JP5890046B1 - Insulation operation rod - Google Patents

Abstract

An object of the present invention is to perform work in a non-linear manner at the same place in order to shorten the work time and improve the work efficiency of an operator in indirect hot-line work using an insulating operation rod, It is an object of the present invention to provide an insulating operation rod that simplifies the operation of rotating the insulating operation rod and also simplifies the operation of rotating the periphery of the overhead wire of the overhead wire stripping device. A common operation rod 1A is connected to a distal end side such as an attachment body 3 and a lock nut 4, a proximal end side such as a joint fitting 5, and a distal end side and a proximal end side. The rod-shaped part 2 is configured. The rod-like portion 2 has a shape curved in an arc shape from the distal end side portion toward the proximal end side portion, and the dimension L1 of the most curved portion is a straight line X1 connecting the distal end side portion and the proximal end side portion. On the other hand, they are separated by at least twice the diameter of the rod-like portion 2. [Selection] Figure 1

Description

  The present invention relates to a form of an insulating operation rod used in an indirect hot line work in which a worker works remotely in a live line state.

  For example, when the blade body of the blade holder of the gripping part is moved closer to the overhead line in a state where the holding part of the gripping part is held as an indirect live-line operation for operating the overhead wire stripping device, for example, in Patent Document 1 As shown in the figure, attach a bind hammer to the tip of the common operation rod, which is a type of insulated operation rod, and insert the hook-shaped claw portion of the bind hammer into the eye handle of the overhead wire stripping device. The operation of turning the bolt connected to the is performed.

  Further, for example, when only the covering of the overhead wire is stripped off as an indirect hot wire operation for operating the overhead wire stripping device, it is attached to the tip side portion of the common operation rod as shown in, for example, Patent Document 1 and the like. The operation of rotating the overhead wire covering stripping device around the overhead wire is performed by inserting the claw portion of the binding striker into the operation hole of the operation arm.

  Then, as shown in the common operation rod of FIG. 4 of Patent Document 1, the insulating operation rod is configured in a straight line from the distal end side portion having the attachment main body and the like to the proximal end side portion having the joint fitting and the like. It is common.

JP 2014-176144 A

  However, if the insulation operating rod is linear from the tip side to the base end side, the operation of the insulation operation rod will also be linear, and if the insulation operation rod is pushed or pushed linearly along its axis, insulation will occur. The tip of the operating rod will be separated from the object of the indirect hot wire work such as an overhead wire.

  In addition, if the insulation operating rod is linear from the distal end side to the proximal end side, it will be linear from the object of indirect hot-line work to the position of the worker, and the workable range using the insulation operating rod will also be Limited to the front position as seen from the side. For this reason, when working in a range other than the front as viewed from the worker side, it is necessary to change the position of the worker. Therefore, when a worker works on a work platform of an aerial work vehicle, it is necessary to move the work platform of the work vehicle at a high altitude even in a series of operations.

  In particular, if the common operation rod to which the bind hammer is attached is straight from the distal end side to the proximal end side, the handle portion of the common operation rod that the operator grips with both hands is also linear. In order to rotate the operator, the operator needs to change his hand many times.

And even when the overhead wire stripping device is rotated around the overhead wire with the claw portion of the bind hammer inserted in the operation hole of the operation arm, the overhead wire sheath stripper is shared so that it rotates above the overhead wire. In order to move the tip of the operation rod upward, it is necessary to lift the entire common operation rod.
Also, when rotating the overhead wire stripping device around the overhead wire to the side of the overhead wire (the opposite side of the operator with the overhead wire), push the front end of the common operation rod forward while lifting the common operation rod There is a need.
Furthermore, when rotating the overhead wire stripping device located on the opposite side of the overhead wire around the overhead wire, if the binding striker at the tip of the common operation rod does not reach the overhead wire sheathing stripper, It becomes necessary to approach the overhead line.
For this reason, the work of stripping the overhead wire by the overhead wire stripper is complicated, and there is a risk that an electric shock or the like may occur due to the approach of the worker to the live wire.

  Therefore, the present invention can perform work in a non-linear manner at the same place in order to shorten the work time and improve the work efficiency of the worker in the indirect hot-line work using the insulating operation rod. It is an object of the present invention to provide an insulating operation rod that simplifies the operation of rotating the operation rod and also simplifies the operation of rotating the overhead wire covering stripper around the overhead wire.

  The insulating operation rod according to the present invention includes a distal end side portion that is an object side of an indirect hot-line operation, a proximal end side portion that is a side gripped by an operator, the distal end side portion and the proximal end side portion. The bar-shaped portion is connected to one connecting rod-shaped portion, and the rod-shaped portion is curved in an arc shape from the distal end side portion to the proximal end side portion ( Claim 1). When the insulating operation rod is a common operation rod, the rod-shaped portion, the attachment main body disposed on the distal end side of the rod-shaped portion as the distal end side portion, the lock nut, and the base of the rod-shaped portion as the proximal end side portion. And the rod-shaped portion is curved in an arc shape from the side opposite to the attachment body of the lock nut toward the joint bracket. 2). The rod-shaped portion is characterized in that a portion farthest from a straight line connecting the distal end side portion and the proximal end side portion is separated by at least twice the diameter of the rod-shaped portion. (Claim 3). As the insulating operation rod, for example, a stray link tong or the like can be considered in addition to the common operation rod. Further, as shown in claim 2, the tip side portion can correspond to an adapter main body and a lock nut in a common operation rod, and can correspond to a gripping portion composed of a fixed gripping portion and a movable gripping portion in a stray link tong, for example. The base end side portion corresponds to, for example, a joint fitting in a common operation rod or a stray link tong.

  As a result, when the insulation operation rod is pushed or pushed, even if there is an obstacle such as an overhead wire, the tip side of the insulation operation rod turns around to the side of the obstacle such as the overhead wire, so the object of the indirect hot wire operation Even if there is an obstacle on the straight line connecting the operator and the worker, the tip side of the insulating operation rod can be directed to the object of the indirect hot-line operation by pushing or pushing the insulation operation rod.

  In addition, in the state where the distal end side portion of the insulating operation rod is suspended from the indirect hot wire tool, one hand has the limit collar side among the grippable portions on the proximal end side portion side of the insulating operation rod, and the other About the limit collar side of the grippable parts on the base end side part side of the insulation operation rod with the hand held on the side opposite to the limit collars among the parts that can be gripped on the base end side part side of the insulation operation rod by hand By rotating with one hand so as to draw a circle with the straight line connecting the distal end side portion and the proximal end side portion as a rotation axis, it is possible to smoothly rotate the distal end side portion of the insulating operation rod and thus the indirect live tool. Is possible.

Furthermore, when the tip side is connected to or hooked to an indirect live tool that is rotatable around the overhead wire, the tip side can be attached to the overhead wire only by pushing the common operation bar curved upward. Since it moves while drawing a circle as the center, it is possible to smoothly and with a small force the transition from the tip side of the insulating operation rod and thus the overhead wire of the indirect live tool to the side of the overhead wire.
Next, in a state where the tip side portion is connected to or hooked to the indirect live tool that is rotatable about the overhead wire, the tip side portion can go over the overhead wire to the side facing the overhead wire. For this reason, when the common operating rod that is curved upward is further pushed in, a circular movement about the overhead wire causes a downward force on the distal end side portion of the insulating operating rod and the indirect live tool.
Then, when reconnecting or hooking the tip side portion to the indirect live tool that is rotatable about the overhead wire, the common operation rod is inverted in a downward curved state, thereby insulating the operation rod. Since the front end side portion can be picked up from the lower side of the overhead wire to the side of the overhead wire, the operation of pulling the indirect live tool to the worker side can be easily performed. Accordingly, it becomes unnecessary for the operator to approach the overhead line side.

  In addition, since it is no longer linear from the object of the indirect hot-line work to the position of the worker, the workable range using the insulating operation rod is not limited to the front position seen from the worker side, It is not necessary to change the position of the worker.

  As described above, according to the insulating operating rod according to the present invention, when the insulating operating rod is pushed or pushed, the tip side portion of the insulating operating rod can be turned around to the side facing the obstacle such as an overhead wire, Even if there is an obstacle on the straight line connecting the object of the indirect live work and the worker, the work of pushing or pulling the object of the indirect live work can be performed efficiently.

  Further, according to the insulating operating rod according to the present invention, the limit of the parts that can be gripped on the proximal end side portion side of the insulating operating rod with one hand in a state where the distal end side portion is suspended from the indirect hot wire tool. Hold the collar side and grip the part on the base end side of the insulation operating rod with the other hand holding the side opposite to the limit collar among the parts that can be gripped on the base end side of the insulation operating stick. Rotate the tip side of the insulation control rod and the indirect hot tool smoothly by rotating it so as to draw a circle with the straight line connecting the tip side and the base end side as the rotation axis for the limit collar side of the part. It is possible to make it. For this reason, it is not necessary to change the handle even when the common operation rod is rotated in order to move the blade body of the blade holder of the overhead wire stripping device closer to the overhead wire on which the holding part is hung. Fatigue can be reduced.

Furthermore, in the operation of the insulating operation rod according to the present invention, the common operation rod curved upward is used in a state where the tip side portion is connected or hooked to the indirect live tool that is rotatable around the overhead wire. By pushing only, the tip side moves in a circle around the overhead wire, so that the transition from the tip side of the insulation operation rod and the overhead wire of the indirect live tool to the side facing the overhead wire is smoothly and with little force. Can be done.
In the next operation of the insulating operation rod according to the present invention, the tip side portion exceeds the overhead wire in a state where the tip side portion is connected to or hooked to the indirect live tool that is rotatable about the overhead wire. Since it is possible to wrap around the overhead wire, if the shared operation rod that is curved upward is further pushed in, the tip side of the insulation operation rod and the indirect live tool will be lowered by circular motion around the overhead wire. The force toward the can work.
As a further operation of the insulation operation rod according to the present invention, when the tip side is reconnected or hooked back to the indirect live tool that is rotatable around the overhead wire, the common operation rod is moved downward. By reversing to the curved state, the tip side of the insulation operating rod can be picked up from the lower side of the overhead line to the side of the overhead line. Can do. Accordingly, it is possible to eliminate the need for the operator to approach the overhead line side.
For this reason, an overhead wire stripper is used as an indirect live wire tool, and when the overhead wire stripper is rotated using a bind hammer mounted on an insulating operation rod, only the overhead wire sheath is stripped. It is possible to carry out smoothly and in a short time.

  Furthermore, according to the insulated operating rod according to the present invention, it is not necessary to be linear from the object of the indirect hot line work to the position of the worker, so the workable range using the insulated operating rod is also from the operator side. The position is not limited to the front position seen, and it is possible to eliminate the need to change the position of the worker during the work.

FIG. 1 (a) is an explanatory view showing the entire configuration of a common operation rod as an example of an insulating operation rod according to the present invention, and FIG. 1 (b) is a tip tool attached to the tip side portion of the common operation rod. It is the enlarged view which showed the bind hammer as an example. FIG. 2 is an explanatory diagram showing an overall configuration in a state in which the bind hammer of FIG. 1B is attached to the tip of the common operation rod of FIG. FIG. 3 is an explanatory view showing an operation of inserting the hook of the bind hammer into the eye handle of the overhead wire stripping device hooked on the overhead wire and turning the bolt connected to the eye handle. FIG. 4 shows a state in which the hook of the bind hammer is inserted into the operation hole of the operation arm of the overhead wire stripping device hooked on the overhead wire, and the overhead wire stripping device is attached to the overhead wire with the common operation rod curved upward. It is explanatory drawing which showed operation which rotates the circumference | surroundings. FIG. 5 is an explanatory diagram showing an operation of rotating the overhead wire stripping device around the overhead wire in a state where the common operation rod is bent downward. FIG. 6 is an explanatory view showing the overall configuration of a stray link tong as another example of the insulating operating rod according to the present invention.

  Hereinafter, an example of the present invention will be described with reference to the drawings.

  In FIG. 1, the configuration of a common operation rod 1A, which is a kind of insulating operation rod, and a bind punch 50, which is a kind of tip tool, are shown. FIG. 2 shows a configuration in which the bind driving device 50 is attached to the common operation rod 1A. In FIGS. 3 to 5, the common operation rod 1A to which the bind operation device 50 is attached is connected to the overhead wire stripping device 100. An example usage is shown.

  Among these, as shown in FIG. 1B in particular, the bind hammer 50 includes a joint fitting 51 that can be connected to the attachment main body 3 provided at the tip of the common operation rod 1A, a claw portion 52, and a claw claw. It has a rod-like portion 53 protruding sideways from the portion 52.

  The overhead wire stripping device 100 is also referred to as a Hagler, and includes a holding portion 101, a blade holder 102, a screw rod 103, and a base portion 104 as shown in FIGS. 4 and 5 in particular. ing. The holding portion 101 is formed with a recess that can contact the side surface of the overhead wire W such as an electric wire. The blade body holder 102 is close to the holding unit 101, and when the blade body holder 102 is closest to the holding unit 101, the blade body is bitten only into the covering of the overhead wire W that is in contact with the concave portion of the holding unit 101. Attached to the blade holder 102. The screw rod 103 extends in a direction away from the holding portion 101, an end portion on the holding portion 101 side is attached to the blade body holder 102, and the screw rod 103 rotates so that the blade body holder 102 is held by the holding portion 101. It can be moved in the direction of the distance. The base portion 104 is arranged on the side facing the concave portion with respect to the holding portion 101 and has a threaded insertion hole through which the screw rod 103 can be inserted. An eye handle 106 having a circular through hole 106 a is formed as a mechanism for rotating the screw rod 103 at the end opposite to the holding portion 101 of the screw rod 103. Further, the holding unit 101 is a mechanism for rotating the overhead wire covering stripper 100 around the overhead wire W, and an operation arm 107 is formed so as to project from the back side. An operation hole 107a which is a hole is formed. That is, the distal end of the operation arm 107 has a ring shape.

  As shown in FIG. 1, the common operation rod 1 </ b> A includes a rod-shaped portion 2, an attachment main body 3 disposed on the distal end side of the rod-shaped portion 2, a lock nut 4, and a joint disposed on the proximal end side of the rod-shaped portion 2. It has a metal fitting 5.

  The rod-shaped portion 2 has a draining collar 6 disposed on the attachment body 3 side, a limit collar 7 is formed on the joint metal fitting 5 side, and an operator grips the proximal end side of the rod-shaped portion 2 with respect to the limit collar 7. The handle 21 is formed.

  The attachment main body 3 can be connected to a joint fitting such as the joint fitting 51 of the bind hammer 50, and has a substantially cylindrical outer shape as shown in FIG. A portion 31 is provided. The movable protrusion 31 is attached to the attachment main body 3 so as to be able to advance and retreat along the axial direction of the attachment main body 3, and in a protruding direction from the attachment main body 3 by a spring (not shown) built in the attachment main body 3. It is energized. Further, the attachment main body 3 is provided with a pair of locking projections 32 and 32 on its peripheral surface. These locking projections 32, 32 have a cylindrical shape, and one locking projection 32 and the other locking projection 32 are attached at positions opposite to each other in the circumferential direction of the attachment body 3. Projecting outward in the radial direction of the main body 3. That is, one locking protrusion 32 and the other locking protrusion 32 protrude radially from a position that is 180 degrees out of phase.

  The lock nut 4 is disposed close to the joint metal fitting 5 side with respect to the attachment main body 3, and the attachment main body 3 and the joint metal fitting 51 of the bind hammer 50 are connected by rotating the lock nut 4 in a predetermined direction. It can be tightened firmly or loosened.

  On the other hand, as shown in FIG. 1, the rod-shaped portion 2 has a continuous shape without a joint portion or the like that can be bent in the middle, and for example, the front end side of the lock nut 4 or the like. It has a shape that is curved in an arc shape from the portion toward the base end side of the joint fitting 5 or the like. The most curved portion of the rod-like portion 2 is separated by a predetermined dimension L1 from a straight line X1 connecting the distal end side portion of the lock nut 4 and the like and the proximal end side portion of the joint fitting 5 and the like. That is, the most curved part of the rod-shaped part 2 corresponds to the part farthest from the straight line X1. This dimension L1 can be varied depending on the overall length, ease of use, strength, and other verifications of the common operation rod 1A, but at least twice the diameter of the rod-shaped portion 2 is desired, and this common operation rod In the case of the rod 1A, there is no problem even if the size is three times the diameter of the rod-like portion 2. In addition, as the diameter of the rod-shaped part 2, for example, the diameter of the part of the rod-shaped part 2 on the tip side of the draining collar 6, the diameter of the part between the draining collar 6 and the limit collar 7, or the handle 21 Or the like.

  When the bind hammer 50 is attached to the tip of the common operation rod 1A having the rod-shaped portion 2 having such a configuration, the tip of the claw portion 52 of the bind hammer 50 is attached as shown in FIG. The straight side X1 connecting the distal end side portion of the lock nut 4 and the like and the proximal end side portion of the joint fitting 5 and the like can be made substantially coincident. Thereby, when the common operation rod 1A is rotated with the straight line X1 as the rotation axis, the claw portion 52 of the bind hammer 50 is inserted, and the hooked object also has the straight line X1 as the rotation axis (the bind hammer 50 It is possible to rotate the claw portion 52 with the tip of the claw portion 52 as the rotation center.

  Next, as an example of use of the common operation rod 1A to which the bind driving device 50 is attached to the overhead wire stripping device 100, the blade holder 102 is set while the holding portion 101 is held by the recessed portion on the overhead wire W. An operation of moving the holding unit 101 closer to the holding unit 101 will be described with reference to FIG.

  First, the claw portion 52 of the bind hammer 50 is inserted into the through hole 106 a of the eye handle 106 of the overhead wire stripper 100. Next, for example, the right hand R has the limit collar 7 side of the handle portion 21 of the common operation rod 1A, and the left hand L has the joint fitting 5 side of the handle portion 21 of the common operation rod 1A. Then, with the left hand L as it is, as shown by the arrow in FIG. 3, the right hand R is circular with the straight line X1 connecting the distal end side portion of the lock nut 4 etc. and the proximal end side portion of the joint fitting 5 etc. as the rotation axis. Rotate to draw. The left hand L and the right hand R may have opposite parts. Thereby, in order to rotate the screw rod 103 of the overhead wire stripping device 100 and move the blade holder 102, the operator can use the common operation rod in rotating the common operation rod 1A to which the binding hammer 50 is attached. The common operation rod 1A can be smoothly rotated without changing the hand having the handle portion 1A. Therefore, worker fatigue can be suppressed.

  In addition, as an example of use of the common operation rod 1A to which the bind hitter 50 is attached to the overhead wire stripping device 100, the overhead wire W is the center of the overhead wire W while the holding portion 101 is held by the recess. An example of an operation for rotating the coating stripper 100 will be described with reference to FIGS. 4 and 5.

  First, with respect to the overhead wire stripping device 100 located below the overhead wire W, the claw portion 52 of the bind hammer 50 is moved to the operation arm 107 while the rod-like portion 2 of the common operation rod 1A is curved upward. 4A, the common operation rod 1A is operated, and the overhead wire stripping device 100 is lifted until the operation arm 107 faces above the overhead wire W, as indicated by the arrow in FIG. . At this time, even when the common operation rod 1A is pushed upward, the bind hammer 50 attached to the common operation rod 1A is in a position close to the overhead wire W, and rotates the overhead wire stripping device 100. It does not hinder the operation.

  Next, as shown by the arrow in FIG. 4B, the operating arm 107 of the overhead wire stripping device 100 is directed upward from the side facing the overhead wire W (the side opposite to the worker). The common operation stick 1A is operated so that it becomes. At this time, the bind hammer 50 attached to the common operation rod 1A is centered on the overhead wire W only by pushing the common operation rod 1A upward with the claw portion 52 inserted into the operation hole 107a of the operation arm 107. Therefore, the operation arm 107 of the overhead wire stripping device 100 can be smoothly moved from the state facing the overhead line W to the side facing the overhead line W with a smooth and small force.

  Further, as shown by the arrow in FIG. 4C, the operating arm 107 of the overhead wire stripping device 100 changes from the state facing the overhead line W toward the lower side to the lower side of the overhead line W. As described above, the common operation stick 1A is operated. At this time, in a state in which the claw portion 52 is inserted into the operation hole 107a of the operation arm 107, by further pushing the common operation rod 1A from the state of FIG. 4 (b), the bind hammer 50 attached to the common operation rod 1A. , The operating arm 107 moves downward with respect to the overhead wire covering stripper 100 on the side facing the overhead line W by a circular motion around the overhead line W. The force toward the can work.

  Then, as shown by the arrow in FIG. 5, the tip side portion of the common operation rod 1A is directed from the lower side of the line W by reversing the rod-like portion 2 of the common operation rod 1A in the direction curved downward. Can be picked up at the (opposite side of the worker). For this reason, even if the operation arm 107 of the overhead wire stripping device 100 is on the side facing the overhead wire W, the claw portion 52 of the bind hammer 50 is inserted into the operation hole 107a of the operation arm 107 and the overhead wire is peeled off to the worker side. The operation of pulling the container 100 can be easily performed.

  And although the common operation rod 1A has been shown as an example of the insulating operation rod, the present invention is not limited to the common operation rod 1A. For example, as shown in FIG. 6, the present invention is also applied to the stray link tongue 1B. The stray link tongue 1B to which the present invention is applied will be outlined with reference to FIG.

  The stray link tongue 1 </ b> B includes a rod-shaped portion 2, a gripping portion 8 disposed on the distal end side of the rod-shaped portion 2, and a joint fitting 5 disposed on the proximal end side of the rod-shaped portion 2.

  The rod-shaped portion 2 has a draining collar 6 disposed on the gripping portion 8 side, a limit collar 7 is formed on the joint fitting 5 side, and an operator grips the proximal end side of the rod-shaped portion 2 with respect to the limit collar 7. The handle 21 is formed.

  The grip portion 8 includes a fixed portion 9 and a movable portion 10. The fixing portion 9 includes a claw portion 9a having a claw claw 9b on the distal end side, and a connection portion 9c to which a base end side of the claw portion 9a is connected and a through-hole (not shown) threaded in the center is formed. I have. On the other hand, the movable part 10 is a movable body capable of gripping an electric wire or the like in cooperation with the rod-shaped screw shaft body 11 that is threaded so as to be engaged with the thread groove of the through hole of the connection part 9c. 12. The movable body 12 has a concave portion (not shown) on the surface facing the fixed portion 9, and the screw shaft body in a state where the concave portion is fitted in a linear portion extending from the claw 9 b of the fixed portion 9 to the proximal end side. 11 is attached to the tip. A part indicated by reference numeral 13 in FIG. 6B is a lock mechanism that locks the rotation of the rod-like portion 2. By setting it as said structure, the movable body 12 of the movable part 10 can be brought close to the fixed part 9 when the rod-shaped part 2 rotates.

  In this embodiment, the rod-like portion 2 of the stray link tongue 1B has a continuous shape without a joint portion or the like that can be bent in the middle as in the common operation rod 1A. The shape is curved in an arc shape from the distal end side to the proximal end side of the joint fitting 5 or the like. And in the most curved site | part of the rod-shaped part 2, it is separated about the predetermined dimension L2 with respect to the straight line X2 which connects distal end side parts, such as the holding part 8, etc., and proximal end side parts, such as the joint metal fitting 5. That is, the most curved part of the rod-shaped part 2 corresponds to the part farthest from the straight line X2. This dimension L2 can be varied depending on the overall length, ease of use, strength, and other verifications of the stray link tongue 1B, but at least twice the diameter of the rod-like portion 2 is desired. In addition, as the diameter of the rod-shaped part 2, for example, the diameter of the part of the rod-shaped part 2 on the tip side of the draining collar 6, the diameter of the part between the draining collar 6 and the limit collar 7, or the handle 21 Or the like.

  According to the stray link tong 1B having such a configuration, as shown in FIG. 6, the opening of the gripping portion 8 is a straight line connecting the distal end side portion of the lock nut 4 and the like and the proximal end side portion of the joint fitting 5 and the like. The opening end of the gripping portion 8 can be brought close to the straight line X2 while facing the X2 side.

  Next, although not shown, the following operations are possible for the stray link tongue 1B by having the function of rotating the handle 21 to rotate the screw rod 11. That is, for example, the right hand R has the limit collar 7 side of the handle portion 21 of the stray link tong 1B, and the left hand L has the joint bracket 5 side of the handle portion 21 of the stray link tong 1B, for example. Next, the left hand L is left as it is, and the right hand R is rotated so as to draw a circle with the straight line X2 connecting the distal end side portion of the gripping portion 8 and the like and the proximal end side portion of the joint fitting 5 and the like as a rotation axis.

  Thereby, in order to rotate the gripping part 8 in a state where the gripping part 8 grips the object, the worker does not change the hand holding the handle part 21 of the stray link tongue 1B when rotating the stray link tongue 1B. However, it is possible to smoothly rotate the stray link tongue 1B.

1A Common operation rod 1B Stray link tong 2 Bar-shaped part 3 Attachment body (tip side)
4 Lock nut (tip side)
5 Joint bracket (base end side)
8 Grip part (tip side)
X1 A straight line connecting the tip side of the lock nut and the base end side of the joint bracket, etc. X2 A straight line connecting the tip end side of the gripping part and the base end side of the joint bracket, etc. L1 Dimension of the most curved part L2 Dimension of the most curved part of the stray link tong

Claims (3)

A distal end side portion serving as an object side of indirect hot-line work, a proximal end side portion serving as a side to be gripped by an operator, and a single bar portion connecting the distal end side portion and the proximal end side portion; Comprising
The rod-shaped portion is an insulating operation rod characterized in that the rod-shaped portion is curved in an arc shape from the distal end side portion toward the proximal end side portion. The rod-shaped portion, an attachment main body and a lock nut disposed on the distal end side of the rod-shaped portion as the distal end side portion, and a joint metal fitting disposed on the proximal end side of the rod-shaped portion as the proximal end side portion. Configured
2. The insulating operation rod according to claim 1, wherein the rod-shaped portion has a shape that is curved in an arc shape from the opposite side of the lock nut to the attachment body toward the joint fitting.   The rod-like portion is characterized in that a portion farthest from a straight line connecting the distal end side portion and the proximal end side portion is separated by at least twice the diameter of the rod-like portion. The insulation operating rod according to claim 1 or 2.

Images