KR20110034063A

KR20110034063A - Painting carriage for tank

Info

Publication number: KR20110034063A
Application number: KR1020090091417A
Authority: KR
Inventors: 김기홍; 윤중근; 김대영; 정몽규; 류영곤; 남묘영
Original assignee: 현대중공업 주식회사
Priority date: 2009-09-28
Filing date: 2009-09-28
Publication date: 2011-04-05

Abstract

PURPOSE: A semiautomatic painting carriage for walls of a tank is provided to ensure uniform painting quality by performing a painting work by moving a nozzle along a wall of the tank while maintaining a regular interval from the wall of the tank. CONSTITUTION: A semiautomatic painting carriage for walls of a tank comprises: a mobile structure(110) coupled with a wall(10) of a tank to be moved to a columnar direction along the wall; a support(120) for supporting the paint nozzle, which is combined with a moving structure and moves in a vertical direction so that a plurality of paint nozzles(140) is spaced from the wall of the tank in a regular interval; and a motor winch(130) vertically transferring the support.

Description

Semi-automatic painting carriage for tank wall {Painting carriage for tank}

The present invention relates to a semi-automatic paint carriage, and more particularly, to a semi-automatic paint carriage for a tank wall for painting by moving a paint spray nozzle along an inner / outer wall of a cylindrical tank.

In general, a coating film is formed on the inner and outer walls of the tank by coating, and the coating film provides a function of preventing the tank wall from being corroded, in addition to making the tank have a cleaner appearance. Since the coating quality of the inner wall of the tank where direct contact is made is directly related to the durability of the tank, the painting work is one of the very important tasks in the production of the tank.

On the other hand, since most tanks have a cylindrical structure so as to evenly distribute the pressure generated by the stored fluid to the wall of the tank, the automatic coating device is not easy to use, and the painting on the tank wall is dependent on manual labor.

However, in the case of manual work, there is a difference in painting quality according to the skill of the operator. Moreover, since the painting work on the inner wall of the tank is performed in a closed space, the worker environment is easily exposed to harmful substances. Have.

The present invention has been made in consideration of the above problems, and an object of the present invention is to make the coating work while the paint spraying nozzle spraying the paint moves along the tank wall while maintaining a constant distance from the tank wall. The present invention provides a semi-automatic paint carriage for a tank wall that can provide paint quality.

In addition, there is provided a semi-automatic paint carriage for the tank wall that can reduce the contact with harmful substances by eliminating the need for the operator to enter the inside of the tank directly for painting the tank inner wall.

In addition, the present invention provides a semi-automatic paint carriage for a tank wall that can improve productivity due to automation of the paint work.

Semi-automatic paint carriage for the tank wall of the present invention to achieve the object as described above and to perform the problem for eliminating the conventional defects is a moving structure coupled to the tank wall to move in the circumferential direction along the wall of the tank; A support that is coupled to the moving structure and moves in a vertical direction and supports the paint spray nozzles so that the plurality of paint spray nozzles are spaced apart from the tank wall by a predetermined distance; And an electric winch installed on the moving structure and connected to the support to move the support up and down.

On the other hand, the moving structure is provided with two or more roller units consisting of a pair of rollers disposed to face each other with the wall of the tank therebetween wall engaging portion movably coupled to the tank wall; A plurality of struts extending from the wall coupling portion to a vertical lower portion and coupled to the support to support vertical movement of the support; And a plurality of spacing bars that are formed to extend from the respective struts to the wall of the tank, and are provided with rollers that rotate in close contact with the tank wall.

On the other hand, each of the spacing bar is composed of the outer pipe and the inner pipe is coupled to each other, the length can be adjusted by binding the outer pipe and the inner pipe with a bolt while the inner pipe protrudes a predetermined distance from the outer pipe. It is configured to.

On the other hand, the lower end of each support is provided with a vertical adjustment block having a screw hole, the screw hole is coupled to the bolt column having a roller at the lower end is configured to enable the height adjustment of the moving structure.

According to the present invention having the characteristics as described above, since the road spray nozzle sprays the paint at a constant interval from the tank wall at all times, it is possible to provide a uniform coating quality, the uniformity of such coating quality This makes it possible to improve the reliability of the tank.

In addition, there is no need for an operator to enter the tank for painting inside the tank, thereby reducing the worker's exposure to harmful substances.

In addition, since the paint spray nozzle moves along the tank wall, painting is automatically performed, thereby improving productivity.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of a painting carriage according to a preferred embodiment of the present invention, FIG. 2 is a plan view of the painting carriage shown in FIG. 1, and FIG. 3 is a sectional view taken along the line A-A 'of FIG.

The paint carriage for the tank wall of the present invention is installed on the tank wall 10 so as to move in the circumferential direction of the tank along the tank wall 10 of the cylindrical structure, and the paint spray nozzle 140 for spraying the paint on the wall 10 By carrying out the painting operation while moving in a state spaced from a certain distance, to improve the automation and painting quality of the painting work, the moving structure 110, the support 120, and the electric winch 130 Consists of

The moving structure 110 is coupled to the tank wall 10 to move in the circumferential direction of the tank along the tank wall 10, while the paint spray nozzle 140 maintains a constant distance from the tank wall 10 To support the paint spray nozzle 140 to move.

The moving structure 110 is composed of the wall coupling portion 111 and the support 112 and the spacing bar 113.

The wall coupling part 111 is coupled to the upper end of the tank wall 10 by providing two or more roller units R including two rollers R1 and R2 facing each other with the wall 10 therebetween. On the other hand, the wall coupling portion 111 according to the present embodiment is provided with two roller units (R), one of the roller unit (R) is provided in the first wall coupling portion (111a), the other one The roller unit R is provided in the second wall coupling portion 111b, and the first wall coupling portion 111a and the second wall coupling portion 111b are spaced by a plurality of connection members 111c while being spaced apart at regular intervals. Interconnected to constitute the wall coupling portion 111.

The support 112 is provided with a pair, the provided pair of support 112 is formed in a structure extending vertically from the wall coupling portion 111 to the bottom to support the moving structure 110 with the paint spray nozzle It will support the vertical movement of the support (120) 140 is installed.

It is preferable that such strut 112 is configured to be able to adjust the height in order to be able to respond quickly in various working environments. To this end, the lower end of the support 112 is provided with a vertical adjustment block 151 having a screw hole, the screw hole is configured to be coupled to the bolt pillar 152 is installed roller (R3) at the lower end, such a structure According to this, the height of the support 112 can be adjusted by rotating the bolt column 152.

The spacing bar 113 is provided with a pair to be installed on each strut 112, the pair of spacing bar 113 provided is a wall surface of the tank wall 10 from each strut 112 It is installed in a structure extending toward the side.

On the other hand, at the end of the spacing bar 113 is provided with a roller (R4) in close contact with the tank wall 10 to rotate.

The spacing bar 113 is preferably configured to be adjustable in length in order to be able to respond quickly in various working environments. That is, the gap maintaining bar 113 is composed of an outer pipe 113a and an inner pipe 113b inserted into and coupled to the outer pipe 113a, and the inner pipe 113b is separated from the outer pipe 113a. In the state of protruding a predetermined distance, the length of the interval maintaining bar 113 is adjusted by binding the outer pipe 113a and the inner pipe 113b with the bolt 113c.

The support 120 is coupled to the support 112 so as to be movable in the vertical direction along the support 112, a plurality of paint spray nozzles 140 for spraying the paint is installed. At this time, the plurality of paint spray nozzles 140 are installed side by side while maintaining a constant distance from each other along the support 120, the difference in the projection distance between the adjacent paint spray nozzles 140 according to the curvature of the tank wall. As a result, the end positions of the paint spray nozzles 140 are all installed to maintain the same distance from the tank wall surface.

As such, the paint spray nozzle 140 installed on the support 120 is connected to a paint supply source not shown through a hose to receive paint.

On the other hand, in order to enable the support 120 to move up and down along the support 112, the guide rail 112a is installed on the support 112, and the guide member 121 is coupled to the guide rail 112a. By installing the support 120 to the support 120 can be configured to move stably along the support (112).

The electric winch 130 is installed on the wall coupling portion 111, is connected to the support 120 to raise and lower the support 120. The electric winch 130 is to raise and lower the support 120 by winding or unwinding the rope by using a motor, and since it is a well-known technique that is used in various industries, a detailed description thereof will be omitted.

In order to perform the painting work using the semi-automatic painting carriage for the tank wall surface of the present invention configured as described above, the painting carriage is transported to the tank requiring painting work by using heavy equipment such as a crane, and at this time, the wall coupling part 111 The painting carriage is positioned so that the wall 10 is inserted between the provided rollers R1 and R2.

When the transportation and installation of the paint carriage is completed as described above, the paint spray nozzle 140 and the paint supply source (not shown) are connected by a hose.

When the preparation for painting is completed as described above, the paint is fed to the paint supply source to spray the paint from the paint spray nozzle 140 and the electric winch 130 is operated to move the support 120 in the vertical direction. The painting work is started by moving, and the support 120 located at the top end moves to the bottom end to perform painting work on a predetermined section of the tank wall. On the other hand, the operation of the electric winch 130 is operated by a remote controller using a remote operator.

As such, when the painting work for a predetermined section of the tank wall surface is completed, the moving structure 110 is pushed to move to the next position. The movement of the movable structure 110 may be used by the operator directly pushing the movable structure 110 or heavy equipment such as a crane.

On the other hand, the movement of the moving structure 110 is made in the circumferential direction of the tank along the tank wall 10, the support 120 by moving the electric winch 130 in the state where the movement of the moving structure 110 is completed to the next position By moving), the painting works for another section.

In this way, the tank wall is divided into several sections, and the paint works are repeatedly performed on each section to paint the entire tank wall.

On the other hand, because the support bar 120 can not be moved to the bottom of the tank by the spacing bar 113, a certain portion of the lower end of the tank is impossible to paint, this section is the operator directly to the painting work .

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is a front view of a painting carriage according to a preferred embodiment of the present invention;

2 is a plan view of the painting carriage shown in FIG.

3 is a cross-sectional view taken along line AA ′ of FIG. 1.

(10): wall (110): moving structure

(111): wall coupling portion 112: prop

(113): spacing bar (113a): outer pipe

(113b): inner pipe (113c): bolt

120: support 130: electric winch

140: paint spray nozzle 151: up and down adjustment block

(152): bolt pillar

Claims

A moving structure 110 coupled to the tank wall 10 to move circumferentially along the wall of the tank;

The support 120 is coupled to the movable structure 110 and moves in the vertical direction, and supports the paint spray nozzle 140 so that the plurality of paint spray nozzles 140 are spaced apart from the tank wall by a predetermined distance. ; And

The semi-automatic paint carriage for the tank wall surface, characterized in that it is installed on the moving structure 110, connected to the support 120, consisting of an electric winch 130 for moving the support 120 up and down.

The method of claim 1, wherein the moving structure 110,

A wall engaging portion 111 provided with two or more roller units R consisting of a pair of rollers R1 and R2 disposed to face each other with the wall of the tank interposed therebetween so as to be movable to the tank wall 10. ;

A plurality of struts 112 formed to extend vertically downward from the wall coupling portion 111 and coupled to the support 120 to support vertical movement of the support 120; And

Semi-automatic tank wall surface is characterized in that it is formed to extend from the each of the struts 112 to the wall surface of the tank, and a plurality of interval maintaining bar 113 is provided with a roller (R4) in close contact with the tank wall surface and rotates. Painted carriage.

The method of claim 2,

Each of the gap retaining bars 113 is formed of an outer pipe 113a and an inner pipe 113b coupled to each other, and bolts in a state in which the inner pipe 113b protrudes a predetermined distance from the outer pipe 113a. Semi-automatic paint carriage for tank wall, characterized in that the length adjustment is possible by binding the outer pipe (113a) and the inner pipe (113b) with (113c).

The method of claim 2,

The lower end of each support 112 is provided with a vertical adjustment block 151 having a screw hole, the bolt hole 152 having a roller (R3) is coupled to the screw hole is the height of the movable structure 110 Semi-automatic paint carriage for tank wall, characterized in that configured to be adjustable.