JP3612061B2 - Seabed sediment collection device by seabed tillage - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention cultivates the seabed extensively using dredgers, collects and surveys seabed sediments, shells, combustible / incombustible and other seabed sediments (hereinafter referred to as seabed sediments), and cultivates seabed sediment. It is related to the seabed sediment collecting device by the seabed tillage for the purpose of improving the sediment quality and improving the fishing environment. , A rock-like coarse grain dropping device with multiple steel round bars for sorting large and small rocks and escaping captured fish, and a bucket for storing and securing seabed sediments It is related with the seabed sediment collection device by the seabed tillage equipped with the section.
[0002]
[Prior art]
In recent years, investigation of seabed soil quality and improvement of the bottom soil have been demanded due to the effects of fish shellfish breeding due to the environmental destruction of the seabed and the conservation of the fishery environment. It is an important task to protect future fishing grounds by taking environmental measures such as searching for indicators of fishing ground environment improvement by directly collecting and surveying seabed sediments and grasping the current seafloor environment. It was a difficult task.
[0003]
[Problems to be solved by the invention]
Therefore, as a device that efficiently surveys a wide range of seabed soil and improves the sediment quality by seabed tillage, a dragging device unit with a paddle that can cultivate the seabed is installed, and the bottom soil is taken from the dragging device unit. Equipped with a fence-like coarse grain dropping device with multiple steel round bars, and a bucket for storing and securing the remaining seabed deposits to sort out rocks and escape captured fish Has succeeded in developing the technology of the seabed sediment collection device.
[0004]
[Means for Solving the Problems]
The present invention has been made in order to solve the above-mentioned problems, and the gist of the present invention is that the seabed is swept by a dredger with a large crane and a side winch, and the front part is a plurality of drags. The skid part, the thick plate with a plurality of round holes that can be tied up as appropriate, and a plurality of tilling rods form a drag device part. Fenced soil is sorted into large and small rocks, and a fence-like coarse grain dropping device stretched around with multiple steel round bars to escape captured fish, and at the rear is expanded metal or wire mesh The sea bottom sediment collecting device that forms a bucket part for storing and securing residual sea bottom sediments, etc., and an L-shaped tilt-adjustable wing grail for ensuring horizontal stability on the upper surface of the bucket part Equipped with a bucket A hinge-type opening / closing door is provided at the rear, and a reinforcing camber plate is fixed to the underside of the skid part. A rotary plowing device with a reinforcing plate integrated on each cutting edge of multiple bridges is attached, and a function to take in seabed sediment that can deeply cultivate the bottom soil when rolling is added. The present invention relates to a seabed sediment collection device using seabed tillage.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described in detail with reference to the drawings of the embodiments.
Example 1
In FIG. 1a, A shows the whole seafloor sediment collection apparatus of this invention, and consists of the structure summary of the three main parts of the drag apparatus part 1, the coarse grain dropping apparatus part 2, and the bucket part 3. FIG. The dragging device unit 1 has a function of cultivating the seabed and taking in seabed sediments, and the coarse grain dropping device unit 2 has a coarse mesh for escaping large and small rocks, shellfish, and captured fish. A fence-shaped steel round bar 7 is disposed and attached to the front surface of the bucket portion 3. The bucket section 3 is for storing and securing the remaining seabed deposit 10 for bottom sediment investigation and collection using an expanded metal 9 or a wire mesh.
[0006]
The overall shape is a trapezoidal steel welded structure having a length of about 1,000 cm and a height of about 50 cm, a steel angle 4, a steel grooved steel 5, a steel plank 6, a steel round bar 7, It is composed of deformed reinforcing bars 8, expanded metal 9 and the like, and is arranged and fixed in accordance with each purpose.
[0007]
In FIG. 1 b, from the front of the seabed sediment collecting device A, an expanded metal 9 is stretched without a gap on a skeleton formed by steel angles 4. The expanded metal 9 forms the bucket portion 3 that is appropriately welded to the skeleton of the steel angle 4. However, the welded structure may be abolished in consideration of partial repair and maintenance, and a bolt tightening structure may be used.
[0008]
2 and 3 show the entire skeletal structure from which the expanded metal of the seabed sediment collection device A is deleted. After the seabed sediment collection operation, when the seabed sediment collection device A is pulled up, or when the entire device is turned over or reversed, four pairs of lifting lifting devices 11 and two pairs of reversing lifting devices 13 are made of steel. It is fixed to a skeleton such as the grooved steel 5 or the steel angle 4. Furthermore, sufficient skeletal reinforcement is provided against dragging traction force by direction change and various traction methods.
[0009]
In FIG. 1a, FIG. 2, and FIG. 3, in order to smoothly perform the drag operation on the bottom surface of the seabed sediment collecting device A, the U shape bent in the U shape by the steel plate 6 on the drag device portion 1 Four skid portions 66 composed of the plate 12 are attached. The skid portion 66 improves the dragging of the seabed, but has both the antagonistic effects of capturing and improving biting.
[0010]
In FIG. 2, the configuration of the skid portion 66 of the drag device 1 is such that the intermediate portion in the width direction inside the U-shaped plate 12 and the entire peripheral portion of the web 24 made of steel plate are fixed and formed. Further, a camber plate 18 is attached to the lower part of the U-shaped plate 12 of the skid portion 66. The camber plate 18 will be described in detail later with reference to FIG.
[0011]
2 and 3, a vertical thick plate 48 having a plurality of round holes 23 that can be tied with a pulling wire is formed at the upper portion of the intermediate portion in the width direction of the skid portion 66 of the drag device portion 1. It is fixed. The effect | action by the binding position of the round hole 23 is demonstrated in detail in FIG.
[0012]
In FIG. 3, truss reinforcement is constituted by the steel angle 4 and the steel grooved steel 5 in order to reinforce the frame strength of the lifting hanger 11. Similarly, at the intermediate portion in the longitudinal direction of the drag device portion 1, the intermediate portion in the width direction inside the U-shaped plate 12 and the entire circumference of the web 24 made of steel plate are fixed to form a skid portion 66, and further the steel groove A skeleton is formed by passing the mold steel 5.
[0013]
FIGS. 2 and 3 both show similar forms of the side structure, but as can be seen from the overall view of FIG. 1a, the same structure such as the skid portion 66 and truss reinforcement is appropriately arranged and the seabed sediments. The entire collection device A is configured.
[0014]
FIGS. 4 a and 4 b show two forms of the seabed sediment collecting device A that is performing the drag operation, with the front portion enlarged, and this state will be further described in detail.
In FIG. 4a, when the seabed sediment collecting device A is towed with the pulling wire 20 tied to a plurality of upper round holes R1 formed in the vertical thick plate 48 at the top of the skid portion 66. The angle θ between the sea surface 22 and the traction wire 20 is reduced, and the bite acts deeply so that the deformed reinforcing bar 8 reliably captures and winds the bottom soil 15.
[0015]
In FIG. 4b, when the bottom sediment collecting device A is pulled by being tied to a plurality of lower round holes R2 formed in the vertical thick plate 48 at the upper part of the skid portion 66, The angle θ1 of the pulling wire 20 is increased and the deformed reinforcing bar 8 is lifted, so that the biting into the bottom soil 15 becomes shallow, and the dragging speed of the seabed sediment collecting device A can be increased.
[0016]
5a and 5b, the cage structure by the deformed reinforcing bar 8 attached to the drag device part 1 in front of the seabed sediment collecting device A will be described in detail.
A plurality of deformed reinforcing bars 8 are arranged by projecting the deformed reinforcing bars 8 from the lower surface of the skid portion 66 at an angle θ2 of about 60 ° and a depth β at a pitch α interval of about 15 cm. As shown in FIG. 5B, all the deformed reinforcing bars 8 are arranged and fixed by the base plate 27 and the base angle 28 at a fixed angle setting. Therefore, the depth β acts to bite into the bottom soil so as to capture the bottom soil. The use of the deformed reinforcing bar 8 is to obtain a good winding property in consideration of the slip resistance, is resistant to wear, and is made of a high-strength material.
[0017]
2, 3, 6 a, and 6 b, the wing device 30 installed on the upper surface of the bucket portion 3 of the seabed sediment collecting device A will be described in detail. A plurality of wing attachment plates 32 are fixed to the skeleton portion of the bucket portion 3 in the substantially central portion of the deposit collecting apparatus A, and the wing glare 31 is inserted in the interval. A rotating shaft 33 is mounted on the wing mounting plate 32, a mounting bolt hole 34 is formed, and the inclination of the inserted wing rail 31 is adjusted as appropriate, and the wing mounting plate 32 is screwed to the wing mounting plate 32 with a bolt 35.・ Fixed.
[0018]
Therefore, when the wing glare 31 is fixed to the wedge-shaped inclination in the towing direction as shown in FIG. 6a, the water flow W that is turning and sailing strongly touches the wing glare 31, and the water flow W is used to collect the seabed sediment collecting device A. By pushing down strongly, it is possible to plow deeper. On the other hand, when the wing glare 31 is fixed substantially horizontally as shown in FIG. 6b, the water flow W1 is not affected by the depression, and the water flow W1 smoothly flows backward on the upper surface of the wing glare 31, so It is carried out shallowly, and instead, the drag speed of the seabed sediment collecting device A can be increased, and further, the water stream W1 of the fast flow is generated on the upper surface of the wing glare 31, so that the horizontal stability of the seabed sediment collecting device A is improved. Can be increased.
[0019]
FIG. 7 a is a side view of the main part of the skid portion 66 in front of the seabed sediment collecting device A, and FIG. 7 b is a bottom view of the main part of the skid portion 66 of the seabed sediment collecting device A. Six round holes 40 are drilled in the lower surface of the U-shaped plate 12 and can be used in this state. However, when the rock is hard, the U-shaped plate 12 can be attached by attaching the camber plate 18 to the U-shaped plate 12. The deformation of the lower surface of the plate 12 can be protected, and the slip can be adjusted like a ski.
[0020]
That is, in FIG. 7 a, the camber plate 18 is attached to the six round holes 40 of the existing U-shaped plate 12, and the inclined plate camber plate 18 whose thickness increases toward the rear is thinned. Can also be used. Even if the U-shaped plate 12 is worn or deformed by attaching the camber plate 18, it is possible to deal with it by replacing only the camber plate 18.
[0021]
In the bucket portion 3 of the seabed sediment collecting apparatus A that collects and stores the seabed sediment 10 shown in FIG. 14, a structure of a method of completely fixing the periphery of the expanded metal 9 or a method of bolting may be used. 3. An opening / closing door 37 can be provided at the rear part to enable opening / closing, and the collected seabed deposit 10 can be taken out by opening the opening / closing door 37. This is shown in FIGS. 8a and 8b.
[0022]
That is, in FIG. 8 a, the open / close door 37 assembled with the framework of the steel angle 4 and the expanded metal 9 is overlapped with the hinge portion 50 composed of the round pipe 26 and the long round bar 36 and the thick plate 38. It is also possible to change to the opening / closing door 37 having a configuration with the lock portion 51 to which the tightening bolt 39 is screwed. However, considering the effects of corrosion in the seawater environment, it is desirable to simplify the structure as much as possible. The open / close door 37 can be opened as shown in FIG. 8b during mass storage to facilitate the work of collecting and collecting the seabed deposit 10.
[0023]
(Example 2)
In FIG. 9, B shows the entire seabed sediment collecting device of the present invention. A rotary tillage device 42 is added and installed in front of the seabed sediment collecting device B, and the bending direction of the blade edge portion 52 is set to the seabed. The sediment collecting device B is arranged in one side symmetrical and opposite direction with respect to the longitudinal center. That is, the seabed sediment collection device B is entirely composed of the configuration of the seabed sediment collection device A of the first embodiment except for the rotary tilling device 42.
[0024]
In FIG. 10, the rotary tilling device 42 includes a plurality of pivots 45 of about 250 cm arranged in a row, and a plurality of blade tips 52 are attached at intervals of about 15 cm, and adjacent to the blade tips 52. The reinforcing plate 60 is formed integrally with the cutting edge portion 52. Further, each blade edge portion 52 and the reinforcing plate 60 are integrally fixed to the pivot shaft 45, and the pivot shaft 45 is fixed to the sealed bearing 43 at about seven locations including the skid portion 66 and the gusset 44, so that it can be rotated even in the seabed use state. Smooth rotation of the type tilling device 42 can be obtained.
[0025]
11a, 11b, and 12 show the details of the cutting edge portion 52 of the rotary tilling device 42, each of which has about 7 pairs of pivots 45 with respect to the pulling direction Y of the seabed sediment collecting device. Then, about four blade tips 52 are attached by bending in the direction γ in which the bottom soil is wound. The blade edge portion 52 is positioned by an attachment pipe 63 and an attachment plate 62 inserted into the pivot 45, and is screwed and fixed by an attachment bolt 61. Further, the reinforcing plate 60 is provided between the blade edge portions 52 adjacent to the blade edge portions 52.
[0026]
In FIG. 11a and FIG. 11b, when dragging the seabed, the rotary tillage device 42 can be rotated in the direction γ with respect to the traction traveling direction Y of the seabed sediment collecting device A, and the seabed You can cultivate deeper than you think.
[0027]
13 and 10, the sealed bearing structure will be described in detail. A mounting hole for a circular cylindrical bearing guide 56 is formed from both sides of the gusset 44 and the web 24, and the bearing guide 56 is inserted and fixed. A bearing 57, a grease 58, a bearing 57, and an oil seal 59 are assembled to the bearing guide 56 in this order from both sides. In this state, the sealed bearing 43 is mounted, and the shaft 65 at the tip of the pivot 45 is connected to the sealed bearing 43. The rotary tilling device 42 is assembled.
[0028]
In FIG. 10, the rotary tilling device 42 of the second embodiment can be forcibly driven. As a method for this, a compressor is used to install air turbines at several locations on the pivot (not shown), and it is installed on both front sides of the submarine sediment collection device B by hydraulic, pneumatic and electric drive. For example, there is a method (not shown) of rotating a wheel with a driving blade and rotating a pivot directly.
[0029]
In FIG. 14, by using the seabed sediment collecting device A of Example 1, the bottom soil 15 is raised by the deformed reinforcing bar 8 with respect to the traction traveling direction Y, and the fish 53 and the shellfish 54 are included. Then, the seabed sediment 10 is taken into the seabed sediment collecting device A. Further, the fish 53 escapes upward from the gap between the fence-shaped steel round bars 7, and the shellfish 54 and heavy rocks are collected by the coarse grain dropping device 2 by the fence-like steel round bars 7 in the seabed sediment collection direction Z. Sorted out. Further, the shell and the seabed sediment 10 taken into the seabed sediment collecting device A are stored in the bucket portion 3.
[0030]
In addition, in FIG. 10, similarly, by using the seabed sediment collecting device B of the second embodiment, the seabed is forcibly cultivated by the rotary tilling device 42 and the deformed reinforcing bar 8 is raised. Thus, the seabed sediment 10 is taken into the seabed sediment collecting device B.
[0031]
In FIG. 15a, the dredger 14 extends the main body wire 19 from the side winch 16 and is connected to the traction wire 20 of the seabed sediment collection device A to cultivate the seabed soil 15; The seabed sediment 10 is collected by traveling in the towing direction Y over a wide range with a 6-knot sail. This approximately 3.6 knot is a speed considering that the fish can escape.
[0032]
In FIG. 15a, the bottom of the sea can be cultivated in a wide range according to the navigation direction of the dredger 14, and the direction of the bottom sediment collecting device A can be changed by operating the left and right side winches 16. is there. At that time, it is assumed that the main body wire 19, the pulling wire 64, and the parent wire 21 that are hooked on the four lifting hoists 11 of the seabed sediment collecting apparatus A are kept loose.
[0033]
In FIG. 15 b, when the drag operation is completed, the pulling wire 64 that is hooked on the pulling lifting device 11 is pulled up by the crane 17 of the dredger 14 while the seabed sediment 10 is collected. In this case, it is necessary to ensure that the collected seabed deposit 10 is taken into the dredger 14 while the parent wire 21 is always shortened and balanced.
[0034]
16a and 16b, the strength of the main body wire 19 of the side winch 16 and the traction wire 20 of the seabed sediment collecting device A can be changed. That is, when the tow wire 20 is tightly bound to the main body wire 19 from the side winch 16 of the dredger 14 and pulled in the towing traveling direction Y, the end of the seabed sediment collecting device A rides on the seabed reef 55. When the pulling wire 20 side of the seabed sediment collecting device A is cut first as in 16b, an abnormal situation can be dealt with so that the seabed sediment collecting device A is inclined to avoid the reef 55. At this time, the drag operation is suspended, and the seabed sediment collecting device A is pulled up by the crane of the dredger 14 to repair the traction wire 20.
[0035]
【The invention's effect】
In the present invention, by installing a plurality of U-shaped plates and attaching a camber plate to the skid, it is easy to slip even on hard reefs, there is a sense of stability, and even if wear or deformation of the main part occurs, it can be replaced Can be used freely and durability can be maintained.
[0036]
The present invention has a plurality of round holes in the vertical thick plate on the front surface of the skid part, and the traction position can be appropriately moved, so that the biting into the bottom soil can be adjusted, and the workability is improved. Moreover, by pulling the pulling wire weaker than the main body wire, the pulling wire cuts first when riding on the reef and has an excellent function of avoiding an abnormal situation.
[0037]
In the present invention, by attaching a deformed reinforcing bar rod with a pitch of about 15 cm to the seabed sediment collecting device, it is easy to catch the bottom soil, and it is difficult to slide and can be reliably cultivated.
[0038]
According to the present invention, by attaching a wing glail to the upper surface of the bucket portion and making it possible to adjust the angle of the wing glare, the horizontal stability with respect to the routing of the seabed sediment collecting device by the water current is maintained, and also the traction wire The direction stability is good because it is operated with four and two side winches.
[0039]
In the present invention, since the opening / closing door is attached to the bucket portion, the opening / closing door can be opened during mass storage to facilitate the collection of seabed deposits, and the workability is improved and the working efficiency is good.
[0040]
When the rotary tillage device is attached to the front of the skid portion of the present invention and the seabed is dragged, the blade tip rotates so that the bottom soil can be forcibly raised and tilled smoothly. The bottom soil can be taken into the bar of the deformed reinforcing bar.
[0041]
By pulling the present invention from a tugboat, it is possible to cultivate and collect seabed sediments in a wide range in a short time, so that it can be said to be an excellent device that can greatly contribute to improvement of seabed soil quality and improvement of fishing ground environment.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a front view of a seabed sediment collecting apparatus according to Embodiment 1 of the present invention.
b is a plan view of a seabed sediment collecting apparatus according to Embodiment 1 of the present invention.
FIG. 2 is an enlarged perspective view of the left half of the skeleton part excluding the expand in the seabed sediment collection device of the present invention.
FIG. 3 is an enlarged perspective view of the right half of the skeleton excluding the expand in the seabed sediment collecting device of the present invention.
FIG. 4a is a reference diagram showing the seabed traction state in the upper round hole of the skid portion of the present invention.
b is a reference view showing the seabed traction state in the lower round hole of the skid portion of the present invention.
FIG. 5a is a partially enlarged reference plan view showing a ridge structure with a part of the upper skeleton part of the seabed sediment collecting device of the present invention partially cut away.
b is a partially enlarged reference view showing the dredged structure of the seabed sediment collecting device of the present invention.
FIG. 6a is a partially enlarged reference view of the seabed sediment collection device of the present invention in a state where the wing glare is attached with an inclination.
b is a partially enlarged reference view of a state in which the wing glare of the seabed sediment collection device of the present invention is mounted horizontally.
FIG. 7a is a partially enlarged reference view showing a mounting state when the camber plate of the seabed sediment collecting device of the present invention is viewed from the side.
b is a partially enlarged reference view showing a mounting state when the camber plate of the seabed sediment collecting device of the present invention is viewed from the bottom.
FIG. 8a is an enlarged partial perspective view of the open / close door attached to the front of the bucket portion of the present invention. b is a reference view showing opening and closing of an open / close door attached to the front of the bucket portion of the present invention.
FIG. 9a is a front view of a seabed sediment collecting apparatus according to Embodiment 2 of the present invention.
b It is a top view of the seabed sediment collection apparatus of Example 2 of this invention.
FIG. 10 is an enlarged reference perspective view of the left half of the rotary tillage device for the skeleton part excluding the expanded metal of the seabed sediment collecting device according to the second embodiment of the present invention.
FIG. 11 is an enlarged front view of the rotary tilling device of the present invention.
b is an enlarged side view of the rotary tilling device of the present invention.
FIG. 12 is an enlarged external perspective view of the rotary tillage device of the present invention.
FIG. 13 is an enlarged perspective view of a sealed bearing mounting structure of the rotary tillage device of the present invention.
FIG. 14 is a reference view for use showing a state when the bottom soil is picked up by the seabed sediment collecting device according to the first embodiment of the present invention.
FIG. 15 is a drawing showing a drag operation state of the seabed sediment collecting device of the present invention.
b is a drawing showing the state of pulling up the seabed sediment collecting device of the present invention.
FIG. 16 is a state diagram when the pulling wire of the seabed sediment collecting device of the present invention is cut.
b is a state diagram when the pulling wire of the seabed sediment collecting device of the present invention is cut and the operation is interrupted and avoided.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Drag apparatus part 2 Coarse grain dropping apparatus 3 Bucket part 4 Steel angle 5 Steel groove type steel 6 Steel plate 7 Steel round bar 8 Deformed bar 9 Expanded metal 10 Submarine deposit 11 Lifting tool 12 U type Plate 13 Inversion tool 14 Dredger 15 Bottom soil 16 Side winch 17 Crane 18 Camber plate 19 Main body wire 20 Towing wire 21 Parent wire 22 Sea surface 23 Round hole 24 Web 26 Round pipe 27 Base plate 28 Base angle 30 Wing device 31 Wing rail 32 Wing mounting plate 33 Rotating shaft 34 Mounting bolt hole 35 Bolt 36 Long round bar 37 Opening / closing door 38 Thick plate 39 Tightening bolt 40 Round hole 41 Tightening bolt 42 Rotary tillage device 43 Sealed bearing 44 Gusset 45 Axis 48 Vertical thick plate 50 Hinge part 51 Lock part 52 Cutting edge 53 Fish 54 Shells 55 Reef 56 Bearing guide 57 Bearing 58 Grease 59 Oil seal 60 Reinforcement plate 61 Mounting bolt 62 Mounting plate 63 Mounting pipe 64 Lifting wire 65 Shaft part A Seabed sediment collection device B Seafloor sediment collection device R1 Round Hole R2 Round hole W Water flow W1 Water flow Y Traction direction Z Seabed sediment collection direction α Pitch β Depth γ Direction θ Angle θ1 Angle θ2 Angle

Claims (2)

A vertical plate with a plurality of skids that have been dragged around the seabed by a dredger with a large crane and side winches, and that can be easily dragged, and a plurality of round holes that can be appropriately tied. In addition, a plurality of steels are used to form a drag device unit with multiple tillage rods, and to sort out large and small rocks and escape captured fish from the bottom soil plowed and taken in the front in the center. Seabed sediment collection with a fence-like coarse grain dropping device stretched with round bars and a bucket section for storing and securing residual seafloor deposits with expanded metal or wire mesh at the rear. The entire system is equipped with an L-shaped tiltable adjustable wing rail to ensure horizontal stability on the upper surface of the bucket, and a hinge-shaped door is attached to the rear of the bucket, Reinforcing camber play Sediment collecting apparatus according to the seabed tilling, characterized in that fixed to. At the tip of the drag device, a rotary tillage device with a reinforcing plate integrated with each of the blade edges over the entire length in the longitudinal direction is attached, and the bottom sediment that can deeply cultivate the subsoil is laid. The seabed sediment collecting device according to claim 1, further comprising an intake function.

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