JP3755935B2 - Solid block - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a solid block, and more particularly, relates to a block for by charged-drop to the seabed to construct a artificial seabed mountains or artificial seabed mound.
[0002]
[Prior art]
An upwelling flow generating structure has been proposed in which a plurality of blocks are thrown into the sea and dropped to create an artificial submarine mountain range or artificial submarine mound on the seabed, and an upwelling flow is generated by this artificial submarine mountain range. In addition, the block used for constructing such a structure for generating upwelling flow is formed in a cube or a cylindrical body, and the surface of the block is suspended to hold a hanging bracket suspended from a lifting machine. The thing which provided the hook so that it might protrude is proposed.
[0003]
[Problems to be solved by the invention]
However, in the conventional block, when stacking and temporarily placing in a stock yard or the like, it is necessary to interpose sleepers between the blocks so that the hanging hooks are not crushed, but the work of placing the sleepers is complicated. In addition, when lifting up the stacked blocks again, workers must perform slinging work on the block and hanging the hanging brackets on the hooks. There is a problem that occurs.
[0004]
The present invention has been made to solve the above-mentioned problems, and it is not necessary to hang or move a metal fitting such as a hanging hook on the surface in order to move it. to provide a solid block that can be as small as possible.
[0005]
[Means for Solving the Problems]
According to the present invention, a three-dimensional block for forming a structure on the sea floor by being thrown into and dropped into the sea, wherein the three-dimensional block is formed in a substantially cubic shape, and its diameter increases from the upper surface to the lower surface of the cube. A through hole is provided, and a transverse groove extending in a substantially horizontal direction is provided on at least two opposite sides of the side surface, and the through hole is for inserting a lifting tool to lift the solid block, The lateral groove is provided with a solid block for engaging the arm of a forklift from both sides to grip the solid block.
[0006]
Here, the hole provided in the three-dimensional block is used for inserting and lifting the hanging tool described below. In other words, the hanger is provided with a crimping member that extends toward the hole surface after being inserted into the hole, and abuts against the hole surface to be crimped. The solid block can be lifted together with the three-dimensional block by inserting and pulling up the crimping member in contact with the hole surface. The hole may be formed substantially vertically downward from the upper surface of the three-dimensional block placed on the ground or on a transport ship, and the hole is located at the center of the upper surface of the three-dimensional block. Is preferable, and a through hole penetrating in the vertical direction may be used.
[0007]
In the present invention, the submarine structure building block is formed in a substantially cubic shape , and grooves extending in a substantially horizontal direction are provided on at least two opposing sides, so that the two arms can be opened and closed horizontally. Thus, it can be easily conveyed by a forklift that holds the article. That is, if the arm of the forklift is inserted into the groove and then closed and the solid block is gripped from both sides, the groove and the arm can be engaged with each other and the solid block can be lifted without sliding down.
[0008]
In order to improve the balance when the solid block is lifted by a forklift, the groove may be provided at a position higher than the center of the side surface, and more preferably, the groove is provided in the center. The solid block may be formed in a substantially regular hexahedron.
[0010]
The block of the present invention is made of cement, dry fine powder (coal ash, blast furnace slag, volcanic ash or sewage sludge incineration ash, etc. collected by an electric precipitator generated by combustion of pulverized coal), used concrete, and hardened concrete fragments. It may be formed by appropriately mixing materials such as shells, aggregates such as gravel and sand, gypsum, water reducing agents, inorganic salts, additives such as admixtures.
[0011]
【Example】
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
1 is a perspective view of the solid block of the present invention, FIG. 2 (a) is a cross-sectional view of the solid block along the line IIa-IIa in FIG. 1, and FIG. 2 (b) is a diagram of the solid block in FIG. 2 (c) is a plan view of the solid block of the present invention, FIG. 3 is a side view showing the block suspension device inserted into the hole of the solid block of the present invention, and FIG. It is the side view which showed the process which lifts a solid block with the block suspension apparatus of FIG. In FIG. 1, a three-dimensional block 10 according to the present invention is a block formed in a substantially cubic shape in order to construct a structure such as an artificial submarine mountain range or an artificial submarine mound on the seabed. And a lateral groove 12 and a longitudinal groove 13 formed on four side surfaces.
[0012]
As shown in FIG. 2 (c), the through-hole 11 is formed in a substantially square or substantially circular cross section, and as shown in FIG. 2 (a), the center of the upper and lower surfaces 10a and 10b is connected vertically. Form.
[0013]
The lateral groove 12 is formed to extend in the horizontal direction at the center of the side surface, and the vertical groove 13 is formed to extend in the vertical direction at the center of the side surface.
Here, the lateral groove 12 is used when the solid block 10 is conveyed by the forklift 42 as shown in FIG. That is, if the two blocks 42 and 12a of the forklift 42 are inserted into the transverse grooves 12 and 12 arranged opposite to each other and the three-dimensional block 10 is sandwiched, the three-dimensional block 10 does not slide down from the arms 42a and 42a, so Can be transported.
Further, as shown in the plan view of FIG. 2 (c), the vertical groove 13 is formed in a cross-sectional shape having a taper such that the angle α ° is 45 ° or less. When such a taper is provided in the longitudinal groove 13, the mold 41 for creating the three-dimensional block 10 can be easily removed. That is, when using the formwork 41 in which the formwork on the two side surfaces is integrated in order to save the work of assembling and removing the formwork, the groove formed on the surface of the three-dimensional block 10 is an obstacle to the formwork removal. May be. However, if the angle α ° of the longitudinal groove 13 is set to 45 ° or less and the mold 41 is pulled out in parallel with the arrow P direction (diagonal direction), the mold can be removed smoothly.
[0014]
Next, the block suspension device 20 for lifting the three-dimensional block 10 will be described. In FIG. 3, in the block suspension device 20, pads 22 and 22 are connected to the outer periphery of the shaft member 21 via connecting members 27 a and 27 b, and the pads 22 and 22 are pushed out toward the hole surface of the through hole 11. Alternatively, a balance ring 24 and a balance plate 23 are provided for pulling back toward the shaft member 21.
[0015]
Here, each of the pads 22 and 22 is formed in a shape complementary to the hole surface of the tapered through hole 11.
[0016]
Further, the shaft member 21 is formed of a tubular body, a suspension hole 33 is provided at the upper end thereof, a pulley 35 is axially attached below the suspension hole 33, and the balance ring 24 is penetrated below the pulley 35. Two long holes 30 and 30 are formed at opposing positions so that the shaft penetrating pin 25 provided in the balance ring 24 passes through, and the lower end portion of the shaft member 21 is connected to a connecting member 27a by pins 28a and 28b, respectively. , 27b is pivotally attached, and the other ends of the connecting members 27a, 27b are pivotally attached to the pads 22, 22 by pins 29a, 29b.
[0017]
Further, the balance ring 24 is formed in a tubular shape that allows the shaft member 21 to slide therethrough, and the balance ring 24 passes through the long holes 30 and 30 of the shaft member 21 as described above and moves up and down. A shaft penetrating pin 25 is slidable on the shaft. A wire rope 34 hooked to a pulley 35 is connected to the shaft penetration pin 25, and one ends of connecting members 26 and 26 are pivotally attached. The other ends of the connecting members 26 and 26 are pivotally attached to the pads 22 and 22 by pins 29a and 29b. On the other hand, the balance plate 23 is formed with a hole 23a through which the shaft member 21 can pass, and the shaft member 21 is disposed through the hole 23a, and the balance plate 23 is attached to the balance ring 24 by the support member 31. Connected and supported.
[0018]
The wire rope 34 connected to the shaft penetrating pin 25 is wound around a winch or the like (not shown) provided in a lifting machine (not shown) so as to be freely wound and unwound. In FIG. 3, the connecting members 26, 27 a, 27 b, pins 28 a, 28 b, 29 a, 29 b, the pulley 35, the wire rope 34, and the like are illustrated so as to exist only on one side of the shaft member 21. These members may be provided in a similar arrangement on the opposite sides of the member 21.
[0019]
Next, a method for lifting the three-dimensional block 10 using the block lifting device 20 will be described. First, the wire rope 32 suspended from the lifting machine (not shown) is locked in the suspension hole 33 of the block suspension device 20, thereby lifting the block suspension device 20, as shown in FIG. 4 (1). Then, it is suspended and inserted into the through hole 11 of the three-dimensional block 10. At this time, until the shaft penetrating pin 25 reaches the uppermost end of the long hole 30, the balance ring 24 is pulled up by the winch of the hoist through the wire rope 34, and thereby the shaft penetrating pin 25 and the pins 28a, 28b Is the longest, and the angle formed by the connecting members 26 is minimized. Further, the pads 22 and 22 are pulled up by the connecting members 26 and 26 and pulled toward the outer periphery of the shaft member 21, and the angle formed by the connecting members 27a and 27a and the angle formed by the connecting members 27b and 27b are minimized. , 22 can be inserted into the through-hole 11 with a minimum outer periphery.
[0020]
Next, when the block suspension device 20 is suspended until the balance plate 23 comes into contact with the upper surface of the three-dimensional block 10 as shown in FIG. 4 (2), the wire rope 34 is moved as shown in FIG. 4 (3). The shaft member 21 is lifted through the wire rope 32 while being loosened. When such an operation is performed, the balance plate 23 remains in contact with the upper surface of the three-dimensional block 10 due to the weight of the balance ring 24, and only the shaft member 21 slides relatively upward in the balance ring 24, and the shaft The through pin 25 is located at the lowermost end of the long hole 30. As a result, the distance between the shaft penetrating pin 25 and the pins 28a, 28b is minimized, and the connecting members 26, 26 and 27a, 27a and 27b, 27b are opened to each other so that the angle formed between them is maximized. , 22 are pressed against the hole surface of the through hole 11.
[0021]
When the shaft member 21 is further lifted in a state where the pads 22 and 22 are pressed against the hole surface while the wire rope 34 is loosened, the three-dimensional block 10 can be lifted as shown in FIG. it can.
[0022]
Further, in the block suspension apparatus 20, if the reverse process of the above-described lifting method is performed, the three-dimensional block 10 is suspended from the state suspended as shown in FIG. 20 can be extracted from the through hole 11.
[0023]
【The invention's effect】
Since the three-dimensional block of the present invention has a hole that expands downward, a three-dimensional block that extends into the hole surface after being inserted into the hole and has a member that is crimped to the hole surface can be used as a three-dimensional block. The block can be suspended without providing a metal fitting such as a hanging hook. In other words, if the lifting device is locked to the hole surface of the hole, even if the lifting force is applied to the lifting device, it will not come out of the hole. Can be lifted.
[0024]
In addition, the solid block of the present invention is formed in a substantially hexahedron, and a groove extending in a substantially horizontal direction is provided on at least two opposite sides of the side surface. Therefore, a forklift that moves the two arms in the horizontal direction to hold an article is provided. used, three-dimensional blocks by inserting the two arms in the groove is cut with prevented from slipping off the arms.
[Brief description of the drawings]
FIG. 1 is a perspective view of a three-dimensional block of the present invention.
2A is a cross-sectional view of the solid block of FIG. 1, FIG. 2B is a side view of the solid block of FIG. 1, and FIG. 2C is a plan view of the solid block of FIG.
FIG. 3 is a side view showing the block suspension device in a state of being inserted into the hole of the three-dimensional block of the present invention.
4 is a side view showing a process of lifting a three-dimensional block by the block lifting device of FIG. 3;
FIG. 5 is a side view showing a state in which the solid block of the present invention is lifted by a forklift.
[Explanation of symbols]
10 Solid block 11 Through hole (hole)
12 Horizontal groove (groove)
21 Shaft member 22 Pad (contact member)
23 Balance plate (biasing means)
24 Balance ring (biasing means)
26, 27a, 27b connecting member

Claims (2)

A solid block for creating a structure on the sea floor by dropping it into the sea and forming a structure on the seabed, forming the solid block in a substantially cubic shape, and providing a through-hole that expands from the upper surface to the lower surface of the cube, A lateral groove extending in a substantially horizontal direction is provided on at least two opposite sides of the side surface, and the through hole is for inserting a lifting tool to lift a solid block, and the lateral groove is an arm of a forklift. A solid block for engaging the solid block from both sides .   The solid block according to claim 1, wherein a longitudinal groove extending in a vertical direction is provided on a side surface of the cube.

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