JP2008109918A - Wood carrying system and wood carrying step - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a system of efficiently carrying thinnings without damaging remaining trees in a steep complicated landform. <P>SOLUTION: The thinning carrying system is such that a wood carrying device 8 has a first winch 1 which can roll up and draw out a first wire 15 whose edge is connected with a first eye, and a second winch 2 which can roll up and draw out a second wire 16 whose edge is connected with a second eye, and one or a plurality of pulleys 5, 6 and 7 for changing the travelling direction of the second wire 16 are connected in the middle of the proceeding route of the second wire 16, and one or a plurality of zigzag pulleys 3 and 4 for changing the travelling direction of a loading tool are connected in the middle of the proceeding route of the loading tool. The wood carrying device 8 is arranged in the vicinity of an unloading place on a work road. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a transport system and a transport step for thinned wood, and more specifically, achieves efficient gathering of thinned wood that has been harvested while fixing the mechanical position of a tower yarder or the like. .

Conventionally, wood transportation called tower yarder with a self-propelled column (tower) is used as a means to convey the harvested wood linearly from the logging position (loading position) to the lumbering position (unloading position). The device is used. Further, in order to reliably and easily transport the cut timber, the tower yarder includes first and second ropes (wires) and first and second winches capable of winding and unwinding each of them. Is provided.
The tower yarder having such a configuration is disclosed in, for example, the following patent documents.
JP 2002-160888 A

  Conventionally, row thinning as shown in FIG. 9 was performed using this tower yarder. That is, after carrying thinned lumber in row A (gathering), the tower yarder is moved to the lower part of row B to carry thinned lumber (gathering) in row B, and then tower yarder in the lower part of row C The thinned wood was transported (gathered) in such a procedure that the thinned wood was transported (gathered) in row C.

Problems to be solved by the invention

However, in this type of conventional timber transport system, each time thinning is performed, it is necessary to move the gathering position and the tower yarder. The need to replace the return cable was low, and low efficiency was a problem.
In addition, it is necessary to have personnel for changing the direction of the timber during the gathering, and the timber loaded with the hooks of the suspended load line is in front of the tower yard column (outside the road). ), The transportation process using grapples and the accompanying personnel are required to move the material to the lumbering / loading position, which has been a problem of low efficiency.
In addition, in the conventional transport method, the ropes are installed in rows in a direction substantially perpendicular to the work road (forest road) and the timber is carried out, so that the remaining wood is damaged by the timber being collected. It was.
Furthermore, in the conventional transport method, in thinning on complicated terrain with ridges and valleys, the transporter equipped with suspended load rope cannot pass through the zigzag pulley, so it requires personnel to replace the transporter and the efficiency is low. Was a problem.

The present invention has been devised in view of the above circumstances, and by combining a high-performance forestry machine such as tower yarder with a zigzag pulley to facilitate the direction change of the wood transport, it is possible to hang the carrier when changing the direction of the wood during the wood export. The purpose of this is to improve work efficiency by making it possible to transport wood from a plurality of rows to the roadside without requiring replacement and with the gathering position and tower yarder fixed.
Another aim is to establish a transport method that can carry out thinned wood along the topography by thinning it into a fishbone shape, and that is effective in maintaining the remaining trees.

Means for solving the problem

In order to achieve the above object, the present application proposes the following techniques.
(1) A timber transport system for transporting thinned wood from a logging position to an unloading position on a work road, with a first winch capable of winding and feeding a first wire having a first eye connected to the tip, and a tip A wood conveying device provided with a second winch capable of winding and feeding a second wire connected to a second eye, a loading tool for loading the thinned material, the first eye and the second eye And a twin wheel that connects the loading device, and one or more pulleys that change the traveling direction of the second wire are coupled to the traveling path of the second wire, One or more zigzag pulleys that change the traveling direction of the loader are connected in the middle of the traveling path of the implement, and the wood conveying device is disposed in the vicinity of the unloading position on the work road. A wood transport system characterized by that.
(2) The loading tool includes a loading hook for loading wood, a shackle connected to the loading hook, and a bare wheel connected to the shackle, and the first eye and the second eye The said bare wheel is connected with the said double wheel, The timber conveyance system characterized by the above-mentioned.
(3) The wood conveying device is arranged on the forest road as it is, and the thinned material loaded on the loading hook is conveyed by the loading tool, and the unloading position via the zigzag pulley. Wood transport system characterized by being transported to

With this configuration, the loaded wood can be transported from the loading position to the unloading position on the forest road without changing the wood.
This eliminates the need for a grapple transporting process, and improves the efficiency of loading from the unloading position to the transporting machine such as lumber and truck by the processor.

(4) Wood transport for transporting wood thinned and mounted in a plurality of linear rows crossing the forest road using the wood transport system according to any of (1), (2), and (3) above Among the plurality of straight rows, the system first transports the timber thinned and placed in a straight row far from the timber transport device to the unloading position on the forest road, and then sequentially to the front side. The timber that has been thinned and placed in a straight line installed toward the forest is transported to the unloading position on the forest road without moving the timber transport device.

  By configuring in this way, wood transport that transports the timbers that are thinned and mounted in a plurality of straight rows on a work road using a zigzag pulley for the wood that is mounted on the loading tool by winding and unwinding the winch The system is completed and the efficiency of carrying out thinned wood can be greatly improved.

(5) It is a wood conveyance step using the wood conveyance system according to any one of (1), (2), and (3) above, and is adjacent to the work road as an area for cutting the thinned wood. And a hillside located at a higher position than the working road, and a single sloping line as viewed from the working road, a left sloping surface adjacent to the left side of the sloping line, and a right sloping surface adjacent to the right side of the smoothing line. A logging area setting step for setting a predetermined area including the unloading position setting step for setting the unloading position on the work road adjacent to the position of the lowest point of the sawtooth; A logging row setting in which one or more left felling rows that intersect with the saw lines on the left inclined surface and one or more right felling rows that intersect with the saw lines on the right slope surface are set as a felling row. Steps and thinned wood in the logging row And harvesting steps of harvesting for wood conveying step, characterized in that it comprises a transfer step, a for conveying the thinning material after logging into the unloading position.

(6) In the transporting step, first, the thinned timber is transported first, then the thinned timber of either the left-side felling row or the right-side felling row is transported, and then the opposite side is felled. A wood conveying step characterized by conveying thinned wood in a row.
(7) In the transporting step, when transporting the thinned lumber from the left felling row or the right felling row, transporting the thinned lumber sequentially from the farthest row as viewed from the unloading position. Characteristic wood transport step.

By setting it as such a structure, the thinned material of a central stream can be conveyed first, and the conveyance path of the thinned material of the left slope and right slope which convey after that can be formed.
In addition, by setting the cutting lines on the left and right slopes toward the sloping lines located almost immediately when viewed from the left and right slopes, efficient transport work can be realized and the remaining trees are not damaged.
In the present invention, the thinning material on the left slope is transported and then the thinning material on the right slope is transported. However, the order may be reversed. In short, the length of the first and second wires is long and the conveyance work is started from a high place where the inclination is difficult, and the lengths of the first and second wires are gradually shortened to convey the gentle slope. By doing so, it is possible to realize a transfer operation with high overall efficiency.
In addition, after completion of thinning and transportation of thinned wood, a well-balanced forest with an excellent landscape can be formed.

<First embodiment>
Hereinafter, the wood conveyance system of the present invention will be described.
FIG. 1 is a schematic configuration diagram showing a transport mode of the first row, FIG. 2 is a schematic configuration diagram showing a transport mode of the second row, FIG. 3 is a schematic configuration diagram showing a transport mode of the third row, and FIG. The schematic block diagram which shows the conveyance form of eyes, FIG. 5 is the loading tool 19 in this invention.

As shown in FIG. 1, after thinning in a row, the first wire and the second wire wound around the first and second winches that can be wound and fed out with the tower yarder 8 fixed in one place, respectively. Are arranged in the first row 1 in which the tips of the first ropes (first wires) 15 wound around the first winch 1 are loaded through the zigzag pulley 3 and the zigzag pulley 4. To do.
Further, a second rope (second wire) 16 wound around the second winch 2 passes the pulley 5 and the pulley 6 in the row 4.
Next, the pulley 7 in the first row 1 is passed through and placed in the first row 1.
Next, as shown in FIG. 5, the loop-shaped first eye 9 and second eye 10 at the tips of both wires are connected by a twin wheel 11 using a strand of wire, and a bare ring 12 is formed on the twin wheel 11 by a strand of wire. The shackle 13 and the loading hook 14 are attached to the bare ring 12 to make the loading tool 19.
A row 1 of wood is mounted on the loader 19 and the wood mounted on the loader 19 is passed through the zigzag pulley 4 and the zigzag pulley 3 by winding and unwinding the first and second winches of the tower yarder 8 on the work road. To the unloading position.
A forest road is generally used as a work road, but when there is no forest road, a work road is formed to perform the work.

Next, the conveyance of the row 2 will be described with reference to FIG.
After the completion of carrying out the row 1 timber, the twin wheel 11, which is a connection between the first wire 15 and the second wire 16, is cut while the tower yarder 8 is fixed.
Next, the first wire 15 is arranged in the row 2 through the zigzag pulley 3 moved to the upper part of the work road in the row 2 and the zigzag pulley 4 moved to the lower part of the work road.
The structure of the loading tool 19 is as described above. The row 2 wood is mounted on the loading tool 19, and the first and second winches of the tower yarder 8 are wound and fed out to be mounted on the loading tool 19. The finished wood is conveyed through the zigzag pulley 4 and the zigzag pulley 3 to an unloading position on the work road.

The conveyance of the row 3 will be described with reference to FIG.
After the end of carrying out the row 2 timber, the twin wheel 11, which is a connection between the first wire 15 and the second wire 16, is cut while the tower yarder 8 is fixed.
Next, the first wire 15 is arranged in the row 3 through the zigzag pulley 3 moved to the upper part of the work path in the row 3 and the zigzag pulley 4 moved to the lower part of the work route, and the second wire 16 is moved to the lower part of the row 3. 7 is arranged in row 3.
The structure of the load hanger 19 is as described above. The row 3 wood is attached to this, and the wood mounted on the load hanger 19 is zigzag by winding and unwinding the first and second winches of the tower yarder 8. It is conveyed to the unloading position on the work road through the pulley 4 and the zigzag pulley 3.

The conveyance of the row 4 will be described with reference to FIG.
After completion of the row 3 timber unloading, with the tower yarder 8 fixed, the loading tool 19 and the first wire 15 connected to the first wire 15 and the second wire 16 are wound around the first and second winches of the tower yarder 8. Take it out and place it in row 4.
Next, through the zigzag pulley 3 moved to the upper part of the work road of the row 4 on the second wire 16 side coming out of the second winch and the zigzag pulley 4 moved to the lower part of the work road, the wood of the row 4 is passed to the loader 19. Installing.
By winding and unwinding the first and second winches of the tower yarder 8, the wood mounted on the loader can be transported through the zigzag pulley 4 and the zigzag pulley 3 to the unloading position on the work road. There is no need to replace the equipment when changing the direction of the timber during carry-out, and work efficiency is improved by enabling conveyance from a plurality of rows to the roadside while the gathering position and tower yarder are fixed.
As described above with reference to FIGS. 1 to 5, the procedure has been described in which the conveyance is advanced from the row far from the tower yarder to the row closer in order while the collecting position and the tower yarder are fixed.
As a result, the transfer of the wood is not accompanied by the transfer of the wood transfer device (tower yarder) 8 having great labor, and the replacement of the wire and the equipment accompanying it is omitted, so that the efficient transfer work can be achieved. Is possible.

<Second embodiment>
Next, a description will be given of a wood transport system and a transport step in a terrain where valleys and ridges are complicated. This transport system and step is called a fishbone transport system and a fishbone transport step because it is assumed that the swirl is the spine of the fish and the row crossing the swirl is the branch bone.

As shown in Fig. 6, in the complicated terrain where valleys (sawasuji) and ridges are complicated, first, set up a swath that intersects the work road, set the work road directly under the swath to the unloading position, and A wood conveying device (tower yarder) 8 is installed on the work road.
In addition, the area composed of the saw lines and the two ridges (left slope and right slope) is set as the thinning area for thinning, and the logging lines on the left and right slopes that flow into the saw lines are selected. To do.
Next, the thinned timber is first cut and carried out. Thereby, the conveyance path | route of the thinned material of the left side slope and right side slope conveyed after that can be formed.
Next, with regard to transporting the thinned material on the left and right slopes, the left slope is transported first, followed by the right slope.
In the present invention, since the tower yarder 8 is installed on the right side of the unloading position, the left slope is transported first, and then the right slope is transported. However, the tower yarder 8 is unloaded on the left side of the unloading position. When installed, it is more efficient to reverse the order of thinned wood on the left and right slopes.

Next, the conveyance step of the thinned material on the left slope will be described as an example with reference to FIG.
While the tower yarder 8 is fixed, the twin wheel that is the connection between the first wire 15 and the second wire 16 is cut.
Next, the first wire 15 passes through the first zigzag pulley 3 and is arranged in the row 2 through the second zigzag pulley 4 installed at the intersection of the row 2 and the row 1, and the second wire 16 is placed in the third pulley. 7, a fourth pulley 17 installed at the top of the row 2 is arranged in the row 2.
The loop-shaped first eye 9 at the tip of the first wire 15 and the loop-shaped second eye 10 at the tip of the second wire 16 are connected by a twin wheel 11 using a strand of wire, and a bare ring 12 is formed by the strand of wire. The shackle 13 and the loading hook 14 are attached to this to make a loading tool 19.
The row 2 timber is attached thereto, and the first and second winches of the tower yarder 8 are wound and unwound, and the timber attached to the loader 19 is moved to the second zigzag pulley 4 and the first zigzag pulley 3. Through to the unloading position on the work road.

  The conveyance after the third row is shown in FIG. 8, but the specific procedure is the same as that described in the first embodiment, so the description thereof is omitted.

As described above, first cut a lot, then cut the left or right slope in order from the far row to the near row as seen from the tower yarder 8, and then cut the opposite slope in the same way. Thus, work efficiency can be increased.
The reasons are given below.
1) By cutting and transporting a lot of trees first, it is possible to select a cutting line that is efficient on the left and right slopes and that is optimal for the maintenance of remaining trees.
2) Next, when transporting thinned wood on the left or right slope, logging and transporting the thinned wood in order from the farthest to the nearest row from the tower yarder maximizes the difference in height. It is efficiently done with limited use.

The schematic block diagram which shows the conveyance form of the 1st row in the timber conveyance system of this invention The schematic block diagram which shows the conveyance form of the 2nd row in the timber conveyance system of this invention The schematic block diagram which shows the conveyance form of the 3rd row in the timber conveyance system of this invention The schematic block diagram which shows the conveyance form of the 4th row in the timber conveyance system of this invention The block diagram which shows the loading tool which concerns on the timber conveyance system of this invention The schematic block diagram which shows the fish-bone shaped conveyance system of this invention, and the conveyance form of the 1st line of a step The schematic block diagram which shows the conveyance form of the 2nd row of the fish-bone-shaped conveyance system and step of this invention The schematic block diagram which shows the fish-bone shaped conveyance system of this invention, and the conveyance form of the 3rd row of a step Configuration diagram of conventional line thinning

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ...... 1st winch 2 ... 2nd winch 3 ... 1st zigzag pulley 4 ... 2nd zigzag pulley 5 ... 1st pulley 6 ... Second pulley 7 ··· Third pulley 8 ··· Wood transport device (tower yarder)
9 .... 1st eye 10 ... 2nd eye 11 ... Twin wheel 12 ... Forest 13 ... Shackle 14 ... Loading hook 15 ... 1st wire 16 ... 1st 2 wire 17 ... 4th pulley 18 ... 5th pulley 19 ... loading tool

Claims (7)

A wood transport system for transporting thinned wood from a logging position to an unloading position on a work road,
A wood having a first winch capable of winding and feeding a first wire having a first eye connected to the tip, and a second winch capable of winding and feeding a second wire having a second eye connected to a tip. A transport device, a loader for loading the thinned material, and a twin wheel for connecting the first eye, the second eye, and the loader,
One or more pulleys that change the traveling direction of the second wire are connected to the traveling path of the second wire,
One or more zigzag pulleys that change the traveling direction of the loader are connected to the traveling path of the loader,
The wood transport system, wherein the wood transport device is disposed in the vicinity of an unloading position on the work road. In the wood conveyance system according to claim 1,
The loading tool includes a loading hook for loading wood, a shackle connected to the loading hook, and a bare wheel connected to the shackle,
The wood conveying system, wherein the first eye, the second eye, and the bare wheel are connected to the double wheel. The wood conveyance system according to claim 1 or 2,
The wood conveying device is arranged as it is on the forest road,
The thinned material loaded on the loading hook is conveyed by the loading tool,
The wood transport system, wherein the wood transport system is transported to the unloading position via the zigzag pulley. In the wood conveyance system in any one of Claims 1 thru | or 3,
The area where the thinned wood is cut is a mountainside located on the work road and higher than the work road, and is adjacent to one swath and the left side of the swath as seen from the work road. A predetermined region including a left inclined surface and a right inclined surface adjacent to the right side of the plurality of lines,
The unloading position is set on the work road adjacent to the position of the lowest point of the swath, The wood transport system, A wood conveyance step using the wood conveyance system according to any one of claims 1 to 3,
The area where the thinned wood is cut is a mountainside located on the work road and positioned higher than the work road, and adjacent to the left side of the one swab and the swath as seen from the work road. A felling area setting step for setting a predetermined area including a left inclined surface and a right inclined surface adjacent to the right side of the plurality of lines,
An unloading position setting step for setting the unloading position on the work road adjacent to the position of the lowest point of the saw lines,
Felling the swabs, one or more left felling rows that intersect the swaths on the left sloping surface, and one or more right felling rows that intersect the swaths on the right sloping surface Logging row setting step to be set as
A logging step of cutting the thinned wood in the logging row;
A wood transporting step, comprising: transporting thinned wood after felling to the unloading position. In the wood conveying step according to claim 5,
The transporting step first transports the thinned timber of the first line, then transports the thinned timber of either the left-side logging row or the right-side logging row, and then thins the thinning row on the opposite side. A wood conveying step characterized by conveying a material. In the wood conveying step according to claim 6,
A wood transporting step, in which when thinned wood is transported from the left felling row or the right felling row, thinned wood is transported sequentially starting from the farthest row as viewed from the unloading position.