KR20110056610A - Moving polishing apparatus - Google Patents

Abstract

PURPOSE: A movable polishing apparatus is provided to improve the operating stability by firmly supporting a polishing unit when converting the direction of the polishing unit. CONSTITUTION: A movable polishing apparatus comprises a supporting unit(200), a polishing unit(300), and a dust collecting unit(400). When a polishing wheel of the polishing unit is located lower than wheels(240) of the supporting unit, a support bar(250) is turned upward around a shaft bolt so that a shaft and the wheels are moved upward and the wheels serve as a center axis, thereby stably supporting the polishing unit. Dust produced from the polishing unit is collected in a dust collecting container(450) through suction pipes(420) and bellows pipes(430) by a suction pump(440).

Description

Moving Polishing Apparatus

The present invention relates to a polishing apparatus for polishing a ship or concrete floor surface to maintain the flatness, and more particularly, a support portion is installed in the lower portion of the handle portion, the polishing portion supported by the support portion is installed, the operation of the polishing portion By installing the dust collecting unit which can collect the dust generated by the integrally, when the rotation and direction change of the grinding unit to ensure that the direction is changed in a state that is stably supported by the support to improve the stability of the work ship or concrete The unskilled hole can be ground evenly, and the efficiency of the polishing work can be improved, and the dust is prevented from being scattered by the dust collector, so that the worker's health is not impaired. To prevent the occurrence of environmental pollution It relates to a removable polishing apparatus.

As is well known, the polishing apparatus is mainly used to polish the epoxy resin applied to the bottom surface of a ship or to polish the bottom of a concrete building to maintain the flatness of the ground surface. A grinder has been proposed.

As an example, the polishing machine disclosed in Utility Model Registration No. 20-0419012 has a main body 12 having a handle portion 14 formed on one side of the upper side and an outlet 16 formed on one side thereof, as shown in FIG. , A motor 18 embedded in the main body 12, a polishing pad 20 rotating on the bottom surface of the main body 12 by a driving force of the motor 18, and connected to the handle part 14. In the grinding machine (10) consisting of a power supply unit (22) for supplying power to (18), a hose (26) having connecting connectors (24) at both left and right ends thereof is provided at an outlet (16) of the main body (12). And a vacuum suction part 28 is connected to the hose 26, and the vacuum suction part 28 is provided on the sump 30 and the upper part of the sump 30 to collect dust generated from the workpiece. It consists of a vacuum pump 32 to be mounted and a power supply unit 34 for applying power to one side of the vacuum pump 32.

Such a conventional grinding machine could improve the working environment or prevent environmental pollution by preventing dust from being scattered, but in order to perform the grinding work, the grinding work should be carried out while holding the main body and moving the vacuum suction unit. As the construction must be done by two or more people, the labor cost is increased, and when moving the main body with a motor which rotates at a high speed, the moving phenomenon occurs and the polishing operation cannot be performed stably. Only the worker can perform the work, resulting in a rise in labor costs and manufacturing costs, as well as a number of problems, such as greatly reduced work efficiency and productivity.

On the other hand, the conventional polishing pad or polishing brush used in such a conventional polishing machine is formed by adhering alumina or industrial diamond to the surface of the polishing hair provided in the form of fibers or brushes of a predetermined area, such a polishing pad or polishing When polishing a ship or concrete floor using a brush, not only the polishing force is significantly lowered, but also the polishing pad or the polishing brush, which has a very low strength, has shortened the lifespan, thus causing a heavy burden on maintenance.

Therefore, in order to solve the above problems, the present invention forms a support unit integrally under the handle unit, installs a polishing unit in front of the support unit, and integrally collects the dust collection unit to collect dust generated from the polishing unit. By forming, it is possible to smoothly polish unskilled holes in the vessel or the concrete floor surface by improving the stability of the work by making the direction change in a state that is stably supported by the support at the time of rotation and direction change of the polishing unit, polishing operation In addition to improving efficiency, dust is prevented from being scattered by the dust collector, thereby greatly improving the working environment so that the worker's health is not adversely affected even during long hours of labor. Therefore, to provide a mobile polishing device that can prevent the occurrence of environmental pollution It has been made object.

In order to achieve the above object, the present invention has a handle is formed on both sides of the top of the steering wheel, the operating lever is installed on the bottom of the handle to turn the power on / off, the speed control switch on one side An installed handle portion; The rotating shaft is horizontally rolled inside the shaft integrally formed with a fixed plate to which the lower end of the handle bar is pivotally connected, and wheels are installed at both ends of the rotating shaft, respectively, and protrude a predetermined length forward on both sides of the shaft. Supports are formed integrally with each other; A protective cover is installed at a lower portion of the main body, which is positioned between and fixed to the supports of the support part, and a motor that is rotated by an external power source is mounted inside the main body, and a polishing wheel for polishing the vessel or concrete floor on the rotating shaft of the motor. This built-up grinding | polishing part; And suction tubes communicating with the inside of the dust cover are integrally formed on both sides of the upper dust cover to prevent dust from being scattered by being wrapped around the outer circumference of the protective cover of the polishing unit, and the other end of the corrugated pipe connected to one end of the suction tube is dust. The dust collecting container is connected to a suction pump to suck in dust in the dust cover, and the dust collecting container is housed in a storage box installed in the middle of the steering wheel of the handle part while a dust collecting container in which the sucked dust is collected is mounted on the lower part of the suction pump. Characterized in that it comprises a;

In addition, a plurality of fixing holes are formed at one end of the support of the support, respectively, and the support and the polishing unit are positioned by fastening with a nut so as to be rotatable in a state in which the shaft bolt formed in the main body of the polishing unit is inserted into any one of the fixing holes. Another feature of the present invention is that even when the heights of the bottom surfaces are different from each other, the wheels are in contact with the bottom surface to support the polishing unit.

In addition, the polishing wheel of the polishing unit is fixed to the rotary plate axially formed on the rotating shaft of the motor, one or more fixing bodies provided on the bottom surface of the rotating plate, and by means of separate fastening means so that the fixing body is circular, Another feature of the present invention is to insert and fix a plurality of abrasive members in a plurality of insertion holes formed in the fixture.

As described above, by providing the mobile polishing apparatus of the present invention, the rotation of the polishing unit and the change of direction in the stable state supported by the support unit when the change of direction is made to improve the stability of the work to improve the ship or concrete floor surface Even unskilled workers can be polished smoothly, increase the efficiency of grinding work, and prevent dust from being scattered by the dust collecting part, thereby greatly improving the working environment, so as not to harm workers' health even during long hours of work. Since the dust is not discharged to the sea when polishing the bottom of the floor to prevent the occurrence of environmental pollution, the polishing force is improved by a plurality of polishing members mounted on the polishing wheel can be extended longer than the conventional brush. It is a useful invention that can reduce maintenance costs.

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

2 is a front view illustrating a polishing apparatus according to the present invention, FIG. 3 is a side view illustrating a polishing apparatus according to the present invention, and FIG. 4 shows an installation state of a handle part of the polishing apparatus according to the present invention. 5 and 6 are side views showing the operating state of the support unit of the polishing apparatus according to the present invention, FIG. 7 is a front sectional view showing the polishing unit of the polishing apparatus according to the present invention, and FIG. 8 according to the present invention. 9 is a schematic front cross-sectional view showing a dust collecting part of the polishing apparatus, FIG. 9 is a separation attempt showing a polishing wheel as a main part of the present invention, and FIG. 10 is a bottom view showing another embodiment of a polishing wheel as a main part of the present invention. 11 is a perspective view showing an abrasive member according to the present invention, FIG. 12 is a sectional view showing another embodiment of the abrasive member according to the present invention, and FIG. 13 is another embodiment of the abrasive member according to the present invention. Showing It is an illustration.

As shown, the movable polishing apparatus of the present invention includes a handle part 100, a support part 200, a polishing part 300, and a dust collecting part 400.

As shown in Figures 2 to 4 the handle portion 100 is a handle on the upper both sides of the steering wheel 110 is provided with a metal pipe having a certain length to be convenient when switching the movement and direction by operating the polishing apparatus Forming the 120 to facilitate the operation, the lower portion of the handle 120 is connected to the power supply unit (not shown) of the motor 230 is installed operating lever 130 for turning on / off the power When the handle 120 and the operating lever 130 is missed during the operation of the polishing apparatus to stop the rotation of the motor 230 to prevent the occurrence of a safety accident, and on the upper side of the adjusting table 110 What is necessary is just to form the switch 140 which adjusts the rotational speed of the motor 230 integrally.

As shown in FIGS. 5 to 6, the support part 200 is integrally installed at the lower part of the handle part 100 so as to support stable operation of the polishing part 300 and to change the direction thereof, thereby achieving stable polishing. As, the lower end of the adjusting unit 110 is located in the middle of the fixing plate 210 is rotatably fixed to the upper center of the shaft 220, the inside of the shaft 220 rolls the rotating shaft 230 On both ends of the rotary shaft 230, wheels 230 are respectively installed to facilitate the movement of the polishing apparatus, and at the same time, the polishing unit 300 supports the operation of the polishing unit 300 so that the polishing can be performed stably while changing directions. The wheel 240 becomes an axis so that the direction of the polishing unit 300 can be easily changed.

In addition, on both sides of the shaft 220, that is, on the shaft 220 between the fixing plate 210 and the wheel 240, the support 250 is formed to protrude a predetermined length forward, respectively, respectively, the support 250 A plurality of fixing holes 252 are formed at the front end of the support shaft, and the support bolts are inserted into any one of the fixing holes 252 by the axial bolts 312 installed at both sides of the main body 310 of the polishing unit 300. It is preferable to fasten 250 to the nut 314 so as to be rotatable. When the shaft bolt 312 and the nut 314 are fastened to the fixing hole 252 formed at the front end side of the fixing hole 252, When the rotation angle of the support 250 is increased, and the shaft bolt 312 and the nut 314 are fastened to the fixing hole 252 formed at the rear end side of the fixing hole 252, the rotation angle of the support 250 Will be smaller.

At this time, the lower end of the steering wheel 110 of the handle unit 100 is rotatably fixed to the lower portion of the fixing plate 210 of the support portion 200, a plurality of fastening holes 212 in the form of a buchasal in the upper portion of the fixing plate 210 Through) and a plurality of fastening holes 112 formed in the steering wheel 110 and the fixing plate 210 through the fastening holes 112 through the respective fastening holes 112 at a portion spaced apart from the lower end of the steering wheel 110 by a predetermined length. By inserting and fixing the fixing pins 214 in a state in which the fastening holes 212 of the fastening holes 212 are matched, the mounting angle of the adjuster 110 can be arbitrarily changed to suit the working environment or the body of an operator. It is desirable to be able to improve the operability of the polishing apparatus.

As shown in FIG. 7, the polishing unit 300 may form a coating or a gloss layer as a second process by polishing and removing an epoxy resin or rust to maintain flatness of a ship or concrete floor. A cylindrical body 310 having a lower opening is provided, and on both sides of the body 310, shaft bolts 312 are integrally formed to form a plurality of fixing holes 252 formed at the front end of the support 250. After passing through and inserting into one of the fixing holes 252, the support 250 may be fixed by the nut 314 so as to be rotatable about the shaft bolt 312, and the lower portion of the main body 310 The protective cover 320 is installed to increase safety, and the motor 330 driven by an external power source is mounted inside the main body 310, and the polishing wheel 340 is disposed on the rotation shaft 332 of the motor 330. You just need to build up.

In this case, as shown in FIG. 9, the polishing wheel 340 is provided with one or more rotating plates 342 arranged on the rotating shaft 332 of the motor 330 and the bottom surface of the rotating plate 342. The body 344 and the fixing body 344 are fixed by separate fastening means so as to have a circular shape, and each of the plurality of polishing members 350 in the plurality of insertion holes 346 formed in the fixing body 344. Insert and fix it.

Meanwhile, as shown in FIG. 10, 3 to 8 accelerator plates 348 having a predetermined diameter may be rotated on the rotating plate 342 of the polishing wheel 340 to accelerate the rotation speed of the motor 330. Respectively, but the plurality of polishing members 350 are respectively inserted into the insertion holes and fixed to the bottom surface of the accelerator plate 348 to fix the fixed body 344 to have a circular shape, thereby rotating the rotational speed of the rotating plate 342. If the rotational speed of the acceleration plate 348 is 1,000 ~ 2,000RPM / min when the 300 ~ 600RPM / min is to be able to greatly improve the work efficiency.

" 형태인 직사각형의 몸체(352)를 형성하되, 상기 몸체(352)의 절곡된 하부 전면에는 공업용 다이아몬드(354)를 융착시켜 연마성을 향상시키고, 연마부재(350)의 수명을 연장시켜 유지관리비를 절감할 수 있도록 함이 바람직하다.On the other hand, the polishing member 350 is cross-sectional "by processing a metal plate or synthetic resin plate excellent in strength and elasticity, as shown in FIG.

"Form a rectangular body 352 of the shape, the bent lower front of the body 352 by welding the industrial diamond 354 to improve the polishing property, and extend the life of the polishing member 350 maintenance costs It is desirable to be able to reduce the cost.

" 형태가 되도록 절곡시킨 상부체(352a)와, 단면이 "

"형태로 절곡되며, 전면에는 공업용 다이아몬드(354)를 융착시킨 하부체(352b)를 구비하되, 상기 상부체(352a)의 하단에 상기 하부체(352b)의 상단을 접지시킨 상태에서 일체로 용접하여 서로 다른 재질을 이용하여 상기 몸체(352)를 형성함으로써, 원가를 절감할 수 있도록 함이 바람직하다.In addition, the cross section of the body 352 of the polishing member 350 as shown in FIG.

&Quot; upper body 352a bent to form a cross section, "

"Bent in shape, the front side is provided with a lower body 352b fused with the industrial diamond 354, the lower end of the upper body 352a welded integrally while the upper end of the lower body 352b grounded By forming the body 352 by using different materials, it is preferable to reduce the cost.

In addition, as shown in FIG. 13, by attaching a rubber plate 356 of a predetermined thickness to the rear surface of the body 352 of the polishing member 350 to reinforce the strength and elasticity of the body 352, the body Forming a plurality of incision grooves 358 from the front middle portion of the 352 to the bottom to improve the flexibility to bend the body 352 when friction with the bottom surface to prevent damage by friction preferably Do.

As shown in FIG. 8, the dust collecting part 400 sucks dust collected by the polishing part 300 and collects dust, thereby greatly improving the working environment, thereby preventing environmental pollution and preventing environmental pollution. As the dust cover 410 having a larger diameter than the protective cover 320 of the polishing unit 300 is installed to surround the outer periphery of the protective cover 320, the upper portion of the dust cover 410 On both sides, the suction pipe 420 is integrally formed to communicate with the dust in the dust cover 410 so as to be discharged to the outside, and each end is connected to the suction pipe 420 and the other end is connected to the suction pump 440. A corrugated pipe 430 is provided, and the lower part of the suction pump 440 may be integrally fastened with the dust collecting pipe 450 where dust collected through the suction pipe 420 and the corrugated pipe 430 is collected.

At this time, the dust collecting container 450 coupled with the suction pump 440 may be accommodated in the storage container 460 installed in the middle of the steering wheel 110 of the handle part 100 to make the movement of the polishing apparatus more convenient. You can do it.

The action of the mobile polishing apparatus of the present invention having a plurality of such configurations is, first, holding the handle 120 of the handle portion 100 in a state where the polishing apparatus is located on the vessel or concrete bottom surface, the handle 120 The wheel 240 of the support part 200 becomes the central axis by applying the power to the motor 330 by pulling the operation lever 130 installed on the lower side and pressing the handle 120 with a predetermined force. In a state in which the polishing unit 300 is stably supported, the motor 330 mounted inside the main body 310 of the polishing unit 300 rotates to rotate the rotation shaft 332 in one direction, and the rotation shaft ( A plurality of polishing members 350 firmly mounted on the rotating plate 342 of the polishing wheel 340 by the fixing member 344 rotate on the bottom surface of the polishing wheel 340. Will be polished.

In this case, when the bottom surface on which the polishing wheel 340 of the polishing unit 300 is positioned is higher than the bottom surface on which the wheel 240 of the support unit 200 is located, the main body 310 is illustrated in FIG. 5. The support shaft 250 rotatably installed on both sides of the shaft bolt 312 and the nut 314 is rotated downwardly about the shaft bolt 312 so that the shaft is integrally installed at the rear end of the support member 250 ( 220 and the wheel 240 is downward, so that the wheel 240 is in contact with the bottom surface of a low height to perform a central axis function to be able to stably polish the polishing unit 300.

On the other hand, when the bottom surface on which the polishing wheel 340 of the polishing unit 300 is located is lower than the bottom surface on which the wheel 240 of the support unit 200 is located, as shown in FIG. The support shaft 250 rotatably installed on both sides of the shaft bolt 312 and the nut 314 is rotated upwardly about the shaft bolt 312 so that the shaft is integrally installed at the rear end of the support member 250 ( 220 and the wheel 240 is upward, the wheel 240 is in contact with the bottom surface of a high height to perform a central axis function to be able to stably polish the polishing unit 300, the polishing unit ( The dust generated by the 300 is collected into the dust collecting container 450 through the suction pipe 420 and the corrugated pipe 430 formed on both upper sides of the dust cover 410 by operating the suction pump 440 of the dust collecting part 400. This prevents dust from being scattered and greatly improves the working environment. Without inhibition, it is possible to protect the natural environment.

Subsequently, when changing the advancing direction of the polishing unit 300, the handle 120 of the steering wheel 110 is pulled toward the body of the worker so that the polishing unit 300 is supported by the wheels 240. At the same time lifting in the desired direction and then turning the polishing unit 300 to the bottom surface.

When the worker misses the handle 120 in the process of repeatedly performing such a polishing operation, the operation lever 130 is lowered to turn off the power applied to the motor 330 to turn off the motor 330 and the polishing wheel. The rotation of the 340 can be stopped to prevent the occurrence of a safety accident in advance.

On the other hand, in order to increase the efficiency of the polishing operation is installed on the bottom of the rotary plate 342 of the polishing wheel 340 rotatably three to eight acceleration plates 348, the acceleration plate 348 a plurality of polishing members ( 350 is fixed by inserting and fixing the fixed body 344 to the insertion hole 346 in a circular, assuming that the rotational speed of the rotating plate 342 is 300 ~ 600RPM per minute of the acceleration plate 348 The rotation speed is 1,000 ~ 2,000 RPM per minute will be able to greatly improve the work efficiency.

That is, the diameter of the acceleration plate 348 is formed to be at least 3 to 8 times smaller than the diameter of the rotating plate 342, and a plurality of polishing members 350 are inserted and fixed to the bottom of each of the fixed bodies 344 in a circular shape. By fixing the rotation plate, when the rotating plate 342 is rotated once, the acceleration plate 348 rotates 3 to 5 to increase the number of times of friction with the ship or concrete floor surface to be able to perform polishing in a short time. .

"형태로 형성되며, 절곡된 하부에는 공업용 다이아몬드(354)를 융착시켜 제공함에 따라 종래의 연마석이나 연마 브러시보다 마찰력이 우수하여 연마력 및 생산성을 높일 수 있도록 하며, 상기 몸체(352)의 배면에 일정 두께의 고무판(354)을 접착시켜 강도 및 탄성을 보강하고, 상기 몸체(352)의 전면 중간 부분에서부터 하부까지 다수의 절개홈(356)을 형성함으로써 바닥면과의 마찰시 연마부재(350)의 하부가 유연하게 휘도록 하여 파손을 방지하여 연마부재(350)의 수명을 장구히 연장시켜 유지관리비를 절감할 수 있게 되는 것이다.In addition, the polishing member 350 installed on the rotating plate 342 or the acceleration plate 348 forms a body 352 by processing a metal plate or a synthetic resin plate having excellent strength and elasticity into a rectangular or rhombus shape, but the whole body ( Side section of 352)

"Formed in the form, the lower portion of the bent by providing the industrial diamond 354 by fusion and friction than the conventional abrasive stone or polishing brush to improve the polishing force and productivity, and constant on the back of the body 352 By reinforcing strength and elasticity by adhering the rubber plate 354 having a thickness, and forming a plurality of cutout grooves 356 from the front middle part of the body 352 to the lower part of the polishing member 350 during friction with the bottom surface. By lowering the flexible flex to prevent breakage, it is possible to extend the life of the polishing member 350 to reduce the maintenance cost.

Although the above description has been shown only for the preferred embodiments of the present invention and described with a few limitations, it is not limited only to this, as well as changes in the combination and optional addition of many functions of the present invention described above, Those skilled in the art to which the present invention pertains can understand that the technical spirit provided by the claims of the present invention described below and various modifications can be made in the equivalent range. will be.

1 is an exemplary view showing a conventional polishing apparatus.

Figure 2 is an exemplary front view of the polishing apparatus according to the present invention.

Figure 3 is an exemplary side view of the polishing apparatus according to the present invention.

Figure 4 is a side view showing the installation state of the handle portion of the polishing apparatus according to the present invention.

5 and 6 are side views showing the operating state of the support of the polishing apparatus according to the present invention.

7 is a cross-sectional view showing a polishing portion of the polishing apparatus according to the present invention.

Figure 8 is a schematic front cross-sectional view showing a dust collecting part of the polishing apparatus according to the present invention.

Figure 9 is an exploded perspective view showing a polishing wheel which is a main part of the present invention.

Figure 10 is a bottom view showing another embodiment of the abrasive wheel which is the main part of the present invention.

11 is a perspective view showing a polishing member according to the present invention.

12 is a cross-sectional view showing another embodiment of an abrasive member according to the present invention.

Figure 13 is an exemplary view showing another embodiment of the polishing member according to the present invention.

      *** Description of the symbols for the main parts of the drawings ***

  100: handle portion 110: steering wheel 120: handle

  130: operating lever 140: switch 200: support

  210: fixed plate 220: shaft 230: rotation axis

  240: wheel 250: support 300: grinding unit

  310: main body 320: protective cover 330: motor

  332: rotating shaft 340: polishing wheel 342: rotating plate

  344: fixed body 346: insertion hole 348: acceleration plate

  350: abrasive member 352: body 400: dust collecting part

  410: dust cover 420: suction pipe 430: corrugated pipe

  440: suction pump 450: dust collecting container 460: storage container

Claims (8)

In the polishing device for polishing the surface of the ship or concrete, Handles 120 are formed on both sides of the upper control panel 110, the operation lever 130 for turning on / off the power is installed at the lower portion of the handle 120, the switch 140 for controlling the speed Handle portion 100 is installed on one side; The rotating shaft 230 is rolled out inside the shaft 220 in which the fixing plate 210 to which the lower end of the steering wheel 110 of the handle part 100 is rotatably connected is moved, and both ends of the rotating shaft 230 are moved. Wheels 240 are respectively installed to enable this, and both sides of the shaft 230 and the support portion 200 is formed integrally with the support 250 to protrude a predetermined length forward; Positioned between the support members 250 of the support part 200, the protective cover 320 is installed in the lower portion of the main body 310 is fixed, the motor 330 is rotated by an external power source inside the main body 310 Is mounted, the rotating shaft 332 of the motor 330, the polishing unit 300, the polishing wheel 340 is arranged to polish the ship or concrete floor; And The suction pipe 420 which is in communication with the inside of the dust cover 410 is integrally formed on both upper sides of the dust cover 410, which is fastened to surround the outer circumference of the protective cover 320 of the polishing unit 300 to prevent dust from scattering. The other end of the corrugated pipe 430, one end of which is connected to the suction pipe 420, is connected to a suction pump 440 that sucks the dust to suck in the dust in the dust cover 410, and the dust collecting container where the sucked dust is collected A dust collecting part (450) is formed by storing the dust collecting container (450) in a storage container (460) installed at a middle portion of the steering wheel (110) of the handle part (100) in a state in which the suction pump (440) is mounted below the suction pump (440). 400); mobile polishing apparatus comprising a. According to claim 1, Wherein one end of the support (250) of the support portion 200 to form a plurality of fixing holes 252, the main body 310 of the polishing unit 300 in any one fixing hole 252 When the shaft bolts 312 formed in the fasteners are rotatably fastened with nuts 314, the heights of the bottom surfaces on which the support part 200 and the polishing part 300 are located are different from each other. Mobile polishing apparatus, characterized in that to always be in contact with the bottom surface to support the polishing unit (300). According to claim 1, wherein the polishing wheel 340 of the polishing unit 300 is provided with one or more on the rotary plate 340 and the bottom surface of the rotary plate 340 is arranged on the rotating shaft of the motor 330 The body 344 and the fixing body 344 are fixed by separate fastening means so as to have a circular shape, and the plurality of polishing members 350 are inserted into the plurality of insertion holes 346 formed in the fixing body 344. Mobile abrasive device characterized in that the fixed. According to claim 1, The lower end of the steering wheel 110 of the handle unit 100 is rotatably fixed to the lower portion of the fixing plate 210 of the support portion 200, the upper portion of the fixing plate 210 in the form of a secondary chatsal Through the fastening hole 212, through the fastening hole 112 in the portion spaced apart from the lower end of the control panel 110 by a predetermined length, respectively, the fastening hole 112 and the fixed plate 210 formed on the control panel 110 Mobile polishing apparatus, characterized in that the fixing pin 214 is inserted and fixed in a state in which any one of the fastening holes (212) of the plurality of fastening holes (212) formed to match. According to claim 1 or 3, wherein the rotating plate 342 of the polishing wheel 340 is provided with three to eight acceleration plates 348 having a predetermined diameter rotatably, respectively, of the acceleration plate 348 A mobile polishing apparatus, characterized in that a plurality of polishing members 350 are inserted into the insertion holes 346 at the bottom thereof and fixed to the fixed fixture 344 to have a circular shape. The method of claim 1 or 3, wherein the polishing member 350 is cross-sectional "by processing a metal plate or a synthetic resin plate excellent in strength and elasticity"

"Form a rectangular body 352 of the shape, the bent lower front of the body 352 by welding the industrial diamond 354 to improve the polishing property, and extend the life of the polishing member 350 maintenance costs Mobile polishing device, characterized in that to reduce the. According to claim 1 or 3, wherein the body 352 of the polishing member 350 has a cross-section "

&Quot; upper body 352a bent to form a cross section, "

"Bent in shape, the front side is provided with a lower body 352b fused with the industrial diamond 354, the lower end of the upper body 352a welded integrally while the upper end of the lower body 352b grounded Mobile polishing device, characterized in that to form the body 352 by using different materials. According to claim 1 or 3, wherein the rubber plate 356 of a predetermined thickness to the back of the body 352 of the polishing member 350 to reinforce the strength and elasticity of the body 352, A plurality of cutting grooves 358 are formed from the front middle portion of the body 352 to the bottom to improve flexibility of the body 352 to bend when friction with the bottom surface.

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