JP6153233B1 - Engaging device, collecting device, and collecting method - Google Patents

Abstract

An engagement device, a gathering device, and a gathering method that are easy to prepare in advance, improve the work efficiency of attaching a wire to a tree, and can reduce labor costs. A first wire 11, a second wire 21, a ring 4, and a hook 5 are provided. The hook 5 is attached to the tip of the first wire 11 and has a configuration that can be engaged with the ring 4. The rope to which the ring 4 is attached in the tree attachment process is attached to the tree A. In the arranging step, the second wire 21 is folded over the engaging material. The second wire 21 is passed through the ring 4 and the tip of the second wire 21 is attached to the hook 5 in the hook attachment step after the tree attachment attachment step and the placement step. After the hook attaching step, the second wire 21 is wound in the ring engaging step, and the hook 5 is engaged with the ring 4. After the ring engagement step, the first wire 11 is wound in the carrying step, and the harvested tree A is carried together with the ring 4. [Selection] Figure 1

Description

  The present invention relates to an engagement device, a material collecting device, and a material collecting method that can be used for collecting wood.

  Conventionally, a hydraulic excavator having a pair of winches is arranged, a first wire is wound around a stand tree via a pulley provided at the tip of the arm, and the carriage is movably suspended from the first wire. 2. Description of the Related Art A gathering device is known in which a hanging tool for tree harvesting is provided on two wires via a fixed pulley of a carriage (see, for example, Patent Document 1).

  Conventionally, as shown in FIG. 8, the first wire 83 is extended from one of a pair of winches 81 and 82 of the hydraulic excavator 80, is folded over a standing tree, and is attached to the first wire 83 so as to be movable by a pulley. The tip of the first wire 83 is attached to the carriage 84, the second wire 85 is extended from the other winch, and the tip of the second wire 85 is attached to the tree A via a pulley attached to the carriage 84. A method of collecting wood A is known.

Japanese Patent Laid-Open No. 7-304594

  In the gathering apparatus described in Patent Document 1 and the gathering method shown in FIG. 5, there is a problem that it takes time to prepare in advance for mounting the carriage and the like, and it takes time to attach to the wire every time the tree is transported. . In addition, there is a problem that labor costs are increased because it is necessary to arrange workers at the position of logging and the position of gathering.

  The present invention has been made paying attention to such problems, and is an engagement device that can be easily prepared in advance, can improve the work efficiency of attaching a wire to a tree, and can reduce labor costs. An object is to provide a material device and a material collecting method.

  In order to achieve the above object, an engagement device according to the present invention includes a ring and a hook, the hook includes an engagement portion and an opening / closing portion, and the engagement portion has a hook shape and opens. The opening / closing part is normally biased to close the opening, and is provided to be able to open / close to the engaging part so as to open inward when pressed from the outside, and the hook is a part of the engaging part Is inserted into the ring, and when the ring reaches the position of the opening / closing portion, the opening / closing portion opens inward and engages with the ring.

  In the engaging device according to the present invention, when a part of the engaging portion of the hook is inserted into the ring and the ring reaches the position of the opening / closing portion, the opening / closing portion opens inward and the hook engages with the ring. The hook can be engaged with the ring by pulling the hook into the ring. For this reason, if the rope to which the ring is attached is attached to the tree, the tip of the wire is attached to the hook through the wire and the wire is wound, the hook can be engaged with the ring. This makes it easier to prepare in advance than when a carriage is used, improves the work efficiency of attaching the wire to the tree, and reduces the labor cost required for the worker who attaches the wire to the tree.

In the engagement device according to the present invention, the ring has a main body and a coupling portion, the main body has a deformable spring elasticity and has a shape in which both ends are separated from each other, and the coupling portion has the both ends. It is preferable that it is configured to be foldable on one of the two sides, engage with the other of the both ends, and come off by deformation of the main body.
In this case, the ring can be removed from the hook by deforming the main body to disengage the coupling portion from the main body.

The engagement device according to the present invention includes an opening member, and the opening member has a through-hole through which the hook and the coupling portion of the ring can be inserted and the main body cannot be inserted, and the engagement portion When the hook engaged with the hook passes the opening member, the main body is stopped, the main body pulled by the hook is deformed to disengage the main body from the coupling portion, and the hook is removed from the ring. It is preferable to have an insertion port to be removed from the device.
In this case, the hook can be removed from the ring by pulling the hook engaged with the engaging portion through the through hole of the opening member, so that the ring is automatically removed from the hook at the place where the opening member is disposed. Can be removed.

In the engagement device according to the present invention, it is preferable that a roller is rotatably provided around the coupling portion.
In this case, the front end side of the hook is easily inserted into the ring, and the engagement between the hook and the ring can be facilitated.

  A lumber gathering device according to the present invention has the above-described engaging device, a first winch, and a second winch, and the main body of the ring has a configuration that can be attached to a rope attached to a tree. The first winch has a configuration capable of winding and unwinding the first wire, the first wire has the hook attached to the tip, and the second winch has a configuration capable of winding and unwinding the second wire. And the second wire extends through the ring and has a tip portion attachable to the hook.

  In the gathering device according to the present invention, the main body of the ring is attached to the tree with a rope, and the tip of the second wire extending through the ring is attached to the hook. The hook can be engaged with the ring by winding the second wire with the second winch and pulling the hook inside the ring. This makes it easier to prepare in advance than when a carriage is used, improves the work efficiency of attaching the wire to the tree, and reduces the labor cost required for the worker who attaches the wire to the tree. If the first wire is wound with the first winch, the harvested tree can be transported together with the ring.

In the gathering device according to the present invention, one of the first winch and the second winch is attached to an arm of a hydraulic excavator, and the other rotates with the rotation of an attachment attached to the tip of the arm to wind a wire. -It is preferable to have an unwindable configuration.
In this case, the wire can be wound and unwound using a configuration for rotating the attachment of the hydraulic excavator.

A lumber gathering method according to the present invention is a lumber gathering method using the above-mentioned lumber gathering device, wherein a lumber attaching step for attaching a rope to which the ring is attached to a tree is provided, and the hook of the first wire is a standing tree. Alternatively , an arrangement step of turning back over a stump , a hook attachment step of passing the second wire through the ring and attaching a tip of the second wire to the hook after the tree attachment step and the arrangement step, and the hook attachment After the step, the second wire is wound and a ring engaging step for engaging the hook with the ring, and after the ring engaging step, the first wire is wound and the carrying step for transporting the tree together with the ring. And a material collecting step of removing the ring from the hook after the carrying step.

  In this case, the hook can be engaged with the ring by pulling the hook into the ring. This makes it easier to prepare in advance than when a carriage is used, improves the work efficiency of attaching the wire to the tree, and reduces the labor cost required for the worker who attaches the wire to the tree.

  According to the present invention, it is possible to provide an engagement device, a gathering device, and a gathering method that are easy to prepare in advance, improve work efficiency of attaching a wire to a tree, and reduce labor costs. it can.

It is explanatory drawing which shows the material collection apparatus and material collection method of embodiment of this invention. It is the (A) front view and (B) side view which show the attachment of the excavator provided with the 1st winch and the 2nd winch of the gathering apparatus of embodiment of this invention. It is explanatory drawing which shows the material collection method by the material collection apparatus of embodiment of this invention. It is explanatory drawing which shows the material collection method by the material collection apparatus of embodiment of this invention. It is explanatory drawing which shows the (A) process 1, (B) process 2, and (C) process 3 of the material collection method by the material collection apparatus of embodiment of this invention. It is explanatory drawing which shows the (A) process 1 and the (B) process 2 of the material collection method by the material collection apparatus of other embodiment of this invention. It is a top view of the engaging apparatus of the material collecting apparatus shown in FIG. It is explanatory drawing which shows the conventional gathering method.

Hereinafter, various embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a gathering apparatus and a gathering method according to an embodiment of the present invention.
The gathering device has a first winch 1, a second winch 2, and an engagement device 3. The engagement device 3 includes a plurality of rings 4, hooks 5, and an opening member 6. As shown in FIG. 2, the first winch 1 and the second winch 2 are attached near the tip of the arm 71 of the hydraulic excavator 7. The hydraulic excavator 7 can be used as a forestry machine such as a grapple by exchanging attachments such as buckets. The first winch 1 has a configuration in which the first wire 11 can be wound and unwound by rotating together with the rotation of the attachment 72 attached to the tip of the arm 71 of the hydraulic excavator 7 by a switch operation. In this way, the first wire 11 can be wound and unwound using a configuration in which the attachment 72 of the hydraulic excavator 7 is rotated. This double winch can be set and used at low cost simply by performing simple electrical wiring using the attachment hydraulic piping of a general hydraulic excavator 7. In addition, the 1st winch 1 can be used even if it is the same as that of the 2nd winch 2 other than what winds and unwinds using rotation of the attachment 72. FIG. A pair of winches 81 and 82 of the hydraulic excavator 80 shown in FIG. 8 may be used as the first winch 1 and the second winch 2.

  The first winch 1 and the first wire 11 can pull a heavy object such as a tree harvesting A. The first wire 11 has a tip attached to the rear end of the hook 5. The second winch 2 has a configuration capable of winding and unwinding the second wire 21. The second wire 21 extends through the ring 4 and has a ring-shaped tip 21 a that can be attached to the hook 5.

  As shown in FIG. 3, each ring 4 has a main body 41 and a coupling portion 42. The main body 41 has a spring elasticity that can be slightly deformed, and has a U-shape separated between both ends. An attachment ring 43 for attaching to a rope attached to the tree A is fixed to the main body 41. The coupling portion 42 is attached to one end of the main body 41 so as to be bendable by a shaft member 44. The coupling portion 42 has a configuration that engages with the other end of the main body 41 and is detached by deformation of the main body 41. At both ends of the main body 41, protrusions 45 are provided on the outside. A roller 46 is rotatably provided around the coupling portion 42. The roller 46 facilitates the insertion of the front end side of the hook 5 into the ring 4 and facilitates the engagement between the hook 5 and the ring 4.

  As shown in FIG. 3, the hook 5 has an engaging part 51 and an opening / closing part 52. The engaging portion 51 has an opening 53 in the shape of a bowl with an intermediate portion swelled. The opening / closing part 52 is urged by a spring so as to close the opening 53 in a normal state, and one end of the opening / closing part 51 is provided to be openable and closable so as to open inward when pressed from the outside. The engaging part 51 has a shape whose tip side is smaller than the inner diameter of the ring 4 and larger than the inner diameter of the ring 4 at the position of the opening / closing part 52. As shown in steps 1 to 3 in FIG. 3, the hook 5 swells when the distal end side of the engaging portion 51 is inserted into the ring 4 and the ring 4 reaches the position of the opening / closing portion 52. However, the ring 4 pushes the opening / closing part 52 with the middle part as a fulcrum, and the opening / closing part 52 pushed by the ring 4 opens inward and engages with the ring 4. As shown in FIGS. 3 and 4, the distal end portion 21 a of the second wire 21 can be engaged with the engaging portion 51.

  As shown in FIG. 5, the opening member 6 is attached to an arm 71 in the vicinity of the attachment 72. The opening member 6 has a cylindrical shape, and the hook 5 and the coupling portion 42 of the ring 4 can be inserted, and the main body 41 of the ring 4 has a through hole 61 that cannot be inserted. The hook 5 and the first wire 11 extend from the rear end of the opening member 6 through the through hole 61. The opening member 6 has an insertion port 62 at one end. The insertion port 62 is inclined to guide from the front end side to the rear end side. As shown in FIGS. 5A to 5C, the insertion port 62 engages with the protrusion 45 of the main body 41 of the ring 4 when the hook 5 engaged with the engaging portion 51 passes through the opening member 6. The main body 41 is stopped, the main body 41 pulled by the hook 5 is deformed to disengage the main body 41 and the coupling portion 42, and the aperture is set to remove the hook 5 from the ring 4.

  The hook 5 may have the configuration shown in FIGS. The hook 50 has a base 50a and a hook main body 50b, and the hook main body 50b is attached to the base 50a so as to be rotatable in the engaging direction by a shaft member 50c. The foot main body 50b has an engaging part 51a and an opening / closing part 52a. A ring member 50d is fixed to the rear end of the base 50a, and the tip of the first wire 11 is attached to the ring member 50d. A mounting hole is provided at the tip of the base 50a. The tip 21a of the second wire 21 is bent in a hook shape and is detachably engaged with the mounting hole of the base 50a. As shown in FIGS. 6 (A) and 6 (B), the hook 50 is inserted into the ring 4 from the distal end side of the base portion 50a to the inside of the ring 4 so that the ring 4 reaches the position of the opening / closing portion 52a. When this is done, the opening / closing part 52 a pushed by the ring 4 opens inward, and the engaging part 51 a engages with the ring 4. The base 50a is provided with a slot into which the tip of the engaging portion 51a is inserted when the engaging portion 51a engages with the ring 4.

A gathering method using a gathering device includes a tree-mounting attachment process, an arrangement process, a hook attachment process, a ring engagement process, a transporting process, and a gathering process.
As shown in FIG. 1, the rope to which the main body 41 of the ring 4 is attached is attached to the tree A in the tree attachment process. The rope is preferably tied to the base side of the tree A. A plurality of rings 4 are prepared and attached to a plurality of trees A with ropes one by one.

  In the placement step, the second winch 2 is operated to unwind the second wire 21, hold the distal end portion 21 a of the second wire 21, and stretch the second wire 21 so as to be folded over the engagement material B. The operator who extends the second wire 21 may also serve as the operator of the hydraulic excavator 7. A stump can be used for the engaging material B.

  As shown in FIGS. 3 and 4, after the tree attachment process and the arrangement process, as shown in FIGS. 3 and 4, the second wire 21 is manually passed through the ring 4, and the tip of the second wire 21 extends through the ring 4. The part 21 a is attached to the hook 5.

  In the ring engaging step, the second winch 2 is operated to wind the second wire 21, and the hook 5 can be engaged with the ring 4 by pulling the tip end side of the hook 5 into the ring 4. After the ring engagement step, the first winch 1 can be operated to wind the first wire 11 and the tree A can be carried together with the ring 4 in the carrying step.

After the carrying process, the ring 4 is removed from the hook 5 in the collecting process. At this time, by passing the hook 5 through the through hole 61 of the opening member 6 and pulling the hook 5 with the wire 11, the main body 41 is deformed to disengage the main body 41 and the coupling portion 42, and the hook 5 is connected to the ring 4. Can be removed. For this reason, the ring 4 can be automatically detached from the hook 5 in the vicinity of the arm 71 to which the opening member 6 is attached.
After removing one ring 4 from the hook 5, a plurality of trees A attached to the ring 4 can be gathered one after another by sequentially repeating the ring engaging process, the transporting process, and the gathering process. it can.

  Conventionally, an operator, a worker who attaches the tree A to the carriage, and a worker who removes the tree A from the carriage are required. Also, it took time and effort to prepare the carriage. On the other hand, in the gathering method according to the embodiment of the present invention, if the operator of the hydraulic excavator 7 performs the placement process of extending the second wire 21, the gathering work can be performed by one person.

  Further, the second wire 21 is extended using a stump, the second wire 21 is passed through the ring 4 attached to the harvesting tree A with a rope, and the tip 21a is attached to the first hook 5 so that the preparation of the gathering can be performed. It becomes possible. Therefore, preparation in advance becomes easier than in the case of using a conventional carriage, the work efficiency of attaching the wire to the tree A is improved, and the labor cost required for the worker attaching the wire to the tree A is reduced. Can do. Furthermore, the gathering method can be carried out efficiently by using the gathering device.

A Tree B B Engagement material 1 First winch 2 Second winch 3 Engagement device 4 Ring 5 Hook 6 Opening member 7 Hydraulic excavator 11 First wire 21 Second wire 21a Tip portion 41 Main body 42 Coupling portion 43 Mounting ring 44 Shaft material 45 Protrusion 46 Roller 50 Hook 50a Base 50b Hook body 50c Shaft member 50d Ring member 51 Engaging portion 52 Opening and closing portion 53 Opening 61 Through hole 62 Insertion port 71 Arm 72 Attachment 80 Hydraulic excavator 81, 82 Winch 83 First wire 84 Carriage 85 Second wire

Claims (7)

Having a ring and a hook,
The hook has an engaging part and an opening / closing part,
The engaging portion has a hook shape and has an opening,
The opening / closing part is urged to close the opening in a normal state, and provided to be openable / closable to the engagement part so as to open inward when pressed from the outside.
The hook has a configuration in which a part of the engagement portion is inserted into the ring and the opening / closing portion opens inward to engage with the ring when the ring reaches the position of the opening / closing portion. ,
A featured engagement device. The ring has a main body and a coupling portion, the main body has a deformable spring elasticity and has a shape in which both ends are separated from each other, and the coupling portion is provided to be bent at one of the both ends. , Having a configuration that engages with the other of the both ends and comes off due to deformation of the main body,
The engagement device according to claim 1, characterized in that: The opening member has a through-hole through which the hook and the coupling portion of the ring can be inserted, the body has a non-insertable through-hole, and the hook engaged with the engaging portion is opened. Having an insertion port for stopping the main body when passing through a member, deforming the main body pulled by the hook to disengage the main body and the coupling portion, and removing the hook from the ring;
The engagement device according to claim 2, wherein   The engagement device according to claim 1, 2, or 3, wherein a roller is rotatably provided around the coupling portion. An engagement device according to claim 1, 2, 3 or 4, a first winch and a second winch,
The main body of the ring has a configuration that can be attached to a rope attached to a tree;
The first winch has a configuration capable of winding and unwinding a first wire, and the first wire has a hook attached to a tip thereof.
The second winch has a configuration capable of winding and unwinding a second wire, and the second wire extends through the ring and has a tip portion that can be attached to the hook.
Characteristic gathering device. One of the first winch and the second winch is attached to an arm of a hydraulic excavator, and the other has a configuration capable of winding and unwinding a wire by rotating with the rotation of an attachment attached to the tip of the arm. The
6. A material collecting device according to claim 5, wherein A gathering method using the gathering device according to claim 5 or 6,
A tree attachment process for attaching a rope with the ring attached to a tree,
Placing the second wire over a tree or stump ; and
A hook attaching step of passing the second wire through the ring and attaching a tip of the second wire to the hook after the tree attachment attaching step and the arranging step;
After the hook attaching step, a ring engaging step of winding the second wire and engaging the hook with the ring;
After the ring engagement step, the carrying step of winding the first wire and carrying the harvested tree together with the ring;
After the carrying step, a material collecting step of removing the ring from the hook,
A lumbering method characterized by comprising:

Images