JP2003146583A - Material collecting conveying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To take out a material collecting wire without descending a material collecting conveying machine on a ground and to facilitate a conveying of the conveying machine at relocation of a material-collecting site. SOLUTION: The material-collecting conveying machine is provided with a conveying machine body (4) which is travelably mounted to a pulling back lanyard (38) extending between respective guide blocks for an original pillar and an ahead pillar and to which an end of the pulling back lanyard (38) passed through the guide block for the ahead pillar and folded back is connected; a fixing means (6) for releasably fixing a traveling of the conveying machine body (4) to the pulling back lanyard (38); and a baggage hanging guide block (8) which is detachably mounted to the conveying machine body (4) and through which the a pulling lanyard (44) extending from a site of the original pillar is passed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a yard carrier for hanging a load such as wood on a rope.

[0002]

2. Description of the Related Art In the logging operation in forestry, a wire cable is erected between a main pillar and a front pillar, a carrier is movably attached to the rope, and wood is hung on the carrier.
A winch, which is a collecting machine, pulls or pulls back the carrier to convey the wood and collect the wood.

With reference to FIGS. 4 and 5, a typical example of a carrying device and a wood carrying method using the carrying device will be described. From the pull-back winch 30a of the gathering machine 30 to the original pillar 32 and the leading pillar 34.
A pullback line 38 extending between the guide pulleys 36, 37.
A carrier 40 is attached to the carriage so that it can move freely. This carrier 4
No. 0 includes a pair of upper and lower sheaves 40b and 40c on a main body 40a. The upper sheave 40b is movably hung on the pullback rope 38, and the pullback 37 is folded back through the sheave 37 of the front pillar 34 on the main body 40a. The end 39 of the rope 38 is connected.
A pulling rope 44 extending from the pulling winch 30b of the logger 30 is passed through the lower pulley 40c through a guide pulley 42 attached to the main pillar 32, and a loading hook 46 is attached to the tip thereof.
Is installed.

In order to convey the wood 48 to the gathering place 50 provided on the side of the main pillar 32, the winch driver first hoists the empty carrier 40 and the loading hook 46 up to the carrier 40, and pulls. The return line 38 and the pulling line 44 are tensioned and lifted in the air. Then, the pull-back rope 38 and the pull-in rope 44 are wound or unwound, and are sent to the vicinity of the lumber 48 carrying the carrier 40. When the carrier 40 reaches the target position, these cables are loosened and the carrier 40 is lowered to the ground. Unloaded transporter 4
The slinging worker near 0 prompts the winch driver to urge the pulling rope 44 to be sent out, and as shown by K1 in FIG. 4, pulls out the pulling rope 44 from the carrier 40 and conveys the timber 48. The wire 46 of the pulling rope 44 is dragged to the position, and the loading hook 46 is hooked on the wood 48.

When the loading hook 46 has been hooked on the wooden piece 48, the winch driver operates the pull-back winch 30a and the pull-in winch 30b to tension each other, and the timber 4
Lift 8 (state K2 in FIG. 4). Then, the pulling rope 44 is wound up, the pullback rope 38 is unwound, and the carrying device 40 on which the lumber 48 is hung is run on the pullback rope 38 to convey the lumber 48 to the gathering place 50.

[0006]

However, the conventional collecting material carrier having the above-mentioned configuration has the following problems to be solved.

(1) Wire hooking on wood: When hooking the loading hook 46 of the pulling rope 44 on the wood 48 to be conveyed, the wire of the pulling rope 44 is pulled out from the carrier 40 that has landed on the ground. Since the drag resistance of the wire and the weight of the wire itself have a large effect on pulling up to 48, a great deal of labor is required to handle the wire.

(2) Structure and mounting form of carrier: Some of the carriers have a winch inside to facilitate the handling of the wire, but this is costly and the size of the carrier is large. And the weight will increase. Figure 4
As shown by the chain double-dashed line, a pulling line 52 is tied to the carrying device 40, a guide pulley 54 is added to the original column 32, and the pulling device is pulled by a winch.
It is also possible to position the carrier in the air without dropping it on the ground, but it requires additional equipment and expenses such as installation of a new collecting machine and construction work.

(3) Carrying a carrier: A carrier for suspending wood is strong and heavy. Therefore, a large amount of labor is required to transport the carrier at the irregular gathering place when the gathering place is moved. In addition, there is a need to move the carrying device even when handling the wire such as hanging the wire on the wood, and thus it is desired to reduce the weight of the carrying device. If the carrying device is provided with a winch as described above, the weight becomes heavy and the carrying of the carrying device becomes more difficult.

The present invention has been made in view of the above facts,
The technical issue is to enable the handling of the wires for collecting the material without lowering the carrier to the ground, and also to facilitate the transportation of the carrier when moving the collecting place. It is to provide a carrier.

[0011]

The invention described in claim 1 is movably attached to a pullback line extending between the guide pulleys of the original pillar and the front pillar, and the guide pulley of the front pillar is passed through. A carrier body to which an end of the folded back pulling rope is connected,
The carrying device includes fixing means for releasably fixing the traveling of the carrier body to the pullback line, and a loading guide pulley through which the pulling line extending from the original pillar side is detachably attached to the carrying device body. It is a carrier for collecting material, characterized in that a load to be conveyed is hung on a pulling rope passing through a guide pulley.

[0012] The carrier body, which is hung on the pullback line and connected to the pullback line through the guide pulley, is fixed to the pullback line by the fixing means, regardless of the pulling line on which the load is loaded. In addition, the carrier body can be maintained in the air. Then, the wire can be easily handled by minimizing the drag on the ground. Further, since it is not necessary to provide a winch or the like, it is possible to simplify and reduce the weight of the carrier and facilitate the transportation.

According to a second aspect of the present invention, in the carrier for collecting material according to the first aspect, the carrier main body has a pulley portion that freely travels on the pullback rope, and is detachably attached to the pulley portion. And a main body portion to which the end of the pull-back cable and the loading guide pulley are attached.

Then, the carrier body is detachably attached to the pulley portion, and the guide pulley through which the pulling rope for loading is passed is detachably attached to the body portion so that each can be appropriately disassembled. Make it easy to transport the carrier.

According to a third aspect of the present invention, in the carrier for collecting material according to the second aspect, the main body is formed in a flat plate shape.

By forming the main body with a flat plate member, the structure can be simplified, the weight can be reduced, and the manufacture can be facilitated.

According to a fourth aspect of the invention, in the carrier for collecting material according to any one of the first to third aspects, the fixing means is capable of releasing the pull-back rope on the side of the original pillar, and A gripper that detachably grips and a connecting cable that connects the gripper to the carrier body are provided.The gripping device grips the pullback cable when the connecting cable is in a tensioned state, and releases the gripping when the cable is in a relaxed state. It is to be freely separated from the pullback line.

A simple and easy-to-operate gripper enables the carrier to be releasably and easily fixed to the pullback cable.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a carrier for collecting material constituted according to the present invention will be described in more detail with reference to the accompanying drawings illustrating preferred embodiments. 1 to
In FIG. 3, parts that are substantially the same as those in FIG. 4 are indicated by the same reference numerals.

Referring to FIG. 1 and FIG. 2, a collecting material carrier indicated by reference numeral 2 (hereinafter sometimes simply referred to as a carrier) according to the present invention includes a main pillar 32 and a front pillar 34, respectively. A carrier body 4 which is movably attached to a pullback line 38 extending between the guide pulleys 36 and 37, and to which the end 39 of the pullback line 38 folded back through the guide pulley 37 of the front pillar 34 is connected. The fixing means 6 for releasably fixing the traveling of the carrier body 4 to the pullback rope 38, and the pulling rope 44 extending from the guide pulley 42 removably attached to the carrier body 4 and attached to the original column 32 are passed through. The loading guide pulley 8 is provided.

The pull-back rope 38 and the pull-down rope 44, which are wire ropes, have one end on the gathering machine 30 installed on the side of the main pillar 32, and the pull-back rope 38 passes through the guide pulley 36 to the pull-back winch 30a. A pulling cord 44 is connected to the pulling winch 30b through a guide pulley 42 so as to be freely wound and unwound. Standing trees are used for the main pillar 32 and the front pillar 34, and the guide pulleys 36, 37 attached to each of them and the loading guide pulley 8 attached to the carrier body 4 are made of cast steel or special steel. It is a freely known pulley.

The carrier body 4 will be described with reference to FIG. 3 as well as FIG. The carrier body 4 includes a pulley portion 10 that freely travels on the pullback rope 38, and a body portion 12 that is detachably attached to the pulley portion 10 and to which the end of the pullback rope 38 and the loading guide pulley 8 are attached. ing.

The pulley unit 10 is provided with a pair of elliptical plate-shaped covers 10a and 10b which are spaced apart from each other, and the pulley 10c is interposed between the pins 10e via a ball bearing 10d.
It is rotatably attached to. Covers 10a, 10b
At the upper end side of the
It is sandwiched in parallel with the pin 10e, a bolt 10g is inserted therethrough, and is attached by a nut 10h. Cover 10a,
On the lower end side of 10b, in parallel with the pin 10e, the main body 12
There is provided a cylindrical spacer 14a for mounting a bolt, a bolt 14b and a nut 14c.

The main body 12 is formed by cutting a plate member into a substantially rhombic shape, and one of the corners is inserted between the lower ends of the covers 10a and 10b, and the through holes formed in the corners have the above-mentioned shape. The main body 12 is swingably attached in a pendulum shape through the cylindrical spacer 14a. The other three corners have three holes for hooking a well-known shackle for detachably connecting a wire rope or an instrument ring, a hole Y at the lower end, and holes X and Z above the hole. ing. The shackle hanger 8a of the loading guide pulley 8 is provided in the hole Y, and the front pillar 3 is provided in the hole X.
The end 39 of the pullback cord 38 from the 4 side is provided by the shackle 16, and the fixing means 6 is provided in the hole Z by the shackle 18.
Each is connected.

The fixing means 6 is a clamper 20 which is a gripper provided with a clamp portion 21 for releasably and removably gripping the pullback cord 38 on the side of the original column 32, and an end portion of the clamp lever of the clamper 20. And a connecting wire 22 which is a connecting cable having one end attached to the hole W. The other end of the connecting wire 22 is connected to the carrier body 4 as described above.
It is connected to the hole Z of the main body 12 by a shackle 18. The connecting wire 22 is formed of a bendable steel wire.

In the clamper 20, when the clamp portion 21 is hooked on the pullback rope 38 and the connecting wire 22 is pulled in the direction of the main body portion 12 of the carrier body 4 shown by the arrow P1, the tensioner tensions.
By the action of the clamp lever, the clamp portion 21 causes the pullback cord 3 to
8 is gripped and fixed to the pullback cord 38. Conversely connecting wire 2
When 2 is released and relaxed in the direction of the clamper 20 shown by the arrow P2, the grip of the clamp portion 21 is released, and the clamper 20 is automatically detached from the pullback line 38 and disengaged. This fixing means 6 is well known in overhead wire work and may be the same as or equivalent to that sold under the trade name "Chicago type clamper" by Taiyo Seiki Kogyo Co., Ltd., for example. The clamper 20 has such a weight and size that it can be easily hung on the pullback cord 38 by hand. The clamper 20 from which the clamp portion 21 is detached from the pullback line 38 is held by the carrying body 4 by the connecting wire 22.

The collecting operation using the carrier 2 will be described with reference to FIGS. 1 and 2.

(1) Positioning of the empty carrier: The winch driver pulls back the empty carrier 2 (with the clamper 20 removed) from which the timber 48 has been unloaded at the gathering place 50 on the side of the original pillar 32. 38 is wound up, and is pulled back toward the front pillar 34 at the end of the pullback rope 38 connected through the guide pulley 37 of the front pillar 34, and the pulling rope 44 is extended to a target position near the wood 48 to be conveyed. While sending. When the carrier 2 reaches the upper position of the target position, the winch driver cooperates with the sling operator to adjust the tension of the pullback rope 38, and moves the carrier 2 near the ground (for example, the shoulder height of the sled worker). ) Down to. At this stage, the slinging operator hooks the clamp portion 21 of the clamper 20 on the side of the original column 32 of the pullback rope 38. Then, when the winch driver slightly pulls up the pullback cable 38 (in the direction indicated by the arrow P3), the transporter 2 hung on the pullback cable 38 has the main body portion 12 thereof.
However, one side of the pull-back line 38 is directed toward the guide pulley 37 of the front pillar 34.
And the other side in the direction of the guide pulley 36 of the original column 32 by the clamper 20 and the connecting wire 22.
Is pulled through and is held in a state of being levitated in the air. This state is maintained regardless of whether the pulling rope 44 is wound or unwound.

(2) Wire hooking: The slinging operator pulls out the pulling rope 44 fed out or released from the braking by the winch driver to the position of the timber 48 to be conveyed, from the transporter 2 in the air. It is hung on the wood 48 (state of R1 in FIG. 1).

(3) Pulling timber to the carrying device and unclamping: When the lumber 44 is hooked on the timber 48, the winch driver pulls the drawing rope 44 to the take-up carrying device 2. Then, when the winch driver unwinds the retracted cord 38 in a tensioned state slightly (in a direction indicated by an arrow P4), the connecting wire 22 connected to the clamper 20 is slackened, and the clamper 20 automatically moves out of the retracted cord 38. Come off. Clamper 20
Is connected to the carrier 2 by the connecting wire 22,
It will not be dropped or lost. The next clamping work can be done easily.

(4) Transportation of wood to the gathering place: The winch driver winds up the pulling rope 44 and unwinds the pulling rope 38, and the carrier 2 (R2 in FIG. 1) on which the lumber 48 is hung. Status)
To the gathering place 50 on the side of the original pillar 32.

The operation and effect of the above-described material collecting carrier 2 will be described.

(1) Simplification of slinging work: By fixing the traveling of the carrier 2 to the pullback rope 38 by the clamper 20 of the fixing means 6, the carrier 2 is held at a position floating above the ground at the target position for hanging the lumber. can do. Therefore, the pulling rope 44 that is hung on the timber is in a state of hanging from the carry device 2 in the air, so that it is possible to perform work such as pull-out slinging, etc., more easily than pulling a wire around from a conventional carry device on the ground. . Therefore, labor saving in the collecting operation can be achieved.

(2) Easier transportation of the carrying device: In the carrying device 2, the pulley portion 10 and the main body portion 12 are pulled out of the bolts 14b, and the main body portion 12 and the loading guide pulley 8 are connected to each other. By removing the shackle hanger 8a, the clamper 2
0 and the main body portion 12 can be easily separated by removing the shackle 18, and the tip of the pullback cable 38 and the main body portion 12 can be easily separated from each other. It is possible to easily carry the carrier when moving the place.

(3) Lighter weight of the carrier: The carrier 2 is replaced by the pulley 1
Since it is composed of 0, a single-plate main body portion 12 and the loading pulley 8, the carrier 2 itself is also simplified and lightened. Therefore, for handling the wire, the movement is easy even when the movement of the carrier is required.

(4) Easy fixing of the carrier: Since the clamper 20 which is easy to operate is used as the fixing means 6 for fixing the traveling of the carrier 2 to the rope, the carrier 2 is fixed from the fixed gathering state. It can be easily switched to the transport state with the release. Further, since the clamper 20 is connected to the carrying device 2 by the connecting cable 22, it is not lost. The clamper 20 can be operated with one touch, and the carrier 2 is fixed to the pullback cord 38 so strongly that a load is applied via the connecting wire 22.

(5) Reduction of collecting cost: To reduce the collecting cost by simplifying the structure of the carrying device 2, facilitating the wire handling work, simplifying the overhead wire equipment, and facilitating the carrying of the carrying device. You can

The present invention has been described above in detail based on the embodiments. However, the present invention is not limited to the above embodiments, and various changes or modifications can be made within the scope of the present invention. Is. For example, in the present embodiment, standing trees are used as the main pillars 32 and the front pillars 34, but the main pillars and / or the front pillars are buried in the ground such as a hydraulic excavator work machine known as a tower yader. It goes without saying that an appropriate means such as an anchor, a temporarily built pillar, or a pillar on a vehicle may be used.

[0039]

According to the carrier for collecting material constructed according to the present invention, the wire for collecting material can be handled without lowering the carrier on the ground, and the carrier for moving the collecting place or the like. Provided is a transporter for collecting materials, which can be easily transported.

[Brief description of drawings]

FIG. 1 is an explanatory view of a collecting operation using a collecting material transporter configured according to the present invention.

FIG. 2 is an enlarged view of a portion of the collecting material carrier shown in FIG. 1A.

FIG. 3 is an enlarged cross-sectional view seen in the direction of arrow BB in FIG.

FIG. 4 is an explanatory view of a collecting operation using a conventional collecting carrier.

FIG. 5 is an enlarged view of a portion of the collecting material carrier shown in FIG. 4C.

[Explanation of symbols]

2: Carrying machine (carrying machine for collecting materials) 4: Carrier body 6: Fixing means 8: Loading guide pulley 10: Pulley section 12: Main body 20: Clamper 22: Connecting wire (connecting rope) 30: logging machine 32: Main pillar 34: Pillar 36: Guide pulley 37: Guide pulley 38: Pull back cable 40: Carrier 44: Pulling rope 48: Wood (load)

Claims (4)

[Claims] 1. A transporter which is movably attached to a pullback line extending between guide pulleys of a main column and a front column, and to which the ends of the pullback lines folded back through the guide pulley of the front column are connected. A main body, a fixing means for releasably fixing the traveling of the carrier body to the pullback line, and a loading guide pulley through which the puller line extending from the side of the original pillar is detachably attached to the carrier body, A carrier for collecting material, characterized in that a load to be conveyed is hung on a pulling rope that has passed through the load guide pulley. 2. The transporter main body includes a pulley portion that freely travels on a pullback rope, and a main body portion that is detachably attached to the pulley portion and to which the end of the pullback rope and the loading guide pulley are attached. The carrier for collecting materials according to claim 1, further comprising: 3. The carrier for collecting material according to claim 2, wherein the main body is formed in a flat plate shape. 4. The gripping device includes a gripper that releasably and detachably grips the pullback cord on the side of the main pillar, and a connecting cord that connects the gripper and the carrier body. The collecting carrier according to any one of claims 1 to 3, wherein the pulling cord is gripped when the connecting cord is in a tensioned state, and is released when the connecting cord is in a relaxed state and is freely separated from the pulling cord.