KR100889724B1 - Wood shredder - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wood shredder, the object of which is to quickly move to roads and rough terrain where the vehicle does not enter without relying on the towing of the vehicle to efficiently perform wood shredding.

The present invention for achieving this object, the body frame; A traveling device for driving the body frame; An input passage installed in the body frame to input waste wood; A discharge plate for blocking the open bottom of the input container and having a discharge port for discharging the waste wood introduced into the input container; A shredding roller installed at the outlet to shred the waste wood discharged to the outlet; Guide means for guiding the waste wood introduced into the input container to the outlet of the discharge plate; It is provided with a pressing means for further pressing the waste wood guided along the guide means toward the outlet.

Description

Wood shredders {WOOD CRUSHER}

1 is a side view showing the configuration of a wood crusher according to the present invention,

2 is a cross-sectional view taken along the line II-II of FIG. 1;

3 is a cross-sectional view taken along line III-III of FIG. 1;

4 is a perspective view showing in detail the input container constituting the wood shredder of the present invention,

Figure 5 is a side view showing a state in which the input container constituting the wood shredder of the present invention is tilted in one direction.

♣ Explanation of symbols for the main parts of the drawing ♣

10: body frame 20: driving device

22: Engine 24: Hydraulic Pump

25: Control Valve 26: Hydraulic Motor

27: caterpillar 30: input container

32: storage room 32a: inner wall

40: discharge plate 42: discharge port

50: crushing roller 52: cylindrical body

54: Crushing blade 55: Fixed bearing cross blade

60: guide means 62: guide plate (Guide Plate)

70: push piece 72: rotary motion means

73: hydraulic motor 74: guide board

75: power transmission means 80: shatterproof cover

90: sorting screen 100: discharge hopper

110: discharge conveyor 112: first conveyor portion

114: second conveyor portion 120: tilting means

122: Hinge Bracket 124: Tilt Cylinder

The present invention relates to a wood shredder, and more particularly, to a wood shredder that can efficiently move the wood shredding operation by quickly moving to roads and rough terrain where the vehicle does not enter without relying on the towing of the vehicle.

Wood shredder is a device for finely crushing waste wood, twigs, etc., the demand is increasing as the number of trees is increased and forestry is expanded. In particular, as the demand for shredded wood chips gradually increases, the demand for wood shredders also increases rapidly.

Such wood shredders include a frame that can be towed by a vehicle, a hopper to which waste wood and twigs (hereinafter referred to as "waste wood"), a shredding roller that shreds waste wood into the hopper, and And a discharge device for discharging the crushed wood chips.

However, such a conventional wood shredder is a structure towed by a vehicle, and therefore cannot move to roads and rough terrain where the vehicle cannot enter, that is, narrow and steep roads, and rough terrain such as swamps and mountainous terrain, and thus the vehicle. There is a problem that the wood crushing work is difficult from far away.

In particular, it is often necessary to shred thin trees in the mountains. In this case, since the movement to the mountains is difficult, there is a disadvantage in that the shredded trees (hereinafter, abbreviated as "thinning trees") cannot be shredded. Because of these drawbacks, there is a hassle of transporting thin trees to where wood chippers are located.

In addition, the conventional wood shredder has a disadvantage that the rotation of the shredding roller is stopped or the shredding roller is damaged and broken when a large amount of waste wood at one time is applied to the shredding roller, the wood shredding work is There is a problem that it is stopped.

In addition, the conventional wood shredder has the disadvantage that the injected waste wood hits the shredding blade of the shredding roller is scattered (飛散), due to this disadvantage that the worker near the shredder may be injured while hitting the scattered waste wood. have.

Accordingly, the present invention has been made to solve the above disadvantages, an object of the present invention is to provide a wood shredder that can move to the shredding work place while self-moving (Self Movable) without resorting to the towing of the vehicle.

Another object of the present invention is to provide a wood shredder that can quickly move to roads and rough terrain that the vehicle can not enter to perform the shredding operation of the waste wood.

Another object of the present invention is to provide a wood shredder that can prevent the overload phenomenon of the shredding roller due to the excessive input of waste wood by preventing the input of excessive waste wood.

Still another object of the present invention is to provide a wood crusher that can efficiently crush waste wood without interruption by preventing overloading of the crushing roller.

Another object of the present invention is to provide a wood shredder that can prevent the safety accidents caused by the scattered waste wood to be prevented in advance by preventing the thrown waste wood is scattered while hitting the shredding roller.

In order to achieve this object, the present invention, the body frame; A traveling device for driving the body frame; An input passage installed in the body frame to input waste wood; A discharge plate for blocking the open bottom of the input container and having a discharge port for discharging the waste wood introduced into the input container; A shredding roller installed at the outlet to shred the waste wood discharged to the outlet; Guide means for guiding the waste wood introduced into the input container to an outlet of the discharge plate; It characterized in that it comprises a pressing means for further pressing the waste wood guided along the guide means toward the outlet.

Preferably, the traveling device comprises an engine; A hydraulic pump driven by the engine; A control valve controlling a flow direction of the hydraulic oil discharged from the hydraulic pump; Both hydraulic motors driven by the hydraulic oil controlled by the control valve; It characterized in that it comprises an endless track that is installed on both sides of the body frame to drive while driving by each of the hydraulic motors.

And the shredding roller, the cylindrical body is rotatably installed in the vehicle body frame so that the upper portion protrudes to the upper portion of the outlet; Triangular pyramid-shaped shattering blades installed around the cylindrical body; It characterized in that it comprises a fixed support cross blade is installed on one side of the outlet so as to crush the waste wood discharged to the outlet while crossing the crushing blade.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a wood shredder according to the present invention.

First, referring to Figures 1 and 2, the wood shredder of the present invention, the body frame 10 is provided. The body frame 10 is composed of a relatively small size, such as a small truck of 2.5 tons or less in size. Therefore, narrow alleys, roads, mountain roads, rough terrain, etc. can be moved quickly.

And the wood chipper of the present invention is provided with a traveling device 20 for traveling the body frame 10.

The traveling device 20 controls the flow direction of the engine 22 installed in the body frame 10, the hydraulic pump 24 driven by the engine 22, and the hydraulic oil discharged from the hydraulic pump 24. Endless tracks installed on both sides of the body frame 10 so as to be driven by the control valve 25 to be driven, the hydraulic motor 26 of both the flow direction is controlled by the operating oil controlled, and the hydraulic motors 26, respectively. It consists of 27.

In particular, the crawler track 27 drives the body frame 10 while circulating by the hydraulic motor 26, and has a very good traction with the ground, thereby enabling rapid movement even in a severe and rough mountain road.

The control valve 25 is connected to the operation levers S1 in front of the driver's seat S. When the driver in the driver's seat S operates the operation lever S1, the control valve 25 is discharged from the hydraulic pump 24. Control the flow direction and flow rate of the working oil.

Therefore, by controlling the flow rate and the flow direction of the hydraulic oil introduced to both hydraulic motors 26, and by controlling the flow rate and the flow direction of the hydraulic oil, thereby adjusting the rotation speed and the rotation direction of the crawler tracks 27, accordingly To adjust the traveling speed and the driving direction of the body frame 10.

Again, referring to Figures 1 and 2, the wood shredder of the present invention, the cylindrical input cylinder 30 provided in the vehicle body frame 10, and the discharge plate 40 disposed below the input cylinder 30 Equipped.

As shown in Figs. 1 to 3, the input cylinder 30 is provided on the upper surface of the discharge plate 40 and includes an interior storage chamber 32. The inner storage chamber 32 accommodates waste wood, such as twigs and thin trees, which are introduced into the open top.

The discharge plate 40 blocks the open lower part of the storage chamber 32 and has a discharge port 42 in communication with the storage chamber 32. In particular, the discharge port 42 discharges the waste wood accommodated in the storage chamber 32 to the lower side. Here, the discharge port 42 is comprised so that it may be eccentric from the vertical center axis | shaft 1 of the storage chamber 32, as shown in FIG.

1 and 2 again, the wood shredder of the present invention includes a shredding roller 50 disposed at the outlet 42.

2 and 3, the crushing roller 50, the cylindrical body 52 rotatably installed in the vehicle body frame 10, and the triangular pyramidal shape crushing is installed around the cylindrical body 52 Consisting of blades 54. In particular, the shredding blades 54 are arranged in a plurality of rows along the longitudinal direction of the cylindrical body 52, and the shredding blades 54 of each row are spiraled along the longitudinal direction of the cylindrical body 52. Is arranged.

In the shredding roller 50, the upper portion thereof passes through the discharge port 42 of the discharge plate 40 and protrudes into the storage chamber 32. Therefore, the shredding blades 54 installed on the upper side also protrude into the storage chamber 32 on the upper surface of the discharge plate 40, and the protruding shredding blades 54 rotate the waste wood introduced into the storage chamber 32 while rotating. It is crushed while scraping down the outlet 42. In particular, while intersecting with the fixed support cross blade 55 is installed on one side of the outlet 42 to crush the waste wood.

On the other hand, the number of shredding blades 54 in each row is adjustable according to the size of the cylindrical body 52 and the size of the outlet (42). In addition, the shredding blades 54 in each row are arranged to be offset from each other with the shredding blades 54 in the other adjacent rows, as shown in FIG.

In addition, the fixed bearing intersecting blade 55 of the discharge port 42 that intersects the shredding blades 54, as shown in FIG. In particular, the grinding blade 54 and the interval t of the grinding roller 50 can be adjusted.

In this way, the fixed blade intersecting blade 55 that can be adjusted with the shredding blade 54, when the waste wood is shredded, it is possible to adjust the size of the shredded "wood chips". Here, the fixed support intersecting blade 55, the distance between the crushing roller 50 is adjusted, is fixed to the discharge plate 40 by the fastening bolt (55a).

Referring again to FIG. 1, the wood shredder of the present invention includes driving means for rotating the shredding roller 50.

The drive means is constituted by a hydraulic motor 56. The hydraulic motor 56 is operated by hydraulic oil introduced from the hydraulic pump 24. This hydraulic motor 56 rotates the shredding roller 50 at a high speed. Therefore, the shredding roller 50 can be shredded waste wood while rotating at a high speed.

On the other hand, the hydraulic motor 56 receives the controlled hydraulic oil from the control valve 25. Therefore, by adjusting the control valve 25, the operation and rotation speed is adjusted.

Referring back to FIG. 2, the wood shredder of the present invention is guide means 60 for guiding the waste wood introduced into the storage chamber 32 of the feed container 30 to the outlet 42 of the discharge plate 40. It is provided.

As shown in FIG. 2 and FIG. 3, the guide means 60 is composed of a plurality of guide plates 62 which are stepped on the lower side of the storage chamber 32.

The plurality of guide plates 62 are fixedly installed on the inner wall of the guide board 74, which will be described later, and are stepped stepwise toward the discharge port 42 from the open upper side of the storage chamber 32. In particular, the guide plates 62 are stepped on the outlet 42.

Since the guide plates 62 are stepped toward the discharge port 42, the waste wood introduced into the storage chamber 32 is guided to the discharge port 42. In particular, since the stepped stepped structure around the outlet 42, the injected waste wood can be introduced into the outlet 42 while sequentially moving along the guide plate 62.

On the other hand, these guide plates 62, the upper guide plate 62 is configured to be inclined at a predetermined angle toward the lower guide plate 62. This is to allow the injected waste wood to move naturally to the lower guide plate 62 while rolling by self-weight along the upper guide plate 62.

Again, referring to Figures 2 to 4, the wood shredder of the present invention is provided with a pressing means for pressing the waste wood injected into the guide plate 62 toward the outlet 42.

The pressurizing means is provided to pressurize the waste wood, which is introduced into the storage chamber 32 of the input container 30, toward the outlet 42. The pressing means discharges a plurality of push pieces 70 protruding at intervals on the inner wall surface 32a of the storage chamber 32 and waste wood into which the push pieces 70 are introduced into the storage chamber 32. While pushing in the (42) direction Rotational movement means 72 for rotating the injection barrel 30 so as to pressurize.
That is, the pressing means Composed of the push pieces 70 and the rotary movement means 72 for rotating the push pieces 70, waste wood introduced into the storage chamber 32 toward the outlet 42 Pushing It acts to pressurize.

The rotary motion means 72 is configured to transmit the rotational force of the hydraulic motor 73, the guide board 74 to support the injection cylinder 30 so as to be rotatable, and the hydraulic motor 26 to the injection cylinder 30. It consists of a power transmission means (75).

The hydraulic motor 73 is operated by the hydraulic oil introduced from the hydraulic pump 24, wherein the hydraulic oil of the hydraulic pump 24 is controlled by the control valve 25 (see FIG. 1). Therefore, by adjusting the control valve 25, the operation and rotation speed of the hydraulic motor 73 is adjusted.

The guide board 74 is disposed on the upper surface of the discharge plate 40, and guides the rotation of the feeding container 30. Guide board 74 is provided with a guide roller (74a) for guiding the smooth rotational movement of the input container (30).

The power transmission means 75 includes a drive sprocket 75a provided on the shaft of the hydraulic motor 73, a driven sprocket 75b provided around the injection cylinder 30, and a drive sprocket 75a and driven sprockets. It consists of a chain 75c which winds and connects 75b.

The rotary movement means 72 rotates the injection cylinder 30 to rotate the push pieces 70 protruding from the inner wall of the storage chamber 32. In particular, the push pieces 70 are rotated toward the outlet 42.

Therefore, the push pieces 70 can press the waste wood injected into the guide plate 62 in the direction of the discharge port 42, so that the pressurized waste wood smoothly along the stepped guide plate 62. Can be introduced into the outlet 42 while moving.

On the other hand, such rotational movement means 72, in some cases, for example, when an excessive amount of waste wood is introduced into the discharge port 42, may also rotate the feed cylinder 30 in reverse.

This is because when an excessive amount of waste wood is introduced into the outlet 42, the waste roller 50 may be overloaded due to the excess waste wood, and the shredding roller 50 may be damaged or broken due to the overload. This is to stop the waste wood introduced into the discharge port 42 by rotating the barrel 30 for a predetermined time.

The reverse rotation of the input container 30 may be operated intermittently at regular time intervals, or may be operated according to the operator's operation.

2 and 3 again, the wood shredder of the present invention includes a shatterproof cover 80 for preventing the waste wood introduced into the storage chamber 32 from colliding with the shredding roller 50 and scattering. .

Shatterproof cover 80, as shown in Figure 2, is configured to extend from the guide plate 62 toward the upper portion of the crushing roller 50. In particular, the scattering prevention buffer 80 extending in the rotational direction of the shredding roller 50 is configured to cover a portion of the upper side of the shredding roller 50.

Since the scattering prevention cover 80 partially covers the upper portion of the shredding roller 50, the waste wood that is introduced is blocked from being introduced into the upper portion of the shredding roller 50. Therefore, by preventing the waste wood introduced into the upper portion hit the crushing blades 54 of the shredding roller 50 to scatter, and preventing the scattering of the waste wood to prevent the safety accident caused by the scattered waste wood in advance Can be.

Referring again to FIG. 2, the wood shredder of the present invention includes a sorting screen 90 provided below the shredding roller 50.

The sorting screen 90 sorts only wood chips having a predetermined size or less among the wood chips crushed from the shredding roller 50, and then falls down, and is installed in a semi-circular shape around the lower surface of the shredding roller 50. .

The sorting screen 90 is formed by punching holes in a plate body having a predetermined thickness. Of course, a mesh in the form of a mesh may be used as the screening screen 90.

And the wood crusher of the present invention, the discharge hopper 100 for collecting and discharging the wood chips selected by the screening screen 90 together, the discharge conveyor 110 for discharging the wood chips dropped from the discharge hopper 100 It is provided.

Discharge hopper 100 is configured to surround the lower surface of the sorting screen 90, collects the wood chips passing through the sorting screen 90 together and discharged downward.

The discharge conveyor 110 is a belt conveyor, as shown in Figure 1, the first conveyor portion 112 is installed in the lower portion of the discharge hopper 100, and the second conveyor 112 is connected to the second Conveyor portion 114 is configured.

The discharge conveyor 110 discharges the crushed wood chips to the outside. In particular, it is discharged to the rear side of the body frame 10.

On the other hand, the second conveyor portion 114 is foldable with respect to the first conveyor portion 112. This is to enable rapid movement by reducing the length of the vehicle body when the vehicle moves.

In addition, the discharge conveyor 110 is operated by the hydraulic oil introduced from the hydraulic pump 24, wherein the hydraulic oil of the hydraulic pump 24 is controlled by the control valve 25. Therefore, by adjusting the control valve 25, the operation of the discharge conveyor 110 is adjusted.

4 and 5, the wood shredder of the present invention further includes a tilting means 120 that enables tilting the feeding container 30.

The tilting means 120 includes a guide board 74 supporting the input cylinder 30, a hinge bracket 122 rotatably connecting the guide board 74 with respect to the body frame 10, and a guide. Tilt cylinder 124 for tilting the board 74 around the hinge bracket (122).

In particular, the hinge bracket 122 allows the guide board 74 to be rotated with respect to the body frame 10, thereby allowing the input cylinder 30 supported by the guide board 74 to be tilted in one direction. .

The tilt cylinder 124 is operated by hydraulic oil introduced from the hydraulic pump 24 (see FIG. 1), wherein the hydraulic oil of the hydraulic pump 24 is controlled by the control valve 25 (see FIG. 1). Therefore, by adjusting the control valve 25, the operation of the tilt cylinder 124 is adjusted.

This tilting means 120, so that it is possible to tilt the input cylinder 30, it is possible to clean the storage chamber 32 of the input cylinder 30 clean. In particular, it is possible to shake off various waste wood debris, foreign matters and the like in the interior of the storage chamber (32).

Next, an operation example of the present invention having such a configuration will be described with reference to FIGS. 1 to 5.

First, a case of driving a vehicle will be described. Referring to FIG. 1, first, the engine 22 is operated. Then, the traveling operation lever S1 is operated. Then, the hydraulic oil of the hydraulic pump 24 is introduced into the hydraulic motor 26 for the tracked 27 on both sides while being controlled by the control valve 25, the introduced hydraulic oil operates the hydraulic motor 26, The hydraulic motor 26 rotates the crawler 27 on both sides. Thus, the vehicle starts to travel.

At this time, the driver controls the flow rate and flow direction of the operation oil introduced into the hydraulic motor 26 on both sides through the operation lever (S1). Then, the traveling speed and driving direction of the vehicle are adjusted.

Next, look at the case of crushing the waste wood. first. Stop the vehicle. At this time, of course, the engine 22 must be continuously operated.

In this state, the operation lever S1 is operated to operate the crushing roller 50, the feeding cylinder 30, the discharge conveyor 110, and the like. Then, waste wood such as twig tree, thinning tree, or the like is introduced into the open top of the input container 30.

Then, the waste wood introduced into the open top is introduced into the outlet 42 of the discharge plate 40 while moving downwardly along the stepped guide plates 62 as shown in FIGS. 2 to 4.

At this time, since the feed container 30 is rotated, the push piece 70 inside the feed container 30 presses the injected waste wood in the direction of the discharge port 42 below. Therefore, the injected waste wood smoothly moves along the guide plate 62 to the lower outlet 42.

On the other hand, the waste wood introduced into the discharge port 42 is crushed by the crushing blade 54 of the crushing roller 50. In particular, the shredding blade 54 and the fixed bearing intersecting blade 55 intersecting with each other is shredded into a small size of wood chips.

And the crushed wood chips fall down to pass through the sorting screen 90, passed through the wood chip is collected in the discharge hopper 100 and falls to the bottom, the fallen wood chips down the discharge conveyor 110 Is discharged to the rear of the vehicle through.

On the other hand, when an excess amount of waste wood is introduced into the shredding roller 50, the driver reversely rotates the feed container 30 for a predetermined time. Then, the waste wood moving to the shredding roller 50 is limited for a predetermined time. Therefore, the overload phenomenon of the shredding roller 50 due to the introduction of excessive waste wood is prevented, thereby preventing damage and breakage of the shredding roller 50.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

As described above, the wood shredder according to the present invention has its own driving force, so that the wood shredder can move to the shredding work paper without resorting to the towing of the vehicle.

In addition, since the present invention is equipped with a caterpillar traveling device, the road and rough road that the vehicle cannot enter can be moved quickly, and thus, the effect of quickly shredding the waste wood can be performed regardless of the place. have.

In addition, the present invention can eliminate the overload phenomenon of the shredding roller due to the excessive input of waste wood, there is an effect that can prevent the damage and the breakage of the shredding roller due to the overload phenomenon.

In addition, the present invention, because the structure is to prevent the input waste wood is scattered while hitting the shredding roller, there is an effect that can prevent in advance the safety accident caused by the scattered waste wood.

Claims (14)

Body frame 10 and; A traveling device 20 for driving the body frame 10; An input barrel 30 installed in the vehicle body frame 10 to input waste wood; A discharge plate 40 for blocking the open bottom of the input container 30 and having a discharge port 42 for discharging the waste wood introduced into the input container 30; A shredding roller 50 installed at the outlet 42 so as to crush the waste wood discharged to the outlet 42; Guide means (60) for guiding the waste wood introduced into the input container (30) to the discharge port (42) of the discharge plate (40); A plurality of push pieces (70) protrudingly formed at intervals on the inner wall surface (32a) of the input barrel 30 and the push pieces (70) can press the waste wood while pushing in the direction of the outlet 42 It consists of a rotary movement means 72 for rotating the input cylinder 30 so as to, characterized in that it comprises a pressing means for further pressing the waste wood guided along the guide means 60 in the direction of the outlet 42 Wood shredder. The method of claim 1, The traveling device 20, An engine 22; A hydraulic pump 24 driven by the engine 22; A control valve 25 for controlling the flow direction of the hydraulic oil discharged from the hydraulic pump 24; Both hydraulic motors 26 driven by the operating oil controlled by the control valve 25; Wood crusher, characterized in that it comprises a track 27 which is installed on both sides of the body frame (10) to drive while driving by each of the hydraulic motors (26). The method of claim 1, The shredding roller 50, A cylindrical body 52 rotatably installed on the body frame 10 so that an upper portion protrudes upward of the outlet 42; Shredding blades 54 are installed around the cylindrical body 52; Wood shredder comprising a fixed support intersecting blade 55 is installed on one side of the discharge port 42 so as to crush the waste wood discharged to the discharge port 42 while crossing the crushing blade 54. . The method of claim 3, wherein The shredding blade 54, Arranged in a plurality of rows along the longitudinal direction of the cylindrical body 52, the shredding blades 54 of each row are arranged in a spiral along the longitudinal direction of the cylindrical body 52, the other adjacent A wood shredder characterized in that it is arranged to be offset from each other. The method according to claim 3 or 4, The fixed support cross blade (55), wood shredder, characterized in that configured to be able to adjust the gap with respect to the shredding blade (54). The method according to any one of claims 1 to 4, The guide means 60, Wood shredder, characterized in that the plurality of guide plates (62) disposed in the interior of the feed bin (30) so as to stepped stepped toward the outlet (42) from the top of the feed bin (30). The method of claim 6, The guide plates 62, Wood stepper, characterized in that arranged stepped around the outlet 42, the upper guide plate 62 is inclined at a predetermined angle toward the lower guide plate 62. The method of claim 1, The rotation means 72, the hydraulic motor 73, the guide board 74 for supporting the injection cylinder 30 so as to be rotatable, and the rotational force of the hydraulic motor 73 to the injection cylinder 30 Wood shredder comprising a power transmission means for transmitting to (75). The method of claim 8, The rotation means 72, When an excessive amount of waste wood is introduced into the outlet 42, the wood crusher, characterized in that for stopping the waste wood introduced into the outlet 42 by a reverse rotation for a predetermined time for a predetermined time . The method according to any one of claims 1 to 4, It further includes a shatterproof cover 80 that partially covers the upper portion of the shredding roller 50 to prevent the waste wood introduced into the feed barrel 30 to hit the upper portion of the shredding roller 50 to be scattered. Wood shredder, characterized in that. The method of claim 1, Wood chipper, characterized in that it further comprises a sorting screen (90) for sorting only the wood chips of a predetermined size or less among the wood chips shredded from the shredding roller (50). The method according to claim 1 or 11, wherein Wood shredder, characterized in that it further comprises a discharge hopper (100) for collecting and crushing the wood chips crushed from the shredding roller (50). The method of claim 1, Further comprising a discharge conveyor 110 for discharging the wood chips crushed from the shredding roller 50, The discharge conveyor 110 is composed of a first conveyor portion 112 which is installed on the lower side of the shredding roller 50, and a second conveyor portion 114 connected to the first conveyor portion 112, the A wood crusher, characterized in that the second conveyor (114) is foldable relative to the first conveyor (112). The method of claim 1, It is further provided with a tilting means 120 for tilting the input cylinder 30 to one side to facilitate the internal cleaning of the input cylinder 30, The tilting means 120 rotates the guide board 74 supporting the feed container 30 and the guide board 74 with respect to the body frame 10 to tilt the feed container 30. Hinge bracket 122 for rotatably connecting the guide board 74 to the vehicle body frame 10 and a tilt cylinder 124 for tilting the guide board 74 about the hinge bracket 122. Wood shredder comprising a.

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