WO2017208917A1 - Outil de préhension pour la construction indirecte de fil chaud - Google Patents

Outil de préhension pour la construction indirecte de fil chaud Download PDF

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Publication number
WO2017208917A1
WO2017208917A1 PCT/JP2017/019305 JP2017019305W WO2017208917A1 WO 2017208917 A1 WO2017208917 A1 WO 2017208917A1 JP 2017019305 W JP2017019305 W JP 2017019305W WO 2017208917 A1 WO2017208917 A1 WO 2017208917A1
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WO
WIPO (PCT)
Prior art keywords
gripping
movable
fixed
grip
contact
Prior art date
Application number
PCT/JP2017/019305
Other languages
English (en)
Japanese (ja)
Inventor
寛大 織川
Original Assignee
株式会社永木精機
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社永木精機 filed Critical 株式会社永木精機
Priority to CN201780028429.3A priority Critical patent/CN109075543B/zh
Priority to KR1020187033122A priority patent/KR102334725B1/ko
Priority to JP2018520828A priority patent/JP6791958B2/ja
Publication of WO2017208917A1 publication Critical patent/WO2017208917A1/fr

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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
    • 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
    • B25B9/02—Hand-held gripping tools other than those covered by group B25B7/00 without sliding or pivotal connections, e.g. tweezers, onepiece tongs
    • 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

Definitions

  • the present invention relates to a gripping tool for indirect hot wire construction.
  • the present invention relates to a gripping tool for indirect hot-wire work that can indirectly hot-work a high-voltage distribution line in an uninterruptible state, and relates to a gripping tool for indirect hot-wire work that can grip an electric wire or the like.
  • direct hot-wire method there are two types of hot-line work in which high-voltage distribution lines are distributed without power interruption: direct hot-wire method and indirect hot-wire method.
  • direct hot wire construction method workers wear protective equipment such as high-pressure rubber gloves and directly touch the high-voltage distribution lines that are energized to perform power distribution work.
  • indirect hot wire method is a method in which an operator uses a holding tool for indirect hot wire work to perform power distribution work without directly touching a high-voltage power distribution line that is energized.
  • indirect hot-line work gripping tools include an indirect hot-line work gripping tool called an insulating Yatco.
  • This insulating Yatco has a structure in which the tip tool attached to the tip cannot be replaced. That is, the insulating Yatco is one dedicated tool, and is a tool whose main application is to grip an electric wire. Insulating yarns are usually used for gripping relatively thick electric wires, but are not limited to electric wires and are also used for various objects to be grasped such as bird's nests and snakes. Furthermore, the insulating Yatco is used not only for the work around the gripper used for the hot wire work but also for the work of gripping relatively thin electric wires.
  • the present invention has been made to solve such problems, and in particular, grips a linear body, a plate-shaped body, or a cloth-shaped body having a diameter or thickness of 2 mm to 5 mm without being damaged.
  • An object of the present invention is to provide a gripping tool for indirect hot-line construction that makes it possible.
  • a gripping tool for indirect hot wire construction includes an insulating insulating operation rod having a length equal to or longer than a safe distance for maintaining safety between an electric wire and a human body, and an axis of the insulating operation rod.
  • a gripping part having a movable gripping part and a fixed gripping part, which are provided at the distal end of the direction and are moved toward and away by an operation of the gripping operation part provided on the insulating operation rod, and a gripping part connected to the tip end Auxiliary auxiliary insulation operating rod to be supported, and attached to the base end of the insulation operation rod in the vicinity of the base end of the auxiliary insulation operation rod.
  • a gripping tool for indirect hot-line construction comprising a gripping operation unit that reciprocally moves the gripping part to operate the gripping part, and a pivot for connecting the fixed gripping part and the movable gripping part. And the movable gripping portion on the surface including the base portion and the axial direction of the insulating operation rod.
  • An arm portion formed in a substantially arc shape convex to the side, and an abutting portion connected to the tip of the arm portion, and the fixed grip portion is connected to the tip of the insulating operation rod at its base portion, and is movable gripping
  • the part is pivotally connected to the tip of the auxiliary insulation operating rod at the base, and is pivotally connected to the upper part of the fixed gripping part via the pivot near the base end of the arm part.
  • the abutment part of the fixed gripping part and the movable gripping part are both parallel with a plurality of protrusions extending in the direction intersecting the axial direction of the insulating operation rod.
  • the height of the plurality of ridges of the fixed grip portion and the movable grip portion is substantially the same, and the ridge line of the fixed grip portion and the ridge line of the movable grip portion are When the abutting part of the fixed gripping part and the abutting part of the movable gripping part are closed, the opposite side of the base part
  • the apex of the ridge at the abutting portion of the fixed gripping portion and the apex of the ridge at the abutting portion of the movable gripping portion are configured to be separated from each other toward the base, When the contact portion of the movable gripping portion and the contact portion of the movable gripping portion grip the electric wire, the electric wire is gripped at an interval that is the same as the gripped wire diameter or close to the gripped wire diameter.
  • the holding tool for indirect hot wire construction according to claim 2 of the present invention is characterized in that the interval in the direction in which the ridges are juxtaposed at the contact portions of the fixed holding portion and the movable holding portion is 2 mm.
  • a gripping tool for indirect hot-wire work according to claim 3 of the present invention is formed so that the cross-sectional shape in the direction in which a plurality of ridges are arranged in parallel in each contact portion of the fixed gripping portion and the movable gripping portion is a sine waveform. It is characterized by being.
  • the plurality of ridges in each contact portion of the fixed gripping portion and the movable gripping portion abut each other on the ridgeline at the tip in the parallel direction. It is provided in such a position.
  • the gripping tool for indirect hot wire construction when the fixed gripping part and the movable gripping part grip a gripping object having a diameter or thickness of 2 mm to 5 mm,
  • the plane formed by the ridge lines of the plurality of protrusions at the contact portion is substantially parallel.
  • the gripping object receives only pressures that cancel each other out from each contact part, and does not receive a force that moves the object in the longitudinal direction of the contact part. Therefore, there is no possibility that the object to be grasped having a diameter or thickness of 2 mm to 5 mm falls off inside or outside the grasping portion.
  • the interval in the direction in which the ridges are juxtaposed at each contact portion of the fixed gripping portion and the movable gripping portion is 2 mm.
  • the gripping tool for indirect hot-line work does not damage the gripping object when the gripping object having a diameter or thickness of 2 mm to 5 mm is gripped between the contact portions. That is, when the interval is wider than 2 mm, the number of protrusions that come into contact with the object to be grasped is small, and the pressure from the protrusions acts on the object to be grasped only in a minute region.
  • the gripping object may be damaged.
  • the object to be grasped is an electric wire having a diameter of 2 mm and the interval is 3 mm
  • the protrusion that contacts the electric wire becomes one point on either abutting portion side, and the covering of the electric wire may be peeled off. Or there is a possibility of cutting the electric wire. Therefore, if the distance is 2 mm, even if the object to be grasped is an electric wire having a diameter of 2 mm, the ridges that come into contact with the electric wire are two points on either contact portion side, and there is no possibility of damaging the electric wire. .
  • the gripping tool for indirect hot-wire construction according to the invention of claim 3, the cross-sectional shape in the direction in which the plurality of protrusions are arranged in parallel in each contact portion of the fixed gripping portion and the movable gripping portion is a sharply sharp shape. Not a sine waveform. Thus, there is no possibility that the gripping object is damaged when each contact portion grips the gripping object having a diameter or thickness of 2 mm to 5 mm.
  • the tip of the ridge has a sharp shape
  • the pressure from the ridge acts on the object to be grasped only in a minute region. Therefore, pressure concentrates on a narrow area of the gripping object, and as a result, the gripping object may be damaged.
  • the tip of the ridge having a sharp shape may peel off the coating of the electric wire or cut the electric wire.
  • the cross-sectional shapes of the plurality of protrusions are sinusoidal, the pressure acting on the grasped object is dispersed, and there is no possibility that the grasped object is damaged.
  • the plurality of protrusions in each contact portion of the fixed gripping portion and the movable gripping portion abut each other on the ridgeline at the tip in the parallel direction. It is provided in various positions. Thus, there is no possibility that the gripping object is damaged when each contact portion grips the gripping object having a diameter or thickness of 2 mm to 5 mm. That is, when each contact part is provided at a position where the protrusions of the contact parts mesh with each other, the protrusions apply a shearing pressure to the grasped object.
  • the present invention has a particular object of reliably gripping a linear body, plate-shaped body, or cloth-shaped body having a diameter or thickness of 2 mm to 5 mm without damaging it.
  • a thin or thin object to be gripped may be easily sheared.
  • the ridges are provided at the contact portions at positions where the ridge lines abut each other in the parallel direction, the ridges do not apply a shearing force to the grasped object.
  • a linear body, plate-like body or cloth-like body having a diameter or thickness of 2 mm to 5 mm can be reliably gripped.
  • the gripping tool for indirect hot wire construction according to the invention of claim 2 it is possible to grip a linear body, plate-shaped body, or cloth-shaped body having a diameter or thickness of 2 mm to 5 mm without being damaged.
  • the gripping tool for indirect hot-wire work according to the invention of claim 3 it is possible to grip a linear body, plate-shaped body, or cloth-shaped body having a diameter or thickness of 2 mm to 5 mm without being damaged.
  • the gripping tool for indirect hot-wire work according to the invention of claim 4 it is possible to grip a linear body, plate-shaped body, or cloth-shaped body having a diameter or thickness of 2 mm to 5 mm without being damaged.
  • FIG. 5 is an enlarged front view solution view in the vicinity of the gripping portion showing a state where the gripping portion of the gripping tool for indirect hot wire construction is gripping a gripping object (an electric wire having a diameter of 2 mm to 5 mm).
  • the axial direction of the insulating operation rod 14 is defined as the vertical direction, and the direction away from the central axis of the insulating operation rod 14 is defined as the outward direction.
  • the following embodiment is an example embodying the present invention, and does not limit the technical scope of the present invention.
  • the indirect hot-line work gripping tool 10 shown in FIG. 1 is operated by a gripping part 12 that grips a gripping object 84, an insulating operation rod 14 having the gripping part 12 attached to the tip, and a gripping operation part 26.
  • the auxiliary insulation operating rod 24 that transmits to the gripping portion 12, the gripping operation portion 26 provided in the vicinity of the base end portion of the insulation operating rod 14, and the pivot 30.
  • the grip operation unit 26 operates the contact / separation operation of the grip unit 12.
  • the insulating operation rod 14 is a cylindrical rod-shaped member made of an insulating material, and has a length equal to or longer than a safe distance for keeping safety between the electric wire and the human body. Insulation operating rod 14 is provided with rain gutter 16 and eaves 18 in order to avoid creeping discharge and leakage. As described above, the grip portion 12 is attached to the distal end portion of the insulating operation rod 14, and the grip operation portion 26 is provided in the vicinity of the base end portion. The operator grasps the proximal end portion of the insulating operation rod 14 to position the grip portion 12 attached to the distal end portion at the work position, and performs the contact / separation operation of the grip portion 12 by the grip operation portion 26.
  • the auxiliary insulation operation rod 24 is made of the same material as the insulation operation rod 14, and is similarly provided with a rain drain 16 to prevent leakage and creeping discharge.
  • the distal end portion of the auxiliary insulating operation rod 24 is rotatably connected to a base portion 20d of the movable gripping portion 20 described later.
  • a base end portion of the auxiliary insulating operation rod 24 is rotatably connected to an operating piece 26e of a grip operation unit 26 described later.
  • the grip part 12 includes a movable grip part 20 and a fixed grip part 22.
  • the fixed gripping portion 22 has a hole 22e, a base portion 22d, a hole 22c, an arm portion 22b, and a contact portion 22a.
  • the fixed grip portion 22 is formed of a hard material, for example, a metal material.
  • the base 22 d of the fixed grip 22 is fitted and fixed to the tip of the insulating operation rod 14.
  • an arm portion 22b Connected to the base portion 22d of the fixed grip portion 22 is an arm portion 22b that is formed in a substantially arc shape that extends substantially upward and protrudes outward.
  • the arm portion 22b includes a first curved portion 22b1, a second curved portion 22b2, and a third curved portion 22b3.
  • the first curved portion 22b1 is connected substantially upward to the base portion 22d.
  • the second curved portion 22b2 is smoothly connected substantially upward and outward from the first curved portion 22b1.
  • the third curved portion 22b3 is smoothly connected to the second curved portion 22b2 substantially upward and inward.
  • the contact portion 22a that contacts the grasped object 84 is connected substantially upward from the third curved portion 22b3 of the arm portion 22b.
  • the abutment portion 22a is a ridge that functions so that the object to be grasped 84 does not slide, and a plurality of ridges W extending in the same direction as the axial direction of the pivot 30 described later are arranged in parallel from the base portion 22d side. It is provided to do.
  • the heights of the plurality of protrusions W of the contact portion 22a of the fixed grip portion 22 are substantially the same.
  • the fixed gripping portion 22 extends from the base portion 22d to the first curved portion 22b1, the second curved portion 22b2, the third curved portion 22b3, and the contact portion 22a of the arm portion 22b, and a direction orthogonal to the axial direction of the pivot 30.
  • the overall shape is formed so that the width gradually decreases.
  • a hole 22c for passing the pivot 30 is formed in the first curved portion 22b1 of the arm portion 22b.
  • a hole 22e for passing the arm portion 20b of the movable gripping portion to be described later continuously from the first curved portion 22b1 of the arm portion 22b to the middle of the second curved portion 22b2 and the third curved portion 22b3 is a pivot. It is formed in a direction orthogonal to 30 axes.
  • the movable gripping portion 20 includes a base portion 20d, a hole 20c, an arm portion 20b, and a contact portion 22a.
  • the movable grip 20 is formed of a hard material, for example, a metal material, like the fixed grip 22.
  • An arm portion 20b is connected from the base portion 20d of the movable gripping portion 20 and has an overall shape formed in a substantially arc shape extending substantially upward and protruding outward.
  • the arm portion 20b has a hole 20c through which the pivot 30 is passed in the vicinity of the base portion 20d.
  • the abutting portion 20 a that abuts on the grasped object 84 is connected substantially upward from the tip of the arm portion 20 b of the movable grasping portion 20.
  • the abutment portion 20a is a ridge that functions so that the gripping object 84 does not slide, and a plurality of ridges W extending in the same direction as the axial direction of the pivot 30 are arranged in parallel from the base portion 20d side. Is provided.
  • the height of the plurality of protrusions W of the contact portion 20a of the movable gripping portion 20 is substantially the same.
  • the movable gripping portion 20 gradually increases in width from the base portion 20d to the hole 20c in a direction orthogonal to the axial direction of the pivot 30, and gradually from the hole 20c to the arm portion 20b and the contact portion 20a.
  • the overall shape is formed so that the width becomes narrower.
  • the arm portion 20 b has a plurality of holes for reducing the weight of the movable gripping portion 20 in the axial direction of the pivot 30.
  • the arm portion 20b is formed narrow in the axial direction of the pivot 30 so that the movable grip portion 20 is passed through the hole 22e formed in the arm portion 22b of the fixed grip portion 22, so that the width is substantially the same as the width of the hole 22e. Has been.
  • the movable gripping portion 20 is rotatably connected to the distal end portion of the auxiliary insulating operation rod 24 at the base portion 20d.
  • the movable gripping portion 20 is rotatably connected to the first curved portion 22b1 of the arm portion 22b of the fixed gripping portion 22 through the pivot 30 in the hole 20c.
  • the movable gripping part 20 is rotatable in the direction of arrow B about the axis of the pivot 30 in accordance with the movement of the operation lever 26 a of the gripping operation part 26.
  • the pivot 30 connects the fixed grip portion 22 and the movable grip portion 20.
  • a hole 22c through which the pivot 30 is passed is formed in the first curved portion 22b1 of the arm portion 22b of the fixed grip portion 22.
  • a hole 20c for passing the pivot 30 is formed in the vicinity of the base portion 20d of the arm portion 20b of the movable gripping portion 20, a hole 20c for passing the pivot 30 is formed.
  • the pivot 30 is passed through the hole 22c and the hole 20c in a direction orthogonal to the axial direction of the insulating operation rod 14 and in a direction orthogonal to the direction in which the fixed gripping portion 22 and the movable gripping portion 20 come in contact with and away from each other. . Therefore, by passing the pivot 30 through the hole 22c of the fixed grip portion 22 and the hole 20c of the movable grip portion 20, the fixed grip portion 22 and the movable grip portion 20 are rotatably connected.
  • the movable gripper whose plane (hereinafter referred to as “plane 20 a 1”) formed by the ridgelines of the plurality of protrusions W in the contact portion 20 a of the movable gripper 20 is closest to the axis of the pivot 30.
  • plane 20 a 1 the movable gripper whose plane (hereinafter referred to as “plane 20 a 1”) formed by the ridgelines of the plurality of protrusions W in the contact portion 20 a of the movable gripper 20 is closest to the axis of the pivot 30.
  • Inclined approximately 3 degrees toward the contact portion 22a side of the opposing fixed grip portion 22 from the linear direction extending from the axis of the pivot 30 toward the ridge line of the protrusion W of the portion 20 ( ⁇ 1 in FIG. 2) For example, it is inclined 3.17 degrees.
  • the projection of the fixed grip 22 that the plane (hereinafter referred to as “plane 22a1”) formed by the ridgelines of the plurality of protrusions W in the contact portion 22a of the fixed grip 22 is closest to the axis of the pivot 30 is the same.
  • plane 22a1 the plane formed by the ridgelines of the plurality of protrusions W in the contact portion 22a of the fixed grip 22 is closest to the axis of the pivot 30 is the same.
  • the ridge line of the ridge W of the fixed grip part 22 and the ridge line of the ridge W of the movable grip part 20 face each other.
  • the apex of the ridge W at the contact portion 22a of the fixed grip portion 22 and the apex of the ridge W at the contact portion 20a of the movable grip portion 20 are the contact between the contact portion 22a of the fixed grip portion 22 and the movable grip portion 20.
  • the contact portion 22a of the fixed grip portion 22 and the contact portion 20a of the movable grip portion 20 are the same as the diameter of the wire 84 or at an interval close to the diameter of the wire 84 when the wire 84 is gripped. Grip.
  • the interval (h1, h2 in FIG. 3) in the direction in which the protrusions W of the contact portions 20a and 22a are arranged in parallel is 2 mm.
  • the gripping tool 10 for indirect hot wire construction does not cause damage to the gripping object 84 when the gripping object 84 having a diameter or thickness of 2 mm to 5 mm is gripped by the contact portions 20a and 22a. That is, when the interval is wider than 2 mm, the number of protrusions W that come into contact with the gripping object 84 is small, and the pressure from the protrusion W acts on the gripping object 84 only in a minute region.
  • the pressure concentrates on a narrow region of the gripping object 84, and as a result, the gripping object 84 may be damaged.
  • the gripping object 84 is an electric wire having a diameter of 2 mm and the interval is 3 mm
  • the protrusion W that comes into contact with the electric wire becomes one point on either abutting portion side, and the covering of the electric wire is peeled off.
  • the interval is narrower than 2 mm, foreign matter is likely to be clogged between the ridges W, and the function of preventing the sliding of the ridges W may not be performed.
  • the narrower the interval the greater the number of ridges W and the greater the difficulty of processing.
  • the cross-sectional shape of the plurality of protrusions W provided in the contact portions 20a and 22a in the parallel direction is not a sharp wave shape but a sinusoidal waveform. Is formed.
  • the gripping target object 84 is damaged when the gripping target object 84 having a diameter or thickness of 2 mm to 5 mm is gripped by the contact portions 20a and 22a. That is, when the tip of the ridge W has a sharp shape, the pressure from the ridge W acts on the grasped object 84 only in a minute region. Therefore, the pressure concentrates on a narrow region of the gripping object 84, and as a result, the gripping object 84 may be damaged.
  • the tip of the ridge having a sharp shape may peel off the electric wire or may cut the electric wire.
  • the plurality of protrusions W are formed so that the cross-sectional shape in the parallel direction is a sine waveform, the pressure acting on the gripping object 84 by the protrusions W is dispersed, and the gripping object 84 is damaged. No fear.
  • the plurality of ridges W provided on the contact portions 20a and 22a are provided at positions where the ridge lines at the tips thereof abut each other in the parallel direction. Thereby, there is no possibility that the gripping target object 84 is damaged when the gripping target object 84 having a diameter or thickness of 2 mm to 5 mm is gripped by the contact portions 20a and 22a.
  • the plurality of ridges W of the contact portions 20a and 22a are provided at positions where the ridge lines at the tips thereof are meshed in the parallel direction, the ridges W shear. Pressure is applied to the object 84 to be grasped.
  • the present invention is particularly intended to be able to grip a linear body, a plate body or a cloth body having a diameter or thickness of 2 mm to 5 mm.
  • the object 84 may be easily sheared.
  • the ridge W is provided at each of the contact portions 20a and 22a at a position where the ridge lines at the tips thereof abut each other in the parallel direction, the ridge W exerts a shearing force on the object to be grasped 84. Does not act on.
  • the grip operation part 26 is provided in the vicinity of the base end part of the insulating operation rod 14.
  • the grip operation unit 26 includes an operation lever 26a, a support fitting 26b, a release lever 26c, an operation rotation shaft 26d, and an operating piece 26e.
  • An operation lever 26a is pivotally supported on the support fitting 26b by an operation rotation shaft 26d.
  • the operating piece 26e that protrudes to the same side with respect to the operating lever 26a and the insulating operating rod 14 is rotatably connected to the base end portion of the auxiliary insulating operating rod 24.
  • a spring 28 is attached between the support fitting 26b and the operation lever 26a to bias the operation lever 26a in the opening direction.
  • the operation lever 26a is opened.
  • the movable gripper 20 is also held in an open state separated from the fixed gripper 22.
  • the support fitting 26b is provided with a lock mechanism, which is a well-known one shown in detail in the above-mentioned Patent Document 1, and will be briefly described below.
  • the lock mechanism includes a bearing-like one-way clutch (not shown) that uses a roller (not shown) attached to a lever fulcrum position of the operation lever 26a, and an operation rotation shaft 26d that pivotally supports the one-way clutch. And a plurality of system stop mechanisms (not shown) for fixing and releasing the rotation of the operation rotation shaft 26d at an arbitrary position.
  • this locking mechanism is fixed to the operation rotation shaft 26d, a locking pin that locks the locking gear, and the locking pin is biased toward the locking gear.
  • An unlocking knob that is held or released at a position and a knob support shaft that rotatably supports the unlocking knob are provided.
  • the operation rotation shaft 26d can freely rotate, and the operation of the one-way clutch becomes independent of the operation of the operation lever 26a.
  • the operation lever 26a freely rotates, and the opening / closing operation of the operation lever 26a is transmitted to the auxiliary insulating operation rod 24, and the movable gripper 20 is opened / closed according to the opening / closing operation of the operation lever 26a.
  • the operation rotating shaft 26d is locked and the operation lever 26a is closed by the action of the one-way clutch, that is, The operation lever 26a can be locked in an arbitrary position without any step by rotating as if the auxiliary insulation operation rod 24 is pulled downward.
  • the operation lever 26a stops at the position operated by the worker in the closing direction.
  • the movable gripper 20 is locked at a position corresponding to the closed position of the operation lever 26a via the auxiliary insulating operation rod 24.
  • the operation lever 26a is locked.
  • the rain stopper 16 is provided in the middle of the insulating operation rod 14, but the rain stopper 16 is a component for preventing creeping discharge and electric leakage due to rain. Therefore, even if it is the structure which does not provide the rain drain 16 in the insulation operating rod 14 in the said Example, the effect of this invention can be acquired similarly to the said Example.
  • 4 illustrates the case where the object to be grasped 84 is an electric wire having a diameter of 2 mm to 5 mm. However, even if the object to be grasped 84 is a plate or cloth having a thickness of 2 mm to 5 mm, There is no change in the point where the effect can be obtained.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Electric Cable Installation (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

L'invention porte sur un outil de préhension pour la construction indirecte de fil chaud, qui permet de saisir un corps linéaire, un corps plat ou un corps de type tissu ayant un diamètre ou une épaisseur de 2 à 5 mm, de manière fiable sans blessure. Cet outil de préhension 10 pour la construction indirecte de fil chaud est caractérisé en ce qu'il est pourvu d'une tige de fonctionnement isolante 14, d'une unité de préhension 12 comprenant une partie de préhension mobile 20 et une partie de préhension fixe 22, d'une tige de fonctionnement isolante auxiliaire 24, d'une unité de fonctionnement de préhension 26 et d'un pivot 30, la partie de préhension fixe 22 et la partie de préhension mobile 20 étant pourvues d'une partie de base 22d, 20d, d'une partie de bras 22b, 20b et d'une partie de contact 22a, 20a ; les deux parties de contact 22a, 20a sont conçues de manière à avoir de multiples crêtes W formées en leur sein et de telle sorte que, lorsqu'un fil électrique 84 est saisi par la partie de contact 22a de la partie de préhension fixe 22 et la partie de contact 20a de la partie de préhension mobile 20, lesdites parties de contact 22a, 20a saisissent le fil électrique 84, ce qui laisse un intervalle qui est le même que le diamètre du fil électrique 84 saisi ou proche du diamètre du fil électrique 84 saisi.
PCT/JP2017/019305 2016-05-30 2017-05-24 Outil de préhension pour la construction indirecte de fil chaud WO2017208917A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780028429.3A CN109075543B (zh) 2016-05-30 2017-05-24 间接带电作业用把持工具
KR1020187033122A KR102334725B1 (ko) 2016-05-30 2017-05-24 간접 활선 공사용 파지 공구
JP2018520828A JP6791958B2 (ja) 2016-05-30 2017-05-24 間接活線工事用把持工具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016107839 2016-05-30
JP2016-107839 2016-05-30

Publications (1)

Publication Number Publication Date
WO2017208917A1 true WO2017208917A1 (fr) 2017-12-07

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JP (1) JP6791958B2 (fr)
KR (2) KR20160004465U (fr)
CN (2) CN206922316U (fr)
TW (1) TWI729140B (fr)
WO (1) WO2017208917A1 (fr)

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JP6984008B2 (ja) * 2018-05-02 2021-12-17 株式会社永木精機 間接活線工事用把持工具
CN108565776A (zh) * 2018-05-15 2018-09-21 国家电网公司 一种悬垂线夹更换工具
CN110601067A (zh) * 2018-06-13 2019-12-20 国网辽宁省电力有限公司营口供电公司 多功能鸟巢清除杆
TWI821395B (zh) * 2018-09-25 2023-11-11 日商永木精機股份有限公司 間接活線工事用把持工具
KR102022807B1 (ko) * 2018-10-26 2019-09-18 대원전기 주식회사 테이핑기 탈착형 간접활선작업용 자동개폐 피박기 및 이를 이용한 간접활선 전선 피박공법 및 간접활선 전선 테이핑공법
CN109366379A (zh) * 2018-11-28 2019-02-22 湖南国盛石墨科技有限公司 一种带自锁装置的可调式石墨坩埚夹具
KR102112471B1 (ko) * 2018-11-30 2020-05-19 한국전력공사 활선 작업 방법
JP7197224B2 (ja) * 2019-06-28 2022-12-27 株式会社永木精機 把持工具、および、把持工具の使用方法
KR20210049528A (ko) 2019-10-25 2021-05-06 한국전력공사 간접 활선용 기별점검 장치, 간접 활선용 기별점검 시스템 및 그 구동방법
CN111702786B (zh) * 2020-08-20 2020-11-10 天津滨电电力工程有限公司 一种带电作业机器人专用组装式引线支架
CN112140022B (zh) * 2020-09-16 2022-05-03 郑嘉 一种快速锁解式机械茶夹
KR102579044B1 (ko) * 2021-06-23 2023-09-18 한국전력공사 쇄클 교체용 간접 활선 공구 및 이를 이용한 쇄클 철거 공법
KR102552359B1 (ko) * 2022-12-01 2023-07-06 대원전기 주식회사 간접 활선작업용 다단 연장형 다기능 절연 로터스틱
TWI817880B (zh) * 2022-12-29 2023-10-01 興富康工業有限公司 拆卸工具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07298436A (ja) * 1994-04-27 1995-11-10 Chubu Electric Power Co Inc ホットハンド
JP2007007293A (ja) * 2005-07-01 2007-01-18 Katahito Hamazaki トング
JP2010178462A (ja) * 2009-01-28 2010-08-12 Chugoku Electric Power Co Inc:The 間接活線把持工具
JP2015177692A (ja) * 2014-03-17 2015-10-05 中国電力株式会社 間接活線工事用アダプタ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203228133U (zh) * 2013-03-11 2013-10-09 高宁宁 一种自锁性能好的夹具
TWM482890U (zh) * 2014-03-26 2014-07-21 Run-Ying Hu 電動絕緣肘型端頭操作棒
CN204947451U (zh) * 2015-05-21 2016-01-06 国家电网公司 一种新型便携式鸟窝清除装置
CN204967144U (zh) * 2015-10-13 2016-01-13 国网浙江省电力公司湖州供电公司 一种卡线器远程推拉装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07298436A (ja) * 1994-04-27 1995-11-10 Chubu Electric Power Co Inc ホットハンド
JP2007007293A (ja) * 2005-07-01 2007-01-18 Katahito Hamazaki トング
JP2010178462A (ja) * 2009-01-28 2010-08-12 Chugoku Electric Power Co Inc:The 間接活線把持工具
JP2015177692A (ja) * 2014-03-17 2015-10-05 中国電力株式会社 間接活線工事用アダプタ

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TWI729140B (zh) 2021-06-01
CN109075543B (zh) 2022-05-03
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