It is curved between the second bearing surface 222b2 and third bearing surface 222b3 as fixed handle part 22
The angle of the holding section C of bent portions terrifically less than 105 degree~120 degree in the case where, can not be reliable by the electric wire 84 of major diameter
Ground is held between fixed handle part 22 and movable handle part 20.The reason is that the third bearing surface of fixed handle part 22
Not at 84 nothing of opposed relationship or electric wire between circular arc camber 200r near the central portion 20b of 222b3 and movable handle part 20
Method is taken between the second bearing surface 222b2 and third bearing surface 222b3 of fixed handle part 22, therefore can not apply to electric wire 84
The pressure of degree can be held.Such case may cause electric wire 84 and fall off from indirect live working holding tool 10.
In addition, the present invention can not play its in the case where the bending angle of the holding section C of fixed handle part 22 is big
The case where effect, is illustrated.Between the second bearing surface 222b2 and third bearing surface 222b3 as fixed handle part 22
It, can not can by the electric wire 84 of minor diameter in the case that the angle of the holding section C of bending part is terrifically greater than 105 degree~120 degree
It is held between fixed handle part 22 and movable handle part 20 by ground.The reason is that the second bearing surface of fixed handle part 22
Circular arc camber 200r near the central portion 20b of 222b2 and movable handle part 20 is not at opposed relationship, or movable handle part 20
Front end 20a and the root (engaging of Fig. 4 A and Fig. 4 B for being divided into two-part third straight line portion 22b3 of fixed handle part 22
Dotted portion above portion C) to cause movable handle part 20 to be unable to fully with fixation handle part 22 close for interference, therefore it can not be right
Electric wire 84 applies the pressure that can hold degree.
The present invention is not limited to the above-described embodiments, can be made various changes based on thought of the invention.Hereinafter, to this hair
Bright other embodiments are illustrated.In the above-described embodiments, portion 16 of keeping off the rain is set in the middle section of insulating bar 14, however
Keep off the rain portion 16 be for preventing because of rainfall caused by the structural element of creeping discharge or electric leakage.Therefore, in the exhausted of above-described embodiment
The structure that the portion of keeping off the rain 16 is not provided in edge operating stick 14 also same as the previously described embodimentsly, can obtain effect of the invention.
In addition, there is indirect live working shown in Fig. 5 and Fig. 6 A, Fig. 6 B as other embodiments of the invention
With holding tool 10.In this embodiment, the front end 20a of movable handle part 20 is than relative to the base for connecting movable handle part 20
The straight line L1 of portion 20d and central portion base end side 20c and the straight line L2 that is extended from central portion base end side 20c with right angle is more outward.
As a result, in the case where handle part 12 is in an open state, the third of the front end 20a of movable handle part 20 and fixed handle part 22
Leave greatly in the front end of straight line portion 22b3.Therefore, staff is easy to compare thick electric wire 84 and pulls to handle part 12.In the reality
It applies in example, as shown in Fig. 6 A and Fig. 6 B, the still thicker electric wire of either thinner electric wire (diameter is 5mm or so) is (straight
Diameter is 30mm or so), indirect live working holding tool 10 can all be held, therefore can obtain effect of the invention.
As described above, embodiments of the present invention carry out disclosure, however, the present invention is not limited thereto with above-mentioned record.
That is, in the case where not departing from the range of technical idea and purpose of the invention, to embodiments described above,
It can be made various changes for mechanical serial number, shape, material, quantity, position or configuration etc., and these are included in the present invention
In.
(explanation of appended drawing reference)
10: indirect live working holding tool;12: handle part;14: insulating bar;16: portion of keeping off the rain;
18: flange;20: movable handle part (opening and closing piece);20a: the front end of movable handle part;
20b: the central portion of movable handle part;20c: the central portion base end side of movable handle part;
20d: the base portion of movable handle part;200r: the circular arc camber of movable handle part;
L1: the base portion of movable handle part and the straight line of central portion base end side are connected;
L2: the straight line that orthogonal with L1 and central portion base end side from movable handle part extends;
22: fixed handle part (opening and closing piece);22a: the base portion of fixed handle part;
22b1: the first straight line of fixed handle part;22b2: the second straight line of fixed handle part;
22b3: the third straight line portion of fixed handle part;222b1: the first bearing surface of fixed handle part;
222b2: the second bearing surface of fixed handle part;222b3: the third bearing surface of fixed handle part;
C: the holding section of fixed handle part;
D: the bending bisector of angle between the first bearing surface and the second bearing surface of fixed handle part;
V: imaginary plane be (length direction of each straight line portion of axis direction and fixed handle part including insulating bar
Imaginary plane.It is identical as the imaginary plane of substantially arc-shaped or crescent shaped curve drawn including movable handle part.);
24: supplementary insulation operating stick;26: holding operation portion;26a: operating stick;26b: bearing metal component;
26c: release lever;26d: rotation axis is used in operation;26e: operating sheet;28: spring;30: pivot;
84: electric wire.
Claims (3)
1. a kind of indirect live working holding tool comprising:
The insulating bar of insulating properties has the length for keeping the safe distance of the safety between electric wire and human body or more;
And
The front end of above-mentioned insulating bar is arranged in handle part, has and utilizes the holding being set on same insulating bar
The operation of operation portion and two opening and closing pieces of on-off action,
In above-mentioned indirect live working in holding tool,
Above-mentioned two opening and closing piece of above-mentioned handle part includes:
Fixed handle part, front end are formed as the shape for being divided into two parts on the direction intersected with opening and closing direction;And
Movable handle part, front end are formed as two into above-mentioned fixed handle part in the closing motion of above-mentioned opening and closing piece
In the front end divided,
Above-mentioned movable handle part be formed with drawn in the plane of axis direction for including insulating bar circular arc, support with electric wire
The circular arc camber connect,
Above-mentioned fixed handle part includes on the plane same plane that the circular arc camber with movable handle part draws circular arc, in blunt
The holding section of the curved shape of the angle at angle, so that the electric wire that can hold major diameter can also hold the electric wire of path,
In the case where above-mentioned handle part is in close state, the above-mentioned circular arc camber of above-mentioned movable handle part with above-mentioned fixed
It holds and forms fan-shaped space between the holding section in portion.
2. indirect live working according to claim 1 holding tool, which is characterized in that above-mentioned fixed handle part is in width
Degree is provided with recess on direction.
3. indirect live working according to claim 1 holding tool, which is characterized in that above-mentioned movable handle part it is big
Central portion is caused to be provided with recess in the direction of the width.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-096099 | 2016-05-12 | ||
JP2016096099 | 2016-05-12 | ||
PCT/JP2017/017921 WO2017195868A1 (en) | 2016-05-12 | 2017-05-11 | Gripping tool for indirect live-wire work |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109155506A true CN109155506A (en) | 2019-01-04 |
Family
ID=57709003
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621421428.4U Active CN206516977U (en) | 2016-05-12 | 2016-12-21 | Indirect live working holding instrument |
CN201780028207.1A Pending CN109155506A (en) | 2016-05-12 | 2017-05-11 | Indirect live working holding tool |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621421428.4U Active CN206516977U (en) | 2016-05-12 | 2016-12-21 | Indirect live working holding instrument |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6791955B2 (en) |
KR (2) | KR20160004445U (en) |
CN (2) | CN206516977U (en) |
TW (1) | TWI734784B (en) |
WO (1) | WO2017195868A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110187150A (en) * | 2019-05-29 | 2019-08-30 | 知为力(成都)科技有限公司 | A kind of support rod and the measuring device with electricity with the support rod |
Families Citing this family (10)
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CN112352361B (en) * | 2018-05-02 | 2023-02-28 | 株式会社永木精机 | Holding tool for indirect live line work |
CN108565776A (en) * | 2018-05-15 | 2018-09-21 | 国家电网公司 | A kind of suspension clamp replacement tool |
TWI821395B (en) * | 2018-09-25 | 2023-11-11 | 日商永木精機股份有限公司 | Gripping device for indirect hot-line work |
CN109638717B (en) * | 2018-12-29 | 2021-02-05 | 国网山东省电力公司淄博供电公司 | Device for removing bird nest on telegraph pole |
KR101977011B1 (en) * | 2019-02-27 | 2019-05-10 | 대원전기 주식회사 | Indirect live wire taping method and Indirect live wires cutting method and indirect live wire stripper for Automatic opening and closing |
CN109917207B (en) * | 2019-03-29 | 2024-03-08 | 山东送变电工程有限公司 | High-altitude test wire clamp separating and combining device |
CN111641054B (en) * | 2020-05-27 | 2021-07-30 | 国网浙江诸暨市供电有限公司 | Grounding down lead convenient to disassemble and assemble and use method thereof |
KR102506253B1 (en) * | 2020-09-17 | 2023-03-07 | 천공전기(주) | Clamp head for smart stick and the smart stick equipped with it |
KR102579044B1 (en) * | 2021-06-23 | 2023-09-18 | 한국전력공사 | Indirect hot line working tool for exchanging shackle and shackle demolition method using thereof |
KR102641634B1 (en) * | 2021-08-02 | 2024-02-28 | 조덕승 | Hand grab stick with tension means |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201838937U (en) * | 2009-12-14 | 2011-05-18 | 江苏省电力公司泰州供电公司 | Insulating lifting rod used for installing puncture wire clip at ground potential |
JP2013009546A (en) * | 2011-06-27 | 2013-01-10 | Chugoku Electric Power Co Inc:The | Pre-crimping tool for indirect live-line processing |
JP2014079106A (en) * | 2012-10-11 | 2014-05-01 | Chugoku Electric Power Co Inc:The | Clip for indirect hot-line work |
JP2015208135A (en) * | 2014-04-22 | 2015-11-19 | 中国電力株式会社 | Tip tool for indirect hot line |
CN105576555A (en) * | 2016-02-04 | 2016-05-11 | 云南电网有限责任公司昆明供电局 | Special tool for power-cut or live replacement of 220kV spacer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06261432A (en) * | 1993-03-04 | 1994-09-16 | Nagaki Seiki:Kk | Wire striper and remote-controlled wire stripping method |
JP3435212B2 (en) | 1994-04-27 | 2003-08-11 | 中部電力株式会社 | Hot hand |
JP4185570B2 (en) * | 2005-07-01 | 2008-11-26 | 方仁 濱崎 | Tong |
JP2010178462A (en) * | 2009-01-28 | 2010-08-12 | Chugoku Electric Power Co Inc:The | Indirect live wire holding tool |
KR101017093B1 (en) * | 2009-07-28 | 2011-02-25 | 주식회사 평일 | A live front load breaker of an elbow connector |
-
2016
- 2016-12-06 KR KR2020160007078U patent/KR20160004445U/en not_active Application Discontinuation
- 2016-12-21 CN CN201621421428.4U patent/CN206516977U/en active Active
-
2017
- 2017-05-11 WO PCT/JP2017/017921 patent/WO2017195868A1/en active Application Filing
- 2017-05-11 CN CN201780028207.1A patent/CN109155506A/en active Pending
- 2017-05-11 TW TW106115585A patent/TWI734784B/en active
- 2017-05-11 KR KR1020187033089A patent/KR102334724B1/en active IP Right Grant
- 2017-05-11 JP JP2018517079A patent/JP6791955B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201838937U (en) * | 2009-12-14 | 2011-05-18 | 江苏省电力公司泰州供电公司 | Insulating lifting rod used for installing puncture wire clip at ground potential |
JP2013009546A (en) * | 2011-06-27 | 2013-01-10 | Chugoku Electric Power Co Inc:The | Pre-crimping tool for indirect live-line processing |
JP2014079106A (en) * | 2012-10-11 | 2014-05-01 | Chugoku Electric Power Co Inc:The | Clip for indirect hot-line work |
JP2015208135A (en) * | 2014-04-22 | 2015-11-19 | 中国電力株式会社 | Tip tool for indirect hot line |
CN105576555A (en) * | 2016-02-04 | 2016-05-11 | 云南电网有限责任公司昆明供电局 | Special tool for power-cut or live replacement of 220kV spacer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110187150A (en) * | 2019-05-29 | 2019-08-30 | 知为力(成都)科技有限公司 | A kind of support rod and the measuring device with electricity with the support rod |
Also Published As
Publication number | Publication date |
---|---|
KR20190006496A (en) | 2019-01-18 |
WO2017195868A1 (en) | 2017-11-16 |
TW201743525A (en) | 2017-12-16 |
KR20160004445U (en) | 2016-12-26 |
JP6791955B2 (en) | 2020-11-25 |
CN206516977U (en) | 2017-09-22 |
JPWO2017195868A1 (en) | 2019-03-14 |
KR102334724B1 (en) | 2021-12-02 |
TWI734784B (en) | 2021-08-01 |
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Application publication date: 20190104 |