CN118025410A - Anchor block, anchor block setting device and anchor block setting method - Google Patents

Abstract

The invention relates to an anchor block setting device and method for setting anchor blocks in a sinking manner while excavating underwater ground, wherein the anchor block setting device excavates underwater ground while setting anchor blocks in a sinking manner, the anchor blocks are composed of a weight body comprising an upper surface and a lower surface and moored with a water floating structure, and the anchor block setting device comprises: an anchor block including an excavation through hole penetrating from an upper surface to a lower surface, the excavation through hole having a lower edge portion protruding more than a lower center portion, and being a blank space between the lower surface and the ground when placed on the ground under water; a digging drill bit rotating in the digging hole of the anchor block to dig underwater ground; an excavating rotation shaft, one end of which is connected with an excavating drill bit and which is provided to penetrate through the excavating through hole; the power source is connected to the other end of the excavating rotating shaft to generate rotating power; and a sludge discharge pipe for transporting sludge generated during the process of excavating the underwater ground by the excavating bit in the excavating hole to the outside.

Description

Anchor block, anchor block setting device and anchor block setting method

Technical Field

The present invention claims the rights of korean patent application No. 10-2022-0151639 and the rights of application No. 10-2022-0151640, which were filed to the korean patent office on day 11 and 14 of 2022, and the contents are all included in the present invention.

The invention relates to an anchor block for sinking an anchor block while excavating underwater ground, and an anchor block setting device and an anchor block setting method, in particular to the following anchor block, anchor block setting device and method: the anchor block comprises an excavating through hole and an excavating hole, the excavating through hole penetrates from the upper surface to the lower surface, the excavating hole is formed by protruding the edge part of the lower surface more than the central part of the lower surface, and the excavating rotary shaft provided with the excavating bit penetrates through the excavating through hole of the anchor block to excavate underwater ground by the excavating bit, so that the anchor block is arranged in a sinking manner.

Background

The floating mooring facility is a variety of structures such as a floating bridge, a barge, and a water house which are constructed on the water surface of a river, a sea, or the like. This consists of a pontoon in the shape of a box of steel or concrete material and creating a buoyant body that serves to support the building, and a connecting bridge connecting the land with the pontoon, a mooring chain anchoring the pontoon, etc. Such a buoy is constructed by a structure to be moored by being fixed to a plurality of anchor piles provided in a vertical direction on an underwater ground by connecting ropes or by connecting a cable or the like to an anchor disposed on the underwater ground.

In general, anchors are made of steel or concrete blocks and installed due to external forces such as impact force, tidal force or wave force of ships, and in particular, concrete blocks are often used in soil where external forces are large and clay or sandy soil. Accordingly, the floating mooring facility can be supported by the horizontal resistance such as the bottom and side adhesion, the difference between the passive soil pressure and the active soil pressure, and the vertical resistance such as the weight under water and the weight of the underwater soil cover.

In general, in order to perform anchor construction in a landfill form with a large supporting force in water, an anchor is placed after a sea floor is excavated, and then soil covering is performed to set the anchor.

Korean patent No. 10-1878918 is a method of burying a mooring block and a module using water pressure, and relates to a method of burying a mooring block and a module using water pressure as follows: the floating bridge is arranged at the position of the underwater foundation formed by river mud (soil), namely, the concrete blocks are used when the fixing facilities for berthing ships are used, and when the mooring anchor blocks manufactured by the concrete blocks sink to the foundation underwater, the water spraying gun is used for pressing the soil of the underwater foundation on which the mooring anchor blocks are to be placed, so that the underwater foundation is sunken, and the fixing force for fixing the mooring anchor blocks on the underwater foundation is further increased.

However, the issued patent is that in the case of a hard underwater foundation, the underwater foundation cannot be excavated by only a water sprayer, and the sludge generated during the excavation is caused to flow into the water, which has the disadvantage of causing an environmental pollution problem.

In addition, in order to inject air until the anchor block is completely sunk during the operation of the position formed by river mud (soil), the anchor is often additionally put in human power directly around the anchor, and thus, problems in terms of cost and safety also occur.

Disclosure of Invention

(Problems to be solved)

In order to solve the above problems, the present invention provides an anchor block including an excavation through hole penetrating from the upper surface to the lower surface, and an excavation hole having a lower edge portion protruding more than a lower center portion, the excavation through hole being formed with an excavation rotary shaft through which an excavation bit is inserted, the underwater ground being excavated by the excavation bit, and the anchor block being set to sink, and an anchor block setting device and method.

(Means for solving the problems)

An anchor block according to an embodiment of the present invention is constituted by a weight body including an upper face and a lower face and moorings a floating structure on water, comprising: digging a through hole, which penetrates from the upper surface to the lower surface; the digging hole, the lower edge portion being more convex than the lower center portion, is a blank space between the lower face and the underwater ground when placed on the underwater ground.

In addition, the excavation hole of the anchor block may be formed to have a predetermined inclination angle from the lower edge portion toward the lower center portion.

In addition, the anchor block may include at least one auxiliary through hole penetrating from the upper surface to the lower surface.

An anchor block setting device for sinking an anchor block while excavating an underwater ground according to an embodiment of the present invention includes: an anchor block comprising a weight body including an upper surface and a lower surface, the anchor block comprising an excavation through hole penetrating from the upper surface to the lower surface, and an excavation hole having a lower edge portion protruding more than a lower center portion and being a blank space between the lower surface and the ground when placed on the underwater ground; a digging bit rotating in the digging hole of the anchor block to dig the underwater ground; an excavating rotation shaft, one end of which is connected with an excavating drill bit and which is provided to penetrate through the excavating through hole; the power source is connected to the other end of the excavating rotating shaft to generate rotating power; and a sludge discharge pipe for transporting sludge generated during the process of excavating the underwater ground by the excavating bit in the excavating hole to the outside.

The anchor block further includes at least one auxiliary through hole penetrating from the upper surface to the lower surface; the sludge drain pipe penetrates through the auxiliary through hole, one end of the sludge drain pipe is connected with the digging hole of the anchor block, and the other end of the sludge drain pipe is connected with the outside.

The drill bit may be constituted by a bit body connected to one end of the drill rotary shaft and rotated together when the drill rotary shaft rotates, and a plurality of bit heads protruding in the longitudinal direction of the drill rotary shaft while being spaced apart from each other by a predetermined distance along the circumference of the bit body.

In addition, in order to transport sludge generated during excavation of the underwater ground with the excavating bit to the outside, a sludge discharge pump may be included at the other end of the sludge discharge pipe.

In addition, in order to enable the external air to enter the sludge discharge pipe, the sludge discharge pipe can comprise an external air inlet pipe, wherein one end of the external air inlet pipe is communicated with the middle of the sludge discharge pipe, and the other end of the external air inlet pipe is connected with the outside.

The anchor block setting device for setting the anchor blocks in a sinking manner while excavating the underwater ground can comprise an external air inlet fan which is connected to the other end of the external air inlet pipe so as to enable external air to enter.

According to an embodiment of the invention, an anchor block setting method for setting anchor blocks in a sinking manner in the process of excavating underwater ground can comprise the following steps: preparing an anchor block which is composed of a weight body comprising an upper face and a lower face and moors a water floating structure, and comprises a digging through hole and a digging hole, wherein the digging through hole penetrates from the upper face to the lower face, the digging hole is that the edge part of the lower face protrudes more than the central part of the lower face, and is a blank space between the lower face and the underwater ground when placed on the underwater ground; in order to excavate the underwater ground in the excavation hole of the anchor block, an excavation rotary shaft having an excavation bit formed at one end is provided to pass through the excavation penetration hole; and installing a power source at the other end of the excavating rotation shaft to rotate the excavating rotation shaft, thereby excavating the underwater ground with the excavating bit.

In addition, the anchor block preparation step is characterized in that a predetermined inclination angle is formed from the lower edge portion toward the lower center portion of the anchor block, and the anchor block can be set in a submerged manner during the underwater ground excavation.

The anchor block preparation step is characterized in that the anchor block further comprises at least one auxiliary through hole, and the auxiliary through hole penetrates from the upper surface to the lower surface, so that the anchor block can be sunk in the underwater ground excavation process.

In addition, the anchor block setting method for setting the anchor blocks in a sinking manner in the process of excavating the underwater ground can further comprise the step of placing the anchor blocks on the underwater ground, and the anchor block setting method is characterized in that the anchor blocks can be set in a sinking manner in the process of excavating the underwater ground.

In addition, the anchor block setting method for setting the anchor blocks in a sinking manner in the process of excavating the underwater ground can further comprise the following steps: the anchor block is fixed to the underwater ground after the underwater ground is excavated with the excavating bit.

In addition, the step of providing the excavating rotation shaft to pass through the excavating penetration hole may further include the steps of: and a sludge discharge pipe is arranged, one end of the sludge discharge pipe is connected with the digging hole of the anchor block, and the other end of the sludge discharge pipe is connected with the outside.

In addition, in the step of excavating the underwater ground with the excavating bit, the steps of: the sludge generated during excavation is transported to the outside through the sludge discharge pipe.

The sludge drain pipe installation step may further include a step of connecting a sludge drain pump to the other end of the sludge drain pipe.

In addition, the sludge drain arrangement step may further include the steps of: an external air inlet pipe is arranged, one end of the external air inlet pipe is connected to the middle of the sludge calandria, and the other end of the external air inlet pipe is connected with the outside, so that external air can enter the sludge calandria.

In addition, the step of arranging the external air inlet pipe may further include a step of arranging an external air inlet fan at the other end of the external air inlet pipe.

(Effects of the invention)

According to the above structure, the anchor block setting device and method for setting the anchor blocks while excavating the underwater ground according to the present invention have the effect of saving cost and shortening time when setting the anchor blocks because the anchor blocks can be set while excavating the underwater ground.

In addition, since the anchor block can be provided while excavating the underwater ground, there is an advantage in that the height of sinking the anchor block into the underwater ground can be easily adjusted.

In addition, the sludge generated during the excavating work is not discharged into water but can be carried out separately, so that it has an effect of preventing environmental pollution.

The effects obtainable in the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those having ordinary skill in the art to which the present invention pertains.

Drawings

Fig. 1 is a perspective view of an anchor block including a through hole and an excavation hole.

Fig. 2 is a perspective view of an anchor block including an excavated through hole and an excavated hole having a predetermined inclination angle.

Fig. 3 is a perspective view of an anchor block including a through hole and a hole and having circular upper and lower surfaces.

Fig. 4 is a side view of the sludge gauntlet provided in the anchor block setting device for setting the anchor blocks while digging the underwater ground.

Fig. 5 is a side view of a sludge drain pipe and an outside air intake pipe provided in an anchor block setting device for setting an anchor block while excavating an underwater ground.

Fig. 6 is a side view of a sludge drain pipe formed on the ground in the anchor block setting device for setting an anchor block while excavating the underwater ground.

Fig. 7 is a side view of a sludge drain pipe formed on the ground and an outside air intake pipe formed under water in an anchor block setting device for setting anchor blocks while excavating the ground under water.

Fig. 8 is a perspective view of an embodiment of the excavating rotating shaft and the excavating bit in the anchor setting apparatus for setting anchor while excavating the underwater ground.

Fig. 9 is a perspective view of another embodiment of the excavating rotating shaft and the excavating bit in the anchor setting device for setting down anchor while excavating the underwater ground.

Fig. 10 is a side view of a sludge drain pipe and an outside air intake pipe in an anchor block setting device for setting anchor blocks while excavating the underwater ground.

Fig. 11 is a block diagram of an anchor block setting method of setting anchor blocks sinking during underwater ground excavation.

Fig. 12 is a side view of the step of placing the anchor block on the ground underwater.

Fig. 13 is a side view of a step of excavating the underwater ground with an excavating bit.

Fig. 14 is a side view of the step of securing the anchor block to the underwater ground after digging the underwater ground with the digging bit.

(Description of the reference numerals)

1: Anchor block setting device

10: Anchor block

11: Digging through hole

12: Auxiliary through hole

13: Digging hole

14: Lifting lug

20: Excavating drill bit

21: Drill bit body

22: Drill bit head

30: Excavating rotating shaft

40: Power source

50: Sludge discharge pipe

51: Sludge discharge pump

60: External air inlet pipe

61: External air inlet fan

Detailed Description

The present invention will be specifically described with reference to the following simple description of the terms used in the present specification.

The general-purpose terms that may be widely used at present while considering the functions in the present invention have been selected for the terms used in the present invention, but this may be different according to the intention or case of working on the person skilled in the art, the appearance of new technology, and the like. In addition, in specific cases, there may be any term selected by the applicant, and in such cases, the meaning should be described in detail in the description section of the present invention. Therefore, the term used in the present invention is not defined solely by the name of the term, but is defined based on the meaning of the term itself and the content of the whole text.

Throughout the specification, when a portion "comprises" a certain element, unless specifically stated to the contrary, it is meant that other elements may also be included, and are not intended to be excluded. In addition, throughout the specification, when a certain portion is "connected" to another portion, this includes not only the case of "direct connection" but also the case of "connection in which other components are interposed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those having ordinary skill in the art to which the present invention pertains can easily implement the same. However, the present invention may be embodied in various forms and is not limited to the embodiments described herein. In order to clearly explain the present invention, parts irrelevant to the description are omitted in the drawings, and the same or similar members are given the same reference numerals throughout the description.

Various embodiments of the present invention are described below with reference to the accompanying drawings.

Fig. 1 is a perspective view of an anchor block 10 including a through hole 11 and a hole 13; fig. 2 is a perspective view of the anchor block 10 including the excavated through hole 11 and the excavated hole 13 having a predetermined inclination angle;

fig. 3 is a perspective view of the anchor block 10 including the excavation through-hole 11 and the excavation hole 13, and having circular upper and lower surfaces.

Referring to fig. 1, an anchor block 10 according to an embodiment is a floating structure constructed of a weight body including an upper face 10a and a lower face 10b and moored to water, the anchor block 10 may include: the excavation through hole 11 penetrates from the upper surface 10a to the lower surface 10 b; the excavation hole 13, the edge portion of the lower surface 10b protruding more than the center portion of the lower surface 10b, is a blank space between the lower surface 10b and the underwater ground when installed on the underwater ground.

The anchor block 10 serves as a weight body for connection to the floating structure on the water by means of cables and fixed to the ground under water, typically using concrete blocks, and may include reinforcing bars inside as required. In this regard, the material, weight, etc. of the anchor block 10 are not limited to a specific embodiment in the case where the anchor block 10 is fixed on the underwater ground to such an extent that the floating structure on the water does not move due to the change in the cable tension caused by the change in the water surface height.

In addition, the shape of the anchor block 10 is not limited to a specific embodiment, and referring to fig. 3, the anchor block 10 may have a circular shape on the upper surface 10a and the lower surface 10 b.

Fig. 4 is a side view showing the arrangement of a sludge drain 50 in the anchor block arrangement 1 for sinking the anchor block 10 while excavating the underwater ground; fig. 5 is a side view showing the arrangement of a sludge drain pipe 50 and an outside air intake pipe 60 in the anchor block arrangement device 1 for sinking the anchor block 10 while excavating the underwater ground; fig. 6 is a side view of the sludge drain 50 formed on the ground in the anchor block setting device 1 for setting the anchor block 10 while excavating the underwater ground; fig. 7 is a side view of the anchor block setting device 1 in which the sludge drain pipe 50 is formed on the ground and the outside air intake pipe 60 is formed under the water while excavating the ground under the water.

On the other hand, the anchor block 10 has an upper surface 10a and a lower surface 10b, and may have a through-hole 11 penetrating the upper surface 10a and the lower surface 10b and a predetermined through-hole 13 formed in the lower surface 10 b.

Referring to fig. 4, the diameter of the excavation penetration hole 11 is formed to be such that the excavation rotation shaft 30 of the anchor block placement apparatus can pass therethrough and rotate. The position of the excavated through-holes 11 is generally vertically formed at the central portion of the upper face 10a, and a plurality of excavated through-holes 11 may be formed at a predetermined interval at the center according to the scale of the anchor block setting device. Or the diameter of the excavating through hole 11 may be formed to be large to such an extent that the excavating through hole 11 can be passed through by the excavating bit 20 according to the size of the excavating bit 20 of the anchor setting apparatus.

The excavation hole 13 is a space where the excavating bit 20 can excavate the underwater ground, and is formed between the anchor block 10 and the underwater ground in the case where the anchor block 10 is placed on the underwater ground. The shape and size of the excavation hole 13 may be varied according to the size and height of the anchor block 10, the size and type of the anchor block installation apparatus, the size and shape of the excavating bit 20, the texture of the underwater soil, the degree of sludge generation according to the speed of excavating the underwater ground, and the like. In particular, referring to fig. 2, in the case where the foundation of the underwater ground is clay or sand, the excavation hole 13 may be formed to have a predetermined inclination angle from the edge portion of the lower surface 10b toward the center portion of the lower surface 10 b. Accordingly, when excavating the underwater ground, the negative pressure is formed at the excavation hole 13 while the earth or sand of the excavated portion is removed, and thus, the anchor block 10 can be more easily disposed at the underwater ground because of the load of the anchor block 10.

Referring to fig. 1, 2, 3 and 4, at least one auxiliary through hole 12 may be provided, and the auxiliary through hole 12 penetrates from the upper surface 10a to the lower surface 10 b. The auxiliary through hole 12 is a through hole for carrying in or out a desired material into or from the excavation hole 13 with excavation of the underwater ground, and is generally smaller than the diameter of the excavation through hole 11. In addition, a plurality of auxiliary through holes 12 may be formed as required.

Referring to fig. 1,2 and 3, a lifting lug 14 is formed on an upper surface 10a of the anchor block 10, and corresponds to a portion connected to a chain for fishing the anchor block 10 with a crane or the like on the ground under water. The lifting lug 14 is formed in such a manner that, in the case where the through hole 11 for excavation is not formed in the center of the anchor block 10, one lifting lug 14 is formed in the center of the upper surface 10a of the anchor block 10. Or 2 lifting lugs 14 may be formed at the corners of the anchor block 10 facing each other at 10a, and 4 lifting lugs 14 may be formed at each corner. This is not limited to a particular embodiment, but may be modified according to the size and weight of the anchor block 10, etc.

Referring to fig. 4, an anchor block setting device according to an embodiment may include: an anchor block 10 including an excavation penetration hole 11 and an excavation hole 13, the excavation penetration hole 11 penetrating from an upper surface 10a toward a lower surface 10b, the excavation hole 13 being an edge portion of the lower surface 10b protruding more than a center portion of the lower surface 10b, and being a blank space provided between the lower surface 10b and the ground surface under the ground surface; a digging bit 20 rotating in the digging hole 13 of the anchor block 10 to dig the underwater ground; a digging rotation shaft 30 having one end connected to the digging bit 20 and penetrating the digging through hole 11; a power source 40 connected to the other end of the excavating rotation shaft 30 to generate rotation power; the sludge discharge pipe 50 carries sludge generated during the process of excavating the underwater ground with the excavating bit 20 through the excavating hole 13 to the outside.

In particular, the case of the anchor block setting device 1 including the excavating bit 20, the excavating rotation shaft 30 and the power source 40, which is generally a device that can perforate the seabed or the ground under water, is not limited to a specific embodiment.

Fig. 8 is a perspective view of an embodiment of the excavating rotation shaft 30 and the excavating bit 20 in the anchor block setting apparatus 1 for setting the anchor block 10 while excavating the underwater ground; fig. 9 is a perspective view of another embodiment of the excavating rotation shaft 30 and the excavating bit 20 in the anchor setting apparatus 1 for setting the anchor 10 while excavating the underwater ground.

Referring to fig. 8 and 9, the excavating bit 20 may be composed of a bit body 21 and a bit head 22, the bit body 21 being connected to one end of the excavating rotation shaft 30 to rotate together when the excavating rotation shaft 30 rotates, the bit head 22 protruding in the longitudinal direction of the excavating rotation shaft 30 while being spaced apart by a predetermined distance along the circumference of the bit body 21. The characteristics are as follows: the upper face 10a and the lower face 10b of the anchor block 10 are formed to be slightly larger than the scale of the anchor block setting device, and the bit body 21 may be formed to be slightly larger in diameter or length in the case where a large area of underwater ground needs to be excavated with a minimum of devices.

According to an embodiment, referring to fig. 8, in the bit body 21 formed in a disc shape, a plurality of penetrating portions are formed at portions where the excavating rotation shaft 30 and the bit 22 are not provided, and thus sludge can be easily passed through when the excavating bit 20 rotates.

Or according to another embodiment, referring to fig. 9, among the plurality of bit bodies 21 formed to protrude in a direction perpendicular to the excavating rotation shaft 30 while being spaced apart by a predetermined interval, a plurality of bit heads 22 may be formed in a length direction of the excavating rotation shaft 30 from each bit body 21.

In addition, depending on the soil quality of the ground under water, changes may be made in the structure and materials of the installed drill bit, and this is not limited to a specific embodiment.

The excavating rotation shaft 30 has one end connected to the excavating bit 20 and the other end connected to the rotation power source 40, and rotates the excavating bit 20 by the rotation force of the power source 40. The underwater ground is excavated by rotation of the excavating bit 20 in the excavation hole 13, thereby generating excavated soil, seawater and other foreign matters (sludge). In this case, the excavation hole 13 of the anchor block 10 is closed from the water outside the excavation hole 13, and the sludge in the excavation hole 13 prevents the installation of the anchor block 10, so that the efficiency of the excavation work can be reduced.

As a result, referring to fig. 5 and 6, in order to carry the sludge generated in the excavation hole 13 to the outside, a sludge discharge pipe 50 may be provided to be connected to the outside. In this regard, the sludge drain pipe 50 is inserted into the auxiliary through hole 12, one end of which is connected to the excavation hole 13 of the anchor block 10, and the other end of which is connectable to the outside. Alternatively, the sludge drain pipe 50 may be inserted into the excavation through-hole 11 simultaneously with the excavation rotation shaft 30, and may be provided inside the excavation rotation shaft 30. That is, the sludge discharge pipes 50 are respectively disposed in parallel in the excavation through holes 11 or in the excavation rotary shaft 30, and the sludge entering the excavation drill 20 having the sludge inlet pipe formed therein can be transferred to the sludge discharge pipes 50 in the excavation rotary shaft 30. This may vary in structure according to the size of the anchor block 10, the scale of the anchor block setting device, etc., and may vary according to the work efficiency when setting the anchor block 10.

The outside may also be in water, on the ground or a vessel provided with anchor blocks 10. In particular, in the case of discharging sludge in water as shown in fig. 5, environmental pollution may be caused, so that sludge is carried to the ground or a ship separately treats dirt other than seawater through a purification process, etc., as shown in fig. 6, according to the need.

Fig. 10 is a side view of the sludge drain pipe 50 and the outside air intake pipe 60 in the anchor block setting device 1 for setting the anchor block 10 while excavating the underwater ground.

In addition, referring to fig. 10, the anchor block setting device for simultaneously sinking the anchor block 10 while excavating the underwater ground according to an embodiment may include a sludge discharge pump 51 at the other end of the sludge discharge pipe 50 in order to carry sludge generated during the excavation of the underwater ground with the excavating bit 20 to the outside. Because of the high-speed rotation of the excavating bit 20, in the case where the sludge generation speed exceeds the volume of the excavating hole 13 and sludge is not easily discharged, problems associated with a reduction in the setting operation speed of the anchor block 10, equipment failure, and the like may occur. Therefore, although the sludge overflows and is discharged to the ground through the sludge discharge pipe 50, the pump is provided at the other end of the sludge discharge pipe 50 to discharge the sludge, thereby facilitating the efficiency of the work and the protection of the equipment. This may be carried out while digging the ground under water, or may be carried out at intervals with the appropriate degree of sludge being produced. The sludge transported to the ground is collected in a separate space, and water is separated by a purification process, thereby treating sewage other than seawater, etc. The sludge discharge pump 51 may use a water pump, a compressor, or the like, which is not limited to a specific embodiment.

Or to enable the outside air to enter the sludge drain pipe 50, an outside air intake pipe 60 may be included, one end of the outside air intake pipe 60 being connected to the middle of the sludge drain pipe 50, and the other end being connected to the outside. Referring to fig. 5, 6 and 7, the outside air intake pipe 60 may supply outside air in water or may supply outside air outside such as a ship and the ground.

Further, referring to fig. 10, the sludge drain pipe 50 is formed in a straight line shape from the outside air intake pipe and the portion communicating with the outside air intake pipe 60, and the pipe is formed to have a slightly smaller diameter from the one end of the sludge drain pipe 50 to the portion communicating with the outside air intake pipe 60. This can be formed by venturi effect, and the pressure difference is formed with the excavation hole 13 by increasing the pressure while the outside air passes through the position where the diameter is reduced, so that the sludge generated in the space rises.

The outside may here be the ground or a vessel provided with anchor blocks 10. This is not limited to a particular embodiment in the case of a space into which outside air may enter.

In addition, in order to generate such outside air, an outside air intake fan 61 may be included, the outside air intake fan 61 being connected to the other end of the outside air intake pipe 60. In the case of blowing strong wind through the outside air intake duct 60 by the outside air intake fan 61, in the case where the pressure of the inlet and the flow rate of the communicating portion are constant according to the bernoulli equation, the pressure of the communicating portion is reduced, with the effect that the sludge can be more rapidly raised.

On the other hand, the anchor block setting method S1 for setting the anchor block 10 sinking during excavation of the underwater ground according to an embodiment is, including the steps of: preparing an anchor block 10, wherein the anchor block 10 is composed of a weight body comprising an upper surface and a lower surface and moors a water floating structure, and comprises a through hole and a digging hole 13, wherein the through hole penetrates from the upper surface to the lower surface, the digging hole 13 is a blank space between the lower surface and the underwater ground when being placed on the underwater ground, and the lower edge part of the digging hole 13 is more protruded than the central part of the lower surface; in order to excavate the underwater ground in the excavation hole 13 of the anchor block 10, an excavation rotation shaft 30 having an excavation bit 20 formed at one end is provided to pass through the excavation penetration hole 11 (S20); a power source 40 is mounted to the other end of the excavation rotation shaft 30 to rotate the excavation rotation shaft 30, and the underwater ground is excavated by the excavation bit 20 (S30).

Fig. 11 is a block diagram of an anchor block 10 setting method of setting anchor blocks 10 sinking during underwater ground excavation.

As shown in fig. 1,2 and 3, the anchor block 10 preparing step (S10) is a step of preparing the anchor block 10 according to an embodiment. The features of the anchor block 10, the excavated through hole 11, the excavated hole 13, the auxiliary through hole 12, etc. may be the same as the anchor block 10 according to an embodiment.

In addition, the underwater ground excavation process according to an embodiment may include a step of placing the anchor block 10 on the underwater ground (S11).

Fig. 12 is a side view of the step of placing anchor block 10 on the ground underwater. Referring to fig. 12, the lifting lug 14 of the anchor block 10 is connected by a chain, and the anchor block 10 can be placed on the ground underwater by a crane. In particular, this step is characterized by placing the portion of the anchor block 10 where the excavation 13 is located down to the ground surface under water.

Referring to fig. 4 to 7, the step (S20) of providing the excavation rotation shaft 30 through the excavation penetration hole 11 is to provide the excavation rotation shaft 30 through the excavation penetration hole 11 after the anchor block 10 is placed on the underwater ground to be provided, so as to perform an excavation operation.

Alternatively, in the case where the widths of the upper and lower surfaces 10a and 10b of the anchor block 10 are slightly larger than the scale of the anchor block setting device 1, the excavating bit 20 connected to one end of the excavating rotation shaft 30 may be larger than the diameter of the excavating rotation shaft 30. In this case, it is also possible to first place the anchor block 10 on the underwater ground after positioning the excavating bit 20 separated from the excavating rotating shaft 30 on the underwater ground on which the anchor block 10 is to be placed, and then connect with the excavating rotating shaft 30.

In this process, a step of disposing the sludge drain 50 may be further included (S21), one end of the sludge drain 50 being connected to the excavation hole 13 of the anchor block 10, and the other end being connected to the outside. The arrangement position and method of the sludge drain 50 are not particularly limited to one embodiment, but the order may be changed according to the above description.

Fig. 13 is a side view of a step of excavating the underwater ground with the excavating bit 20.

Referring to fig. 13, in the step (S30) of excavating the underwater ground with the excavating bit 20, the rotary power source 40 is connected to the other end of the excavating rotary shaft 30, and the excavating bit 20 connected to one end is rotated by the rotary force of the power source 40, so that the underwater ground can be excavated. An excavation space is formed on the underwater ground below the excavation hole 13 through the excavation process, because the load of the anchor block 10 can be buried in the underwater ground in the space. In this process, the length of the excavating rotation shaft 30 can be adjusted according to the set height of the anchor block 10 as a purpose.

Further, referring to fig. 13, in the step of excavating the underwater ground with the excavating bit 20 (S30), a step of transporting sludge generated at the time of excavation to the outside through the sludge discharge pipe 50 (S31) may be further included. This may be carried out while digging the ground under water, or may be carried out at intervals with the appropriate degree of sludge being produced.

Further, referring to fig. 10, in order to carry the sludge to the outside through the sludge discharge pipe 50, a step of providing a sludge discharge pump at the other end of the sludge discharge pipe 50 may be further included (S22). The sludge discharge pump 51 may include the above description.

Alternatively, referring to fig. 13, the step of disposing the sludge drain 50 (S21) may further include the steps of: in order to make the external air enter the sludge drain pipe 50, an external air inlet pipe 60 is provided, one end of the external air inlet pipe 60 is connected to the middle of the sludge drain pipe 50, and the other end is connected to the outside (S23). The outside air intake duct 60 may also include the above description.

Referring to fig. 7, the step of providing the outside air intake pipe 60 for generating outside air (S23) may further include the steps of: an outside air intake fan 61 is provided, and the outside air intake fan 61 is connected to the other end of the outside air intake pipe 60 (S24). The outside air intake fan 61 may also include the above description.

Fig. 14 is a side view of the step of securing anchor block 10 to the underwater ground after excavating the underwater ground with excavating bit 20.

Referring to fig. 14, the steps of: after excavating the underwater ground with the excavating bit 20, the anchor block 10 is fixed to the underwater ground (S40). When the excavation work is completed, the excavating bit 20 and the excavating rotation shaft 30 are removed from the excavating hole 13 and the excavating through hole 11, and the sludge discharge pipe 50 is also removed. Then, the excavation hole 13, the excavation through-hole 11, and the auxiliary through-hole 12 are filled with grout injected with cement paste, and the anchor block 10 is installed.

The anchor block setting device for setting the anchor blocks while digging the underwater ground as described above and shown in the drawings is merely one embodiment for carrying out the present invention and should not be construed as limiting the technical idea of the present invention. The embodiments of the improvements and changes without departing from the gist of the present invention are obvious to those skilled in the art to which the present invention pertains, and therefore fall within the scope of the present invention.

Claims (19)

1. An anchor block, comprised of a body of weight comprising an upper face and a lower face and moored to a water floating structure, comprising:

A through hole penetrating from the upper surface to the lower surface; and

The digging hole, the lower edge portion is more convex than the lower center portion, is a blank space between the lower surface and the underwater ground when placed on the underwater ground.

2. The anchor block of claim 1, wherein the anchor block is configured to be secured to the anchor block,

The excavation hole of the anchor block forms a predetermined inclination angle from the lower edge portion toward the lower center portion.

3. Anchor block according to claim 1 or 2, characterized in that,

The anchor block includes at least one auxiliary through hole penetrating from the upper face to the lower face.

4. An anchor block setting device for setting an anchor block while excavating an underwater ground, comprising:

An anchor block which is composed of a weight body including an upper surface and a lower surface and moors a water floating structure, and which includes an excavating through hole penetrating from the upper surface toward the lower surface, and an excavating hole which is a blank space between the lower surface and the ground when placed on the underwater ground, wherein an edge portion of the lower surface protrudes more than a center portion of the lower surface;

a digging bit rotating in the digging hole of the anchor block to dig the underwater ground;

an excavating rotation shaft having one end connected to the excavating bit and penetrating the excavating penetration hole;

A power source connected to the other end of the excavating rotation shaft to generate rotation power; and

A sludge discharge pipe for transporting sludge generated during the process of excavating the underwater ground in the excavation hole by the excavating bit to the outside.

5. An anchor block setting device for simultaneously sinking an anchor block while excavating an underwater ground according to claim 4, wherein,

The anchor block comprises at least one auxiliary through hole, and the auxiliary through hole penetrates from the upper surface to the lower surface;

The sludge drain pipe penetrates through the auxiliary through hole, one end of the sludge drain pipe is connected with the digging hole of the anchor block, and the other end of the sludge drain pipe is connected with the outside.

6. An anchor block setting device for simultaneously sinking an anchor block while excavating an underwater ground according to claim 4, wherein,

The excavating bit consists of a bit main body and a plurality of bit heads;

the drill bit body is connected to one end of the excavating rotation shaft and rotates together with the excavating rotation shaft when the excavating rotation shaft rotates;

the plurality of bit heads protrude in a length direction of the excavating rotation shaft while being spaced apart by a predetermined interval along a circumference of the bit body.

7. An anchor block setting device for simultaneously sinking an anchor block while excavating an underwater ground according to claim 4, wherein,

In order to transport sludge generated during excavation of the underwater ground with the excavating bit to the outside, a sludge discharge pump is included at the other end of the sludge discharge pipe.

8. An anchor block setting device for simultaneously sinking an anchor block while excavating an underwater ground according to claim 4, comprising:

the external air inlet pipe is used for enabling external air to enter the sludge discharge pipe, one end of the external air inlet pipe is communicated with the middle of the sludge discharge pipe, and the other end of the external air inlet pipe is connected with the outside.

9. The anchor block setting device for simultaneously sinking an anchor block while excavating an underwater ground according to claim 8, comprising:

The external air inlet fan is connected with the other end of the external air inlet pipe so as to enable external air to enter.

10. An anchor block setting method for setting anchor blocks in a sinking manner in the process of excavating an underwater ground, comprising the following steps of:

Preparing an anchor block which is composed of a weight body including an upper face and a lower face and moors a floating structure on water, and which includes a digging through hole penetrating from the upper face to the lower face, and a digging hole which is a margin portion of the lower face more protruding than a center portion of the lower face, and which is a blank space between the lower face and the underwater ground when placed on the underwater ground;

Providing an excavating rotary shaft having an excavating bit formed at one end thereof to pass through the excavating through hole in order to excavate the underwater ground in the excavating hole of the anchor; and

And installing a power source at the other end of the excavating rotation shaft to rotate the excavating rotation shaft, and excavating the underwater ground by the excavating bit.

11. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 10, wherein,

The anchor block preparation step is that,

A predetermined inclination angle is formed from the lower edge portion of the anchor block toward the lower center portion.

12. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 10, wherein,

The anchor block preparation step is that,

The anchor block further includes at least one auxiliary through hole penetrating from the upper surface to the lower surface.

13. The anchor block setting method for setting an anchor block in sinking during excavation of an underwater ground according to claim 10, further comprising the step of:

and placing the anchor block on the underwater ground.

14. The anchor block setting method for setting an anchor block in sinking during excavation of an underwater ground according to claim 10, further comprising the step of:

The anchor block is secured to the underwater ground after the underwater ground is excavated with the excavating bit.

15. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 10, wherein,

The step of providing the digging rotation shaft to pass through the digging through hole further includes the steps of:

And arranging a sludge discharge pipe, wherein one end of the sludge discharge pipe is connected with the digging hole of the anchor block, and the other end of the sludge discharge pipe is connected with the outside.

16. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 15, wherein,

In the step of excavating the underwater ground with the excavating bit, further comprising the steps of:

The sludge generated during excavation is transported to the outside through the sludge discharge pipe.

17. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 15, wherein,

The sludge drain pipe setting step further comprises the following steps:

and a sludge discharge pump is arranged at the other end of the sludge discharge pipe.

18. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 15, wherein,

The sludge drain pipe setting step further comprises the following steps:

An external air inlet pipe is arranged, one end of the external air inlet pipe is connected to the middle of the sludge calandria, and the other end of the external air inlet pipe is connected with the outside, so that external air enters the sludge calandria.

19. The anchor block setting method for sinking an anchor block during excavation of an underwater ground according to claim 18, wherein,

The step of setting the external air inlet pipe further comprises the following steps:

An external air inlet fan is arranged at the other end of the external air inlet pipe.