JP2779122B2 - Paint removal equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remover for removing attached matter such as shellfish (barnacles and oysters) attached to a painted surface of a structure constructed in the sea or on the water.

[0002]

2. Description of the Related Art Conventionally, in a removing tool having a metal removing blade member, when removing an attached matter such as a shellfish adhered to a painted surface, a coating film is peeled when the tip of the removing blade member is applied to the painted surface. Therefore, several mm between the tip of the removal blade member and the painted surface
The gap of the degree was formed. Then, by moving the removing blade member along the painted surface, shells and the like are removed from the painted surface at the tip of the removing blade member.

[0003]

However, in the above-mentioned conventional type, when the coating surface has a convex portion such as a seam step, a weld overlay or a projection, the leading end of the removing blade member has such a shape. There is a problem that the projection collides with and is damaged.

An object of the present invention is to solve the above problem and to provide a tool for removing deposits on a painted surface having a removing blade member capable of avoiding a convex portion present on the painted surface. is there.

[0005]

According to a first aspect of the present invention, there is provided a tool for removing a substance adhering to a painted surface, which is provided at a tip of a rotating shaft perpendicularly facing the painted surface. A rotating disk is provided at the tip of the rotating shaft rotating in a fixed direction via an elastic part, and first urging means for urging the elastic part toward the coating surface is provided. An arcuate curved surface that is rotatably supported around an axial center along the radial direction and that removes deposits on the painted surface at its tip at a predetermined position at the tip of the removed blade member and that is in contact with the painted surface. A second urging means for urging the removing blade member to rotate forward in the rotation direction of the rotation shaft;
A stopper is provided which regulates the position of the removing blade member in a posture inclining perpendicularly to the coating surface or backward in the rotational direction against the urging force of the urging means.

[0006] In the second aspect of the present invention, there is provided a tool for removing adhering matter on a painted surface, which is provided at a tip of a rotating shaft which is vertically opposed to the painted surface. A rotating disk is provided, and the rotating disk is provided with a removing blade member along the radial direction of the rotating shaft.
An auxiliary plate rotatably supported around an axial center along the radial direction of the rotating shaft, a blade body rotatably connected to the auxiliary plate and removing a deposit on the coating surface at a tip thereof, First urging means for urging the plate to rotate forward in the rotation direction of the rotating shaft;
A first stopper that regulates the position of the auxiliary plate in an inclined posture against the urging force of the first urging unit, and a second urging unit that rotationally urges the blade body with respect to the auxiliary plate in an opening direction. An auxiliary plate and a second stopper that regulates the position of the blade body in a V-shape against the urging force of the second urging means. And a guide plate having the following.

[0007]

According to the structure of the first aspect of the present invention, the rotating shaft rotates in a fixed direction, so that the rotating disk also rotates in a fixed direction, and the tip of the removing blade member moves along the coating surface to remove the deposits. To go. At this time, there is a convex portion such as a seam step or a weld overlay or a projection on the painted surface, and when the removing blade member collides with such a convex portion, the removing blade member is
Against the urging force of the second urging means, it tilts backward in the rotation direction of the rotating shaft. As described above, the convex portion can be released backward by tilting the removing blade member backward in the rotation direction of the rotating shaft, so that damage to the removing blade member can be prevented. After the protrusion is released backward, the removing blade member is rotationally urged forward in the rotation direction of the rotating shaft by the urging force of the second urging means, and comes into contact with the stopper to return to the original posture.

Further, when the guide plate rides on the convex portion of the painted surface, the stretchable portion is shortened against the urging force of the first urging means, so that the guide plate can smoothly climb over the convex portion. . This can prevent the removal blade member from being damaged.

According to the configuration of the second aspect of the present invention, when the rotating shaft rotates in a fixed direction, the rotating disk also rotates in a fixed direction, and the tip of the blade body moves along the coating surface to remove deposits. Go. At this time, when there is a convex portion such as a seam step, a weld overlay or a projection on the painted surface, and the blade body collides with such a convex portion, the auxiliary plate is pressed by the urging force of the first urging means. To the rear in the rotation direction of the rotation shaft. As described above, since the auxiliary plate is rotated rearward in the rotation direction of the rotation shaft, the protrusion can be released to the rear of the removing blade member, so that damage to the blade body can be prevented. After the protrusion is released backward, the auxiliary blade is rotated and urged forward by the urging force of the first urging means in the rotation direction of the rotating shaft and comes into contact with the stopper, whereby the removing blade member returns to the original posture. .

Further, when the guide plate rides on the convex portion of the painted surface, the blade body rotates in the closing direction with respect to the auxiliary plate against the urging force of the second urging means. Can get over the department smoothly. This can prevent the blade body from being damaged.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the first invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, reference numeral 1 denotes an underwater robot that can move along the surface of the structure 2 to clean the structure 2 built in the sea, for example. A rotating shaft 4 which is vertically opposed to the coating surface 3 of the structure 2 and is rotatable in a certain direction is provided so as to be able to move out and back. The coating surface 3
There is provided a removing tool 6 for removing extraneous matter 5 such as shellfish adhered to the surface.

That is, an extensible shaft 8 (an example of an extensible portion) that is extendable and retractable with respect to the painted surface 3 is connected to the tip of the rotating shaft 4 via a pair of flanges 7. The telescopic shaft 8 is formed by an inner shaft 8a and an outer shaft 8b which is fitted to the distal end of the inner shaft 8a and is movable in the axial direction. The inner shaft 8a and the outer shaft 8b are connected by a slide key 10. The outer shaft 8b is prevented from falling off from the inner shaft 8a by a fitting ring-shaped stopper 11 attached to the tip of the inner shaft 8a. Also, on the inner shaft 8a,
Coil spring 12 for urging outer shaft 8b toward painted surface 3
(An example of the first urging means) is fitted outside. The coil spring 12 is attached by being compressed between one end surface of the outer shaft 8b and a ring-shaped spring retainer 13 attached to the inner shaft 8a.

A disk-shaped turntable 16 is mounted on the other end of the outer shaft 8b. The turntable 16 has a hinge 17
Of the telescopic shaft 8 along the radial direction of the telescopic shaft 8.
It is provided radially every 0 °. On the support shaft 18, a comb-like removal blade member 19 for removing the deposit 5 (shellfish, etc.) on the painted surface 3 at the tip is rotatably supported around the axis of the support shaft 18. A plurality of guide plates 20 are attached to the distal end of each removal blade member 19 at substantially predetermined intervals.
As shown in FIG. 3, these guide plates 20 have an arcuate curved surface 21 in contact with the painted surface 3, and the protruding end protrudes forward in the rotation direction A of the rotation shaft 4. The arcuate curved surface of the guide plate 20
A guide plate is formed so that a slight gap 22 is formed between the tip of the removing blade member 19 and the painted surface 3 in a state where the 21 is in contact with the painted surface 3.
20 is attached to the removing blade member 19.

A spring 23 (an example of a second urging means) for urging the removing blade member 19 to rotate forward in the rotation direction A is fitted on each support shaft 18. In addition, a stopper 24 for restricting the position of the removing blade member 19 in a posture perpendicular to the coating surface 3 against the urging force of these springs 23 is attached to the turntable 16. These stoppers 24 are located forward of the removing blade member 19 in the rotation direction A, and the position of the removing blade member 19 is regulated by contacting the stopper 24.

The operation of the above configuration will be described below.
The underwater robot 1 is moved to bring the guide plate 20 into contact with the painted surface 3 as shown in FIG. Then, by rotating the rotating shaft 4 in a constant rotation direction a, the telescopic shaft 8 and the rotating disk are rotated.
Both 16 rotate in the rotation direction a. Thereby, the attached matter 5 such as shellfish is removed while the tip of the removing blade member 19 moves along the painted surface 3. At this time, the arc-shaped curved surface of the guide plate 20
The gap 21 is always formed between the removing blade member 19 and the painted surface 3 because the 21 moves in contact with the painted surface 3. Therefore, it is possible to remove the deposit 5 at the tip of the removing blade member 19 without peeling off the coating film on the coating surface 3.

Further, even if the painted surface 3 is a curved surface having undulations, the extensible shaft 8 expands and contracts in the axial direction in accordance with the undulations, so that the guide plate 20 can be surely painted along the undulations of the painted surface 3. Face 3
Touch Therefore, the attached matter 5 on the painted surface 3 can be reliably removed at the tip of the removing blade member 19.

As shown in FIG. 4, when the coating surface 3 has a convex portion 27 such as a seam step, a weld overlay or a projection, and the removing blade member 19 collides with such a convex portion 27,
The removing blade member 19 is inclined rearward in the rotation direction a against the urging force of the spring 23. In this way, since the removal blade member 19 is inclined, the convex portion 27 can be released backward,
Damage to the removing blade member 19 can be prevented. After the protrusion 27 is released to the rear, the removing blade member 19 is rotated and urged forward in the rotation direction a by the urging force of the spring 23, and comes into contact with the stopper 24 as shown in FIG. Return to

When the guide plate 20 rides on the projection 27 as shown by the solid line in FIG.
Since the telescopic shaft 8 moves toward the underwater robot 1, the telescopic shaft 8 is shortened in the axial direction, so that the guide plate 20 can pass over the convex portion 27 smoothly. Therefore, damage to the removing blade member 19 can be prevented.

In the above embodiment, the position of the removing blade member 19 is regulated by the stopper 24 in a posture perpendicular to the coating surface 3 as shown by the solid line in FIG. 3, but as shown by the imaginary line in FIG. Thus, the position of the removal blade member 19 may be regulated in a posture inclined rearward in the rotation direction a.

Hereinafter, an embodiment of the second invention will be described with reference to FIGS. As shown in FIGS.
A turntable 40 is provided at the end of the rotary table. This turntable 40
Are four arms extending radially about the rotation axis 4
It has 41. Each arm 41 has a pair of brackets 42
And a plurality of hinges 44 each including a support shaft 43 provided between the two brackets 42. A plurality of removal blade members 45 are mounted via the support shafts 43 of the hinges 44. Each of the removing blade members 45 is attached at a substantially predetermined interval, and the mounting position is shifted for each arm 41 so as to fill a gap between adjacent removing blade members 45.

Each of the removal blade members 45 includes an auxiliary plate 46 rotatably provided on the support shaft 43 and a blade body 48 rotatably connected to the auxiliary plate 46 via a hinge 47. It is formed in a V shape that can be opened and closed freely. The auxiliary plate 46 includes the support shaft 43
A first spring 49 (an example of a first biasing unit) provided on the rotating shaft 4 biases the rotating shaft 4 to rotate forward in the rotation direction A. Further, the bracket 42 is provided with a first stopper 50 for restricting the position of the auxiliary plate 46 in an inclined posture against the urging force of the first spring 49. The hinge 47 has a blade body 48
Spring 51 for urging the rotation in the opening direction with respect to the auxiliary plate 46
(An example of a second urging means) and a second regulating means for regulating the position of the auxiliary plate 46 and the blade body 48 in a V shape against the urging force of the second spring 51.
A stopper 52 is provided. Further, guide plates 54 each having an arcuate curved surface 53 in contact with the coating surface 3 are provided at both ends of the blades 48. In the state where the arc-shaped curved surface 53 of the guide plate 54 is in contact with the painted surface 3, the tip of the blade body 48 is
The guide plate 54 is attached to the blade body 48 so that a slight gap 55 is formed between the guide plate 54 and the guide plate 54.

The operation of the above configuration will be described below.
By rotating the rotating shaft 4 in the constant rotation direction a, the rotating disk 40 rotates in the rotation direction a as shown in FIG. 8, whereby the tip of the blade body 48 moves along the coating surface 3. The deposits 5 such as shellfish are removed. At this time, the arc-shaped curved surface 53 of the guide plate 54 moves in contact with the painted surface 3, so that a gap 55 is always formed between the blade body 48 and the painted surface 3. Therefore, without peeling off the coating film on the coating surface 3, the blade body
It is possible to remove the deposit 5 at the tip of 48.

Further, even if the painted surface 3 is a curved surface having undulations, the blade body 48 rotates in the opening and closing direction in accordance with the undulations. Face 3
Touch Therefore, the deposit 5 on the painted surface 3 can be reliably removed at the tip of the blade body 48.

As shown in FIG. 9, a convex portion 27 such as a step at the seam, a weld overlay or a projection is present on the painted surface 3, and when the blade body 48 collides with such a convex portion 27, an auxiliary Board
46 rotates backward in the rotational direction a against the urging force of the first spring 49. As described above, since the auxiliary plate 46 is rotated, the protrusion 27 can be released to the rear of the removing blade member 45.
Damage to the blade body 48 can be prevented. After the protrusion 27 is released to the rear, the auxiliary plate 46 is rotationally urged forward in the rotational direction a by the urging force of the first spring 49, and as shown in FIG.
46 comes into contact with the first stopper 50, so that the removing blade member
45 returns to its original position.

As shown by the solid line in FIG.
When the blade rides on the convex portion 27, the blade body 48 rotates in the closing direction with respect to the auxiliary plate 46 against the urging force of the second spring 51. Thus, the guide plate 20 can smoothly pass over the convex portion 27. Therefore, damage to the blade body 48 can be prevented. As described above, since the blade body 48 is rotatable in the opening and closing direction with respect to the auxiliary plate 46, the complete turntable 16 is moved using the telescopic shaft 8 as in the above-described embodiment of the first invention. A large-scale structure is not required. Further, as shown in FIG. 8, the attached matter 5 is removed in a posture in which the blade body 48 is inclined forward with respect to the rotation direction a, so that the removing ability is good.

In each of the above embodiments, the guide plates 20, 54
A cushioning material may be attached to the arcuate curved surfaces 21 and 53 of FIG.

[0027]

As described above, according to the first aspect of the present invention, as the rotating shaft rotates in a certain direction, the rotating disk also rotates in a certain direction, and the tip of the removing blade member moves along the coating surface. Remove the deposits. At this time, there are convexities such as seams and weld overlays or protrusions on the painted surface,
When the removal blade member collides with such a convex portion, the removal blade member is inclined backward in the rotation direction of the rotating shaft against the urging force of the second urging means. As described above, the convex portion can be released backward by tilting the removing blade member backward in the rotation direction of the rotating shaft, so that damage to the removing blade member can be prevented. After the protrusion is released backward, the removing blade member is rotationally urged forward in the rotation direction of the rotating shaft by the urging force of the second urging means, and comes into contact with the stopper to return to the original posture.

Further, when the guide plate rides on the convex portion of the painted surface, the expansion and contraction portion is shortened against the urging force of the first urging means, so that the guide plate can smoothly climb over the convex portion. . Thereby, damage to the removal blade member can be prevented.

According to the second aspect of the present invention, when the rotating shaft rotates in a fixed direction, the rotating disk also rotates in a fixed direction.
The tip of the blade moves along the painted surface to remove the deposits. At this time, when there is a convex portion such as a seam step, a weld overlay or a projection on the painted surface, and the blade body collides with such a convex portion, the auxiliary plate is pressed by the urging force of the first urging means. To the rear in the rotation direction of the rotation shaft. As described above, since the auxiliary plate is rotated rearward in the rotation direction of the rotation shaft, the protrusion can be released to the rear of the removing blade member, so that damage to the blade body can be prevented. After the protrusion is released backward, the auxiliary blade is rotated and urged forward by the urging force of the first urging means in the rotation direction of the rotating shaft and comes into contact with the stopper, whereby the removing blade member returns to the original posture. .

When the guide plate rides on the convex portion of the painted surface, the blade body rotates in the closing direction with respect to the auxiliary plate against the urging force of the second urging means. Can get over the department smoothly. Thereby, damage to the blade body can be prevented.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a removal tool according to an embodiment of the first invention.

FIG. 2 is a view taken in the direction of arrows AA in FIG.

FIG. 3 is a longitudinal sectional view of the removing blade member in the embodiment of the first invention.

FIG. 4 is a view for explaining the operation of the removing blade member in the embodiment of the first invention.

FIG. 5 is a view for explaining the operation of the removing blade member in the embodiment of the first invention.

FIG. 6 is a front view of the removal tool according to the embodiment of the second invention.

FIG. 7 is a view as viewed in the direction of arrows AA in FIG. 6;

FIG. 8 is a longitudinal sectional view of a removing blade member according to the embodiment of the second invention.

FIG. 9 is a view for explaining the operation of the removing blade member in the embodiment of the second invention.

FIG. 10 is a view for explaining the operation of the removing blade member in the embodiment of the second invention.

[Explanation of symbols]

 3 Painted surface 4 Rotary shaft 5 Deposit 6 Removal tool 8 Telescopic shaft (expandable part) 12 Coil spring (first biasing means) 16 Rotating disk 19 Removal blade member 20 Guide plate 21 Arc-shaped curved surface 23 Spring (second biasing) Means) 24 Stopper 40 Rotating disc 45 Removal blade member 46 Auxiliary plate 48 Blade body 49 First spring (first biasing means) 50 First stopper 51 Second spring (second biasing means) 52 Second stopper 53 Arc shape Curved surface 54 Guide plate i Rotation direction

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-58-143852 (JP, A) JP-A-52-39971 (JP, A) Actually open 1984-150576 (JP, U) Actually open 60- 86487 (JP, U) Actually open 48-83665 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B08B 1/00-11/04 E02B 1/00 A47L 11/282 A47L 11/38

Claims (2)

(57) [Claims] 1. A removing tool provided at a tip of a rotating shaft vertically opposed to a coating surface, wherein a rotating disk is provided at a leading end of the rotating shaft rotating in a predetermined direction via a stretching portion. A first urging means for urging the surface of the coating surface with respect to the painted surface side, the rotating disk being rotatably supported around an axial center along a radial direction of the rotating shaft, and removing a deposit on the painted surface at a tip end. A removing blade member to be provided, and at a predetermined position of the distal end portion of the removing blade member,
A guide plate having an arcuate curved surface in contact with the painted surface, and urging the removal blade member to rotate forward in the rotation direction of the rotation shaft;
A coating means provided with an urging means, and a stopper for restricting the position of the removing blade member in a posture inclining perpendicularly to the coating surface or backward in a rotational direction against the urging force of the second urging means. Surface attachment removal tool. 2. A removing tool provided at a tip of a rotating shaft vertically opposed to a coating surface, wherein a rotating disk is provided at a tip of the rotating shaft rotating in a predetermined direction, and the rotating disk is provided with the rotating shaft. A removing blade member is provided along the radial direction of the rotating shaft, and the removing blade member is rotatably connected to the auxiliary plate rotatably supported around an axial center along the radial direction of the rotating shaft. A blade body for removing the deposits on the painted surface at the tip, a first urging means for urging the auxiliary plate to rotate forward in the rotation direction of the rotating shaft, and a resisting force against the urging force of the first urging means. A first stopper for regulating the position of the auxiliary plate in an inclined posture, a second urging means for urging the blade body to rotate in the opening direction with respect to the auxiliary plate,
A guide plate having an auxiliary plate and a second stopper for regulating the position of the blade body in a V-shape against the urging force of the urging means, the guide plate having an arc-shaped curved surface at the tip end of the blade body, which is in contact with the coating surface An attached matter removing device for a painted surface, characterized by comprising: