JP2001038236A - Waterweed cutting apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterweed cutting apparatus finely cutting mowed waterweeds or the like on a ship or on the land easily, inexpensively and certainly only by providing it with simple cutting equipment without transporting them to a disposal plant in the mowed state to facilitate the landfilling or incineration of them. SOLUTION: A waterweed cutting apparatus for cutting waterweeds or the like mowed in lakes or marshes by a mowing ship is constituted of a hopper 25 having an upper opening as a feed-in port of hoed-up waterweeds and a vertical cutter consisting of the cutter A arranged in the vicinity of the bottom surface of the hopper and the discharge port opened to the bottom surface of the hopper and the cutter A is constituted of a fixed blade, the reciprocally moving type cutting blade cooperating with the fixed blade and a crank shaft for reciprocally moving the reciprocally moving type cutting blade.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterweed cutting device that cuts off algae (especially coco cane) and waterweed generated in lakes and swamps, and cuts the cut algae on land or on water.

[0002]

2. Description of the Related Art Algae and aquatic plants naturally occurring in lakes and swamps or abnormally breeding due to climatic changes and eutrophication have been developed from the current state of developed lake traffic, fishing boats, modern leisure, etc.
Algae and aquatic plants that have grown abnormally on lake shores and the like often become obstacles, and are currently harvested to such an extent that they do not interfere with the natural organisms of lakes and swamps.

[0003] Conventionally, algae and aquatic plants (hereinafter, referred to as “weeds”) generated in lakes and swamps
Collectively, "weeds" are removed as a treatment method by transferring the weeds harvested by the mowing boat to a separately prepared fishing boat or other carrier, transporting them to a predetermined location for transshipment on land, Buried or incinerated. .

[0004]

As described above, conventionally,
After mowing, weeds are transported to land buried or incinerated land by vehicles, but in this case, it is necessary to consider the volume rather than the weight of the weeds. Costly.

[0005] Under the influence of naturally occurring strong winds such as typhoons, abnormally bred aquatic plants are swallowed by strong wind and rain and waves, cause root cuts, disappear completely from the surface of the water, and are launched on the lake shore. And sank to the bottom of the lake to purify nature.

According to the present invention, the cut grass or the like is not transported to the disposal site as it is, but only by providing a simple cutting facility, it is easily, inexpensively and surely cut into small pieces. It is an object of the present invention to provide a waterweed cutting device that facilitates landfill and incineration by shredding on land.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a waterweed cutting device for cutting waterweed and the like generated in a lake or a swamp cut by a mowing boat. A means for solving the problem is constituted as a vertical cutter comprising a hopper having an upper surface opening as a mouth, a cutter disposed near the bottom surface of the hopper, and a discharge port opening on the bottom surface of the hopper. Further, the cutter is constituted by a fixed blade, a reciprocating cutting blade cooperating with the fixed blade, and a crankshaft for reciprocating the reciprocating cutting blade. Further, the vertical cutter is configured separately from a mowing boat equipped with a mowing machine for aquatic plants and the like, and is installed on land to solve the problem. Furthermore, the vertical cutter is mounted on the rear side of the reaping boat to solve the problem. In addition, a carry-in conveyor is arranged in the master's direction on the deck of a barge fixed to the water surface of lakes, swamps, etc. with anchors, etc., and a weed cutting device is installed at the rear end of the conveyor, and the rear of the weed cutting device is installed. In addition, a discharge conveyor is provided in series, and the waterweed cutting device is provided with an inclined plate having a rear portion that is inclined downward toward the upper part of the waterweed cutting device.

[0008] Since the present invention is configured as described above, water plants and the like generated in lakes and swamps are cut off by a mowing boat, carried to a water plant cutting device, and cut by the water plant cutting device. When a waterweed cutting device is installed on land, the cut waterweed is buried or incinerated as it is. When the waterweed cutting device is constituted by a vertical cutter, the waterweed or the like is pressed against the blade by its own weight of the waterweed or the like, so that efficient cutting can be performed. Further, when a waterweed cutting device is mounted on the barge, the cut waterweed and the like can be directly dropped on the water surface to perform the same processing as the natural purification action by a typhoon or the like.

[0009]

Embodiments of the present invention will be described with reference to the drawings. In FIG. 1A, reference numeral 1 denotes a reaping boat 1 used in the present invention, and the reaping boat 1 includes algae and aquatic plants (hereinafter referred to as "aquatic plants and the like" generated in lakes and swamps 2).
A mowing part 5 is provided for mowing the underwater 3 on the water or above the water, and aquatic plants and the like mowing by the mowing part 5 are loaded into the mowing boat 1. Water plants, etc. loaded in this way 3
Is transported to the rear of the reaping boat 1 by the belt conveyor 6 installed in the reaping boat 1 when the processing is required.

A hook 16 is provided at the rear of the reaping boat 1. The hook 16 is connected to a connecting member 17 provided on the carrier 10 shown in FIGS. I have. A tilting conveyor 12 is provided at the front of the carrier 10 so as to be tiltable by a hydraulic cylinder 11 between a horizontal position and a vertical position.
Is driven by conveyor rollers 13 and 13. With the processing boat 10 connected to the rear of the mowing boat 1, the hydraulic cylinder 11 is operated to set the tilting conveyor 12 to the horizontal position shown in the figure. At this time, the tip of the tilting conveyer 12 is placed on the rear part of the reaping boat 1, and the tip of the conveyor 6 of the reaping boat 1 is positioned above it. Thereby, the aquatic plants 3 and the like cut off by the reaper 5 conveyed by the conveyer 6 of the reaper 1 are transferred to the tilting conveyor 12 of the carrier 10, loaded on the carrier 10, and conveyed on land. A waterweed cutting device 20 is installed on land.

As shown in FIGS. 3 to 5, the waterweed cutting device 20 is provided with a moving wheel 22 at the lower end and a triangular frame 21 in a side view, and is disposed along the upper surface of the frame 21. A connecting portion 24 is provided with a conveyer 23 and a hydraulic motor (not shown) for driving the conveyer. The connecting portion 24 can be connected to the hook 16 of the carrier 10 (or the reaper 1) at the front end. Further, a hopper 25 is attached to the rear end of the frame 21. A cutter A is provided in the hopper 25 to constitute a vertical cutter 30. In addition, a hydraulic motor (not shown) for driving the conveyor 23
Hydraulic pressure supply pipe 26 and a hydraulic pressure source 27 are provided.
Reference numeral 28 indicates a hydraulic connection coupler. Then, the water plants and the like are transferred to the hopper 25 by the conveyor 23.

Further, the mounting position of the cutter is shown in FIG.
As shown in FIG. 7, it may be provided in a hopper 25 provided in the front part. The water plants cut by the cutter unit A fall onto the conveyor 23, are transported by the conveyor 23, and are discharged to a discharge unit such as a truck.

Next, the vertical cutter 30 will be described. In the examples shown in FIGS. 3 to 5 and 8, the cutter A includes a plurality of fixed blades 31 disposed horizontally on the bottom of the hopper 25 and a plurality of cutting blades (moving blades) cooperating with the respective fixed blades. ) 32 and a crankshaft 33 for reciprocatingly driving the respective cutting blades 32. Reference numeral 34 denotes the crankshaft 3
3 shows a hydraulic motor for three drives. The cutting blade has a clipper-shaped triangular blade and reciprocates between fixed blades to cut water plants.

When the conveyor 23 is driven, water plants and the like are transported to the hopper 25 and thrown into the hopper 25 through the upper opening of the hopper 25. The water plants and the like put into the hopper 25 fall to the bottom of the hopper 25 by their own weight, and the cutting proceeds from the lowermost portion. The cut water plants and the like are discharged from the bottom opening of the hopper 25. In particular, when algae are used as a fertilizer and a soil modifier, it is desirable to re-cut to a length of 20 to 50 mm by another cutting machine.

The above vertical cutter 30 is shown in FIG.
As shown in FIG. 10, mounted on the mobile 100 as a single unit,
Cutting can be performed at any place. 9 and 10, reference numeral 101 denotes a work vehicle for carrying in water plants and the like, and reference numeral 102 denotes a transport dump truck.

Also, the reaping boat 1 as shown in FIG.
(Or the carrier 10), the waterweed cutting device 20, and the transport dump truck 102 may be used in series.

In addition, as shown in FIG. 12, it is also possible to use a vertical cutter 30 mounted on the rear end of the reaping boat 1. In this case, in the lower opening of the hopper 25,
It is desirable to attach the net basket filter 25a.

Next, a second embodiment shown in FIG. 13 will be described. In the second embodiment, as shown in FIG. 13, a waterweed cutting device is incorporated in a barge 51 fixed to anchors 52, 53 or the like on the water surface of a lake or a swamp. A carry-in conveyor 54 is provided on the deck of the boat 51 in the captain direction, and a waterweed cutting device B is installed at the rear end of the conveyor 54. The discharge conveyor 56 is provided behind the waterweed cutting device B and connected thereto.

In the waterweed cutting device of this embodiment, the front end is connected to the rear end of the mowing boat 1 shown in FIG. 1 so that cutting and cutting on the water surface can be continuously performed.

The water plants cut by the cutting device B fall on the water surface by the discharge conveyor 56, and a part of the water plants is settled to the bottom of the water due to the specific gravity of the water plants, but some are not settled.
As described above, according to experiments, the amount of submerged plants is about 85%, that is, approximately 15% of the plants are floating on the water surface. It is scooped out with a net or the like and loaded on the barge 51. The waterweeds and the like stacked in this way move the barge 51 to a predetermined location after a long-time operation, and are transported from there to an incineration facility or the like for incineration. The amount is
As described above, the amount of treated aquatic plants is very small, and the treatment cost due to incineration and the like is much smaller than that of the conventional one.

As described above, according to this embodiment, the object to be cut can be discharged to the water surface by the conveyor 54, the cutting device B, and the discharge conveyor 56 in the barge 51.

FIG. 14 shows an example of use of this embodiment. Reference numeral 63 indicates a net peg without a bottom, and 64 indicates a discharge duct.

[0023]

As described in detail above, according to the present invention,
The following effects can be obtained. (1) Weeds and the like generated in lakes and swamps are cut off by a mowing boat, carried to a weed cutting device, and cut by the weed cutting device. When a waterweed cutting device is installed on land, the cut waterweed can be buried or incinerated as it is, and can be used as a fertilizer or a soil modifier. (2) When the waterweed cutting device is configured with a vertical cutter, the waterweed and the like are pressed against the blade by the weight of the waterweed and the like, so that efficient cutting can be performed. It will be easier. (3) In the case where a waterweed cutting device is mounted on the barge, the cut waterweed and the like can be directly dropped on the water surface to perform the same processing as the natural purification action by a typhoon or the like. (4) Purification of the natural world easily, inexpensively, and surely by simply installing a waterweed cutting device on a barge without transporting waterweeds and the like generated in lakes and swamps to facilities at the treatment site. The same processing as the operation can be performed, and the occurrence of pollution can be reduced. (5) Since the cutter of the aquatic plant cutting device is composed of a commercially available blade, it is advantageous in terms of product cost.

[Brief description of the drawings]

FIG. 1A is a side view showing an example of a reaping boat used in the present invention, and FIG. 1B is a side view thereof.

FIG. 2 is a plan view of the carrier.

FIG. 3 is a side view showing the first embodiment of the waterweed cutting device.

FIG. 4 is a plan view showing the main part.

FIG. 5 is a plan view of the cutter.

FIG. 6 is a plan view showing an example in which a cutter is provided in a front hopper.

FIG. 7 is a side view of the same.

FIG. 8 is a perspective view showing an example of a vertical cutter.

FIG. 9 is a side view showing an example of the use state.

FIG. 10 is a side view showing another example of the use state.

FIG. 11 is a side view showing another example of the use state.

FIG. 12 is a side view showing a state of use integrated with the reaping boat.

FIG. 13 is a plan view of a barge equipped with a waterweed cutting device according to a second embodiment of the present invention.

FIG. 14 is a side view showing an example in which the waterweed cutting device is mounted on a mowing boat.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 reaping boat 2 lakes and marshes 3 water plants, etc. 5 reaping unit 6 belt conveyor 10 carrier 11 hydraulic cylinder 12 tilting conveyor 13 conveyor roller 14 transfer conveyor 16 hook 17 connecting device 20 cutting device 21 frame 22 moving wheel 23 conveyor 24 connecting Part 25 Hopper 26 Pressure oil supply pipe 27 Hydraulic source 30 Vertical cutter 31 Fixed blade 32 Cutting blade (moving blade) 33 Crankshaft 34 Hydraulic motor 41 Rotating circular saw 42 Drive shaft 51 Barge 54 Carry-in conveyor 56 Release conveyor A cutter B cutting device

Claims (4)

[Claims] 1. A water plant cutting device for cutting water plants and the like generated in lakes and swamps cut by a cutting boat,
The watergrass cutting device includes a hopper having an upper surface opening as a carry-in entrance for the cut grass, a cutter disposed near a bottom surface of the hopper, and a discharge port opening to the bottom surface of the hopper. A waterweed cutting device configured as a tooth cutter. 2. The cutter according to claim 1, wherein the cutter comprises a fixed blade, a reciprocating cutting blade cooperating with the fixed blade, and a crankshaft for reciprocating the reciprocating cutting blade. Item 2. The waterweed cutting device according to Item 1. 3. The waterweed cutting device according to claim 1, wherein the vertical cutter is mounted on a rear side of the mowing boat. 4. A conveyor that is fixed to the water surface of a lake or a swamp by an anchor or the like and is installed on the deck of the barge in the direction of the captain in the captain direction, and a waterweed cutting device is installed at the rear end of the conveyor, and the waterweed cutting is performed. A waterweed cutting device, wherein a discharge conveyor is connected to a rear portion of the device, and the waterweed cutting device is provided with an inclined plate having a rear portion inclined downward.