JP4753919B2 - Triggering work implement and triggering method using the same - Google Patents

Description

  The present invention relates to an inclined tree, an eccentric tree, an electric pole raising work implement, and a raising method using the same.

  In general, when a sloping tree is felled, the tree is first caused, and then the slope is corrected to a certain extent before cutting. At this time, a fixed / towing wire having a ring at both ends called a mounting wire is attached to the tree to be caused, and then the tilting tree is caused by towing the mounting wire with a towing machine. For example, a chill hall or the like is used as the traction machine.

  Here, when the tree to be caused is a short tree, there is no particular problem because a mounting wire can be attached from the ground. However, when the tree to be caused is a tall tree, the ladder must be climbed using a ladder or a climbing pole to mount the mounting wire, and there is a risk that the operator may fall down.

  In addition, the fallen rope attachment tool which attaches a hook-shaped hook material and the fallen rope for the fallen tree to a tree without climbing a tree is proposed (for example, refer patent document 1).

JP 2006-20528 A

  Although the fallen rope attachment tool described in Patent Document 1 can attach a fallen rope without climbing a tall tree, the hook material will be detached from the tree when used for the work of causing the sloping tree. There is a risk that the work cannot be performed stably.

  In addition, such triggering work is not only applied to sloping trees, but also to poles that are tilted due to the fall of trees that have fallen due to heavy snow, power poles that are broken due to collision of vehicles, etc. Sometimes it is also done.

  The present invention has been invented in view of such circumstances, and even if it is a tall columnar member, it does not climb, does not come off from the columnar member while it is being raised, and stably causes the work to occur. It is an object of the present invention to provide a raising work tool that can be performed and a method of raising a tilted columnar member using the working work tool.

  A first aspect of the present invention that solves the above-described problem is a triggering work instrument that is used when a tilted columnar member is pulled by a pulling means disposed on the ground to cause the columnar member. An instrument body having a locking portion for locking one end side of the fixed wire wound around the wire, a wire insertion groove through which the other end side of the fixed wire is inserted in a loosely inserted state, and the traction through the traction wire And a fixing means for pressing the fixing wire against the wall surface of the wire insertion groove and fixing the fixing wire to the instrument body by being pulled by the pulling means via the pulling wire. And cause it to work on the work implement.

  In the first aspect, even a tall columnar member can be caused to work without climbing. In addition, while the fixing means is being pulled by the pulling means, the columnar member continues to be held between the fixing wire and the work implement. Therefore, even if the columnar member swings somewhat, it does not come off and can be caused stably.

  According to a second aspect of the present invention, in the work tool for causing work according to the first aspect, the fixing means is released from the pulling by the pulling means, so that the wire insertion groove of the tool main body of the fixing wire is released. There is a trigger work implement characterized by releasing the pressed state against the wall surface.

  In the second aspect, if the traction force of the traction means is released, it can be easily removed from the columnar member.

  According to a third aspect of the present invention, there is provided the working apparatus according to the first or second aspect, wherein the instrument main body has a contact portion that contacts the columnar member, and the surface of the contact portion has the columnar shape. A trigger working implement characterized by being formed along the surface shape of a member.

  In the third aspect, since many portions of the contact portion abut on the columnar member, the columnar member can be stably held.

  According to a fourth aspect of the present invention, there is provided a triggering method using the trigger work implement according to any one of the first to third aspects, wherein the fixed wire is wound around the inclined columnar member. One end side is locked to the locking portion of the instrument body, and the other end side of the fixing wire is inserted into the wire insertion groove of the instrument body, and the instrument body is pulled by pulling the inserted fixing wire. The columnar member is caused by pulling the columnar member with the pulling means connected to the fixing means via the pulling wire in a state where the columnar member is in close contact with the columnar member. There is a cause method using a trigger work implement characterized by the above.

  In the fourth aspect, even a tall columnar member can be caused without climbing. In addition, while the fixing means is being pulled by the pulling means, the columnar member continues to be held between the fixing wire and the triggering work implement according to this aspect. Therefore, even if the columnar member swings somewhat, it does not come off and can be caused stably.

  As described above, according to the triggering work tool and the triggering method using the same according to the present invention, even a tall columnar member can be caused to work without climbing. In addition, according to the triggering work tool and the triggering method using the same according to the present invention, the columnar member is formed by the fixing wire and the triggering work tool of the present invention while the fixing means is being pulled by the pulling means. Continue to be pinched. Therefore, even if the columnar member swings somewhat, it does not come off and can be caused stably.

  Embodiments of the present invention will be described below in detail with reference to the drawings.

(Embodiment 1)
FIG. 1 is a schematic view of a triggering work implement according to the first embodiment. Moreover, FIG. 2 is an external perspective view of the wire insertion groove and the wire fixing device of the trigger work tool according to the first embodiment. FIG. 3 is a plan view showing a state of the wire fixing device when the lever is pulled of the work implement for trigger according to the first embodiment.

  As shown in these drawings, the trigger work instrument 100 according to this embodiment includes a half-moon-shaped instrument body 10 and a wire fixing device 30 that presses and fixes the fixing wire 20 to the instrument body 10. The fixed wire 20 refers to a wire that is wound around the tree 200 and fixes the tree 200 together with the instrument main body 10 of the trigger work instrument 100 according to the present embodiment.

  Further, one end surface of the instrument main body 10 is an abutting portion 10 a that abuts on the outer peripheral portion of the tree 200. The contact portion 10a has an arc shape along the surface shape of the tree 200 to be caused. In addition, it is preferable that the radius of the arc of the contact portion 10a is equal to or larger than the radius of the tree to be caused, and more preferably the same as the radius of the tree to be caused. Thereby, the part which contact | abuts the tree surface increases, and a tree can be hold | gripped stably. However, in reality, since the diameters of the trees are different, it is difficult to create them according to each tree. Therefore, the radius of the arc of the abutting portion 10a may be appropriately determined with a radius larger than the radius of the tree to be caused in consideration of versatility.

  In addition, a half-ring-shaped locking portion 10 b that locks one end of the fixed wire 20 that is wound around the tree 200 is provided at the end of the contact portion 10 a of the instrument body 10.

  The instrument body 10 is provided at a body portion 10c having a predetermined thickness and an end portion on the opposite side of the locking portion 10b of the instrument body 10, and is thicker than the body portion 10c of the instrument body 10. Part 10d. As shown in FIG. 2, a wire insertion groove 11 through which the fixed wire 20 is inserted is formed on the end surface of the thick portion 10d. Further, a wire fixing device 30 that presses and fixes the fixing wire 20 to the bottom surface portion of the wire insertion groove 11 is disposed at a portion adjacent to the wire insertion groove 11 of the instrument body 10.

  Here, the wire fixing device 30 of the raising work tool 100 according to the present embodiment has the same structure as a so-called camler, which is a tool for temporarily holding an electric wire.

  That is, the wire fixing device 30 includes a rotating cam 31, a pressing member 32 that presses the fixing wire 20 against the end surface of the thick portion 10 d of the instrument body 10, and a lever 33 that receives traction force from the outside. . The wire fixing device 30 is arranged such that the pressing member 32 faces the bottom surface portion of the wire insertion groove 11, that is, the end surface of the thick portion 10d.

  The cam 31 is a U-shaped member, and a protruding portion on one side is rotatably locked to the instrument body 10 by a locking pin 34a. Further, the pressing member 32 is a thick fan-shaped member, and a portion corresponding to a so-called fan is fixed to the apex portion of the letter shape of the cam 31 by a bolt 35. The lever 33 is a rectangular member whose both ends are rounded. One end of the lever 33 is locked to a protruding portion on the other side of the cam 31 by a locking pin 34b. Moreover, the hole 33a which penetrates the lever 33 in the thickness direction is provided in the edge part of the other side of the lever 33, and the pulling wire 40 is latched as shown in FIG. The pulling wire 40 is a wire for pulling and causing a tree. Further, although not shown, the pulling wire 40 is connected to a pulling device disposed on the ground and is pulled by the pulling device.

  When the lever 33 of the wire fixing device 30 configured as described above is pulled by the pulling device via the pulling wire 40, the cam 31 connected to the lever 33 by the locking pin 34b supports the locking pin 34a. To turn. As the cam 31 rotates, the pressing member 32 also rotates. By the operation of each member of the series of wire fixing devices 30, as shown in FIG. 3, the fixing wire 20 in the wire insertion groove 11 becomes the bottom portion of the wire insertion groove 11, that is, the thick portion 10d of the instrument body 10. It is pressed and fixed to the end face.

  Here, the instrument main body 10 has the same thickness as the thick portion 10d in a region opposite to the thick portion 10d of the wire fixing device 30, and a braking portion 10e that restricts the trajectory of the lever 33 is disposed. ing. Thereby, even if the lever 33 of the wire fixing device 30 is pulled in a direction away from the fixing wire 20, the lever 33 hits the braking portion 10e and rotates around the hit portion. Therefore, even when the lever 33 is pulled in the direction away from the fixed wire 20, the wire fixing device 30 rotates the cam 31 and the pressing member 32 as described above, and the fixed wire 20 has the wire insertion groove. 11 is pressed and fixed to the bottom surface portion of 11, that is, the end surface of the thick portion 10d.

  Moreover, the instrument main body 10 has a flat plate-shaped escape prevention part that extends from the surface portion of the thick part 10d, that is, the side surface of the wire insertion groove 11 to the braking part 10e along the surface of the main body part 10c of the instrument main body 10. 10f is arranged. That is, as shown in FIG. 3, the fixing wire 20 and the wire fixing device 30 are arranged between the main body portion 10c of the instrument main body 10 and the escape prevention portion 10f. Thereby, in the direction crossing the direction in which the fixing wire 20 is pressed by the wire fixing device 30, there are the main body portion 10c of the instrument main body 10 and the escape preventing portion 10f. Is surely prevented from escaping. Therefore, when the lever 33 of the wire fixing device 30 is pulled, the fixed wire 20 in the wire insertion groove 11 is reliably pressed and fixed to the bottom surface portion of the wire insertion groove 11, that is, the end surface of the thick portion 10d. The

  Hereinafter, a method for causing the inclined tree 200 using the trigger work implement according to the present embodiment described above will be described in detail with reference to the drawings.

  4-6 is the schematic diagram which showed the method of the raising work of the inclined tree using the raising work implement which concerns on this embodiment. Although not shown, a traction device that generates a traction force that causes the tree 200 is disposed on the ground. For example, a chill hole may be used as the traction device.

  First, as shown in FIG. 4, one end side of the fixed wire 20 is locked to the locking portion 10 b of the tool main body 10 of the trigger work tool 100 according to the present embodiment. Next, the pulling wire 40 connected to the pulling device is connected to the hole 33a of the lever 33 of the wire fixing device 30 of the trigger work tool according to the present embodiment. Next, the other end side of the fixed wire 20 is turned around the tree 200. Here, since the fixing wire 20 slips down when it is turned around a trunk portion without a branch, the fixing wire 20 is turned around so as to be caught at the root portion of the branch.

  In addition, when the tree 200 to be raised is a tall tree, the fixing wire 20 is held at a desired place while holding the fixing wire 20 by using a stick having a gripping device at the tip, and turned. Just multiply. At this time, the trigger work device 100 according to the present embodiment may be placed on the ground.

  Next, as shown in FIG. 5, the fixed wire 20 that has been turned is inserted into the wire insertion groove 11 of the instrument main body 10 of the trigger work instrument 100 according to the present embodiment, and the inserted fixed wire 20 is pulled. . Thereby, the trigger work tool 100 according to the present embodiment approaches the portion of the tree 200 around which the fixed wire 20 is turned. The fixed wire 20 is pulled until the contact portion 10a of the instrument body 10 is in close contact with the tree 200 and the tree 200 is sufficiently tightened.

  In addition, since the contact part 10a contact | abutting to the tree 200 has the circular arc shape, since the raising work tool 100 which concerns on this embodiment is pulled, when the fixed wire 20 is pulled, the contact part of the fixed wire 20 and the instrument main body 10 will be shown. 10a, the tree 200 is firmly held.

  Finally, as shown in FIG. 6, the lever 33 of the wire fixing device 30 of the trigger work instrument 100 according to the present embodiment is pulled by a traction device (not shown) arranged on the ground via the traction wire 40. Thus, as described above, the wire fixing device 30 presses and fixes the fixed wire 20 in the wire insertion groove 11 to the end surface of the thick portion 10d of the instrument main body 10, and the fixed wire 20 remains in close contact with the tree 200. It is fixed in the state. The pressing and fixing of the fixing wire 20 is not released while the wire fixing device 30 is being pulled by the pulling device. Therefore, the pulling of the fixed wire 20 may be stopped. After that, by pulling the tree 200 with the pulling device through the pulling wire 40 as it is, the state of being held between the fixed wire 20 and the abutting portion 10a of the trigger work instrument 100 according to the present embodiment is maintained. The tree 200 can be caused.

  As described above, according to the trigger work tool 100 according to the present embodiment, it is possible to perform a tilted tree triggering work while on the ground. Thereby, there is no worry of an operator falling, and the safety of work can be greatly improved. Furthermore, it is possible to greatly reduce the work time required to cause the inclined tree and to reduce the worker's fatigue.

  In addition, according to the trigger work instrument 100 according to the present embodiment, even if the tree is tall, the fixed wire is placed at a desired place while gripping the fixed wire 20 using a bar having a gripping device at the tip. By carrying around 20 and turning it around, it is possible to carry out the work in the same way without climbing the tree.

  Further, according to the trigger work instrument 100 according to the present embodiment, the fixed wire 20 is pressed and fixed to the thick part 10d of the instrument main body 10 by the wire fixing device 30 while the tree is being pulled by the pulling device. Continue to be. As a result, even if the tree is slightly swung during the raising work, the fixed wire 20 is not loosened, and the tree can be caused stably.

  The trigger work instrument 100 according to the present embodiment is configured as described above, but is not limited thereto.

  In the embodiment described above, the instrument body 10 has a half-moon shape, but is not particularly limited, and may be, for example, a rectangular shape.

  Further, in the embodiment described above, the abutting portion 10a of the work tool 100 for raising is formed in a smooth arc shape. However, for example, the abutting portion 10a may be shaped like a saw to be bitten by the surface of the tree. Good. Hard rubber or the like may be used for the contact portion 10a. Thereby, a tree can be grasped more reliably.

  In the embodiment described above, there is one wire fixing device 30, but two or more wire fixing devices 30 may be provided.

  Moreover, although the cause method using the trigger work tool 100 which concerns on this embodiment was shown using FIGS. 4-6, the trigger method using the trigger work tool 100 which concerns on this embodiment is limited to this. It is not a thing.

(Embodiment 2)
FIG. 7 is a schematic view of a triggering work implement according to the second embodiment of the present invention. In addition, the same code | symbol is attached | subjected to the member same as the raising work implement which concerns on 1st Embodiment, and the overlapping description is abbreviate | omitted.

  As shown in this figure, a belt-like sling 50 is locked to the locking portion 10b and the fixed wire 20 is locked to the sling 50 in the triggering work tool 100A according to the present embodiment. The sling 50 is a belt-like member whose width direction is wider than the diameter of the fixed wire 20, and is made of, for example, nylon or a metal mesh. As a result, as shown in FIG. 7, the tree 200 is sandwiched between the sling 50 and the contact portion 10 a, and the tree can be sandwiched more stably than when the tree is sandwiched between the fixed wires 20.

  Further, a semi-circular locking portion 10g to which the removal wire 60 is locked is provided on the thick portion 10d side of the instrument body 10, and the removal wire 60 is locked to the locking portion 10g. . The removal wire 60 refers to a wire used for removing the raising work tool 100A.

  Here, when removing the work tool 100A caused by the tree 200, the fixing wire 20 may be caught in the wire insertion groove 11, and the work tool 100A may be difficult to remove caused by the tree 200. .

  In the triggering work tool 100A according to the present embodiment, when the triggering work of the tree 200 is finished, the pulling of the fixed wire 20 and the pulling wire 40 is stopped, and the removal wire 60 is pulled from the ground, so that it is on the ground. The work implement 100A can be easily and reliably removed from the tree 200.

  Here, when a twig or other tree gets in the way of attaching the work tool 100A to the tree 200, it is necessary to dodge the twig or other tree by changing the angle to which the fixing wire 20 is pulled. There is.

  In the trigger work instrument 100A according to the present embodiment, the fixed wire 20 can be loosened by pulling the removal wire 60. Therefore, obstacles such as twigs and other trees can be easily dodged.

  As described above, the trigger work implement according to the present invention has been described, but the present invention is not limited to this. For example, in the above-described embodiment, an example in which a tilted tree is caused has been shown. However, a tree is also obtained by winding the fixed wire 20 around the trunk of a utility pole on which a scaffold for climbing is formed even on a tilted utility pole. As with, it can be caused stably while on the ground.

1 is a schematic view of a triggering work implement according to a first embodiment of the present invention. It is an external appearance perspective view of the raising work implement concerning a 1st embodiment of the present invention. It is a top view of the raising work implement concerning a 1st embodiment of the present invention. It is the schematic diagram which showed the method of the trigger work using the trigger work tool which concerns on the 1st Embodiment of this invention. It is the schematic diagram which showed the method of the trigger work using the trigger work tool which concerns on the 1st Embodiment of this invention. It is the schematic diagram which showed the method of the trigger work using the trigger work tool which concerns on the 1st Embodiment of this invention. It is the schematic of the trigger work tool which concerns on the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Instrument main body 10a Contact part 10b Locking part 10c Main body part 10d Thick part 10e Braking part 10f Escape prevention part 10g Locking part 11 Wire insertion groove 20 Fixed wire 30 Wire fixing device 31 Cam 32 Pressing member 33 Lever 33a Hole 34a Locking pin 34b Locking pin 35 Bolt 40 Pulling wire 50 Sling 60 Detachment wire 100 Raising work tool 100A Raising work tool 200 Tree

Claims (4)

A trigger work implement used when pulling and causing a columnar member in an inclined state by a pulling means arranged on the ground,
An instrument body having a locking portion that locks one end side of the fixed wire wound around the columnar member, and a wire insertion groove through which the other end side of the fixed wire is inserted in a loosely inserted state;
The pulling means is connected via a pulling wire, and is pulled by the pulling means via the pulling wire so that the fixing wire is pressed against the wall surface of the wire insertion groove and fixed to the instrument body. A trigger work implement characterized by comprising: The trigger work implement according to claim 1,
The triggering work tool characterized in that the fixing means releases the pressing state of the fixing wire against the wall surface of the wire insertion groove of the tool body by releasing the pulling by the pulling means. In the trigger work implement according to claim 1 or 2,
The instrument body has a contact part that contacts the columnar member, and the surface of the contact part is formed along the surface shape of the columnar member. A triggering method using the trigger work implement according to any one of claims 1 to 3,
In a state where the fixing wire is wound around the inclined columnar member, one end side of the fixing wire is locked to the locking portion of the instrument body, and the other end side of the fixing wire is used as the wire insertion groove of the instrument body. The instrument body is brought into intimate contact with the columnar member by pulling the inserted fixing wire, and the instrument body is in close contact with the columnar member and connected to the fixing means via the towing wire. A triggering method using a triggering work instrument, wherein the columnar member is caused by pulling the columnar member by the pulling means.

Images