KR101884441B1 - Ships Surface grinding device - Google Patents

Abstract

The present invention can quickly and accurately remove rust on the surface of a ship, and can easily work the bottom surface of a selected space through automatic control and radio control, thereby improving work efficiency.
A driving unit that is mounted on the body and has a traveling wheel that is rotatably fixed to the body and has a traveling wheel that is rotated to receive a rotational force to travel the body; And a grinding means provided on the body and adapted to grind the surface of a ship located on a traveling path of the body, the grinding apparatus comprising: Control means for controlling the application of power to the traveling wheels of the traveling means and the adjustment of the turning angle of the traveling wheels by the steering means; Further comprising operating means electrically connected to the control means for giving operation signals for controlling the application of power to the traveling wheels of the traveling means and the adjustment of the turning angle of the traveling wheels by the steering means To the surface of the vessel.

Description

Ships Surface grinding device [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grinding apparatus for grinding rust and paint on a bottom surface of a ship, and more particularly, to a grinding apparatus for grinding rust on a surface of a ship, , A floor surface of a selected space can be easily operated through automatic control and radio control, and the working efficiency can be improved.

Generally, marine structures such as ships are exposed to the marine environment for a long time, from steel material wearing to post-drying, resulting in corrosion on the hull surface.

Therefore, in order to remove the rust due to such corrosion and to carry out the re-coating, before the coating operation is performed, the pre-treatment is performed while removing the paint and rust formed on the surface of the vessel.

In such a pretreatment operation, a separate grinding apparatus is applied, and a conventional grinding apparatus usually has a structure for smoothly treating the surface by rotatably mounting a disk-shaped abrasive material on the apparatus main body.

Korean Patent Registration No. 10-1240609 (abbreviated as "abrasive apparatus") discloses a polishing apparatus for abrading and polishing a workpiece, as is known in the art, comprising: a body; A polishing pin receiving member coupled to the main body; A plurality of polishing pins installed in the polishing-pin receiving member so as to be reciprocally movable; An elastic member elastically pressing each of the plurality of polishing pins in one direction; A striking member which is rotatably installed on the grinding pin receiving member and sequentially hits the plurality of grinding fins in the other direction by the rotation to thereby cause the grinding pin to strike the workpiece; And driving means for rotating the striking member.

In Korean Patent Registration No. 10-1411522 (name: abrasive apparatus), as is known in the art, a first main frame; A wheel rotatably supporting the first main frame; A wheel assembly supporting the wheel and pivotally coupled to the first main frame; A polishing unit rotatably coupled to the first main frame so as to selectively polish any one of a surface to be polished to which the wheel is contacted and a surface to be polished having different inclination from the surface to be polished; A first pivot shaft for rotatably coupling the first main frame and the wheel assembly; And a second pivotal shaft rotatably coupling the first main frame and the polishing unit.

In Korean Patent Registration No. 10-1329792 (name: sweeping machine), as known in the art, a sweeping wheel (sweeping wheel) 2 is used to remove paint painted on the surface of a workpiece, 1. A sweeping machine for performing a cleaning or polishing operation on a workpiece, comprising: a frame having a hollow formed in a work surface direction; A rotating plate rotatably supported on the frame; An upper plate coupled to the rotating plate and provided with an actuator for rotating the rotating plate, the upper plate coupled to the upper side of the frame; A wheel supporter fixed to the rotating plate and disposed in the work surface direction through the hollow of the frame and supporting the sweep wheel so as to be in contact with the working surface; The wheel supporter is formed of a rigid body material, and a through hole is formed through the wheel supporter in a downward direction so that the wheel supporter is rotatable by rotation of the rotation disc. A supporting housing formed in a receiving space communicating with the through hole to be fixed to the rotary plate 14 and an elastic body formed of a flexible body and supported by the supporting housing, And the sweeping wheel is fixed to the coupling through the through hole of the supporting housing to allow a predetermined angle change with respect to the working surface.

That is, the surface is polished through a rotating polishing means to improve the paint and the rust.

On the other hand, a device has been proposed in which the oxide layer is removed by knocking the surface. In Korean Utility Model Registration No. 20-0444203 (name: shot blast using high frequency motor), as known in the art, And a grit storage tank for storing a grit for removing an oxide layer while knocking a work surface made of an iron plate on a body frame provided on the body frame, wherein the grit stored in the grit storage tank is centrifugally driven by a high- And a shot blast head unit configured to recover the oxide layer by tapping the surface of the work surface. The grit and the foreign substance, which have been oxidized in the shot blast head unit, are recovered as grit storage tanks, And the head part is provided with an impeller housing to be attached to the bolt And a grit guide socket in which a grit discharge hole is formed in a central portion of the impeller to discharge the grit-containing contents stirring grill and the grit in only one direction, the shot blast comprising: And a friction force is increased on the work surface due to the magnetic force of the magnetic body. In the short blast, the friction force is increased by the magnetic force of the magnetic body.

1, Korean Patent Registration No. 10-1240609 2, Korean Patent Registration No. 10-1411522 3, Korean Patent Registration No. 10-1329792 4, Korea Utility Model Registration No. 20-0444203

However, the above-described conventional apparatuses for treating the surface of the vessel have a problem in that the work efficiency is lowered because the operator must perform the removing operation while moving the surface of the vessel with the hand by hand.

In addition, since the work space and the worker share the same space, there is a problem that the worker's health is deteriorated due to the minute harmful substances generated during the work.

The present invention has been made in order to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide a method and apparatus for quickly and accurately removing rust generated on a surface of a ship, So that the work efficiency can be improved and the health of the worker can be improved.

In order to accomplish the above object, according to the present invention, there is provided a polishing apparatus for a surface of a ship, comprising a body, a traveling wheel fixed to the body so as to be rotatable, And a grinding means provided on the body and adapted to grind the surface of a ship located on a traveling path of the body, the grinding means being provided on the body and adapted to grasp the surface of the vessel, A surface polishing apparatus comprising: Control means for controlling the application of power to the traveling wheels of the traveling means and the adjustment of the turning angle of the traveling wheels by the steering means; Further comprising operating means electrically connected to the control means for giving operation signals for controlling the application of power to the traveling wheels of the traveling means and the adjustment of the turning angle of the traveling wheels by the steering means .

And the control means and the operation means are electrically connected through a wire.

And the control means and the operation means are electrically connected through radio.

The traveling means includes a traveling motor adapted to generate a rotating force by being supplied with power, a traveling wheel fixed to both front and rear sides of the body so as to be rotatable and adapted to rotate by receiving a rotational force generated by the traveling motor, The traveling wheel having a traveling ring detachably fixed to an outer peripheral surface of the wheel; The traveling motor and the traveling wheel are provided on both front and rear sides of the body so that a traveling rotational force is generated at four points of the body.

The steering unit may include a steering unit for rotatably fixing the traveling unit to the body, a steering unit connected to the steering unit for receiving the electric power and rotating the steering unit about the body, And a cylinder.

The polishing means includes a polishing motor provided on the body and adapted to generate a rotating force by being supplied with power, and a polishing member adapted to rotate to grind the surface of the ship in response to the rotational force generated from the polishing motor ; The polishing member includes a polishing housing which is provided on a bottom surface of the body and accommodates a polishing wheel rotated to receive a rotational force generated by the polishing motor and has a space portion opened toward the surface of the vessel, And a fixed wheel which is arranged in the direction of the surface of the ship and is coupled with a polishing body having a plurality of polishing surfaces formed on the surface thereof and rotated to interlock with the polishing wheel.

A plurality of blade pieces extending from the fixed wheel and having an inclination angle are disposed in the through holes to vertically suck the abrasive foreign material toward the polishing housing .

In the polishing apparatus for a surface of a ship according to the present invention, an operator applies an operation signal to the control means at a position spaced apart from the body through the operating means to adjust the traveling direction and the traveling speed of the body, It is possible to polish and remove the paint and rust remaining on the surface of the ship through the grinding means while running the rust, thereby removing the rust generated on the surface of the ship quickly and accurately.

In addition, it has an effect of promoting the health of the worker as the worker is spatially separated from the space where the polishing is performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view showing a polishing apparatus for a surface of a ship according to an embodiment of the present invention; FIG.
Fig. 2 is a schematic view showing a polishing apparatus on the surface of a ship according to the embodiment. Fig.
Fig. 3 is a schematic bottom view showing an example of a polishing apparatus for a surface of a ship according to the present embodiment. Fig.
Fig. 4 is a schematic view showing a control structure of a polishing apparatus on the surface of a ship according to the embodiment; Fig.
Fig. 5 is a schematic partial schematic view showing an example of a traveling means and a steering means applied to a polishing apparatus for a surface of a ship according to the present embodiment. Fig.
Fig. 6 is a schematic outline drawing of a part of a traveling means applied to a surface polishing apparatus according to the present embodiment. Fig.
Figs. 7 to 10 are schematic views showing polishing means applied to a polishing apparatus for the surface of a ship according to the present embodiment. Fig.
Fig. 11 and Fig. 12 are schematic views showing another example of the polishing means applied to the surface of a ship according to the present embodiment. Fig.
Fig. 13 is a schematic view showing still another example of the polishing means applied to the surface of a ship according to the present embodiment. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 10 are diagrams showing a polishing apparatus for a surface of a ship according to an embodiment of the present invention. The polishing apparatus 1 of the present embodiment has a power supply unit 6 for supplying power The grinding means 5, which rotates through the rotating force of the grinding motor 51 generating the rotational force, is caused to run on the surface of the ship to polish and remove the paint and rust on the surface of the ship remaining in the running space. And is particularly applied to the pretreatment before polishing the bottom surface of the vessel at the time of work.

The polishing apparatus 1 according to the present embodiment includes a body 2 and a traveling wheel 31 rotatably fixed to the body 2 and rotated by receiving a rotational force, A steering unit 4 provided on the body 2 and adapted to steer the steering wheel 31 by adjusting the turning angle of the traveling wheel 31; And polishing means 5 for polishing the surface of the ship located on the traveling path of the body 2.

That is, the body 2 on which the polishing means 5 is disposed is driven to run on the bottom surface of the ship through the traveling means 3 and the steering means 4.

The body 2 is provided with a space in which the traveling means 3, the steering means 4 and the grinding means 5 are disposed, and is formed in a 'box' shape It is preferred that a handle 21 is provided to allow an operator to carry it by hand, and it is most preferred that a lid not shown is provided to open and close the lid.

The traveling means 3 includes a traveling motor 32 that is supplied with power from the power supply unit 6 to generate a rotational force and a traveling motor 32 that is rotatably fixed to the front and rear surfaces of both sides of the body 2, And a traveling wheel 31 having a traveling wheel 33 that is rotated by receiving the rotational force generated by the motor 32 and a traveling ring 34 which is detachably fixed to the outer peripheral surface of the traveling wheel 33 .

The traveling means 3 includes the traveling motor 32 and the traveling wheels 31 on the front and rear sides of the body 2 so as to generate a traveling rotational force at four points of the body 2 Most preferably,

Accordingly, when the body 2 is driven, the rotational speed of each of the traveling wheels 31 can be adjusted to control the travel path and the running mode of the body 31.

The traveling ring 34 is preferably formed in the form of a snow chain having a plurality of concavities and convexities formed on the surface of the traveling ring 34 so as to be attached to the outer circumferential surface of the traveling wheel 33 and closely contact with the bottom surface of the ship, .

It is most preferable that the traveling ring 34 includes a pair of ring bodies wound around both ends of the outer circumferential surface of the traveling wheel 33 and friction pieces connecting between the ring bodies, Are preferably arranged with an inclination angle between the ring bodies.

Accordingly, the side wheels are stably supported by the side load applied to the traveling wheels 31 to prevent slipping.

Therefore, when the surface of the ship is polished by the polishing means 5, it is stably supported corresponding to the applied pressure generated in the direction of the traveling wheel 31.

In the traveling wheels 31 disposed on both sides of the body 2, the friction pieces form an inclination angle symmetrical with respect to the body, so that the distance between the traveling wheels 31 (I.e., the center of the outer tube 2) in the outward direction.

That is, a rotational pressure is generated on the central portion of the body 2, and the friction pieces suitably correspond to the pressure formed in the outward direction by the centrifugal force.

It is preferable that the traveling motor 32 and the traveling wheel 33 receive rotational force through a pulley and a belt. In this case, the belt may be a gear belt or a chain belt So that it is most preferable to transmit the rotational force at a constant speed.

In the grinding apparatus 1 according to the present embodiment, the steering means 4 includes a steering member 41 for rotatably fixing the traveling means 3 to the body 2, A steering cylinder 41 provided in the body 2 and connected to the steering body 41 and adapted to receive power from the power supply unit 6 to rotate the steering body 41 with respect to the body 2; The steering member 41 and the steering cylinder 42 may be connected to each other through a plurality of links to transmit motion force.

It is preferable that the steering means 4 has a structure to which a conventionally known technology is applied. In particular, it is most preferable that a steering device applied to a radio controlled car is applied, , And a detailed description thereof will be omitted.

In the polishing apparatus 1 according to the present embodiment as described above, the polishing means 5 is provided in the body 2 and receives power from the power supply unit 6 to generate rotational force And a polishing member which is rotated by receiving the rotational force generated by the polishing motor 51 and polished on the surface of the ship.

That is, the surface of the ship is polished by rotating the polishing member, and the space of the traveling path of the body 2 is polished.

The polishing member is provided on the bottom surface of the body 2 and is provided with a polishing wheel 52 receiving the rotating force generated by the polishing motor 51 and rotating therein, And a polishing body 54 having a plurality of polishing surfaces formed on the surface of the polishing wheel 52 in the direction of the surface of the ship so as to be rotated in association with the polishing wheel 52 And a fixed wheel 55 fixed to the wheel.

That is, the polishing body 54 fixed to the fixed wheel 54 is rotated by the polishing wheel 52 to polish the bottom surface of the ship.

It is preferable that the grinding wheel 52 and the fixing wheel 55 are integrally rotated by engaging with each other through a fixing bolt 57 threaded through the gap sleeve 56 provided in the gap.

The polishing body 54 is fitted to the fixing wheel 57 while passing through the fixing holes formed in the fixing wheel 57. At both ends of the polishing body 54, extension pieces for supporting the inner upper surfaces of the fixing holes are formed, And a plurality of abrasive projections 58 are formed on the abrasive surface so as to polish the paint remaining on the surface of the ship.

The abrasive protrusions 58 are preferably made of diamond abrasive protrusions and are arranged to have a size and density for performing rough polishing at an area of 3/4 of the entire surface of the abrasive surface, 4 are preferably arranged so as to have a size and density for performing fine polishing.

On the other hand, at an interval between the polishing body 54 and the polishing wheel 52, an elastic spring (not shown) for pressing the polishing body 54 downward to elastically bring the polishing surface into close contact with the bottom surface of the ship 59 are preferably displayed.

The polishing apparatus 1 according to this embodiment of the present invention as described above is constructed so that the application of power to the traveling wheels 31 of the traveling means 3 and the application of power to the traveling wheels 31 by the steering means 4 A control means (7) adapted to control the adjustment of the rotation angle; Wherein the control means is electrically connected to the control means so that the application of power to the traveling wheels of the traveling means and the turning of the traveling wheels by the steering means, And operating means (8) adapted to give an operation signal for controlling the adjustment of the angle.

That is, the operator controls the traveling means 3 and the steering means 4 by applying an operation signal to the control means 7 at a position spaced apart from the body 2 through the operating means 8 The surface of the ship to be polished is driven by controlling the traveling direction and the traveling speed of the body 2. [

An operation signal is applied to the control means (7) through the operating means (8) to control the polishing motor (51) of the polishing means (5) to polish and remove the coating and rust remaining on the surface of the vessel .

Accordingly, the worker can be separated from the space in which the polishing is performed and the workers are separated from each other.

Thus, in the polishing apparatus 1 of the present embodiment, the operator operates the operating unit 8 to receive power from the power supply unit 6 through the control of the control unit 7 , The supply of power to the traveling motor 32 is controlled, the driving of the steering cylinder 42 is controlled, and the supply of power to the polishing motor 51 is controlled to perform the polishing operation on the surface of the vessel remotely do.

In this case, the control means 7 and the operating means 8 may be electrically connected by wire or wireless, and it is preferably applied according to the user's selection.

Hereinafter, the operation and effect of the polishing apparatus 1 according to the present embodiment will be described in detail.

When the surface of the ship is to be polished through the polishing apparatus 1 on the surface of the vessel according to the present embodiment, first, after the body 2 is transported to a space to be worked, (7), which is electrically connected to the operating means (8), when the operator operates the operating means (8) at a remote position after the operating means The power of the power supply unit 6 is supplied and the driving of the traveling motor 32 and the steering cylinder 42 is controlled to travel the body 2 in a desired traveling orbit.

At this time, when the operation data of the operating means 8 is received by the control means 7 and the driving of the polishing motor 51 is controlled to rotate the polishing wheel 52, And the polishing body 54 rotating is rotated in the state of being closely attached to the bottom surface of the ship to polish the paint and the rust.

11 and 12 show another example of the polishing means applied to the surface of the ship according to the present embodiment. In the center of the above-mentioned fixed wheel 54, through-holes penetrating vertically are formed And a plurality of blade pieces 9 extending from the fixed wheel 54 and having an inclination angle are disposed in the through hole so as to suck the abrasive foreign material toward the polishing housing 53 and treat it separately.

Accordingly, it is possible to prevent scattering of abrasive foreign matter in the work space, thereby performing a more secure polishing operation.

13 shows another example of the polishing means applied to the surface of the ship according to the present embodiment. The above-mentioned polishing wheel 52 has a ring-shaped disk Shaped disk which is rotated by the rotational force of the rotating shaft of the polishing motor 51 and is rotated in the polishing housing 53 in the direction of the polishing motor 51 from the polishing wheel 52, A disk impeller 10 having a wheel 11 and a plurality of vane blades 12 protruding from the disk wheel 11 in the direction of the grinding wheel is provided. The abrasive foreign substances generated in the abrasive space are sucked into the abrasive housing 53 through the through holes of the abrasive wheel 52 by the suction force formed by the rotation of the wheel 52. [

Accordingly, it is possible to prevent scattering of abrasive foreign matter in the work space, thereby performing a more secure polishing operation.

At this time, it is preferable that a discharge pipe 13 is connected to the polishing housing 53 so as to separate and discharge polluted foreign substances to be sucked.

As described above, the polishing apparatus 1 on the surface of the vessel according to the present embodiment is configured such that the operator applies an operation signal to the control means 7 at a remote position spaced apart from the body 2 through the operating means 8 The present invention is characterized in that the paint and rust remaining on the surface of the ship are polished and removed through the grinding means 5 while running the surface of the ship to be polished by adjusting the traveling direction and the traveling speed of the body 2 .

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Grinding device 2: Body
21: Handle 3: Driving means
31: traveling wheel 32: traveling motor
33: traveling wheel 34: traveling ring
4: steering means 41: steering wheel
42: Steering cylinder 5: Polishing means
51: Polishing motor 52: Polishing wheel
53: polishing housing 54: polishing body
55: fixed wheel 56: spacing sleeve
57: Fixing bolt 58: Polishing projection
59: Elastic spring 6: Power supply
7: control means 8: operating means
9: Day reorganization 10: Disk impeller
11: disk wheel 12: vane blade
13: discharge pipe

Claims (7)

A body 2; A traveling means (3) rotatably fixed to the body (2) and having a traveling wheel (31) rotated to receive a rotational force to travel the body (2); Steering means (4) provided on the body (2) and adapted to steer the steering wheel by adjusting the turning angle of the traveling wheel (31); A polishing means (5) provided on the body (2) and adapted to polish the surface of a ship located on a traveling path of the body (2); A control means (7) for controlling the application of power to the traveling wheels (31) of the traveling means (3) and the adjustment of the turning angle of the traveling wheels (31) by the steering means (4); Wherein the control means is electrically connected to the control means so that the application of power to the traveling wheels of the traveling means and the turning of the traveling wheels by the steering means, And operating means (8) adapted to give an operation signal for controlling the adjustment of the angle;
The traveling means (3) includes a traveling motor (32) adapted to generate a rotating force by receiving power; A traveling wheel 33 rotatably mounted on both front and rear sides of the body 2 and adapted to rotate by receiving the rotational force generated by the traveling motor 32 and a traveling wheel 33 which is detachably mounted on the outer circumferential surface of the traveling wheel 33 And a traveling wheel 31 having a fixed traveling ring 34. The traveling motor 32 and the traveling wheel 31 are provided on both front and rear sides of the body 2, So that the driving torque is generated at four points of the body 2;
The steering means (4) includes a steering body (41) for rotatably fixing the traveling means (3) to the body (2); And a steering cylinder (42) provided on the body (2) and connected to the steering body (41) to receive power and rotate the steering body (41) with respect to the body (2);
The polishing means (5) comprises a polishing motor (51) provided on the body (2) and generating a rotational force by receiving power; And is rotatable to grind the surface of the ship by receiving the rotational force generated by the grinding motor 51. The rotational force generated by the grinding motor 51 is received in the bottom of the body 2, A grinding housing 53 having a grinding wheel 53 having a grinding wheel 52 and a space portion opened in the direction of the surface of the ship and a grinding wheel 53 disposed on the grinding wheel 52 in the direction of the surface of the ship, And an abrasive member having a fixed wheel (55) coupled to the abrasive wheel (54) and adapted to rotate in association with the abrasive wheel (52);
A plurality of blade pieces 9 extending from the fixed wheel 55 and having an inclination angle are disposed at the center of the fixed wheel 55 to vertically move the abrasive foreign material toward the polishing housing 53 A polishing apparatus (1) for polishing a surface of a marine vessel having a through-hole penetrating through the marine vessel;
The polishing body (54)
And is formed with a protruding portion formed at both ends thereof to support the inner upper surface of the fixing hole and having a polishing surface which is in close contact with the surface of the ship at its center, under;
The abrasive surface is provided with a plurality of abrasive projections (58) for abrading the coating and rust remaining on the surface of the ship;
The abrasive protrusions 58 are formed on the surface
Diamond abrasive projections; An area of 3/4 with respect to the entire surface of the polishing surface is arranged to have a size and a density that perform coarse polishing; The remaining 1/4 of the area is arranged to have a size and a density to perform fine polishing;
At the interval between the polishing body 54 and the polishing wheel 52,
An elastic spring (59) for pushing the polishing body (54) downward so as to elastically bring the polishing surface into close contact with the bottom surface of the ship;
The polishing wheel (52)
Shaped disk plate having a central through hole formed therein so as to be rotatable in the direction of the grinding motor 51 from the grinding wheel 52 to the inside of the grinding housing 53 at the rotation axis of the grinding motor 51 A disc impeller 10 having a disc-shaped disc wheel 11 adapted to rotate under the action of a rotational force and a plurality of vane blades 12 protruding from the disc wheel 11 in the direction of the grinding wheel 52, Is provided on the surface of the vessel. delete delete delete delete delete delete

Images