JP6465392B2 - Indirect hot wire tool tip tool - Google Patents

Description

  The present invention provides a tip tool for an indirect hot wire tool that is used by being attached to the tip of a pair of gripping portions of an indirect hot wire tool when, for example, a cable such as a power transmission line or a lead-in wire is remotely disconnected in distribution line construction. About.

  Generally, a tip tool for cutting a cable with an indirect hot wire tool is provided in distribution line construction. As the tip tool, for example, a tool having a pair of arms in which intersecting portions are rotatably connected is provided. A pair of blades that cut the object to be cut are provided on the distal ends of the pair of arms, and the base ends of the pair of arms can be attached to and detached from the distal ends of the pair of openable and closable gripping parts that the indirect hot wire tool has. A pair of connecting parts (see Patent Document 1).

  According to the tip tool having such a configuration, by closing the pair of gripping portions of the indirect live tool, the pair of blade portions approach each other and cut from both sides of the cable to cut the cable.

JP 2003-224910 A

  By the way, when the pair of blade objects cut inward toward each other at the cutting point of the cable, the cutting tool of the tip tool moves to the tip side of the pair of blade objects and cuts the cable. There is a problem that it may be difficult.

  Therefore, in view of the above problems, the present invention provides a tip tool for an indirect live tool that can be cut in a state of being securely held without escaping the object to be cut from the pair of blades in a cutting operation using the indirect live tool. The purpose is to provide.

A tip tool of an indirect hot wire tool according to the present invention is a pair of blade objects having blade portions facing each other, each having a pair of blade objects having a tip and a base end, and each having a tip and a base end. a holding member of a pair that, the pair of the holding member, indirect hot tool connecting each pair of connectable to open a pair of gripping portions comprising arranged corresponding to the pair of blades body The pair of blade objects has a blade portion formed at an edge facing the counterpart blade object, and the pair of sandwiching bodies are elastically deformable, and the distal end and the proximal end are aligned. A sandwiching portion composed of corrugated leaf springs in which unevenness is arranged in the direction, and the sandwiching portion of each sandwiching body is connected to the tip of the blade object at the position adjacent to the blade portion, and the base end is the blade object disposed opposite in a state of being connected to the proximal end, one of the tool body and one of the holding member It is coupled to one coupling member, the other of the tool body and the other holding member is characterized by being connected to the other connecting member.

  According to this structure, a pair of clamping body moves mutually toward an inner side with the movement to the closing direction of a pair of holding part of an indirect hot wire tool. By the further movement of the pair of gripping portions of the indirect live tool in the closing direction, the object to be cut is sandwiched between the pair of sandwiching bodies. Specifically, a pair of sandwiched bodies that sandwich the cutting object from both sides are in pressure contact with the cutting object, and are elastically deformed to closely contact each other. In connection with this, the clamping force from a pair of holding part of an indirect hot wire tool is transmitted with respect to a cutting target object via a pair of clamping body, and a cutting target object can be hold | gripped reliably.

In addition, as the pair of blade objects approaches the pair of gripping portions of the indirect live tool, the pair of blade objects move toward each other inward. When the pair of gripping portions of the indirect live tool further approaches, the cutting object is cut by the pair of blade objects. Specifically, the blade portions of the pair of blade objects are cut from both sides of the cutting target toward the center. At this time, since the object to be cut is sandwiched between the pair of holding bodies, even if force is applied to the object to be cut from the pair of gripping portions of the indirect live tool via the pair of blade objects, There is no escape to the tip side of the pair of blade objects. Therefore, the cutting object is reliably cut by the pair of blade objects.
Furthermore, the cutting object is clamped by the elastic deformation of the pair of leaf springs. Specifically, the sandwiched portions of the pair of leaf springs that sandwich the object to be cut from both sides are in pressure contact with the object to be cut, and are elastically deformed to closely contact each other. Thereby, a cutting | disconnection target object can be clamped reliably.

  As one aspect of the tip tool of the indirect hot wire tool according to the present invention, it is preferable that the pair of coupling bodies are coupled to the tip ends of the pair of blade objects and the pair of sandwiching bodies.

  According to this structure, the front-end | tip of a pair of blade object and the front-end | tip of a pair of clamping body are fixed to the front-end | tip of a pair of holding part of an indirect hot wire tool with a pair of connection body. Thereby, a pair of blade object and a pair of clamping body are arrange | positioned between a pair of holding parts. Therefore, the protrusion amount of the tip tool from the tip of the pair of gripping portions of the indirect hot tool can be reduced. Thereby, the contact with the peripheral apparatus of a cutting target object can be avoided. In addition, since the cutting object can be stored inside the pair of gripping portions of the indirect live tool, it becomes easier to transmit the pressing force from the pair of gripping portions of the indirect live tool to the cutting object, and cutting The object can be easily cut.

  As another aspect of the tip tool of the indirect hot wire tool according to the present invention, it is preferable that the base ends of the pair of blade objects are pivoted and the base ends of the pair of sandwiching bodies are pivoted.

  According to such a configuration, the pair of blade objects and the pair of holding bodies are opened and closed in accordance with the opening / closing operation of the pair of gripping portions of the indirect live tool.

  As another aspect of the tip tool of the indirect hot wire tool according to the present invention, it is preferable that the pair of sandwiching bodies are formed in a wave shape, and the concaves and convexes face each other.

  According to such a configuration, the object to be cut is clamped by the pair of opposed recesses of the pair of clamping bodies. Specifically, the object to be cut fits between the pair of recesses, and the inner surfaces of the pair of recesses are in pressure contact with the outer surface of the object to be cut. Accordingly, when the pair of gripping parts of the indirect live tool is operated in the closing direction, the force from the pair of gripping parts of the indirect live tool is transmitted to the cutting object via the pair of clamping bodies, It can be securely gripped.

  As described above, according to the present invention, in a cutting operation using an indirect hot wire tool, the object to be cut can be reliably cut without being released from the pair of blade portions.

FIG. 1 is a view showing a tip tool of an indirect hot wire tool according to an embodiment of the present invention. FIG. 2 is a side view of FIG. Drawing 3 is a figure showing the state where the tip tool of an indirect hot tool was attached to a pair of grasping parts of an indirect hot tool. FIG. 4 shows the cutting tool inserted between the pair of blade objects and between the pair of sandwiched bodies by opening the pair of blade objects and the pair of sandwiched bodies of the tip tool of the indirect live tool according to the embodiment. It is a figure which shows a state. FIG. 5 is a diagram illustrating a state in which the pair of blade objects and the pair of sandwiching bodies of the tip tool of the indirect hot-line tool according to the embodiment are closed to sandwich the object to be cut and are cut. FIG. 6 is a side view of FIG.

  A tip tool of an indirect hot wire tool according to an embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a case where a cable (electric wire) such as a power transmission line or a lead-in line is cut as an object to be cut will be described as an example.

  Prior to the description of the present embodiment, the configuration of an indirect hot wire tool (so-called insulating Yatco) 5 will be described with reference to FIG. The indirect hot wire tool 5 operates a support bar 50 for an operator to support, a pair of gripping parts 51 and 51 provided at the tip of the support bar 50, and the pair of gripping parts 51 and 51. And a transmission rod 54 that transmits the operation of the manipulation portion 52 to the pair of gripping portions 51, 51, and has a transmission rod 54 that is smaller in diameter than the support rod 50.

  As shown in FIGS. 1 to 3, the tip tool 1 of the indirect hot tool according to the present embodiment is a pair of blade objects 2 and 2 having blade portions 20 and 20 facing each other, each of which is a tip and a base end. And a pair of elastically deformable sandwiching bodies 3 and 3 each having a distal end and a proximal end, and a pair of blade objects 2 and 2 disposed corresponding to the pair of blade objects 2 and 2, respectively. The sandwiching bodies 3 and 3 and a pair of connecting bodies 4 and 4 that can be connected to a pair of openable and closable gripping parts 51 and 51 provided in the indirect hot wire tool 5 described later are provided.

  In this embodiment, a pair of blade objects 2 and 2 are arrange | positioned at one side of a pair of holding parts 51 and 51 of the indirect hot wire tool 5, and a pair of clamping bodies 3 and 3 are a pair of the indirect hot wire tool 5. Are disposed on the other side of the grip portions 51, 51. Therefore, the pair of blade objects 2, 2 and the pair of sandwiching bodies 3, 3 are arranged at an interval corresponding to the thickness of the pair of gripping portions 51, 51 of the indirect hot wire tool 5.

  The blade object 2 includes a blade portion 20 formed at an edge portion facing the counterpart blade object 2 and a convex portion 21 formed to protrude toward the counterpart blade object 2, and the cutting object C And a convex portion 21 that prevents the blade object 2 from escaping to the tip side.

  The sandwiching body 3 is a sandwiching portion 30 formed in a wave shape, the sandwiching portion 30 being arranged so that the irregularities thereof face each other, and a pair of support portions 31 formed at both ends of the sandwiching portion 30, 31 and a pair of support portions 31 and 31 for positioning the cutting object C between the blade portions 20 and 20 of the pair of blade objects 2 and 2.

  The coupling body 4 includes a cap-shaped attachment portion 40 having an opening into which the tip of the holding portion 51 of the indirect hot wire tool 5 can be inserted, and the holding portion 51 of the indirect hot wire tool 5 inserted from the opening of the attachment portion 40. And a fixing portion 41 for fixing the.

  Specifically, the opening of the attachment portion 40 is defined by a plurality of side wall portions 40 a of the attachment portion 40. In addition, a space through which the pair of second connecting shafts J2 penetrating the distal ends of the pair of blade objects 2 and 2 and the distal ends of the pair of sandwiching bodies 3 and 3 is formed on the back side of the mounting portion 40.

  The fixing portion 41 is provided so as to be able to advance and retract in a direction orthogonal to the insertion direction of the grip portion 51 of the indirect hot wire tool 5. Specifically, the side wall 40a opposite to the opposite side wall 40a is advanced from the outside to the inside, and is pressed against the grip 51 of the indirect hot wire tool 5.

  The base ends of the pair of blade objects 2 and 2 and the base ends of the pair of sandwiching bodies 3 and 3 are pivotally connected to each other by the first connecting shaft J1, and the tip ends of the pair of blade objects 2 and 2 and the pair The front ends of the sandwiching bodies 3 and 3 are pivotally connected by a pair of second connecting shafts J2 and J2.

  Specifically, the base ends of the pair of blade objects 2 and 2 and the base ends of the pair of sandwiching bodies 3 and 3 are the base end and the tip of the pair of gripping portions 51 and 51 of the indirect hot wire tool 5. In between, the base ends of the pair of blade objects 2 and 2 and the base ends of the pair of sandwiching bodies 3 and 3 are concentric and pivotally connected by a single first connecting shaft J1.

  In addition, the tip of one blade object 2 and the tip of one holding body 3 are connected to the tip of one blade object 2, the attachment portion 40 of one connecting body 4, and the first of the one holding body 3. The two connecting shafts J2 are rotatably connected.

  Further, the tip of the other blade object 2 and the tip of the other holding body 3 are the other of the other blade object 2 penetrating the tip of the other blade object 2, the attachment portion 40 of the other connecting body 4, and the tip of the other holding body 3. The two connecting shafts J2 are rotatably connected.

  Thus, the pair of blade objects 2, 2 and the pair of sandwiching bodies 3, 3 are arranged between the pair of gripping portions 51, 51 of the indirect hot wire tool 5 and the base of the pair of blade objects 2, 2. It is configured to be openable and closable with the end and the base end of the pair of sandwiching bodies 3 and 3 as rotation fulcrums. In addition, the pair of blade objects 2 and 2 and the pair of sandwiching bodies 3 and 3 are normally opened toward the tip and have a V shape.

  The first connecting shaft J1 and the second connecting shaft J2 have screw grooves for screwing nuts into both ends. Then, by screwing the nut N into the thread groove, the pair of blade objects 2 and 2 and the pair of sandwiching bodies 3 and 3 are integrated by the first connecting shaft J1 and the second connecting shaft J2.

  Next, how to use the tip tool of the indirect hot tool according to the present embodiment will be described with reference to FIGS.

  First, the operator opens the pair of gripping portions 51, 51 of the indirect hot wire tool 5 and attaches the tip tool 1 to the pair of gripping portions 51, 51.

  More specifically, the operator inserts the tip of one gripping portion 51 of the indirect hot wire tool 5 into the opening of the attachment portion 40 of the one connecting body 4, and the indirect hot wire tool 5 by the fixing portion 41. The one connecting body 4 is attached to the one gripping portion 51. Similarly, the tip of the other gripping portion 51 of the indirect hot wire tool 5 is inserted into the opening of the mounting portion 40 of the other connector 4, and the other gripping portion of the indirect hot wire tool 5 is fixed by the fixing portion 41. The other connector 4 is attached to 51.

  Thereby, a pair of blade objects 2 and 2 of tip tool 1 are arranged on one side of a pair of grasping parts 51 and 51 of indirect hot wire tool 5, and a pair of clamping bodies 3 and 3 are arranged on the other side. . Therefore, the pair of blade objects 2 and 2 and the pair of holding bodies 3 and 3 of the tip tool 1 are opened and closed in conjunction with the opening and closing of the pair of gripping portions 51 and 51 of the indirect hot wire tool 5.

  In addition, since the tip of the pair of blade objects 2 and 2 and the tip of the pair of sandwiching bodies 3 and 3 of the tip tool 1 are fixed to the tips of the pair of gripping portions 51 and 51 of the indirect hot wire tool 5, The amount of protrusion of the tip tool 1 from the tip of the pair of gripping portions 51, 51 of the line tool 5 can be reduced. Thereby, the contact with the apparatus (charging part) around the cutting target C can be avoided.

  Then, when cutting the cutting object C, the pair of blade objects 2 and 2 and the pair of holding bodies 3 and 3 are opened, and the tip tool 1 is approached in the vicinity of the cutting object C.

  Next, the operator inserts the cutting object C between the pair of sandwiched bodies 3, 3 in the opened state and between the pair of blade objects 2, 2, and sets the pair of sandwiched bodies 3, 3 in the opened state. The parts to be cut of the cutting object C are arranged inside and inside the pair of blade objects 2 and 2.

  In this state, the operator holds the cutting object C by the pair of sandwiching bodies 3 and 3 by operating the lever 53 of the indirect hot wire tool 5 in the closing direction of the pair of holding portions 51 and 51, The cutting object C can be cut by the pair of blade objects 2 and 2. That is, a gripping operation and a cutting operation on the cutting object C can be performed simultaneously by one worker.

  Specifically, the pair of holding bodies 3 and 3 in a separated state approach each other, and the cutting object C is fitted into the recesses of the pair of wave-shaped holding parts 30 and 30 on the outer surface of the cutting object C. The inner surfaces of the concave portions of the sandwiching portions 30 and 30 are in pressure contact with the outer surface of the cutting object C. Along with this, the clamping force from the pair of gripping portions 51, 51 of the indirect hot wire tool 5 is transmitted to the cutting object C via the pair of clamping bodies 3, 3, so that the cutting object C is surely connected. Grasped.

  At the same time, the pair of blade objects 2, 2 approach each other, the blade portions 20, 20 of the pair of blade objects 2, 2 are cut into the cutting object C, and the blades of the pair of blade objects 2, 2 When the parts 20 and 20 overlap, the cutting object C is cut by the pair of blade objects 2 and 2.

  As described above, according to the tip tool of the indirect live tool according to the present embodiment, the cutting object C is reliably released from the pair of blade parts 20 and 20 in the cutting work using the indirect live tool 5. It can cut | disconnect in the state clamped between.

  It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the gist of the present invention.

  For example, in the case of the above-described embodiment, the base ends of the pair of blade objects 2 and 2 and the base ends of the pair of sandwiching bodies 3 and 3 are the base ends and the tips of the pair of gripping portions 51 and 51 of the indirect hot wire tool 5. However, it may be connected to the base end portions (rotation fulcrums) of the pair of gripping portions 51, 51 of the indirect hot wire tool 5. In short, it is only necessary that the pair of blade objects 2 and 2 and the pair of sandwiching bodies 3 and 3 can be opened and closed as the pair of gripping portions 51 and 51 of the indirect hot wire tool 5 are opened and closed.

  Moreover, in the case of the said embodiment, while arrange | positioning a pair of clamping bodies 3 and 3 of the front-end tool 1 on the one side of a pair of holding parts 51 and 51 of the indirect hot wire tool 5, a pair of indirect hot wire tool 5 is provided. The pair of blade objects 2 and 2 of the tip tool 1 are arranged on the other side of the gripping parts 51 and 51, but a pair of one of the pair of gripping parts 51 and 51 of the indirect hot wire tool 5 is placed on one side. The blade objects 2 and 2 and the pair of sandwiching bodies 3 and 3 may be arranged.

  Moreover, in the case of the said embodiment, a pair of blade object 2 and 2 and a pair of clamping bodies 3 and 3 are put on a front-end | tip of a pair of holding parts 51 and 51 of the indirect hot wire tool 5 via a pair of connection bodies 4 and 4. Are connected to each other (does not protrude from the pair of gripping portions 51, 51 of the indirect hot wire tool 5). The connecting positions of the sandwiching bodies 3, 3 can be changed as appropriate, and may be connected corresponding to the positions of the connecting bodies connected to the pair of gripping portions 51, 51 of the indirect hot wire tool 5. That is, the case where the pair of blade objects 2 and 2 and the pair of sandwiching bodies 3 and 3 protrude from the pair of gripping portions 51 and 51 of the indirect hot wire tool 5 is also included.

  Further, in the case of the embodiment, the sandwiching portions 30 and 30 of the pair of sandwiching bodies 3 and 3 of the tip tool 1 are formed in a wave shape, but the sandwiching portions 30 and 30 may be configured by leaf springs. Good.

  Moreover, in the said embodiment, although demonstrated taking the cable as an example as the cutting target C, the tree which approaches or contacts a cable may be sufficient.

  DESCRIPTION OF SYMBOLS 1 ... Tip tool of an indirect hot wire tool, 2 ... Blade object, 20 ... Blade part, 3 ... Holding body, 4 ... Connection body, 5 ... Indirect hot wire tool (insulation Yatco), 51 ... Gripping part, C ... Cutting object Object (cable)

Claims (4)

A pair of blades having a blade portion which face each other, a pair of cutter bodies, each having a distal end and a proximal end, respectively a holding member of a pair that have a tip and a proximal end, a pair of knives a pair of clamping members which are arranged corresponding to the body, each pair of gripping portions capable of opening and closing an indirect hot tool comprises a pair of connecting members that are connectable, a pair of blade bodies, the other party The pair of sandwiching bodies are elastically deformable, and are constituted by corrugated leaf springs in which irregularities are arranged in the direction in which the distal end and the proximal end are arranged. A clamping part, and the clamping part of each clamping body is disposed opposite to the blade part at a position adjacent to the blade part, with the tip connected to the tip of the blade object and the base end connected to the base end of the blade object, One blade object and one clamping body are connected to one connecting body and the other blade object Tool bit indirect hot tool, wherein the fine other holding member is coupled to the other connecting member.   The tip tool of an indirect hot wire tool according to claim 1, wherein the pair of connecting bodies are connected to the tip ends of the pair of blade objects and the tip ends of the pair of sandwiching bodies.   The base tool of the indirect live tool according to claim 1 or 2, wherein base ends of the pair of blade objects are pivoted and base ends of the pair of sandwiching bodies are pivoted. The pair of clamping bearing member, the tip tool indirect hot tool according to any one of claims 1 to 3, characterized in that irregularities of the physician each other is disposed to face.

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