JP2015006040A - Hook device for operation rod - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hook device for an operation rod capable of temporarily placing the operation rod in such a state that the operation rod can be easily taken out.SOLUTION: A hook device 1 for an operation rod comprises: a main body part 10; a case part 20; and a hook part 30. The main body part 10 includes: a pair of divided cylindrical bodies 12a and 12b which are formed by bisecting a cylindrical body; a hinge 16 which is provided in one divided portion in the pair of half cylindrical bodies 12a and 12b for connecting the pair of half cylindrical bodies so as to freely open/close them; and a snap lock 18 provided in the other divided portion for connecting the pair of half cylindrical bodies while closing them so as to fix/unfix them. The main body part 10 is freely attachable to and detachable from a shaft portion of a shared operation rod for indirect hot-line work. The case part 20 extends in a rod shape to a proximal end side of the shared operation rod in an axial direction of the shared operation rod from an outer surface of the main body part 10 in the state where the main body part 10 is attached to the shared operation rod, and a recess 24 is formed on a surface of the rod-like portion. The hook part 30 is provided in the case part 20 and freely deformable between an accommodated state where the hook part 30 is accommodated within the recess 24, and a drawn state where the hook part 30 is drawn out of the recess 24.

Description

  The present invention relates to a hook device for an operating rod that is fixed to an indirect live tool in which a tip tool is attached to a common operating rod, and that hooks the indirect hot tool on an edge of a bucket of an aerial work vehicle.

  Conventionally, when performing indirect hot work using an indirect hot wire tool in a bucket of an aerial work vehicle, the indirect hot wire tool that is not used temporarily is placed in the bucket or outside the bucket. A tool bag is suspended, and an indirect hot wire tool is stored in the tool bag for work. Then, the worker takes out the necessary indirect hot tool and performs the work, and when the work is completed, the worker places the indirect hot tool in the bucket or stores it in the tool bag.

  Also, in the work on the pole, the tool bag is suspended from the electric pole, the indirect hot tool that is not used for the work is stored in the tool bag, and the necessary indirect hot tool is taken out from the tool bag.

  However, when a tool bag is used to store the indirect hot tool, it is necessary to perform an operation such as largely lifting the indirect hot tool or inserting the base end of the indirect hot tool into the tool bag. It is necessary to put in and out the indirect hot wire tool while paying attention so as not to tilt. For this reason, when using an indirect hot tool which is temporarily different and using an indirect hot tool which has been used before, it is desirable that the indirect hot tool can be temporarily placed. However, temporarily placing it in the tool bag is a troublesome work for the worker. In addition, placing in the bucket may complicate the inside of the bucket and make it difficult for an operator to perform work.

  Therefore, conventionally, a technique described in Patent Document 1 has been proposed. According to Patent Document 1, a support member made of an elastic material that is detachably attached to a stray link tong, has a slit parallel to the central axis formed on a side surface of a cylindrical body, and a hook portion formed on the side surface is disclosed. Has been. By attaching the support member to the stray link tong, the stray link tong can be suspended from, for example, a rope.

JP 2008-131585 A

  However, in the technique described in Patent Document 1, it is necessary to attach the support member when temporarily placing the indirect hot wire tool. Further, when it is desired to store the indirect live tool in the tool bag, if it is stored as it is, a hook may be caught when another indirect live tool is taken out, which may be an obstacle when taking out the indirect live tool.

  An object of the present invention is to solve such a problem and to provide a hook device for an operating rod that can be temporarily placed in a state in which an indirect hot wire tool can be easily taken out.

  In order to achieve the above object, the present invention has the following configuration.

  (1) A pair of semi-cylindrical bodies in which the cylindrical body is divided into two, an opening / closing member that is provided in one divided portion of the pair of semi-cylindrical bodies and that couples the pair of semi-cylindricals so as to be freely opened and closed, and the other division And a fixing member that is connected to the pair of semi-cylindrical members so that they can be fixed and released in a closed state, and a live-line tool is installed on the distal end side and the proximal end side is held by an operator. A main body portion detachably attached to a shaft portion of the operation rod for line work, and a base of the operation rod along the axial direction of the operation rod from the outer surface of the main body portion in a state where the main body portion is attached to the operation rod. A case portion extending in a rod shape on the end side and having a recess formed on the surface of the rod-shaped portion, a storage state provided in the case portion and housed inside the recess, and drawn out to the outside of the recess, and A hook that can be freely transformed into a pullable state. Operation rod hook apparatus characterized by comprising: a click unit.

  According to (1), when the operation rod hook device is attached to the operation rod and the operation rod is temporarily placed in the bucket of the aerial work vehicle or in the climbing work, the hook portion is pulled out from the case portion. Thus, it is possible to give the operation rod a function of hooking the operation rod on the edge of the bucket of an aerial work vehicle or the scaffolding of a utility pole. This makes it possible to temporarily place the operation rod in a state where it can be easily taken out.

  (2) In (1), when the hook portion is pivotally attached to the end portion on the distal end side of the operation rod inside the concave portion and pulled out to the outside of the concave portion, A first member that is maintained in a state in which the distal end portion protrudes so as to be inclined toward the proximal end side of the operation rod, and is pivotally attached to the distal end portion of the first member, and the first member is And a second member that is maintained in a state of being arranged substantially parallel to the case portion when pulled out of the case portion.

  According to (2), the hook portion can be stored in the concave portion in a straight state, and the amount of protrusion of the case portion from the main body portion can be reduced. Thereby, for example, when inserted into a tool bag, it is possible to reduce the difficulty of taking out the operation rod due to the case portion coming into contact with another operation rod.

  (3) The operating rod hook device according to (2), wherein a grip portion that can be gripped by an operator is formed at a tip portion of the second member.

  According to (3), it is possible to easily pull out the hook portion housed in the recess when the worker grips and pulls the grip portion.

  According to the present invention, it is possible to easily place the operation rod temporarily in a state where the operation rod can be easily taken out.

It is a perspective view which shows the external appearance of the hook apparatus 1 for operation sticks in one Embodiment of this invention. It is a top view of FIG. It is the top view which looked at FIG. 2 from the other side. It is a front view which shows the state which attached the hook apparatus 1 for the operating rod of this embodiment to the common operating rod 100. FIG. It is explanatory drawing which shows the state before pulling out the hook part. It is explanatory drawing which shows the state after pulling out the hook part. It is explanatory drawing which shows the state which used the common operation stick 100 in the bucket temporarily using the hook apparatus 1 for operation sticks of this embodiment. It is explanatory drawing which shows the state which used the common operating rod 100 temporarily on the utility pole using the operating rod hook apparatus 1 of this embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing an external appearance of an operating rod hook device 1 according to an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a plan view of FIG. .

  The operating rod hook device 1 includes a main body portion 10, a case portion 20, and a hook portion 30.

  The main body 10 includes a pair of semi-cylindrical bodies 12a and 12b obtained by dividing a cylindrical body into two in the central axis direction, a rubber sheet 14, a hinge 16, and a patchon lock 18 (see FIG. 2).

  The pair of semi-cylindrical bodies 12a and 12b are combined with each other to form a cylindrical body, and the inner diameter of this cylindrical body is substantially the same as the outer diameter of the insulating operation rod 110 (see FIG. 5) in the common operation rod 100.

  The rubber sheet 14 has a surface with a high coefficient of friction, and is adhered to the inner surfaces of the semi-cylindrical bodies 12a and 12b.

  The hinge 16 rotatably connects the semi-cylindrical body 12a and the semi-cylindrical body 12b, and 2 on one joint portion on the outer side surface when the semi-cylindrical body 12a and the semi-cylindrical body 12b are combined. There are places.

  The patchon lock 18 removably couples the semi-cylindrical body 12a and the semi-cylindrical body 12b, and is connected to the other joint portion on the outer side surface when the semi-cylindrical body 12a and the semi-cylindrical body 12b are combined. There are places. The patch lock 18 includes an engaging portion and an engaged portion. The engaging portion has a lever body whose base end portion is rotatably supported and a ring body connected to the lever body, and the engaged portion is a hook-shaped base body on which the ring body is hooked. The engaging portion is fixed to the semi-cylindrical body 12a, and the engaged portion is fixed to the semi-cylindrical body 12b.

  Then, the semi-cylindrical body 12a is put on a predetermined portion of the common operation rod 100, the semi-cylindrical body 12b is rotated, and the semi-cylindrical body 12a and the semi-cylindrical body 12b are joined together. By connecting the semi-cylindrical body 12 b, the main body 10 is fixed to the common operation rod 100, and the gap between the main body 10 and the common operation rod 100 is sealed with the rubber sheet 14. Thereby, the main-body part 10 is fixed to a fixed position, without sliding on the common operation stick | rod 100. FIG.

  The case portion 20 includes a long rectangular bottom plate portion, a rectangular side wall portion standing perpendicular to the bottom plate portion from two long sides of the bottom plate portion, and a bottom plate portion at one end portion in the longitudinal direction of the bottom plate portion. Is a member that extends in a rod shape and includes a wall portion connected to one end portion of the side wall portion, and the case portion 20 has a rectangular parallelepiped shape surrounded by the bottom plate portion, the side wall portion, and the wall portion. A recess 24 is formed. That is, the other end side in the longitudinal direction of the bottom plate portion in the recess 24 is open. Further, the recess 24 is set to a size that can be accommodated by the hook portion 30.

  The back surface of the bottom plate portion at one end portion in the longitudinal direction of the case portion 20 is fixed to the semi-cylindrical body 12a. At this time, the central axis of the semi-cylindrical body 12a and the longitudinal direction of the case portion 20 are parallel, and the other end side of the case portion 20 extends from the semi-cylindrical body 12a.

  The hook part 30 includes a first shaft 32 corresponding to a first member and a second shaft 34 corresponding to a second member. The first shaft 32 is a rod-shaped member including a long rectangular bottom plate portion and a rectangular side wall portion standing upright at right angles to the bottom plate portion from two long sides of the bottom plate portion. Similarly to the first shaft 32, the second shaft 34 includes a long rectangular bottom plate portion and a rectangular side wall portion standing upright from the two long sides of the bottom plate portion with respect to the bottom plate portion. It is a bar-shaped member. That is, the cross-sectional shape perpendicular to the longitudinal direction of the first shaft 32 and the second shaft 34 is a U-shape. The second shaft 34 can be inserted into the first shaft 32. When the second shaft 34 is inserted into the first shaft 32 and the bottom plate portions are brought into contact with each other, the end surface of the side wall portion in the standing direction is It is flush with the plane of the second shaft 34.

  A proximal end portion of the first shaft 32 is rotatably attached to an end portion on the distal end side of the common operation rod 100 inside the concave portion 24 by a rotation shaft 33, and a proximal end portion of the second shaft 34 is The first shaft 32 is rotatably attached to the distal end portion by a rotation shaft 35. The rotation shaft 33 disposed at the base end portion of the first shaft 32 is provided between the side wall portions facing each other in the case portion 20 and extends in a direction perpendicular to the longitudinal direction of the recess 24. . Further, the rotation shaft 35 at the distal end portion of the first shaft 32 is parallel to the rotation shaft 33 at the proximal end portion.

  By disposing the proximal end portion of the second shaft 34 at the distal end portion of the first shaft 32 and connecting the distal end portion of the first shaft 32 and the proximal end portion of the second shaft 34 by the rotation shaft 35, A second shaft 34 is rotatably connected to the shaft 32. Then, by rotating the second shaft 34 so that the first shaft 32 and the second shaft 34 are in a straight line, one substantially rectangular parallelepiped rod-shaped member is formed. The sizes of the hook portion 30 and the concave portion 24 are set so that the single rectangular parallelepiped rod-shaped member is substantially the same as the size of the concave portion 24.

  For this reason, the hook portion 30 is accommodated in the recess 24 in a state where the first shaft 32 and the second shaft 34 are in a straight line. That is, the state where the first shaft 32 and the second shaft 34 are in a straight line corresponds to the storage state. When the second shaft 34 is rotated so that the first shaft 32 and the second shaft 34 are in a straight line, the bottom surface portion of the second shaft 34 is in contact with the bottom surface portion on the distal end side of the first shaft 32. Further contact is restricted to further contact.

  Further, projecting members 36, 36 that can project and retract from the outer surface of the side wall of the first shaft 32 are provided at the tip of the inner side wall of the first shaft 32. The tip of the protruding member 36 is provided in a hemispherical shape, and is always urged by a spring member (not shown) in a direction protruding from the outer surface of the side wall of the first shaft 32. Further, the protruding member 36 is disposed in the vicinity of the rotation shaft 33 and rotates around the rotation shaft 33 when the first shaft 32 rotates. In addition, fitting holes 20 a and 20 a that are fitted to the distal end portion of the protruding member 36 are formed at the distal end portion of the side wall portion of the case portion 20. The fitting hole 20a is formed at a portion of the case portion 20 where the tip of the protruding member 36 is located when the first shaft 32 is pulled out from the recess 24 and rotated to a predetermined angle of less than 90 degrees. Is formed.

  In other words, in a state where the first shaft 32 is housed in the recess 24, the tip end portion of the protruding member 36 contacts the wall surface of the recess 24. Then, the first shaft 32 is pulled out and rotated by a predetermined angle of less than 90 degrees set in advance, whereby the tip end portion of the protruding member 36 enters the fitting hole 20 a and protrudes from the outer surface of the case portion 20. As a result, the first shaft 32 is locked to the case portion 20, and the first shaft 32 is held in a state of extending obliquely downward with respect to the case portion 20.

  Further, projecting members 37, 37 that can be projected and retracted from the outside of the side wall portion are provided at the front end portion of the inner side wall portion of the second shaft 34. The tip of the projecting member 37 is provided in a hemispherical shape, and is always urged by a spring member (not shown) in a direction projecting from the side wall of the second shaft 34. Further, the protruding member 37 is disposed in the vicinity of the rotation shaft 35 and rotates around the rotation shaft 35 when the second shaft 34 rotates. In addition, fitting holes 32 a and 32 a that fit into the distal end portion of the protruding member 37 are formed at the base end portion of the side wall portion of the first shaft 32. The fitting hole 32a is formed by rotating the second shaft 34 toward the case portion 20 in the linear first shaft 32 and the second shaft 34 so that the second shaft 34 and the case portion 20 are substantially parallel to each other. Further, it is formed at a portion where the tip of the protruding member 37 is located.

  That is, in a state where the first shaft 32 and the second shaft 34 extend in a straight line, the distal end portion of the protruding member 37 contacts the inner surface of the side wall portion of the first shaft 32. Then, when the first shaft 32 and the second shaft 34 are pulled out from the recess 24 and the second shaft 34 is rotated to the case portion 20 side, the second shaft 34 and the case portion 20 protrude substantially. The distal end portion of the member 37 enters the fitting hole 32 a and protrudes from the outer surface of the case portion 20. Thereby, the second shaft 34 is locked to the first shaft 32, and the hook shape formed by the first shaft 32 and the second shaft 34 is maintained. Thus, the state in which the second shaft 34 and the case portion 20 are substantially parallel and the hook shape is formed by the first shaft 32, the second shaft 34, and the case portion 20 corresponds to the hooked state.

  A grip 39 is erected on the surface of the second shaft 34 on the tip side. The grip portion 39 is a member for an operator to grip with a finger and pull out the second shaft 34 from the recess 24.

  FIG. 4 is a front view showing a state where the operating rod hook device 1 is attached to the common operating rod 100. The common operation rod 100 is provided at an insulating operation rod 110 extending in the longitudinal direction, a fixing portion 112 to which a tip tool is attached, and a draining rod 114 attached to a central portion of the insulation operation rod 110. And a safety limit bar 116 attached to the base end side of the insulating operation rod 110.

  The draining rod 114 and the safety limit rod 116 prevent water droplets from flowing down along the insulating operation rod 110 in the case of rain or the like. Is attached to the uppermost part of the part that can be gripped.

Next, a method of using the operating rod hook device 1 will be described.
The operating rod hook device 1 may be attached to the common operating rod 100 in advance, or may be attached when a predetermined operation is completed and temporary placement is desired. Further, the mounting position on the common operation rod 100 can be determined as appropriate. However, if the posture of the common operation rod 100 when the common operation rod 100 is temporarily placed is taken into consideration, the position of the common operation rod 100 is more than the center. It is desirable to attach it closer to the tip. According to the present embodiment, as shown in FIG. 4, the operating rod hook device 1 is attached immediately below the draining rod 114 in the common operating rod 100. The operation rod hook device 1 has the main body portion 10 attached to the common operation rod 100 such that the other end portion of the case portion 20 faces the proximal end side of the common operation rod 100.

  When the common operation rod 100 is temporarily placed, as shown in FIG. 5, when the hook portion 30 is housed in the case portion 20, an operator holds the hook portion 30 by holding the grip portion 39 with a finger. Pull out. At this time, the first shaft 32 and the second shaft 34 are pulled out in a linear state. Further, when the worker rotates the second shaft 34, the hook portion 30 is deformed into a bowl shape as shown in FIG. And the common operation stick | rod 100 is temporarily placed by hooking the hook part 30 in a desired place.

  FIG. 7 is an explanatory view showing a state where the common operation rod 100 is temporarily placed in the bucket 200 of the aerial work vehicle. As shown in FIG. 7, by hooking the hook portion 30 of the operation rod hook device 1 to the edge of the bucket 200, the common operation rod 100 is placed in the bucket 200 in a state where the common operation rod 100 is directed substantially in the vertical direction. Temporary placement becomes possible. Thereby, since the common operation rod 100 can be temporarily placed side by side on the edge of the bucket 200, the inside of the bucket 200 can be prevented from being complicated by the common operation rod 100.

  FIG. 8 is an explanatory diagram showing a state where the common operation rod 100 is temporarily placed on the utility pole 300. As shown in FIG. 8, the common operation rod 100 is temporarily placed by hooking the hook portion 30 of the operation rod hook device 1 on a scaffold 310 provided on the utility pole 300 so that an operator can move up and down the utility pole 300. Is possible. Thereby, since the common operation rod 100 can be temporarily placed near the worker, the common operation rod 100 can be easily picked up by the hand.

  As described above, according to the present embodiment configured as described above, the operation rod hook device 1 is attached to the common operation rod 100, and the common operation rod 100 is temporarily mounted in the bucket of an aerial work vehicle or in ascending work. When temporary placement is desired, by pulling the hook portion 30 out of the case portion 20, the operation rod can be hooked on the common operation rod 100 on the edge of a bucket of an aerial work vehicle or on a scaffolding of a utility pole. This makes it possible to temporarily place the common operation rod 100 in a state where it can be easily taken out.

  Further, according to the present embodiment, the first shaft 32 and the second shaft 34 constituting the hook portion 30 can be stored in the concave portion 24 in a straightened state, and the case portion 20 is separated from the main body portion 10. It is possible to reduce the protruding amount. Thereby, for example, when inserted into a tool bag, it is possible to reduce the difficulty of taking out the common operation rod 100 due to the case portion 20 coming into contact with another operation rod.

  In addition, according to the present embodiment, the operator can easily pull out the hook portion 30 stored in the recess 24 by gripping and pulling the grip portion 39.

DESCRIPTION OF SYMBOLS 1 Operation rod hook apparatus 10 Main body part 12a, 12b Semi-cylindrical body 14 Rubber sheet 16 Hinge 18 Patchon lock 20 Case part 20a Fitting hole 24 Recess 30 Hook part 32 First shaft 32a Fitting hole 33, 35 Rotating shaft 34 Second shaft 36, 37 Projecting member 39 Grasping part 100 Shared operation rod

Claims (3)

A pair of semi-cylindrical bodies formed by dividing the cylindrical body into two parts, an opening / closing member that is provided in one divided part of the pair of semi-cylindrical bodies, and that couples the pair of semi-cylindricals so as to be openable and closable, And a fixing member that connects the pair of semi-cylindrical bodies so that they can be fixed and released in a closed state, and a hot-wire tool is installed on the distal end side and the base end side is held by an operator. A body part that is detachable from the shaft part of the operation rod,
In a state where the main body portion is attached to the operation rod, a rod shape extends from the outer surface of the main body portion to the proximal end side of the operation rod along the axial direction of the operation rod, and a recess is formed on the surface of the rod-shaped portion. A case part,
A hook for an operating rod, comprising: a hook portion provided in the case portion, wherein the hook portion is housed inside the recess and can be deformed into a pulled-out state that can be pulled out and hooked to the outside of the recess. apparatus. The hook part is
A base end portion is rotatably attached to an end portion on the distal end side of the operation rod inside the concave portion so that the distal end portion is inclined toward the proximal end side of the operation rod when pulled out to the outside of the concave portion. A first member maintained in a protruding state,
The first member is rotatably attached to the distal end portion of the first member, and is maintained in a state of being substantially parallel to the case portion when the first member is pulled out of the case portion. The operation rod hook device according to claim 1, comprising two members.   The operating rod hook device according to claim 2, wherein a grip portion that can be gripped by an operator is formed at a tip portion of the second member.

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