JP2927713B2 - Tree crusher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crusher for trees and the like for crushing materials such as trees and straws to reduce the capacity.

[0002]

2. Description of the Related Art Trees such as trees, such as trees,
Some include a shredder hammer mechanism for crushing a material such as straw and a chipper knife mechanism. The shredder hammer mechanism is provided with a shredder hopper for loading trees and the like, and the chipper knife mechanism is similarly provided with a chipper hopper for loading trees and the like.

[0003] The shredder hammer mechanism is suitable for crushing relatively small trees and the like, for example, tree branches. The shredder hammer mechanism is designed to crush tree branches into chips by a plurality of hammers rotating around a main shaft. It has become.

[0004] The chipper knife mechanism is suitable for crushing relatively large trees, for example, tree trunks.
The tree trunk is crushed into chips by a cutter rotating around the main shaft.

[0005] Chips pulverized by a shredder hammer mechanism or a chipper knife mechanism are discharged to the outside by a blowing fan that is driven to rotate by a shaft different from the main shafts.

[0006]

However, in the above-mentioned conventional grinder for trees and the like, since the blower fan is constituted by a separate shaft from the main shaft of the shredder hammer mechanism and chipper knife mechanism, chips are collected and discharged. There are drawbacks of low efficiency and high cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a grinder for trees and the like which can efficiently collect and discharge chips and can reduce the cost. It is in.

[0008]

In order to achieve the above object, the present invention relates to a shredder hammer mechanism for crushing a tree or the like and a crusher for a tree or the like provided with a chipper knife mechanism, wherein the shredder hammer mechanism includes a tree or the like. A shredder hopper for feeding trees, a chipper hopper for feeding trees and the like to the chipper knife mechanism, a main shaft that coaxially connects the shredder hammer mechanism and the chipper knife mechanism, and is supported by the covers of both mechanisms and rotationally driven, and a shredder hammer. It is provided coaxially with the main shaft between the mechanism and the chipper knife mechanism,
A blower fan for discharging the crushed chips to the outside from the outlet of the blower cover connected to the cover via a duct, a centrifugal clutch provided at an end of the main shaft, and a centrifugal clutch connected to the centrifugal clutch via a power transmission device; A hydraulic pump for supplying hydraulic oil to a hydraulic motor for supplying shredder hoppers to the shredder hammer mechanism for supplying the hydraulic oil to the shredder hammer mechanism, and a switching lever for switching a direction of the hydraulic oil sent from the hydraulic pump are provided.

In the present invention, a relatively small tree or the like, for example, a tree branch is put into a shredder hopper and ground into chips by a shredder hammer mechanism. Also, for relatively large trees, such as tree trunks,
It is put into a chipper hopper and crushed into chips by a chipper knife mechanism. The chips pulverized in this manner are sucked by the blower fan and discharged to the outside.

[0010] Further, since the blower fan is located coaxially with the main shafts of the shredder hammer mechanism and the chipper knife mechanism, and is located between the shredder hammer mechanism and the chipper knife mechanism, the shredder hammer mechanism also provides a tipper knife mechanism. Can efficiently collect chips and discharge them to the outside. In addition, since the blower fan is provided coaxially with the main shaft, the cost can be reduced and the size can be reduced as compared with the case where the main shaft is formed with a separate shaft.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The crusher for trees and the like in this embodiment is a crusher for trees and the like provided with a shredder hammer mechanism 5 and a chipper knife mechanism 6 for crushing trees and the like, and a shredder hopper 7 for feeding trees and the like to the shredder hammer mechanism 5. A chipper hopper 8 for feeding trees and the like to the chipper knife mechanism 6, a main shaft 51 for connecting and rotating the shredder hammer mechanism 5 and the chipper knife mechanism 6 coaxially, and a section between the shredder hammer mechanism 5 and the chipper knife mechanism 6. A blower fan 10 is provided coaxially with the main shaft 51 and discharges crushed chips to the outside.

That is, the crusher for trees and the like is shown in FIGS.
As shown in the figure, it is movable by the wheel 1,
On the body frame 2, an engine 3 and this engine 3
There is provided a crusher 4 driven by.

As shown in FIG. 1, the pulverizing device 4 includes a shredder hammer mechanism 5 and a chipper knife mechanism 6, and the shredder hammer mechanism 5 has a shredder hopper 7
(See FIG. 3), and the chipper knife mechanism 6 is provided with a chipper hopper 8 (see FIG. 3). The shredder hammer mechanism 5 and the chipper knife mechanism 6 are covered by a cover 9.

The shredder hammer mechanism 5 is suitable for crushing a relatively small tree or the like, for example, a tree branch, and includes a main shaft 51 driven by the engine 3 and a plurality of couplings extending in a radial direction from the main shaft 51. A member 52, a hammer holding shaft 53 rotatably connected to these connecting members 52, and a hammer 54 rotatably provided on the hammer holding shaft 53 are provided. Each hammer 54 is held at a predetermined interval by a spacer 55 fitted to the hammer holding shaft 53. At one end of the hammer holding shaft 53, holding shaft fixing means 56 for fixing the hammer holding shaft 53 in the axial direction is provided.

The chipper knife mechanism 6 is suitable for crushing relatively large trees or the like, for example, tree trunks.
A disc 61 is coaxially connected to the main shaft 51, and a cutter 62 provided on the disc 61 is provided.

Further, the blower fan 10 is integrally formed with the disc body 61. That is, the blower fan 10
As shown in FIG. 2, it is constituted by a main shaft 51, a disk body 61, and a plurality (four in this embodiment) of plate blades 10a. The blade 10a is arranged at a position equally divided in the circumferential direction around the main shaft 51.
, And is provided perpendicularly to the disk body 61. A blower cover 11 having a cylindrical shape is provided on the outer periphery of the blower fan 10. This ventilation cover 1
1 is provided with an upward opening 11a at the top thereof, and this opening 11a is connected to the discharge duct 12 shown in FIGS. As shown in FIG. 1, the blower fan 10 is located between the shredder hammer mechanism 5 and the chipper knife mechanism 6, and is located in a space A for sucking and collecting chips.

Further, a centrifugal clutch 13 is provided at an end of the main shaft 51, as shown in FIG. The centrifugal clutch 13 is, as shown in FIG.
And the hydraulic pump 15 is connected to a hydraulic motor of a shredder hammer feed device (not shown). Shredder hammer feeder
The tree or the like put in the shredder hopper 7 is sent to the shredder hammer mechanism 5, and is driven by the hydraulic motor. The pressure of the oil sent from the hydraulic pump 15 to the hydraulic motor is adjusted by a safety valve so as to be less than the allowable transmission torque of the centrifugal clutch 13.

That is, even if a material such as a tree is clogged in the shredder hammer feeder and the discharge pressure of the hydraulic pump 15 reaches the relief pressure of the safety valve, the centrifugal clutch 1
3 does not slip, so that the durability of the centrifugal clutch 13 is improved. The power transmission mechanism 14
For other mechanisms for transmitting power, even if a force larger than the allowable transmission torque of the centrifugal clutch 13 is applied,
It is designed with a sufficiently large safety factor that it will not be damaged. In FIG. 3, reference numeral 16 denotes a feed direction switching lever. The feed direction switching lever 16 switches the direction of the oil flowing from the hydraulic pump 15 to the hydraulic motor, and forwards a material such as a tree put into the shredder hopper 7 to the shredder hammer mechanism 5 side, or It returns to the opposite direction.

In the crusher for trees or the like configured as described above, the main shaft 51 is driven to rotate at a high speed.
The shredder hammer mechanism 5, chipper knife mechanism 6, and blower fan 10 rotate at high speed. Then, in the shredder hammer mechanism 5, for example, a tree branch put into the shredder hopper 7 is instantaneously turned into chips by the hammer 54, and the chips are sucked by the blower fan 10 and move to the space A. Further, in the chipper knife mechanism 6, for example, a tree trunk input into the chipper hopper 8 is instantaneously turned into chips by the cutter 62, and the chips also move to the space A. Then, in the blower fan 10, the chips collected in the space A are continuously discharged to the discharge duct 1.
2. Discharge vigorously to the outside. For this reason, it is possible to easily load chips in a truck, pack them in a bag, or spread them on the ground in a short time.

Since the blower fan 10 is located coaxially with the main shaft 51 of the shredder hammer mechanism 5 and the chipper knife mechanism 6, and is located between the shredder hammer mechanism 5 and the chipper knife mechanism 6, the shredder hammer is provided. The chips can be efficiently collected from the mechanism 5 and the chipper knife mechanism 6 and discharged to the outside. In addition, since the blower fan 10 is provided coaxially with the main shaft 51, the cost can be reduced and the size can be reduced as compared with the case where the main body 51 and a separate shaft are used. .

Although the chipper knife mechanism 6 is not provided with a feeder, a feeder similar to the shredder hammer feeder may be provided.

[0022]

According to the present invention, the blower fan is located coaxially with the main shafts of the shredder hammer mechanism and the chipper knife mechanism, and is located between the shredder hammer mechanism and the chipper knife mechanism. The chips can be efficiently collected from the mechanism and the chipper knife mechanism and discharged to the outside. In addition, since the blower fan is provided coaxially with the main shaft, the cost can be reduced and the size can be reduced as compared with the case where the fan is configured with a shaft different from the main shaft.

[Brief description of the drawings]

FIG. 1 is a side view of a main part of a crusher for trees and the like shown as an embodiment of the present invention.

FIG. 2 is a view showing a crusher for trees and the like, which is shown in FIG.
Sectional drawing along the II line.

FIG. 3 is a rear end view showing the crusher for trees and the like.

FIG. 4 is a side view showing a crusher for trees and the like.

[Explanation of symbols]

 5 Shredder hammer mechanism 6 Chipper knife mechanism 7 Shredder hopper 8 Chipper hopper 10 Blower fan 51 Main shaft

Claims (1)

(57) [Claims] A shredder hammer mechanism for crushing a tree or the like and a tree crusher provided with a chipper knife mechanism, wherein a shredder hopper for charging a tree or the like to the shredder hammer mechanism and a tree or the like to the chipper knife mechanism. A chipper hopper, a main shaft that coaxially connects the shredder hammer mechanism and the chipper knife mechanism and is supported and rotated by the covers of both mechanisms, and is coaxially provided on a main shaft between the shredder hammer mechanism and the chipper knife mechanism; A blower fan for discharging the crushed chips to the outside from the outlet of the blower cover connected to the cover via a duct, a centrifugal clutch provided at an end of the main shaft, and a centrifugal clutch connected to the centrifugal clutch via a power transmission device; Hydraulic oil that feeds pressure oil to a hydraulic motor for supplying shredder hoppers to the shredder hammer mechanism. Pump and, trees etc. pulverizer, characterized in that it comprises a switching lever for switching the direction of pressure oil sent from the hydraulic pump.