JP2011125142A - Adapter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an adapter equipped with a reversal grip which opens in a direction opposite to the opening of a grip of a plier. <P>SOLUTION: The adapter 20 which is attached to a plier 1 equipped with a grip 2 having a pair of opening/closing arms 3 and 4, and an open/close operation portion 6 of the pair of arms 3 and 4 includes the reversal grip 35 consisting of a pair of slide members 21 and 30 which are fixed to the tips of both arms 3 and 4 of the grip 2 and slide relatively in response to opening and closing of both arms 3 and 4, and a pair of arms 27 and 34 which open in a direction opposite to the both arms 3 and 4 of the grip 2 and can be opened or closed following the relative movement of both slide members 21 and 30. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an adapter, and more particularly, to an adapter provided with an inverted gripping part that opens in the opposite direction to the direction of the opening of the gripping part of the Yatco.

  Conventionally, in indirect hot line work performed using indirect equipment, as shown in FIGS. 14 to 16, when the live wire portion of the overhead wire 40 is covered with the insulating sheet 41 and the seat clip 42 is attached to the insulating sheet 41 from above, Using the Yachco 1 as described in Patent Documents 1 and 2, the seat clip 42 is attached to the grip portion 2 of the Yatco 1, and the lever of the operation unit of the Yatco 1 is operated, whereby the sheet clip 42 is attached to the insulating sheet 41. It is attached.

  In such a work, in order to ensure the safety of the operator, in an aerial work vehicle or the like, the operator operates the lever of the operation unit of the YATCO 1 from below the overhead line 40 to install the seat attached to the grip unit 2. The clip 42 is attached to the insulating sheet 41.

  However, the YATCO 1 configured as described above can only adjust the angle of the grip portion 2 with respect to the operation portion within a range of 0 to 90 degrees, so that the work position is almost the same as the overhead line 40 as shown in FIG. It is difficult to ensure the safety of the operator because the seat clip 42 must be attached by raising the position to a horizontal position and operating the lever of the operation unit at that position. Also, depending on the height of the overhead wire 40, the work location, and the like, the work position cannot be raised, so it becomes difficult to attach the sheet clip 42 to the insulating sheet 41.

  In order to deal with the above problems, two people, an operator and an assistant, work, and as shown in FIG. 16, the assistant supports the insulating sheet 41 so that the orientation of the insulating sheet 41 is almost horizontal. In this state, it is conceivable that the operator operates the lever of the operation portion of the YATCO 1 from below the overhead wire 40 to attach the seat clip 42 attached to the grip portion 2 to the insulating sheet 41 from the horizontal direction.

  However, two people, an operator and an assistant, are required, an operation for correcting the direction of the insulating sheet 41, an operation for supporting the insulating sheet 41 in the corrected direction, and after the seat clip 42 is attached to the insulating sheet 41, the insulating sheet The operation | work etc. which return 41 to the original direction etc. are needed, and work efficiency becomes very bad.

JP 2007-49852 A JP 2009-50053 A

  The present invention has been made in view of the above-described conventional problems, and when applied to indirect hot-wire work performed using indirect equipment, the attachment of the sheet clip to the insulating sheet can be easily and efficiently performed. It is an object of the present invention to provide an adapter that can be carried out well and safely.

In order to solve the above problems, the present invention employs the following means.
That is, the present invention is an adapter that is used by being attached to a yatco that includes a gripping portion having a pair of arms that can be opened and closed, and an operation portion that opens and closes the pair of arms. A pair of slide members that are attached to the distal end and are slidable relative to each other according to the opening and closing of both arms, and open in the opposite direction to the both arms of the gripper, and follow the relative movement of the slide members. And a reversing gripping part comprising a pair of arms that can be opened and closed.

According to the adapter of the present invention, when the pair of arms of the gripping part is opened and closed by operating the operation part of the Yatco, the pair of slide members of the reverse gripping part slides relative to each other according to the opening and closing of both arms, Following the slide of both slide members, the pair of arms of the reverse gripping part opens and closes, and the object is gripped between both arms of the reverse gripping part.
In this case, since the pair of arms of the reversing gripping part open in the opposite direction to both arms of the gripping part of the yatco, for example, by operating the operating part of the yatco from below on the upper work object The object gripped by the reverse gripping part can be attached to the work target from above. Therefore, since such a work can be performed by one worker, the work efficiency can be improved and the safety of the worker can be ensured.

  In the present invention, the pair of slide members includes a guide rail attached to the tip of the one arm so as to extend in an opening / closing direction of the arms, and the both arms on the tip of the other arm. And a slide bar that is slidably guided by the guide rail.

  According to the adapter of the present invention, when both arms of the gripping part of the Yatco are opened and closed, the slide bar and the guide rail of the inverted gripping part slide relative to the opening and closing direction of both arms of the gripping part following the both arms. Then, following that, both arms of the reversing gripping part are opened and closed.

  Further, in the present invention, the pair of arms includes a first arm provided integrally with the guide rail, and a second arm provided integrally with the slide bar so as to face the first arm. It is good.

  According to the adapter of the present invention, when the guide rail and the slide bar slide relative to each other, the first arm and the second arm move in a direction approaching or separating from each other, and the first arm The object is gripped or released from the second arm.

  Further, in the present invention, the guide rail is rotatably connected to the tip of the one arm via a connecting pin, and the slide bar is rotatable to the tip of the other arm via a connecting pin. In this state, the slide bar may be slidably guided by the guide rail.

  According to the adapter of the present invention, when the guide rail and the slide bar are relatively slid following the opening and closing of both arms of the gripping portion of the Yatco, the slide bar is provided between the guide rail and the arm of the gripping portion. It is possible to prevent an excessive force from being applied between the arm and the arm of the gripping portion, and the guide rail and the slide bar can be smoothly slid relative to each other.

  Furthermore, in the present invention, a support member that maintains a predetermined angle between the one arm and the guide rail may be interposed between the guide rail and the one arm.

  According to the adapter of the present invention, the angle formed by one arm of the gripping portion of the Yatco and the guide rail of the reversing support portion can be maintained at a predetermined angle. The relative slide with respect to the slide bar is not hindered, and the guide rail and the slide bar can be smoothly slid relative to each other.

  Furthermore, in this invention, it is good also as attaching the adapter for tip tool attachment to the 1st arm and 2nd arm of the said inversion holding part.

  According to the adapter of the present invention, since various tip tools can be mounted on the reversing gripping portion, it can be applied to various operations.

  As described above, according to the adapter of the present invention, the orientation of the opening of the gripping portion of the adapter can be reversed with respect to the orientation of the opening of the gripping portion of the adapter. When a member is attached to the target object from above, the operator can attach the member gripped by the inverted gripping portion of the adapter to the target object from above by operating the Yatsuko from below the target object. Accordingly, work such as correcting the direction of the object is not necessary, so that the work of attaching the member to the object can be performed easily, efficiently, and safely.

It is the top view which showed one Embodiment of the adapter by this invention. It is a reverse view of FIG. It is the top view which showed the state which attached the adapter by this invention to the yatco, Comprising: It is explanatory drawing which showed the state which closed the inversion holding part. It is the top view which showed the state which attached the adapter by this invention to the Yatco, Comprising: It is explanatory drawing which showed the state which opened the inversion holding part. It is the top view which showed an example of Yatco. It is the top view which showed the state which attached the target object (seat clip) to the adapter. It is explanatory drawing which showed the state which attached the target object (sheet clip) attached to the adapter to the insulating sheet. It is explanatory drawing which showed the state which removed the adapter from the target object (sheet clip) attached to the insulating sheet. It is explanatory drawing which showed the relationship between the holding part of a Yatco and the inversion holding part of an adapter. It is explanatory drawing which showed the relationship between the holding part of a Yatco and the inversion holding part of an adapter. It is the top view which showed the modification of the adapter by this invention. It is the top view which showed the modification of the adapter by this invention. It is the top view which showed the modification of the adapter by this invention. It is explanatory drawing which showed the method of attaching the target object (sheet clip) by the conventional yat to an insulating sheet. It is explanatory drawing which showed the method of attaching the target object (sheet clip) by the conventional yat to an insulating sheet. It is explanatory drawing which showed the method of attaching the target object (sheet clip) by the conventional yat to an insulating sheet.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 4 show an embodiment of an adapter according to the present invention. The adapter 20 according to the present embodiment is applied to indirect hot wire work or the like performed using indirect equipment. For example, as shown in FIGS. 7 and 8, the live wire portion of the overhead wire 40 is covered with an insulating sheet 41, and the overhead wire is used. This is effective for attaching the sheet clip 42 as an object to the insulating sheet 41 using the Yatco 1 from above 40.

  For example, as shown in FIG. 5, the YATCO 1 includes a grip part 2 composed of a pair of C-shaped arms (first arm 3 and second arm 4) made of an aluminum alloy that can be freely opened and closed, and both arms of the grip part 2. 3 and 4, and an operation unit 6 that opens and closes the adapter 4. The adapter 20 of the present embodiment is detachably attached to both arms 3 and 4 of the grip 2.

  The operating portion 6 includes a pipe-shaped operating rod 7 made of an insulating material, a pipe-shaped connecting rod 8 made of an insulating material provided substantially parallel to the operating rod 7, and an L-shaped operating lever 9 made of aluminum alloy. The first arm 3 and the second arm 4 of the grip portion 2 are attached to the distal end 7b of the operation rod 7 via the attachment fitting 10.

  The mounting bracket 10 includes a base portion 11 attached to the distal end 7b of the operation rod 7 and an arm attachment portion 12 provided integrally with the distal end of the base portion 11, and the base end 3a of the first arm 3 is connected to the arm attachment portion 12. The base end 4a of the second arm 4 is engaged with the base end 3a of the first arm 3, and the base end 4a of the second arm is connected to the base end 3a of the first arm 3 via the connecting pin 5 in this state. It is pivotally connected.

  As shown by an imaginary line in FIG. 5, the first arm 3 is configured such that the mounting angle with respect to the arm mounting portion 12 can be adjusted, and by adjusting the mounting angle of the first arm 3 with respect to the arm mounting portion 12, The opening angle of the arm 3 with respect to the axis of the operation rod 7 can be adjusted.

  A lever mounting portion 14 is provided on the base end 7 a side of the operating rod 7, and the operating lever 9 is rotatably connected to the lever mounting portion 14 via a connecting pin 15, and the operating lever 9 is centered on the connecting pin 15. Is rotated in a direction approaching or separating from the operation rod 7 (the arrow direction in FIG. 5).

  The connecting rod 8 has a distal end 8b rotatably connected to the vicinity of the proximal end 4a of the second arm 4 via the coupling fitting 16, and a proximal end 8a to the distal end 9a of the operation lever 9 via the coupling pin 13. A direction in which the connecting rod 8 follows the operating lever 9 and moves along the operating rod 7 by moving the operating lever 9 in a direction approaching or separating from the operating rod 7 (vertical direction in FIG. 5). ) To move to.

  The connecting fitting 16 includes a cylindrical base portion 17 fixed to the tip 8b of the connecting rod 8, and an angle adjusting portion 18 provided integrally with the tip of the base portion 17. The angle adjusting portion 18 is a connecting pin (not shown). ) Is rotatably connected to the vicinity of the base end 4a of the second arm 4. The opening / closing angle of the second arm 4 with respect to the first arm 3 can be adjusted by adjusting the connecting position of the angle adjusting unit 18 with respect to the second arm 4.

  As shown in FIGS. 1 and 2, the adapter 20 of the present embodiment includes a pair of slide members 21 and 30 that can slide relative to each other, and a pair of arms that can be opened and closed following the slide members 21 and 30. 27 and 34, and both arms 27 and 34 constitute a reversing grip 35.

  One slide member 21 is a guide rail 21 including a pair of rail portions 23 and 23 provided so as to be parallel to each other, and a rectangular guide groove 22 provided between the rail portions 23 and 23. The strip plate-like slide bar 30 as the other slide member 30 is inserted into the guide groove 22 of the guide rail 21, and the slide bar 30 is slid by the pair of rail portions 23, 23 on both edges of the guide groove 22. Guided as possible.

  A first mounting portion 24 is provided on the proximal end 21 a side of the guide rail 21, a second mounting portion 31 is provided on the proximal end 30 a side of the slide bar 30, and one arm is provided on the distal end 21 b of the guide rail 21. A first arm 27 is integrally provided, and a second arm 34, which is the other arm, is integrally provided at the tip 30 b of the slide bar 30.

  The first mounting portion 24 includes a box-shaped main body 24 a, a fixing screw 25 that fixes the main body 24 a to the distal end 3 b of the first arm 3 of the YATCO 1, and the main body 24 a that is rotatable to the base end 21 a of the guide member 21. 3 and FIG. 4, the main body 24 a of the first mounting portion 24 is fixed to the distal end 3 b of the first arm 3 of the YATCO 1, so that the guide rail 21 becomes YATCO 1. It attaches to the front-end | tip 3b of the 1st arm 3 so that it may extend in the opening-and-closing direction of the holding part 2 (the 1st arm 3 and the 2nd arm 4) of the Yatco.

  A support member 28 having spring elasticity is attached to the main body 24a of the first attachment portion 24, and this support member 28 is interposed between the guide rail 21 and the main body 24a of the first attachment portion 24, whereby a guide is provided. The angle formed by the rail 21 and the first arm 3 of the Yatco 1 is maintained at a predetermined angle. For example, the guide rail 21 is supported by the support member 28 so that the guide rail 21 faces the horizontal direction when the operation rod 7 of the operation unit 6 of the YATCO 1 is oriented in the vertical direction.

  The second mounting portion 31 includes a box-shaped main body 31 a, a fixing screw 32 that fixes the main body 31 a to the distal end 4 b of the second arm 4 of the Yatco 1, and the main body 31 a that is rotatable to the base end 30 a of the slide bar 30. 3 and FIG. 4, the main body 31 a of the second mounting portion 31 is fixed to the tip 4 b of the second arm 4 of the YATCO 1, so that the slide bar 30 is connected to the YATCO 1. It attaches to the front-end | tip 4b of the 2nd arm 4 so that the holding | grip part 2 (1st arm 3 and 2nd arm 4) of the Yatco 1 may be extended.

  As shown in FIGS. 1 and 2, the first arm 27 has a rectangular plate shape, and is perpendicular to the longitudinal direction of the guide rail 21 at the tip 21 b of the guide rail 21, and It is provided integrally so as to protrude from the lower edge a predetermined length downward in FIGS.

  As shown in FIGS. 1 and 2, the second arm 34 has a rectangular plate shape, and is perpendicular to the longitudinal direction of the slide bar 30 at the tip 30 b of the slide bar 30. It is provided integrally so as to protrude from the lower edge a predetermined length downward in FIGS.

  The first arm 27 and the second arm 34 constitute an inversion gripping portion 35 that grips the object 42 from the direction opposite to the direction in which the gripping portion 2 of the YAT 1 grips the object 42. For example, as shown in FIGS. 3 and 4, when the gripping portion 2 of the YATCO 1 is directed upward, the reverse gripping portion 35 of the adapter 20 can be directed downward. The object 42 can be gripped from the above.

  And in order to hold | grip the sheet clip 42 which is a target object using the adapter 20 of this Embodiment comprised as mentioned above, as shown in FIG. 6, the operation lever 9 (FIG. 5), the second arm 4 of the grip portion 2 of the Yatco 1 is rotated to relatively move the first arm 3 and the second arm 4 in the closing direction.

  When the second arm 4 of the grip portion 2 is rotated and the first arm 3 and the second arm 4 are moved relative to each other in the closing direction, the slide bar 30 of the reverse grip portion 35 of the adapter 20 moves to the guide rail 21. And the first arm 27 and the second arm 34 of the reversal support portion 35 move relative to each other in a direction approaching each other, and the object is between the first arm 27 and the second arm 34. The sheet clip 42 is gripped.

  Accordingly, with the operation rod 7 of the operation unit 6 of the YAT 1 oriented in the vertical direction, the reversing grip 35 of the adapter 20 is directed downward, and the space between the first arm 27 and the second arm 34 of the reversing grip. 7 and 8, when the live wire portion of the overhead wire 40 is covered with an insulating sheet 41 and the sheet clip 42 is attached to the insulating sheet 41 from above, as shown in FIGS. The work can be performed by one worker without the need for an auxiliary worker, and the work efficiency can be greatly improved.

  Further, when the adapter 20 is attached to the grip portion 2 of the YATCO 1 and the sheet clip 42 is gripped between the first arm 27 and the second arm 34 of the reverse grip portion 35, as shown in FIG. When a load is applied to point A, point B, and point C and the first arm 27 and the second arm 34 are completely brought into close contact with each other, as shown in FIG. , Point B) are close to each other, and as shown by a broken line in FIG. 10, there is a possibility that the leading end side with a large load is lowered, but in this embodiment, the guide rail 21 and the slide bar 30 are horizontally placed by the support member 28 Since it is held, the slide bar 20 can be smoothly slid with respect to the guide rail 21.

  Further, unlike the prior art, it is not necessary to raise the work position to a level with the overhead line 40, and the insulating sheet 41 attached to the overhead line 40 by operating the operation lever 9 of the operation unit 6 of the YATCO 1 from below the overhead line 40. On the other hand, since the seat clip 42 can be attached from above, the safety of the operator can be ensured.

  In the above description, the sheet clip 42 is directly gripped between the first arm 27 and the second arm 34 of the reversing gripping portion 35. However, as shown in FIG. An existing seat scissor adapter 36 may be attached, and the seat clip 42 may be gripped between the seat scissor adapters 36, 36.

  Furthermore, as shown in FIG. 12, the existing radio pliers adapter 37 is attached to the first arm 27 and the second arm 34 of the reversing grip 35, and the operation unit of the YATCO 2 from below with respect to the object above the worker. 6 can be operated to perform various operations on the object from above using the radio pliers 37a which is a tip tool at the tip of the radio pliers adapter 37.

  Further, as shown in FIG. 13, an existing hanger cutter 38 is attached to the first arm 27 and the second arm 34 of the reversing gripping part 35, and the operation part 6 of the YATCO 1 from below with respect to the object above the worker. And various operations can be performed on the object from above using the cutter portion 38a which is a tip tool of the hanger cutter 38.

DESCRIPTION OF SYMBOLS 1 Yatco 2 Grasping part 3 1st arm 3a Base end 3b End 4 Second arm 4a Base end 4b End 5 Connection pin 6 Operation part 7 Operation rod 7a Base end 7b End 8 Connection rod 8a Base end 8b End 9 Operation lever 9a End DESCRIPTION OF SYMBOLS 10 Mounting bracket 11 Base 12 Arm mounting part 13 Connecting pin 14 Lever mounting part 15 Connecting pin 16 Connecting bracket 17 Base 18 Angle adjustment part 20 Adapter 21 Guide rail 21a Base end 21b Tip 22 Guide groove 23 Rail part 24 First mounting part 24a Main body 25 Fixing screw 26 Connecting pin 27 First arm 28 Support member 30 Slide bar 30a Base end 30b Tip 31 Second mounting portion 31a Main body 32 Fixing screw 33 Connecting pin 34 Second arm 35 Reverse gripping part 36 Sheet scissor adapter 37 Radio pliers Adapter 37a Tip tool ( Jiopenchi portion) 38 Hanger cutter 38a tip tool (cutter unit) 40 the catenary 41 insulating sheet 42 object (sheet clip)

Claims (6)

An adapter used by being attached to a Yatco provided with a gripping part having a pair of arms that can be opened and closed, and an operation part for opening and closing the pair of arms,
A pair of slide members that are attached to the tips of both arms of the gripping portion and that can slide relative to each other according to the opening and closing of the arms, and that open in the opposite direction to the arms of the gripping portion, and that both slides An adapter comprising a reversing gripping part comprising a pair of arms that can be opened and closed following the relative movement of a member.   The pair of slide members extend in the opening / closing direction of both arms at the tip of the other arm, and a guide rail attached to the tip of the one arm so as to extend in the opening / closing direction of the both arms. The adapter according to claim 1, further comprising: a slide bar that is slidably guided by the guide rail.   The pair of arms includes a first arm provided integrally with the guide rail, and a second arm provided integrally with the slide bar so as to face the first arm. 2. The adapter according to 2.   The guide rail is rotatably connected to the tip of the one arm via a connecting pin, and the slide bar is rotatably connected to the tip of the other arm via a connecting pin. The adapter according to claim 2 or 3, wherein the slide bar is slidably guided by the guide rail.   5. A support member for interposing an angle formed between the one arm and the guide rail at a predetermined angle is interposed between the guide rail and the one arm. The adapter according to item 1.   The adapter according to any one of claims 1 to 4, wherein an adapter for attaching a tip tool is attached to the first arm and the second arm of the inversion gripping portion.