JPH10100110A - Branch wood grinding apparatus and vehicle for construction fitted therewith - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a branch wood grinding apparatus easy to move and capable of providing other use to the mobile member used in its movement and a vehicle for construction fitted therewith. SOLUTION: A fork lift device 4 is attached to the front part of a wheel loader 1. A sheath 7 into which the pawls of forks 5 can be inserted is fixed to the lower end part of a branch wood grinding apparatus 6, pin attaching holes 7b are opened to a pair of protruding parts 7a being both side wall rear parts of the sheath 7, and a pin 7 is provided so as to be capable of piercing both pin attaching holes 7b. The oil pressure hose of the hydraulic motor in the branch wood grinding apparatus 6 is connected to the oil pressure hose on the side of a load wheel in a detachable manner through a quick joint 17. The oil pressure hose on the side of the load wheel is connected to the oil pressure source for driving the fork lift device 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch wood crushing device for crushing branch wood into chips and a construction vehicle equipped with the branch wood crushing device equipped with the branch wood crushing device.

[0002]

2. Description of the Related Art Pruned branches generated by landscaping, orchards, and pruning of street trees, and timber produced by landscaping, maintenance and management of green spaces, and the like are crushed into chips to reduce the volume of waste in the disposal process. In order to perform the fermentation treatment or to recycle the pulverized material as an organic fertilizer, a branch wood pulverizing apparatus is used.

[0003] This branch wood crushing device is conventionally
It is generally used in the following forms:
That is, the branch wood crusher itself does not run. In other words, it is used as it is in a stationary state, or a wheel is provided at the lower part of the apparatus, and a dedicated vehicle prepared separately is driven to move by itself.

[0004] Or, a form in which the branch wood crushing device itself runs by itself. That is, the branch wood crushing apparatus main body is installed on a traveling body such as a crawler-type traveling apparatus, and the traveling body is driven to be able to self-travel. In the case of this self-propelled type, the traveling internal combustion engine is also used as a drive source for driving the branch wood grinding device.

[0005]

The reduction of the volume by pulverizing the pruned branches and the like into chips by a branch wood pulverizing apparatus can be carried out at a waste disposal plant or reused as organic fertilizer as it is. In addition, the transportation can be labor-saving and cost-saving as compared with the case where the pruned branch remains.

Therefore, it is most effective to use the branch wood crushing device at the site where pruned branches are generated. For this purpose, the branch wood crushing device needs to be easily moved. Looking at the above-mentioned conventional form from this viewpoint, there is a problem that the above-mentioned form is not easy to move.

[0007] It is uneconomical to always provide a traveling body as in the above embodiment. In other words, the use of the branch wood crushing apparatus is often limited to seasonal or intermittent work such as tree pruning work and green space maintenance work, and there is a problem that the traveling body has an expensive additional function.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is a branch wood crushing apparatus which can be easily moved and which can be used for a moving body which moves the apparatus for other purposes.
Another object of the present invention is to provide a construction vehicle with a timber crushing device.

[0009]

In order to solve the above-mentioned problems, a branch wood crushing device according to the present invention comprises an insertion portion into which a fork of a forklift can be inserted, and a lock mechanism for restraining the fork in the insertion portion. It is characterized by having.

According to the branch wood crushing apparatus of the present invention, the fork is raised by running the vehicle equipped with the fork by inserting the claw of the fork into the insertion portion and operating the lock mechanism. The timber crushing device is easily transported, and a dedicated traveling device for movement is not required.

Next, a construction vehicle with a branch wood crushing device according to a second aspect is a construction vehicle in which a forklift device having a mast structure is mounted on a front portion of a vehicle body, and the forklift device has a branch according to the first aspect. A wood crushing device is attached, and the branch wood crushing device can be driven by a drive source for driving the forklift device.

According to the present invention, by driving the construction vehicle, the branch wood crushing device can be moved and the drive source of the forklift device is diverted, so that a dedicated drive source for the branch wood crushing device is not required. Become. As a result, it is possible to reduce the size and weight of the branch wood crushing device, further facilitate movement of the branch wood crushing device, and reduce the cost of the branch wood crushing device.

Here, when using the branch wood crushing device, the forklift device is stopped and used, so that there is no problem even if the drive source of the forklift device is diverted. In the case of a wheel loader, for example, large low-pressure tires are mounted on a construction vehicle so that the vehicle can travel and work on uneven or soft terrain, and the minimum ground clearance of the vehicle is high. It is driven.

Therefore, by diverting a construction vehicle as a traveling device of the branch wood crushing device, it is more effective than a forklift truck for transporting and working the branch wood crushing device on uneven terrain.

[0015] Landscaping using a branch wood crusher,
Orchards, landscaping, green tracts and other sites are generally uneven. Next, the invention according to claim 3 is the construction vehicle with the branch wood crushing device according to claim 2, wherein the hydraulic hose connected to a hydraulic source that is a drive source for driving the forklift device and the branch wood crushing device are driven. And a hydraulic hose of the hydraulic motor to be connected by a detachable joint, for example, a quick joint.

According to the present invention, since the hoses of the hydraulic source for driving the forklift device and the hydraulic motor as the actuator of the branch wood crusher are connected to each other by a detachable joint, the joint is detached. By that
The timber crushing apparatus and the construction vehicle can be easily separated and connected.

[0017]

Next, embodiments of the present invention will be described with reference to the drawings. Here, FIG. 1 is a side view showing a construction vehicle with a branch wood crusher of the present embodiment, FIG. 2 is a partially enlarged view showing a relationship between a lower portion of the branch wood crusher and a fork claw, and FIG. It is a figure showing connection of a hydraulic circuit of a wood crushing device and a forklift device.

First, the construction will be described. The construction vehicle according to the present embodiment is a wheel loader 1 equipped with a large low-pressure tire 2 on a vehicle body 3 so as to be able to travel and work on uneven ground or soft ground. And its body front 3
Instead of the bucket device, a forklift device 4 having a mast structure is exchangeably attached as an attachment.

Further, a sheath 7 into which the claw of the fork 5 can be inserted is provided at the lower end of the branch wood crushing device 6, and the sheath 7 constitutes an insertion portion. The sheath 7 is horizontally arranged so that the claw of the fork 5 can be inserted from the rear to the front of the branch wood crushing device 6.

As shown in FIG. 2, both side walls of the sheath 7 extend so as to protrude below the rear end of the inserted fork 5, and a pair of protruding portions 7a ,
A pin mounting hole 7b is opened at the opposing portion. A pin 8 that can penetrate between the pin mounting holes 7b is provided, and the pin 8 is mounted between the pin mounting holes 7b, so that the fork 5 inserted into the sheath 7 does not come off from the sheath 7. That is, the pin mounting hole 7b and the pin 8 constitute a lock mechanism.

A cutter wheel housing 9 is mounted on the upper part of the sheath 7, and a cutter wheel 10 is installed in the cutter wheel housing 9. The cutter wheel 10 is arranged with the drive shaft facing forward and backward, and a plurality of sharp rotating blades (not shown) are fixed on the front side thereof. In addition, 1.
A fixed blade (not shown) is attached to the inner surface of the cutter wheel housing 9 facing the cutter wheel 10 with a gap of about 5 mm. The fixed blades and the rotary blades can continuously pulverize the branch timber sent into chips.

An input path 11 is connected to the front of the cutter wheel housing 9. A feed drum 12 that rotates so as to feed the branch wood toward the cutter wheel 10 is provided in the input path 11.

A fan blade 13 is disposed at the rear of the cutter wheel 10. The fan blade 13 is fixed to a drive shaft of the cutter wheel 10 and rotates together with the cutter wheel 10.

A discharge chute 14 is connected to an upper portion of the cutter wheel housing 9. Further, the drive shaft of the cutter wheel 10 and the feed drum 1
The two drive shafts are connected to a hydraulic motor 15 via respective belt driving devices (not shown), and rotate at a high speed by driving the hydraulic motor 15.

Hydraulic hoses 16 are connected to the high-pressure side (suction port) and the low-pressure side (discharge port) of the hydraulic motor 15, respectively. As shown in FIG.
Each is detachably connected to the hydraulic hoses 18 and 19 of the wheel loader 1 via the quick coupling 17. The hydraulic hoses 18 and 19 on the wheel loader 1 side are connected to a hydraulic pressure source for driving the forklift device 4.

The hydraulic source (drive source) on the wheel loader 1 side connected to the hydraulic hoses 18 and 19 comprises two hydraulic pumps A and B driven by an engine 25 (internal combustion engine) of the wheel loader 1.

In the hydraulic pump A, the suction side is a hydraulic oil tank 2
2 and the discharge side is connected to the first solenoid valve 20. The first solenoid valve 20 communicates with a switching valve 21 for controlling the forklift device 4 in a demagnetized state, and a high-pressure side hose 18 connected to the hydraulic motor 15 in an excited state.
Communicate with

The hydraulic pump B has a suction side connected to the hydraulic oil tank 22 and a discharge side connected to the second solenoid valve 23. The second solenoid valve 23 communicates with the low-pressure side hose 19 in the demagnetized state, that is, communicates with the hydraulic oil tank 22, and communicates with the high-pressure side hose 18 connected to the hydraulic motor 15 in the excited state.

In FIG. 3, reference numeral 26 denotes a relief valve. In addition, the wheel loader 1 includes the solenoid valves 20,
A rotation adjusting function is provided for setting the number of rotations of the internal combustion engine to high idling when the branch 23 is excited and the branch wood crusher 6 is used.

Next, the operation, operation and effect of the above device will be described. First, the solenoid valves 20 and 23 are demagnetized to make the forklift device 4 side operable, and the wheel loader 1 is run with the fork 5 lowered so that the claw 5a of the fork 5 is turned into a branch wood crusher. 6 into the sheath 7.

Next, the fork 5 is restrained by the sheath 7 by inserting the pin 8 into the pin mounting hole 7b of the sheath 7, so that the fork 5 does not come off from the sheath 7. Also, two hoses 18, 1 connected to the hydraulic motor 15 of the branch wood crusher 6
9 are connected to high pressure side and low pressure side hoses 16 respectively connected to the above-mentioned hydraulic pressure source by quick couplings 17.

In this state, the fork 5 is raised to lift the branch wood crushing device 6, and the wheel loader 1 is moved to the required position to transport the branch wood crushing device 6, and then the fork 5 is lowered again to The wood crusher 6 is placed on the ground.

Next, when the two solenoid valves 20 and 23 are switched to the excited state, both the hydraulic pumps A and B are connected to the hydraulic motor 15 of the branch lumber crusher 6. Next, the switch of the branch wood crusher 6 is turned on, and the cutter wheel 1 is turned on.
0 and the feed drum 12 are operated.

In this state, when the branch lumber generated by pruning or the like is sequentially input to the input port a of the input path 11, the branch lumber is sequentially fed by the feed drum 12 to the cutter wheel 10.
Side, and successively bitten between the rotary blade and the fixed blade, and are pulverized into chips. Subsequently, by the suction force of the rotating fan blade 13, the chip-shaped pulverized material is
It is sucked to the rear of the cutter wheel 10 through a suction hole provided in the cutter wheel 10, and further discharged through the discharge chute 14 to the outside of the branch wood crushing device 6.

Further, when the branch wood crushing device 6 is moved, the solenoid valves 20 and 23 are again switched to the demagnetized state, and then the forklift device 4 is operated to operate the fork 5.
To move the branch wood crushing device 6 to the work place by moving the wheel loader 1 to move the branch wood crushing device 6 to the work place. Then, the above operation is repeated.

Further, when the use of the branch wood crushing apparatus 6 is completed, the wheel loader 1 is moved to a desired storage position, and then the quick coupling 17 for connecting the hydraulic motor 15 and the hydraulic circuit of the forklift 4 is connected. By removing the pin 8 and removing the claw 5a of the fork 5 of the forklift from the sheath 7, the branch wood crusher 6 and the wheel loader 1 are separated. Thus, the two 6,1 are easily separated.

As described above, even when the branch wood crushing device 6 is not equipped with the self-propelling means, the branch wood crushing device 6 can be used for ordinary cargo handling work only by providing the sheath 7 and providing a simple locking mechanism. The forklift device 4 facilitates ascending and descending from the ground, and the wheel loader 1
Easily transported.

In particular, the wheel loader 1 as a construction vehicle
Is a vehicle suitable for traveling on uneven terrain, and the site of a landscaping, orchard, landscaping, green tract of land, etc. in which the branch timber crusher 6 is used is generally an irregular terrain.
This is the most suitable vehicle for transporting the branch timber crusher 6.

When the branch wood crusher 6 is no longer required, the quick coupling 1 for connecting the hydraulic hoses 15, 18, 19 is used.
After removing the pin 7 and removing the pin 8, the claw 5a of the fork 5 is removed from the sheath 7, so that the wheel loader 1 and the branch wood crushing device 6 can be easily separated, and the wheel loader 1 can be used for cargo handling and transportation work. It is effectively used for

That is, regardless of whether the branch wood crusher 6 is used only for seasonal or intermittent work such as tree pruning work and green space maintenance work, the branch wood crusher 6 can be used. When the wheel loader 1 is not used for crushing the branch wood, the wheel loader 1 is used for the original cargo handling and transporting operation.

Further, in the branch timber crushing device 6 having the above configuration,
As described above, since there is no self-propelled means and there is no dedicated driving source, it is inexpensive, lightweight and compact, and easy to carry.

At this time, the drive source of the forklift device 4 is used as the drive source, but there is no problem because the branch wood crushing device 6 and the forklift device 4 are not operated simultaneously.

The two hydraulic pumps A and B are provided in the hydraulic circuit of the forklift device 4 because the load on the branch lumber crusher 6 is usually greater than that of the forklift device 4. This is to secure the driving force necessary for driving the branch wood 6, but one hydraulic pump may be used as long as one hydraulic pump A can drive the branch wood crushing device 6.

As a construction vehicle, a wheel loader 1
However, another construction vehicle equipped with the forklift device 4 as an attachment may be used.
For example, in the above embodiment, the wheel type is exemplified, but a crawler type may be used.

Further, in the present embodiment, a case has been described in which the branch wood crushing apparatus 6 itself does not have a drive source, but the branch wood crushing apparatus 6 itself may be provided with a drive source. In this case, the connection with the drive source of the forklift device 4 is not required, and the forklift device 4 can be used in a state separated from the wheel loader 1. However, the timber crushing device 6 is more expensive and heavier than the above embodiment. Become.

The lock mechanism using the pin hole 7b and the pin 8 is an example, and any other known mechanism may be used as long as the mechanism can restrain the fork 5 inserted into the sheath 7.

The extending direction of the sheath 7 is not limited to the front-back direction, but may extend in the width direction.

[0048]

As described above, according to the branch wood crushing device of the present invention, it can be transported by a vehicle equipped with a forklift device by a simple modification only by providing an insertion portion for inserting a fork claw. As a result, there is an effect that a dedicated traveling means becomes unnecessary.

Further, according to the construction vehicle with the branch wood crushing device according to the second aspect of the present invention, the branch wood crushing device is transported by a construction vehicle suitable for traveling on uneven roads. Is stable and can be moved, and the branch wood crushing device itself has no driving source, so that the branch wood crushing device is inexpensive, and at the same time, the weight and size are reduced and the transportation is further facilitated. There is.

Further, according to the construction vehicle with the branch wood crushing device according to the third aspect, in addition to the above effects, even if the drive source is diverted to the forklift device and the branch wood crushing device, There is an effect that detachment of the branch wood crushing device from the construction vehicle becomes easy.

[Brief description of the drawings]

FIG. 1 is a side view showing a construction vehicle with a branch timber crusher according to an embodiment of the present invention.

FIG. 2 is a partially enlarged view showing a relationship between a sheath and a fork according to the embodiment of the present invention.

FIG. 3 is a diagram showing a hydraulic circuit including a hydraulic source for driving a branch wood crushing device and a forklift device according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheel loader (construction vehicle) 4 Forklift device 5 Fork 5a Claw 6 Branch wood crushing device 7 Sheath (insertion part) 7b Pin mounting hole 8 Pin 15 Hydraulic motor 16 Hose 17 Rapid coupling 20, 23 Electromagnetic switching valve A, B Hydraulic pump

Claims (3)

[Claims] 1. A crushed timber crusher comprising: an insertion portion into which a claw of a fork of a forklift can be inserted; and a lock mechanism for restraining the fork in the insertion portion. 2. A construction vehicle in which a forklift device having a mast structure is mounted on a front portion of a vehicle body, wherein the forklift device is provided with the branch wood crushing device according to claim 1, A construction vehicle equipped with a branch timber crushing device, which can be driven by a drive source that drives a forklift device. 3. The construction vehicle according to claim 2, further comprising: a hydraulic hose connected to a hydraulic source that is a drive source for driving the forklift device; and a hydraulic hose for a hydraulic motor that drives the branch wood crusher. Are connected by a detachable joint.