JP2007125500A - Branch and leaf crushing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a branch and leaf crushing machine capable of simplifying a sound-proof structure and accomplishing space-saving. <P>SOLUTION: A throwing hopper 53 is provided with a communication opening 70 for communicating the throwing hopper 53 and a crushing machine body 5 at a front end and is provided with a branch and leaf throwing opening 75 thrown with branches and leaves at a rear end. The communication opening 70 is partitioned to a first opening 72 and a second opening 71 by a partition member 90 provided inside of the throwing hopper 53. The inside of the throwing hopper 53 is partitioned to a first space 74 provided with the first opening 72 and fed with the branches and leaves and a second space 73 provided with second opening 71 to communicate with the crushing machine body 5. Accordingly, by providing a sound-absorption material 80 in the second space 73, a crushing sound can be absorbed in the throwing hopper 53 and the sound-proof structure can be simplified as compared with the conventional one. A sound-proof apparatus occupying a place is dispensed with and space-saving can be accomplished. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a branch tree pulverizer.

  2. Description of the Related Art Conventionally, a branch-and-leaf tree crusher that crushes branches and leaves of a pruned tree is known (for example, Patent Document 1). Among such branch and tree pulverizers, the small type used particularly in orchards has an engine room and a pulverizer body driven by the engine in the engine room above the crawler type lower traveling body. The pulverizer body is equipped with a charging hopper for charging the branches and leaves, a pulverizing blade for pulverizing the branches and leaves from the charging hopper, a shooter for discharging the pulverized pieces crushed by the pulverizing blade, and the like. It is configured.

Japanese Patent Laying-Open No. 2005-88369 (pages 5-7)

  By the way, such a small branch-and-leaves pulverizer is often used for orchard and park maintenance in residential areas, so it is necessary to take measures against noise in the vicinity. Therefore, a conventional medium-sized machine class branch and leaf pulverizer includes a sound reduction duct having a sound absorption function provided so as to protrude outward from the charging hopper. However, in the case of a small size, such a soundproof structure is complicated and difficult to apply because it takes up space.

  An object of the present invention is to provide a branch-and-leaves tree crusher that can simplify a soundproof structure and can realize space saving.

  A branch-and-leaves tree pulverizer according to claim 1 of the present invention includes a pulverizer main body for pulverizing the branches and leaves, and a charging hopper for charging the branches and leaves into communication with the pulverizer main body. A partition member that is arranged along the charging direction is provided to partition the internal space, and one space partitioned by the partition member is a first space that feeds branches and leaves into the pulverizer body, and the other space is The second space has a sound absorbing material inside.

  The branch and tree crusher according to claim 2 of the present invention is the branch and tree crusher according to claim 1, wherein a sheet-like member having sound absorbing performance is provided in the branch and tree input opening of the input hopper. It is provided so that a part may be interrupted | blocked.

  According to the invention of claim 1, since the sound absorbing material is provided in the second space, the amount of the pulverized sound generated in the pulverizer body transmitted to the second space through the second opening is The crushing sound that is absorbed in the second space and leaks to the outside is reduced. That is, since the branches and trees are put into the first space at the time of pulverization, the pulverization sound can be reduced by the branches and leaves in the first space, and the sound absorption in the second space can be reduced by the amount not reduced in the first space. The material absorbs sound. Therefore, the soundproof structure can be simplified as compared with the conventional case, and a space saving can be realized by eliminating the need for a soundproof device that takes up space.

  According to invention of Claim 2, since this sheet-like member is arrange | positioned so that the inside of the injection | throwing-in hopper may be block | closed, it can further reduce that these crushing sound leaks outside from a branch-and-leaves tree input opening.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an overall perspective view showing a branch tree pulverizer 1 according to the present embodiment from an obliquely upper side, and FIG. 2 is a side view of the branch tree pulverizer 1.
1 and 2, the branch tree pulverizer 1 includes a crawler-type lower traveling body 2, an engine room 3 disposed on the lower traveling body 2, and a rear side (right side in the drawing) of the engine room 3. The operation lever unit 4 is disposed, and a pulverizer body 5 is disposed on the right front side (left side in the drawing) of the engine room 3.

  The lower traveling unit 2 includes a pulley 21 that is belt-driven by an engine 31 in the engine room 3, and the rotation of the pulley 21 is transmitted to the left and right sprockets 22 via a transmission, and the sprocket 22, the front idler 23, The crawler 25 wound around the carrier roller 24 near the sprocket 22 rotates. Further, the pulley 21, the transmission, the idler 23, the carrier roller 24, and the like are attached to a metal lower frame 26 assembled in a planar frame shape.

  The engine room 3 is configured by a metal cover or the like that covers the engine 31 disposed therein, and includes a hatch 32 for maintenance of the engine 31 on the side and above. The output shaft 33 of the engine 31 protrudes into a gap between the pulverizer body 5 and the output shaft 33 is provided with a pulley 34 having a plurality of grooves. A belt 35 is wound around one groove of the pulley 34 and the pulley 21 of the lower traveling body 2, and the power of the engine 31 is transmitted as described above. Further, the power of the engine 31 is transmitted to the pulverizer body 5 by a belt 36 wound around another groove of the pulley 34 and a pulley 51 provided in the pulverizer body 5.

  The operation lever unit 4 includes a plurality of operation levers 41. As the operation lever 41, a traveling lever that moves forward, backward, and turns by a transmission switching operation of the lower traveling body 2, a clutch lever that operates a crushing clutch (not shown) that transmits and cuts power to the pulverizer body 5, and A backstop lever or the like for stopping the lower traveling body 2 from retreating unexpectedly is provided.

FIG. 3 is a side sectional view showing the main parts of the pulverizer body 5 and the charging hopper 53.
In FIG. 3, the pulverizer body 5 includes a box-shaped pulverizer frame 52 made of a metal plate. On the rear side of the pulverizer frame 52, an input hopper 53 for supplying the pruned branches and leaves is provided, and inside the pulverizer frame 52, a rotary rotor 54 for pulverizing the input branches and leaves is mounted. On the front side of the machine frame 52, a shooter 60 for discharging the crushed pieces crushed by the rotary rotor 54 and the fixed blade 55 downward and depositing them on the ground or the like is provided.

  In addition, the grinder main body 5 is provided with a drawing roller 56 and the like for drawing the branches and leaves that have been thrown into the throwing hopper 53 toward the rotary rotor 54. Although the rotation of the rotary rotor 54 is transmitted to the pull-in roller 56 via a sprocket and a chain, the rotation transmission mechanism is not directly related to the present invention, and thus detailed description thereof is omitted here. Hereinafter, the charging hopper 53 having the most characteristic configuration of the present invention will be described in detail.

  The charging hopper 53 is formed to expand so that the cross section gradually increases from the front (left side in FIG. 3) to the rear (right side in FIG. 3), and the communication opening that allows the inside and the grinder main body 5 to communicate with each other at the front end. 70, and a branch tree input opening 75 into which a branch tree is input at the rear end.

  The communication opening 70 is divided into a first opening 72 on the lower side and a second opening 71 on the upper side by a partitioning member 90 provided in the charging hopper 53 along the charging direction of the branches and leaves. The partition member 76 is provided in the charging hopper 53 with a first space 74 communicating with the pulverizer body 5 through the first opening 72 below the partition member 76, and the pulverizer body above the partition member 76. 5 and a second opening 73 communicating with the second opening 71 are provided. The branches and leaves that have been input to the input hopper 53 are fed into the pulverizer body 5 through the first space 74 and the first opening 72 and pulverized.

  Inside the second space 73, a sound absorbing material 80 is stuck on the upper surface of the partition member 90. As the sound absorbing material 80, a thick rubber sheet-like member or a sponge-like member such as foamed urethane resin is preferably used. By using such a sound absorbing material 80, a part of the pulverized sound generated by the drawing roller 56 and the rotary rotor 54 that is transmitted to the second space 73 through the second opening 71 is the second space 73. The pulverization sound that is absorbed inside and leaks outside through the branch tree input opening 75 is reduced accordingly. That is, in the first space 74 on the lower side, branches and leaves are introduced at the time of pulverization, so that the pulverization sound can be reduced by the branches and leaves in the first space 74, and the amount not reduced in the first space 74 can be reduced. Sound absorption is performed by the sound absorbing material 80 in the second space 73.

  As described above, in the present embodiment, the partition member 90 provided in the charging hopper 53 provides the first space 74 and the second space 73 for feeding branches and leaves into the charging hopper 53. The second space 73 is a space that was not provided in the conventional charging hopper. Therefore, by providing the sound absorbing material 80 in the second space 73, the pulverized sound that could not be reduced in the first space 74 can be absorbed by the second space 73 in the same charging hopper 53. Compared to the above, it is possible to simplify the soundproof structure and to eliminate the need for a soundproofing device that takes up space, saving space.

  In addition, a sheet-like member 81 having a sound absorbing performance made of thin rubber or the like is suspended at the upper end of the branch tree insertion opening 75 in a warm-up state in a bolted state. On the other hand, as shown in FIG. 1, the foliage charging opening 75 of the charging hopper 53 has a substantially rectangular shape, and the base 86 is formed with inclined portions 76 on both sides of the central horizontal portion 85. . As shown in FIG. 4, the sheet-like member 81 having the slit 78 is also substantially rectangular, and the base 82 is formed with inclined portions 77 on both sides of the central horizontal portion 79. It corresponds to the shape.

In this way, the charging hopper 53 is formed with the inclined portion 76 and the corner 82 of the base 82 of the sheet-like member 81 is the inclined portion 77, so that the charging hopper 53 is tapered toward the pulverizer body 5. Even when the sheet-like member 81 is formed, the sheet-like member 81 is less likely to be caught on the inner side surface or the like of the branch-and-leaves tree loading opening 75 when turned by turning the branch-and-leaves tree, and the damage to the sheet-like member 81 can be prevented.
The shape of the sheet-like member 81 is formed so as to be substantially the same as the shape of the branch tree input opening 75 and is arranged so as to close the inside of the input hopper 53. Leakage can be further reduced.

In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the deformation | transformation etc. which are shown below are also contained in this invention.
For example, the sound absorbing material 80 may be affixed only to the upper surface side of the partition member 90, or may be affixed to a side surface portion in the second space 73, or provided in the second space 73. That's fine. Which region is attached may be arbitrarily determined in consideration of the shape of the charging hopper 53, the target noise level, and the like.

  INDUSTRIAL APPLICABILITY The present invention can be used for a branch-and-leaves tree crusher provided with a charging hopper into which branches and leaves are charged, and is particularly suitable for a small-sized branch-and-tree crusher.

1 is an overall perspective view showing a branch and tree pulverizer according to an embodiment of the present invention from obliquely above. A side view of a branch tree crusher. The sectional side view which shows the principal part of a grinder main body and a charging hopper. The front view which shows a sheet-like member.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Branch tree pulverizer, 5 ... Crusher main body, 53 ... Feeding hopper, 73 ... 2nd space, 74 ... 1st space, 80 ... Sound-absorbing material, 90 ... Partition member.

Claims (2)

A crusher body for crushing branches and leaves,
A charging hopper for charging the branches and leaves connected to the pulverizer body;
A partition member is provided in the charging hopper along the charging direction of the branches and leaves to partition the internal space, and one of the spaces partitioned by the partition member feeds the branches and leaves into the pulverizer main body. A branch-and-leaves tree pulverizer characterized in that it is a space, and the other space is a second space having a sound absorbing material therein. In the branch tree pulverizer according to claim 1,
The branch-and-tree crusher is characterized in that a sheet-like member having a sound absorbing performance is provided at a branch-and-tree input opening of the input hopper so as to block the branch-and-tree input opening.

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