KR200442642Y1 - Movable air grinder - Google Patents

Abstract

The present invention relates to a mobile polishing apparatus for forming an excellent welding improvement surface by installing a polishing device having a different depth and width depending on the welding improvement surface inside the main body of the traveling cart. The connector is formed on one side and both sides, and the driving wheels are further installed on both sides of the main body so that the worker can selectively attach the connecting rod to the connector and the left or right side of the main body facing the horizontal plane of the ship block. It can remove rust of welding improvement surface formed on the vertical surface, and the polishing device installed inside the main body is installed to be adjustable according to various depth and width of the welding improvement surface. According to the invention, it is convenient to move in an upright state, The welding improved surface formed on the vertical surface can be removed by adjusting the polishing device to various depths and widths according to the type and part of the ship, thereby obtaining an excellent welding improved surface.

Mounting Bracket, Rotating Bracket, Travel Bogie, Travel Wheel, Handle, Polishing Device, Pneumatic Grinder, Pneumatic Cylinder, Holder, Fastener, Polishing Brush

Description

Movable air grinder which enables to work on welding improvement surface of vertical plane

1 is a perspective view of a mobile polishing apparatus for working the welding improved surface of the vertical surface according to the present invention.

2 is a side cross-sectional view of FIG. 1.

Figure 3 is a front view showing a welding improved surface working state of the horizontal plane according to the present invention.

Figure 4 is a front view showing a welding improved surface working state to the right side of the main body according to the present invention toward the horizontal plane.

5 is a front view showing a welding improved surface working state to the left side of the main body according to the present invention toward the horizontal plane.

6 a and b are a front view and a rear view showing a height adjustment state of the polishing apparatus according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: mounting bracket 11: the first rotating part

12: second rotating part 20: the first fixing bracket

30: second fixing bracket 40: rotating bracket

50, 51: fixing bolt 60, 61: fixing hole

100: running cart 110: main body

111, 112, 113: connector 120, 121, 122: driving wheel

130: handle portion 131: connecting rod

200: grinding apparatus 210: pneumatic grinder

220: pneumatic cylinder 250: holder

260: fastener 270: polishing brush

The present invention relates to a mobile polishing apparatus for forming an excellent welding improvement surface by installing a polishing device having a different depth and width according to the welding improvement surface inside the main body of the traveling cart, and more specifically, to the left side of the main body of the traveling cart. To improve the welding surface of the vertical surface to the surface or the right side facing the horizontal surface, to be movable to remove the rust of the welding improved surface of the vertical surface by the polishing brush exposed through the opening of the bottom of the main body. Relates to a mobile pneumatic grinder.

In general, in order to improve welding quality during welding work for mounting of blocks during ship construction, rust, etc., on the welding improvement surface, which is a welding part, must be removed.

Therefore, the worker is equipped with a wire brush and a cup-type or disk-type grinding member in the hand-type pneumatic grinder to remove the rust of the welding improved surface, the operator is squatting for a long time to work, so that various musculoskeletal disorders occur In addition, the harmful dust generated during the work is aspirated for a long time to cause the risk of pneumoconiosis.

Therefore, conventionally, the pneumatic grinder is fixedly installed inside the main body of the movable travel truck and exposed to the polishing member rotated by the pneumatic grinder through the lower opening of the main body so that the operator can move easily in an upright state while rusting the weld improved surface. A mobile pneumatic grinder has been proposed to remove the back.

However, since the welding improvement surface, which is a welding part, varies in depth and width according to the type and part of the vessel, the mobile pneumatic grinder having the conventional pneumatic grinder fixed to the inside of the main body smoothly rusts the welding improving surface. Removal work was not possible, which caused a factor to hinder quality improvement due to various poor welding.

Accordingly, the present applicant is to operate the pneumatic grinder installed on the main body of the running cart up and down by the operation of the pneumatic cylinder to adjust the working depth between the polishing brush of the pneumatic grinder and the welding improved surface, and also the holder of the front of the pneumatic grinder Utility model for controlling the working width between the polishing brush of pneumatic grinder and the improved welding surface by selectively inserting a plurality of radial type brushes in accordance with the working width and fastening them with fasteners. (No. 2007-0007918) The mobile pneumatic grinder which can adjust the work according to the improved surface) was proposed, and this pre-application can adjust the working depth and width according to the shape and characteristics of the weld improved surface to obtain an excellent welding improved surface.

However, the applicant of the present application can remove the rust of the welding improved surface formed on the horizontal plane, but not the removal of the rust of the weld improved surface formed on the vertical plane, and also move in close contact with the vertical plane as a predictable example. Even though pneumatic grinders can be installed on the traveling cart to enable rust removal, etc., it is impossible to adjust the working depth and width according to the shape and characteristics of the welding improved surface of the vertical surface, thereby improving the welding surface. A problem arises that cannot be obtained.

Therefore, the present invention has been devised to solve the deficiencies of the conventional mobile polishing apparatus, and the purpose thereof can be conveniently moved, and the rust of the welding improved surface having various depths and widths depending on the type and part of the vessel. Improved welding surface of the vertical plane to make the removal work smooth, and to improve the welding surface formed on the vertical surface according to various depths and widths, and to remove the rust, etc. It is to provide a mobile polishing apparatus that makes it possible to work.

Another object of the present invention is a mobile polishing to enable the smooth running of the running cart and the water-improved welding improved surface to apply pressure to the vertical welded surface when removing the rust of the weld improved surface of the vertical surface. It is to provide a device.

Another object of the present invention is to move the mobile grinding surface to enable the welding surface of the vertical surface to adjust the height of the pneumatic grinder and the pneumatic cylinder to match the polishing surface and the polishing brush when working the welding surface of the vertical surface It is to provide a device.

The present invention for achieving the above object is to form a connector on the upper side and both sides of the main body of the running cart, respectively, and further install the driving wheels on both sides of the body, the operator selectively attaches the connecting rod of the handle portion to the connector and the The left side or the right side faces the horizontal surface of the ship block to remove the rust of the welding improvement surface formed on the vertical surface of the block, and the polishing device installed inside the main body can be adjusted according to various depths and widths of the welding improvement surface. Since it is installed so as to obtain an excellent welding improved surface of the vertical surface, it will be described in more detail based on the accompanying technical details below as follows.

That is, Figure 1 and Figure 2 shows a perspective view and a side cross-sectional view of a mobile polishing apparatus for working the welding improved surface of the vertical plane according to the present invention, Figure 3 is a welding improved surface of the horizontal plane according to the present invention The front view showing the working state is shown, the present invention is the driving wheels 120 are respectively installed on the lower four sides of the frame-shaped frame body 110 of the lower end is opened, the upper one side of the main body 110 is moved And a driving cart 100 fixed to the handle 130 to be steerable by the connecting rod 131.

The pneumatic grinder 210 is installed inside the main body 110 of the traveling cart 100 by a plurality of brackets 10, 20, 30, 40 so that the pneumatic grinder 210 is operated up and down by the operation of the pneumatic cylinder 220. A plurality of abrasive brushes 270 are selectively inserted into the holder 250 formed at the front of the pneumatic grinder 210 and screwed into the fastener 260 to expose the lower ends of the openings of the main body 110. In the removable polishing device consisting of; the brush 270 to adjust the depth and width according to the welding improvement surface; consisting of, the handle portion by forming a connector 111 on the upper side of the main body 110 The connecting rod 131 formed on the 130 is detachable, and the driving wheels 121, 122 are installed on both sides of the main body 110, and the connectors 112 are provided on both sides of the main body 110, respectively. A 113 is formed so that the left side or the right side of the main body 110 faces the horizontal plane of the ship block. In order to selectively attach the connecting rod 131 formed on the handle 130 so as to improve the welding improved surface formed on the vertical surface of the ship block by the polishing brush 270.

In addition, each of the connectors 112 and 113 formed on both side surfaces of the main body 110 are formed in the upper center and one side center of the side, respectively, diagonally.

In addition, the pneumatic grinder 210 installed inside the main body 110 is installed so that the polishing brush 270 is spaced a predetermined distance from the center of the lower end of the opening of the main body 110 to one side, the left side of the main body 110 or It is configured to change the height when working the welding improved surface of the vertical surface using the right side.

In addition, the second fixing bracket 30 supporting the pneumatic grinder 210 and the first fixing bracket 20 supporting the pneumatic cylinder 220 are fixed to the front and rear of the main body 110, respectively. Is fixed by (51), the left and right long rectangular fixed holes (60, 61) formed in front / rear of the main body 110 to move the pneumatic grinder 210 and the pneumatic cylinder 220 by a certain distance By fixing the fixing bolts 50, 51 so as to adjust the height so that the polishing brush 270 is accurately positioned on the welding improvement surface when working the welding improvement surface of the vertical surface.

On the other hand, the abrasive brush 270 of the present invention is preferably composed of a radial brush made of a material with excellent wear resistance and elasticity, pneumatic cylinder 220 is composed of a double-acting cylinder is equipped with a stopper to enable adjustment of the stroke It is preferable that the present invention is desirable but can be modified in any other form that can be predicted.

In addition, the driving wheels installed on the rear of the main body 110 of the driving wheels 120, 121 and 122 installed on the lower side and both sides of the main body 110 of the traveling cart 100 by rotating locking driving wheels Can be configured to operate by locking / unlocking by the control lever installed in the handle 130, and also configured to be able to partially set the lock / unlock function to the lower or left side, the right side of the main body 110 as needed. Of course you can.

In the reference numerals, reference numeral "10" is a mounting bracket, "11" is a first rotating part, "12" is a second rotating part, and "40" is a rotating bracket.

In the present invention configured as described above, the pneumatic pressure generated in the air compressor (not shown) is delivered to the hand valve (not shown) through an air filter (not shown), etc., and the pneumatic cylinder 220 is operated by the operation of the hand valve. Will work.

In addition, the pneumatic pressure generated in the air compressor is transmitted to an operation valve (not shown) through an air filter, etc., and operates the pneumatic grinder 210 according to the operation of the operation valve.

Referring to the operation of the present invention configured as described above with reference to Figures 1 to 3 as follows.

First, the worker grasps the handle 130 of the upper portion of the driving cart 100 in an upright state and moves the polishing brush 270 exposed at the bottom of the main body 110 to match the welding improvement surface, as shown in FIG. 2. A plurality of abrasive brushes 270 are inserted into the fastener 260 to fit the working width of the welding improvement surface to be improved, and one side of the fastener 260 is provided on the front of the pneumatic grinder 210. It will be inserted into and screwed in.

In addition, when operating the pneumatic cylinder 220 is installed in the first fixing bracket 20 fixed by the fixing bolt 50 in front of the main body 110 to match the working depth of the improved welding surface to be improved The rotating bracket 40 formed on the rod end of the pneumatic cylinder 220 is moved up and down, so that the second fixing bracket 30 fixed by the fixing bolt 51 at the rear of the main body 110 is the second rotating part. The mounting bracket 10 is connected to the mounting bracket 10 by the 12 and the rotating bracket 40 is connected to the first rotating part 11 of the mounting bracket 10, so that the mounting bracket 10 is connected to the second rotating part 12. By rotating by the pneumatic grinder 210 is fixed to match the mounting bracket 10 is rotated to adjust the working depth of the polishing brush 270 and the welding improved surface.

Therefore, the present invention can adjust the working depth and width of the polishing brush 270 according to the welding improvement surface that varies its depth and width according to the type and part of the vessel as shown in Figure 3 can smoothly remove rust, etc. As a result, a defect due to welding does not occur.

Then, the connecting rod 131 formed on the handle 130 as shown in Figure 4 attached to the connector 112 formed on the left side of the main body 110 and positioned so that the right side of the main body 110 faces the horizontal plane of the ship block Thereafter, the polishing brush 270 exposed at the lower opening of the main body 110 coincides with the welding improvement surface formed on the vertical surface of the block, so that the operator operates the pneumatic grinder 210 to handle the handle 130 of the traveling cart 100. If you hold it and push it, you can get a good welding surface of the vertical.

In addition, as shown in FIG. 5, the connecting rod 131 formed on the handle 130 is attached to the connector 113 formed on the right side of the main body 110, and the left side of the main body 110 is positioned to face the horizontal plane of the ship block. After the polishing brush 270 exposed to the lower opening of the main body 110 to match the welding improvement surface formed on the vertical surface of the block by the operator to operate the pneumatic grinder 210 to hold the handle 130 and push the excellent It is possible to obtain a welded improvement surface of the vertical plane.

Here, the welding improvement surface which is usually formed on the vertical surface of the ship block is located on the horizontal plane, that is, about 100mm or about 300mm from the bottom surface according to the present invention according to the present invention according to the polishing brush 270 is the lower end of the opening of the main body 110 Since the worker is installed to be spaced at a predetermined interval from the center of the operator, if the height of the welding improvement surface is located at about 100 mm, the right side of the main body 110 is used to face the bottom surface and the welding improvement surface If the height of the position is about 300 mm, the left side of the main body 110 is used to face the bottom surface.

In addition, the connectors 112 and 113 formed on the left and right sides of the main body 110 are formed diagonally in the upper center and one side of the side, respectively, so that the traveling cart 100 can proceed smoothly and at the same time. It is possible to apply a pressing force to the welding improvement surface.

Meanwhile, in the present invention, as shown in FIG. 6, the pneumatic grinder 210 and the pneumatic cylinder installed at the front and rear of the main body 110 to accurately position the welding improvement surface and the polishing brush 270 formed on the vertical surface of the ship block. The fixing bolts (50) and (51) of the first fixing bracket (20) and the second fixing bracket (30) that support (220) are loosened and moved to form a rectangular fixing hole (60) (61). After tightening the fixing bolts 50 and 51 after moving through), the height of the polishing brush 270 is accurately positioned on the welding improvement surface when the welding improvement surface of the vertical surface is working.

In the above described and described with respect to the preferred embodiment of the present invention, but the present invention is not limited to the above-described embodiment without having to deviate from the gist of the present invention claimed in the claims without having ordinary knowledge in the field Any modification can be made by any person, and such changes are within the scope of the described claims.

As described above, according to the present invention, the welding improvement surface formed on the vertical plane as well as the horizontal plane of the ship block while conveniently moving in an upright state is adjusted to various depths and widths according to the type and part of the ship, such as rust and the like. The removal work can be performed to obtain an excellent welding improvement surface.

In addition, the grinding device can be fixed by fixing bolts by moving the grinding device through the left / right long rectangular fixing holes formed at the front and rear of the main body. You can adjust the height to match.

In addition, when the removal of rust and the like on the vertical improvement of the welding surface, the handle portion is attached in an oblique direction and moved while applying a constant pressure to the welding improvement surface of the vertical surface, so that the smooth removal of rust and the like on the improved welding surface can be performed. And the like can be obtained.

Claims (4)

The driving wheels 120 are respectively installed on the lower sides of the frame-shaped frame body 110 having a lower end portion, and the handle 130 for moving and steering the upper one side of the body 110 is connected to the rod 131. A traveling cart 100 fixedly installed; The pneumatic grinder 210 is installed inside the main body 110 of the traveling cart 100 by a plurality of brackets 10, 20, 30, 40 so that the pneumatic grinder 210 is operated up and down by the operation of the pneumatic cylinder 220. A plurality of abrasive brushes 270 are selectively inserted into the holder 250 formed at the front of the pneumatic grinder 210 and screwed into the fastener 260 to expose the lower ends of the openings of the main body 110. In the mobile polishing device consisting of; Polishing device 200 to the brush 270 to adjust the depth and width according to the welding improved surface, The connector 111 is formed on the upper side of the main body 110 so that the connecting rod 131 formed on the handle 130 is detachable, and the driving wheels 121 and 122 are formed on both sides of the main body 110. In addition, the connecting rods formed on the handle 130 to form a connector (112, 113) on both sides of the main body 110, respectively, so that the left or right side of the main body 110 toward the horizontal surface of the ship block. A mobile polishing apparatus for selectively working on the welding improved surface of the vertical surface, characterized in that to selectively attach (131) to improve the welding improved surface formed on the vertical surface of the ship block by the polishing brush (270). The method of claim 1, Each of the connectors 112 and 113 formed on both sides of the main body 110 are movable polishing apparatuses capable of working on the improved welding surface of the vertical surface, characterized in that formed on the upper center and one side center of each side diagonally. . The method of claim 1, The pneumatic grinder 210 installed inside the main body 110 is installed so that the polishing brush 270 is spaced at a predetermined interval from the center of the lower end of the opening of the main body 110 to one side, so that the left side or the right side of the main body 110 is fixed. A movable polishing apparatus for working on a welding improvement surface of a vertical surface, characterized in that the height is changed so as to change the height when working the welding improvement surface of the vertical surface by using. The method of claim 1, The second fixing bracket 30 supporting the pneumatic grinder 210 and the first fixing bracket 20 supporting the pneumatic cylinder 220 are fixed to the front and rear of the main body 110, respectively. To be fixed by, but fixed to the front / rear of the main body 110 to form a long rectangular fixed holes 60, 61 to move the pneumatic grinder 210 and the pneumatic cylinder 220 a certain distance. Improved welding of the vertical plane, characterized in that the height of the polishing brush 270 can be adjusted to be accurately positioned on the welding improvement plane when working the welding improvement plane of the vertical plane by fixing the bolts (50, 51) Removable polishing device to make the surface workable.

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