KR100729864B1 - Dredger - Google Patents

Abstract

A dredger is provided to improve efficiency and reduce manufacturing costs by specialization of dredging works of a first operating unit and a second operating unit. A dredger includes a hinge unit, a housing(52), a rotating hydraulic cylinder(51), a beam(53), and a lifting hydraulic cylinder(54). The hinge unit is installed at a rear of a boat(14) of a buoyant unit(10). The housing is coupled at the hinge unit, and is installed to rotate front and back of the boat. The rotating hydraulic cylinder is connected to the boat and the housing, and rotates front and back of the boat. The beam is coupled to slide at the housing, and is guided by the housing when being lifted. The lifting hydraulic cylinder is connected to the housing and the beam, and makes the beam coupled at the housing lifted.

Description

Dredger {Dredger}

1 is a perspective view of a dredger according to the present invention,

2 is a side view of a dredger according to the present invention;

3 is an operation of the left and right balance of the dredger according to the invention,

4 is an operation of the spud of the dredger according to the present invention,

5 is an operation view showing a state loaded on the moving means according to the invention,

6 is a use state diagram showing the dredging operation of the dredger according to the present invention,

<Description of Symbols for Main Parts of Drawings>

100: dredger 10: buoyancy part

11 suction pipe 11a suction network

12: moving pipe 13: discharge pipe

14: ship 20: first operating part

21: First Cab 22: Boom

22a: bucket 23: wire

30: second operation unit 31: the second cab

32: suction centrifugal pump 33: storage chamber

40: left and right balance 41 41: hydraulic cylinder
51: rotating hydraulic cylinder 54: lifting hydraulic cylinder

41a, 51a, 54a: piston

42, 53: beam 43: buoyant body

50: spud 52: housing

200: means of transportation

The present invention relates to a dredger, in particular a short distance movement of the dredger is possible, the dredger is floating on the water surface when dredging the contaminated sediment It is possible to prevent the phenomenon of moving, and dredging work in stable state is possible by keeping the dredger's balance left and right due to the fluctuation of water during dredging work, and it is possible to separate the operation of dredger and other equipment's cab to separate the work process. It is about a dredger that can increase efficiency and ensure safety.

In general, dredgers are dredging to deepen the depths of rivers, canals, ports and routes, collecting soil, sand, minerals, etc. under water, foundation construction of underwater structures, and lifting and removing sea waste. Used for work.

In addition, appropriate facilities and equipment are provided depending on the depth of dredging water, the type of soil at the bottom, and the transport distance of dredged material. A dredger is a dredger capable of self-navigating with an engine, a dredger without an engine and being moved only by tugboats, or a low-draining dock capable of dumping soil or sand dredged on the hull, ie with a hopper. have.

In addition, the basic form of the dredger has the following forms and features.

First, a dipper dredger is used to pump up the bottom of the water using a powerful shovel powered by power, and when the soil is not rock, it is formed to be dredged.

Grab dredger is a grab dredger hanging from the grab bucket to the bottom of the water while grabbing the grab open to spread soil, sand, gravel, etc., is formed so as not to be limited in depth.

 In addition, ladder dredgers, like bottom-up escalators, move ladders down to the bottom and many chained buckets move around the ladder in caterpillar, and empty buckets descend on the back of the ladder to scrape dirt and sand from the floor. As soon as they climb up the front of the ladder and pass down the peak, they mud, sand, and gravel naturally spilled on the runway and slide into the dock to collect.

In addition, a hydraulic dredger is also called a suction dredger. A centrifugal pump pumps mud, sand, and gravel from the bottom of the water with the water and sends it to a waste place through a pipe installed on the surface of the water. Alternatively, water is discharged from a mixture of water, soil, sand, and gravel pumped up, and only solid materials such as soil, sand, and gravel are collected in a dock and disposed of in a waste place. Among suction dredgers, a cutter is installed at the end of the suction port to disperse the soil at the bottom of the water by the rotation of the cutter, and to be used as a suction surface of a large area.

However, conventional dredging dredgers, that is, suction dredgers, had a problem of dredging the dredger due to the flow rate of water when dredging the contaminated sediment deposited on the bottom of rivers or reservoirs, thereby leaving the dredging work position.

In addition, the conventional dredger is shaken from side to side during the dredging operation is difficult, the dredger is inclined there was a problem that the risk of safety accidents occur.

In addition, the operator operating the various equipment is operating a variety of devices and equipment, the efficiency of the work is reduced, there is a problem that the installation cost or labor cost increases because the mobile equipment or a large number of personnel for the movement on the ground.

Therefore, the present invention has been made in view of the problems of the prior art as described above by installing one of the grapple, milling cutter, compactor as a substitute for the bucket mounted on the boom of the first driving unit according to the type of dredging operation Depending on the characteristics of the bottom of the reservoir, it is possible to float the bucket or pick up rocks or bulky objects using grapples, cut them using a milling cutter, or use the compactor to bulge them. The purpose is to provide an improved dredger to tap and select selectively.

In addition, another object of the present invention is responsible for the operation of the boom and the suction pipe, the work radius and visibility is widened by the first operating portion configured to turn, while the engine or inorganic coagulant injection device installed and fixed to the buoyancy portion , The left and right balance part, the second operation part which is in charge of the operation and control of the stud are formed, and the efficiency of dredging work is simplified by the division of work during the dredging work of the first operation part and the second operation part, and the work is simplified The purpose is to provide an improved dredger to be increased.

In addition, another object of the present invention is to maintain the hydraulic pressure of the left and right balance parts fixed to both sides of the buoyancy part to prevent the buoyancy part to swing left and right due to the fluctuation of the surface when dredging work while the buoyancy part is floating on the water surface By operating the cylinder, the buoyant body of the left and right balance part is in contact with the water surface to prevent a certain amount of fluctuation of the buoyancy part, and the spud installed at the rear of the buoyancy part is prevented from being shaken by the water fluctuation or floating the surface to leave the work space. It descends to the lower part to act as a central weight, and when the water depth is shallow during dredging work in rivers or reservoirs, it provides a dredger with an improved structure so that the buoyant part is fixed to the bottom to secure the dredging work. There is a purpose.

Another object of the present invention is to provide a dredger having an improved structure so that a dredger can be moved within a short distance by using a boom, left and right balance parts, and a stud.

The present invention to achieve the above object, the propulsion engine is mounted to generate a propulsion force; A screw connected to the propulsion engine and operated by the driving force; A suction pipe having a suction network at the end of the dredger is formed in front of the dredger, and a moving pipe is formed in left and right sides and rearwards so as to communicate with the suction pipe, and a ship-shaped buoyancy portion is formed by connecting a discharge pipe to the moving pipe 12. Wow; The front part of the buoyancy part is responsible for the operation and movement of the buoyancy part, a first cab is formed to be pivotally installed in a turntable method, is connected to the front of the first cab fixed and operated by the operation of the first cab, bucket mounted excavator A first operating part connected to a lower portion of the boom using a wire to a boom having a shape used for; A container-shaped second cab is provided at the rear of the first cab of the first operating part, and is a storage chamber for accommodating a suction centrifugal pump, a propulsion engine, and an organic-inorganic coagulant dosing device that apply suction to the suction pipe of the buoyancy part to the rear of the second cab. A second operating portion formed; It is formed on the left and right sides of the buoyancy portion is operated through the second cab of the second operating portion, the hydraulic cylinder is configured with a piston actuated by the hydraulic action is fixed, the upper end of the beam is connected to the piston end of the hydraulic cylinder, one end of the beam In the dredger to be dredged in the river, the other end of the beam is fixed to the left and right balance portion is fixed to the cylindrical buoyancy body floating in contact with the water surface;
A hinge portion installed at the rear of the ship of the buoyancy portion, a housing coupled to the hinge portion and installed to rotate in the front-back direction of the ship, and a rotational hydraulic pressure connected to the ship and the housing to rotate the housing in the front-back direction of the ship A pair of spuds comprising a cylinder, a beam coupled to the housing so as to be guided by the housing during lifting, and a lifting hydraulic cylinder connected to the housing and the beam to lift the beam coupled to the housing. It is characterized by.

delete

delete

delete

delete

delete

In addition, the first cab has a turntable formed at the bottom thereof, and the operation radius and the width of the field of view are widened by turning in the left and right directions, and the bucket mounted at the end of the boom is replaced with one of a grapple, a milling cutter, and a compactor. Characterized in that configured to perform the work.

The preferred embodiment of the present invention as described above will be described in detail based on the accompanying drawings.

delete

delete

1 is a perspective view of a dredger according to the present invention, FIG. 2 is a side view of a dredger according to the present invention, FIG. 3 is an operation diagram of left and right balance parts of a dredger according to the present invention, and FIG. 4 is a dredger according to the present invention. 5 is an operation diagram of the spud, Figure 5 is an operation diagram showing a state loaded on the moving means according to the invention, Figure 6 is a state diagram showing the dredging operation of the dredger according to the present invention.

As shown in Figures 1 to 4, the present invention is formed with a screw to be driven by the driving of the propulsion engine in the rear, the front of the mobile pipe 12 so as to communicate with the suction pipe 11 is formed with the suction network (11a) The first cab 21 formed inside and connected to the discharge pipe 13 to the left and right sides and the rear side, and the first cab 21 which is in charge of the buoyancy unit 10 and rotates in a turntable manner. Is formed, but the first operation unit 20 is connected to the suction pipe 11 by using a wire 23 to the boom 22, the bucket 22a is mounted to the end formed to be connected to the first cab 21, A second cab 31 is provided at the rear of the first operating part 20, a pump 32 for applying a suction force to the suction pipe 11 behind the second cab 31, and a propulsion engine (not shown). And a second operating part 30 including a storage chamber 33 for accommodating an organic / inorganic coagulant injection device (not shown), and formed on left and right sides of the buoyancy part 10 to provide hydraulic pressure. The upper portion of the beam 42 is connected to the end of the piston (41a) of the hydraulic cylinder 41 is operated for the purpose, the left and right of the cylindrical buoyancy body 43 is fixed to the end of the beam (42) The balance part 40 and the rear end of the buoyancy part 10 are connected to the upper end of the hollow housing 52 by the end of the piston 51a of the rotating hydraulic cylinder 51 which is operated by a hydraulic action. The rotating hydraulic cylinder 51 which inserts the beam 53 inside and raises and lowers the beam 53 up and down inside the housing 52 is fixed, and the piston 51a of the rotating hydraulic cylinder 51 is a beam. The dredger 100 is constituted by a pair of spuds 50 connected to one side of the 53.

The buoyancy unit 10 is equipped with a propulsion engine (not shown) for generating a propulsion force, and has a screw (not shown) operated by the driving force of the propulsion engine at the rear, and the suction network 11a at the front. The suction pipe 11 provided at this end is formed, the moving pipe 12 is connected to the left and right and rear to the inside in communication with the suction pipe 11, the discharge pipe 13 is connected to the moving pipe 12 is formed It is comprised in the shape of the ship 14.

In addition, the propulsion engine and the scoop are composed of a structure and a function used for a ship reciprocating a sea, a river or a river.

In addition, the suction pipe 11 and the discharge pipe 13 is composed of a rubber material that is not folded or bent due to the twisting or bending phenomenon, it is a ductile material that can form freely and the iron core inside to give rigidity It is united and composed.

On the other hand, the moving pipe 12 is used as a moving path of the contaminated sediment sucked through the suction pipe 11, the check valve (not shown) that can be opened and closed in the portion where the discharge pipe 13 is connected to the moving pipe (12) ) Is configured to open and close according to dredging work.

In addition, the boat 14 is configured to be installed on the left and right safety rails to prevent the worker from falling to the outside.

In addition, the first operation unit 20 is formed on the front upper portion of the buoyancy unit 10 and is responsible for the operation and movement of the control of the propulsion engine of the buoyancy unit 10 and the change of direction through the screw, and the turntable 21a. The first cab 21 is pivotally mounted in a manner, and is connected and fixed to the front of the first cab 21 to be operated by the operation of the first cab 21 and used for an excavator equipped with a bucket 22a. The suction pipe 11 is connected to the lower part of the boom 22 using the wire 23 to the boom 22 of the shape.

This, the first cab 21 is formed so that the front and the rear is made of glass to ensure the view, the door is formed on the left and right to improve the mobility of the entrance, the lower part of the first cab 21 Is formed in the manner of a turntable 21a using the same structure used in a general excavator, so that the first cab 21 is pivoted in the left and right directions and is configured to widen the working radius and the field of view.

In addition, the bucket (22a) can be used to mount the bucket used to the end of the boom of the general excavator, when excavating the bottom of the river or reservoir, the content of water is limited because the amount of excavation is limited and the weight due to water increases There is a wide plate of steel to form a grid so that water can be discharged, the water is formed to be smoothly drained, and consists of a bucket (22a) is improved in a structure in which the left and right closed to contain the contaminated sediment inside.

In addition, the bucket (22a) mounted on the end of the boom 22 can be replaced by one of the grapple, milling cutter, compactor to perform the work, and the bucket is used to put the grapple, or grapple-shaped grapple It can be used to pick up rocks or bulky objects, and it is possible to cut using a milling cutter of a shape in which a cutting piece such as a blade is fixed on the outer circumferential surface of the cylinder by welding, and compactor moving up and down by using vibration. It is configured to selectively tap the ridges using the compaction work.

On the other hand, the wire 23 is formed in a ring shape, both ends are wrapped and wrapped to lift the suction pipe 11 so that both ends of the hook is provided with a locking device that is supported by a spring to prevent separation formed on both sides of the boom 22 It is configured to support the suction net 11a.

In addition, the second operation unit 30 is provided with a container-shaped second cab 31 at the rear of the first cab 21 of the first operation unit 20, the buoyancy portion to the rear of the second cab 31. It consists of a suction centrifugal pump 32 which exerts a suction force on the suction pipe 11 of (10), the propulsion engine, and the storage chamber 33 which accommodates the organic-inorganic coagulant injection apparatus.

In addition, the second cab 31 is formed of a glass door that can be opened in the front, it is possible to grasp the state of the engineer working in the first cab 21, and communicate with the engineers of the first cab 21 This allows organic work to be made, and through the rear glass, it is possible to simply determine the operation status and abnormality of various equipment, and the doors for improving the mobility of the entrance on the left and right sides of the second cab 31. It consists of.

In addition, the receiving chamber 33 is formed in the upper part of the roof shape to be supported by a plurality of pillars fixed to the upper portion of the boat 14 at the bottom, it is configured to protect various equipment in case of rain or snow.

Then, the left and right balance part 40 is operated through the second cab 31 of the second operation part 30 on the left and right sides of the buoyancy part 10, the hydraulic cylinder is configured with a piston (41a) operated by the hydraulic action ( 41 is fixed, and the upper end of the quadrangular beam 42 hollow inside is connected to the end of the piston (41a) of the hydraulic cylinder 41, one end of the beam 42 is fixed to rotate to the buoyancy portion (10) The other end of the beam 42 is composed of a cylindrical buoyancy body 43 floating in contact with the water surface.

In addition, the hydraulic cylinder 41 is fixed to the upper portion of the buoyancy portion 10 to fix the rectangular plate in order to increase the rotation angle of the beam 42, and then rotated by using a hinge and a hinge pin on the plate. It is configured to be.

On the other hand, the piston 41a is coupled to the hinge and the hinge pin on the upper portion of the beam 42, when the piston 41a is pushed or pulled by the hydraulic cylinder 41 by the hydraulic action, the beam 42 is pushed or pulled It is configured to maintain the left and right balance of the buoyancy portion 10 by using a bolt at the end of the beam 42 or by floating a buoyancy body 43 fixed in a welding manner on the water surface and in water.

In addition, the buoyancy body 43 is the outer surface is wrapped with a metal material, the inside is filled with a material such as styrofoam and configured to be able to float well under the buoyancy action in the water or water.

In addition, the beam 42 may be configured to be used by replacing the boom 22 that is used in the excavator, that is, the boom 22 of the first operation unit 20.

And, the spud 50 is coupled to the hinge portion 55 and the hinge portion 55 provided at the rear of the vessel 14 of the buoyancy portion 10 so as to rotate in the front-rear direction of the vessel 14. A rotating hydraulic cylinder 51 connected to the installed housing 52, the vessel 14 and the housing 52 to rotate the housing 52 in the front-rear direction of the vessel 14, and the housing 52 Beam 53 guided by the housing 52 at the time of lifting and lowering, and coupled to the housing 52 and the beam 53 and coupled to the housing 52 so as to slide to It is composed of a pair consisting of the lifting hydraulic cylinder (54) for raising and lowering.

In addition, when the rotary hydraulic cylinder 51 is operated so that the spud 50 rotates to the upper portion of the buoyancy portion 10, the piston 51a is pushed or pulled in a state in which the piston 51a is connected to the upper portion of the housing 52. The beam 53 coupled to 52 is configured to rotate.

Such, the spud 50 is pushed down by operating the lifting hydraulic cylinder 54 fixed to the side of the beam 53 so that the buoyancy portion 10 is fixed to the floor by the lowering action can be fixed to the surface It is configured to be lifted up and down along the piston 54a in a state connected to the piston 54a by being pulled to be fixed to the ground.

Referring to the operation of the present invention configured as described above are as follows.

When lowering the dredger 100 from the moving means 200
In the state in which the dredger 100 is loaded on the moving means 200, the left and right balance part 40 of the dredger 100 is operated so that the buoyancy body 43 of the left and right balance part 40 is brought into contact with the ground. ) To support the ground on the left and right sides, the beam 53 of the spud 50 is lowered so that its end supports the ground behind the moving means 200, and thus dredger ( Lift 100 to lift the bottom surface of the buoyancy portion 10 of the dredger 100 from the upper surface of the loading box of the moving means (200). In this state, the dredger 100 is lowered from the moving means 200 by moving the moving means 200 to exit the moving means 200 from the dredger 100.

If the dredger 100 moves a short distance without any external equipment
Dredger 100 is moved by the vicinity of the river or reservoir to be dredging operation, and each skilled engineer who can operate the dredger 100 in each of the first cab 21 and the second cab 31 is boarded by one. .

Thereafter, the engineers in the first cab 21 and the second cab 31 communicate with each other, and the engineers in the first cab 21 operate the boom 22 to have the maximum length. The bucket is supported on the ground using the bucket 22a.
On the other hand, the engineer boarded in the second cab 31 operates a pair of rotating hydraulic cylinder 51 to operate a pair of piston 51a is pulled, at this time, the housing 52 connected to the piston 51a is The pair of beams 53 are pulled to the upper portion of the boat 14 of the buoyancy portion 10 so as to be inclined.

delete

Next, the lifting hydraulic cylinder 54 is operated to pull the piston 54a. At this time, the pair of beams 53 in an inclined state connected to the piston 54a are transferred to the ground side at the bottom thereof. When the pair of lifting hydraulic cylinder (54) continues to operate and the bottom of the pair of beams (53) acts to push the ground, so that the dredger 100 as a whole is advanced to the front side. At this time, the boom 22, which is fully extended to the front side of the dredger 100, is pulled to be gradually shortened as the dredger 100 moves forward to help the dredger 100 move.
As described above, the dredger 100, which has been transported a predetermined width by the unfolding of the boom 22 in front of the dredger 100 or by the elevating hydraulic cylinder 54 behind the dredger 100, is operated. You can move a certain distance by repeating.
Because of this, dredgers can move on their own if they move short distances without additional power or means of transportation, thereby eliminating the need for additional equipment, equipment, and personnel to reduce equipment costs or labor costs.
When the dredger 100 is finished on the moving means 200

delete

As shown in FIG. 5, the dredger 100 which finishes the dredging operation is loaded on a moving means 200 such as a low bed trailer using a boom 22, a left and right balance part 40, a spud 50, or the like. It is formed to perform the unloading operation by itself.

In order to load the dredger 100 to the vehicle 200, the vehicle 200 reaches the close distance where the dredger 100 is located, and then, the engineer who boarded the first cab 21 is the boom 22 It is operated to the maximum length to support the bucket (22a) on the upper portion of the moving means (200).

Subsequently, when the engineer who rides in the second cab 31 operates the left / right balance part 40, that is, operates the hydraulic cylinder 41 to lengthen the piston 41a, the beam fixed to the piston 41a is fixed. 42 is to be turned to the lower portion of the buoyancy body 43 is to support the ground is dredger 100, the front portion is lifted.

Next, the engineer who boarded the second cab 31 operates the hydraulic cylinder 51 to pull the piston 51a, and at this time, the housing 52 connected to the piston 51a is pulled. A pair of beams 53 are pulled to the top of the vessel 14 of the buoyancy portion 10 so as to be inclined as shown in the center of FIG. 5.

Next, the lifting hydraulic cylinder 54 is operated to pull the piston 54a. At this time, the pair of beams 53 connected to the piston 54a are transferred to the ground side and the bottom of the beam 53 is finally When the lifting hydraulic cylinder 54 is continuously operated in such a state, the dredger 100 is pushed forward to its front side. At this time, the boom 22, which is fully extended to the front side of the dredger 100, is pulled to be gradually shortened as the dredger 100 moves forward to help the dredger 100 move.
As such, the boom 22 is extended to the front side by one step of the dredger 100, the left and right balance part 40 is operated to lift the front of the dredger 100, and the rotating hydraulic cylinder 51 is operated to After positioning the pair of beams 53 to be inclined, the other pair of lifting hydraulic cylinders 54 are operated to sequentially push the rear of the dredger 100 so that the dredger 100 is moved to the moving means 200. I can load it.

Meanwhile, as shown in FIG. 6, the dredger 100 floats while the ship 14 of the buoyancy unit 10 is locked to a certain depth on the surface of a river or a reservoir.

At this time, the direction change and movement of the buoyancy unit 10 is made through the engineer boarded in the first cab (21).

Then, the dredging the top of the contaminated sediment deposited on the bottom of the river or reservoir, first, the dredging method of the river dredger 100 is located at the top of the work section to perform the dredging work.

Then, the direction of the discharge pipe 13 is determined according to the area of the river. When the area is wide, it is preferable to drain the left and right directions of the buoyancy part 10. When the area is narrow, the buoyancy part 10 The discharge pipe 13 is installed to drain to the rear side.

In addition, the hydraulic cylinder 41 is operated to prevent the rocking and floating by the rocking or water current dredging operation of the dredger 100 to operate the piston (41a) to the maximum length of the left and right balance (40) The beam 42 and the buoyancy body 43 is submerged in the water, and at this time, the buoyancy body 43 is buoyant in the water to support the dredger 100 to support the ground to prevent the shaking phenomenon to shake left and right. do.

On the other hand, by operating the lifting hydraulic cylinder 54 to operate the piston 54a to the minimum length, the beam 53 of the spud 50 is lowered along the housing 52 to be supported by the bottom of the river Dredger 100 is to prevent the floating.

Next, the engineer who boarded the first cab 21 adjusts the suction network 11a of the suction pipe 11 to reach the bottom of the river first rather than the bucket 22a of the boom 22 and then the boom 22. ) Is submerged in water, the suction centrifugal pump (32) and the organic-inorganic coagulant dosing device, etc. when the engineer is operating in the second cab 31, the sludge and dirty water through the suction network (11a) suction pipe (11) In order to move in the order of the moving pipe 12 to discharge to the bank of the river through the discharge pipe 13, if there is a separate sludge and filthy water treatment device can be discharged to be introduced into the treatment device. In addition, when the organic-inorganic coagulant is added, the sludge is condensed in the form of a solid to be landfilled or treated using a treatment apparatus.

Secondly, the dredger 100 stops at the upper part of the work section for dredging work in the method of dredging the contaminated sediment deposited on the bottom of the collected water without flowing with the reservoir.

Then, the direction of the discharge tube 13 is determined according to the area of the reservoir. When the area is large, the discharge pipe 13 is preferably discharged in the left and right directions of the buoyancy unit 10. When the area is narrow, the rear side of the buoyancy unit 10 is narrow. The discharge pipe 13 is installed so as to be discharged.

In addition, when the hydraulic cylinder 41 is operated to prevent the fluctuation caused by the dredging operation of the dredger 100 to operate the piston 41a to the maximum length, the beam 42 and the buoyancy body of the left and right balance part 40 are operated. 43 is submerged in the water, at this time, the buoyancy body 43 is buoyant in the water to support the dredger 100 to support the ground and prevent the shaking phenomenon to swing left and right, dredger 100 It is possible to carry out dredging work in a stable state in performing dredging work while moving.

Next, the engineer who boarded the first cab 21 adjusts the suction network 11a of the suction pipe 11 to reach the bottom of the reservoir before the bucket 22a of the boom 22 and then the boom 22. ) Is submerged in the water, when the engineer in the second cab 31 operating the organic-inorganic coagulant dosing device connected to the suction centrifugal pump 32 and the moving line 12, the sludge through the suction network (11a) And the waste water is moved in the order of the suction pipe 11, the moving pipe 12 to discharge to the bank of the reservoir through the discharge pipe 13, if there is a separate sludge and waste water treatment device to be introduced into the treatment device. Can be discharged. In addition, when the organic-inorganic coagulant is added, the sludge is condensed in the form of a solid to be landfilled or treated using a treatment apparatus.

In addition, when the contaminated sediment cannot be sucked through the suction network 11a due to the characteristics of the bottom of the river or the reservoir, the suction pipe 11 is dismantled and put into the bucket 22a using the bucket 22a on the boom 22. You can do it.

In addition, it is possible to pick up rocks or bulky objects by using a grapple having a tong shape, and to cut a cut piece such as a blade on the outer circumferential surface of a round cylinder by using a milling cutter of a fixed shape by welding. By using the compactor moving up and down by vibrating, it is possible to selectively tap the raised part to compact the work, so it is not limited to the work environment due to the diversification of work, shortening the duration of dredging work and labor cost The savings will be achieved.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and is not limited to the spirit of the present invention. Various changes and modifications can be made by those who have

As described above, the present invention installs one of the grapple, milling cutter, and compactor as a substitute for the bucket mounted on the boom of the first driving unit according to the type of dredging work, and floats the bucket according to the characteristics of the river or reservoir bottom. It is possible to pick up rocks or bulky objects using grapples, to cut using milling cutters, and to compact the raised parts by using compactors. It works.

In addition, the operation radius and field of view is widened by the first operation unit which is in charge of the operation of the boom and the suction pipe, and is configured to turn, while the engine or the organic-inorganic coagulant injection device installed on the buoyancy unit, the balance unit, the left and right balance unit The second operation part which is in charge of operating and controlling the pod is formed, so that the efficiency of dredging work is increased by simplifying the work and reducing the working time through the division of work during the dredging work of the first and second working parts. There is.

In addition, when dredging work with the buoyancy part floating on the water surface, the hydraulic cylinders of the left and right balance parts fixed to both sides of the buoyancy part are operated to prevent the buoyancy part from swinging from side to side due to the fluctuation of the water. The buoyancy body is in contact with the water or the water so as to be locked in a certain amount to prevent the buoyancy of the buoyancy, and to prevent the shaking from the water fluctuation or floating the surface to leave the work space by lowering the spud installed behind the buoyancy to the bottom When the depth of water is shallow during dredging work in rivers or reservoirs, the structure is improved to support the bottom so that buoyancy is fixed so that dredging work can be performed in a stabilized state.

In addition, the dredger of the present invention can be transferred within a relatively short distance by using a boom, left and right balance parts, and a spud.

Claims (4)

A propulsion engine mounted to generate propulsion force; A screw connected to the propulsion engine and operated by the driving force; The suction pipe 11a is formed at the front of the dredger at the front end of the dredger, the moving pipe 12 is formed in the left and right and rear to communicate with the suction pipe 11, the moving pipe 12 A buoyancy portion 10 having a ship shape (14) formed by being connected to the discharge pipe (13); The first upper part of the buoyancy part 10 is the first cab 21 which is in charge of the operation and movement of the buoyancy part 10 and is rotatably installed in a turntable 21a manner, and is located in front of the first cab 21. The suction pipe 11 is connected to the boom 22 of the shape of the shape of the boom 22 and is used for the excavator equipped with the bucket 22a. A first operating part 20 connected to the lower part; A container-shaped second cab 31 is provided at the rear of the first cab 21 of the first operating part 20, and a suction force is applied to the suction pipe 11 of the buoyancy part 10 behind the second cab 31. A second operating part (30) comprising a suction centrifugal pump (32), a propulsion engine, and an accommodating chamber (33) for accommodating an organic-inorganic coagulant dosing device for acting thereon; The hydraulic cylinder 41 formed on the left and right sides of the buoyancy part 10 and operated through the second cab 31 of the second operating part 30 and configured with a piston 41a operated by hydraulic action is fixed, and The upper end of the beam 42 is connected to the end of the piston 41a of the cylinder 41, one end of the beam 42 is pivotally fixed to the buoyancy portion 10, the other end of the beam 42 in contact with the water surface In the dredger to dredge the river or reservoir bottom is provided; left and right balance portion 40 is fixed to the cylindrical buoyancy body 43, A hinge portion 55 provided at the rear of the vessel 14 of the buoyancy portion 10, a housing 52 coupled to the hinge portion 55 and installed to rotate in the front-rear direction of the vessel 14, and the vessel And a rotational hydraulic cylinder 51 connected to the 14 and the housing 52 so as to slide the housing 52 in the front and rear directions of the ship 14, and to be slid to the housing 52 so that the housing 52 Lifting hydraulic cylinder 54 for lifting and lowering the beam 53 guided by the housing 52 and the beam 53 coupled to the housing 52 and the beam 53 and coupled to the housing 52. Dredger, characterized in that the pair is further provided with a pair of spud (50). delete delete delete

Images