KR20210044023A - Apparatus for Removing Paint - Google Patents

Abstract

The present invention relates to a paint removal device capable of removing paint such as a lane painted on a road, and specifically comprises: a self-propelled or carrier type moving unit, a storage unit mounted inside or outside the moving unit, a removal unit connected to the storage unit and removal paint, and an adjustment unit connecting the removal unit and the moving unit, and adjusting the position of the removal unit.

Description

Paint removal device{Apparatus for Removing Paint}

The present invention relates to a paint removal device capable of removing paint such as a lane painted on a road.

Patent Document 001 controls the movement of the paint removal unit while transmitting the applied external force to the pusher support, and through a gas line installed along the longitudinal direction of the outer side and a control unit that controls the amount of gas that can be provided from the outside. The outer side of the pusher holding stand and one end that receives gas from the operation unit and provides it to the heating torch and transmits the external force transmitted through the operation unit to the paint removal unit is fixed or rotatably installed at the lower end of the pusher holding unit. As a result, the inside of one end is coupled to be in communication with the gas line, igniting the gas provided from the gas line to melt the paint for line marking formed on the top of the asphalt concrete pavement, and the heating torch at the front. A technology including the paint removal unit is provided for removing the paint through friction between the bottom surface and the paint while the end is seated and transmits the transmitted external force to the paint.

Patent document 002 discloses that a lane removal and vehicle excavation device includes a frame having a vehicle body, a head that is raised and lowered by an elevating means on the frame, a rotor having a bit installed on the head to excavate in a lane width, and the head A driving unit installed in the unit to drive the rotor, a suction unit installed in the frame or head unit for suctioning chips generated while excavating the road to a predetermined depth by the rotor, and a high pressure applied to the excavated area. And a foreign substance removing means for removing foreign substances by spraying, and the lane painting apparatus for achieving the above object includes a frame having a vehicle body, a head part that is raised and lowered by an elevating means on the frame, and a lane installed on the head part. A rotor having a bit to excavate in width, a driving part installed on the head to drive the rotor, and a driving part installed on the frame or head to suck the chips generated while excavating the road to a predetermined depth by the rotor A lane removal and vehicle-seat excavation device including suction means for removing foreign matters by spraying high pressure on the excavated area and a lane removal and vehicle seat excavation device, and a lane installed in the frame to provide a lane to the excavation or the area from which the lane is removed. A technology provided with a lane coating device including a lane coating nozzle for application is proposed.

Patent Document 003 is a first cutting portion having a body formed to be movable along a lane of a road, and a first cutting tool disposed under the body and formed to remove the lane while cutting the road surface of the road, A second cutting part provided with a second cutting tool spaced apart from the first cutting part and disposed on the main body side, and configured to cut the road surface of the road cut by the first cutting part in a state of being trimmed, and the When the first cutting unit or the second cutting unit is operated, a dust suppression unit having nozzles formed to suppress the generation of dust while supplying water to the road surface of the road and the road when the first cutting unit or the second cutting unit is operated A technology including a foreign material removal unit having a suction pipe formed to remove cutting foreign substances generated on the road surface of the vehicle by suction power is proposed.

Patent Document 004 relates to a device for removing indications such as lanes or signals displayed on a road surface of a road, and specifically, a bogie unit configured to be driven using the power of an installed engine; A lane removal unit installed under the bogie unit, which is in close contact with the road surface through lifting and lowering, and is connected to the power of the engine to remove the lane while rotating the grinder; And a suction unit installed on the bogie unit, which is connected to the power of the engine and rotates the blower to suck and filter the dust generated around the grinder; thus, movement and operation are convenient and a work environment A technology including this improved movable road marking removal device is proposed.

KR 20-0447399 Y1 (January 13, 2010) KR 10-2010-0130891 A (December 14, 2010) KR 10-2015-0007147 A (January 20, 2015) KR 20-2012-0001163 U (February 21, 2012)

The present invention relates to a paint removal device capable of removing paint such as a lane painted on a road.

In order to solve the problems of the conventional inventions, the present invention is a self-propelled or carrier-type moving unit 100;, a storage unit 200 mounted inside or outside the moving unit 100;, in the storage unit 200 It is connected, the removal unit 300 for removing the paint 10; Consists of a configuration including; an adjustment unit 400 that connects the removal unit 300 and the moving unit 100 and adjusts the position of the removal unit 300.

The present invention is an invention for a paint removal device, and the storage unit 200 in the invention consisting of a moving unit 100;, a storage unit 200;, a removal unit 300;, an adjustment unit 400; ) A supply device 210 formed inside and supplying water to the removal unit 300; A collection device 220 for sucking the paint 10 debris removed from the removal unit 300 is added.

The present invention is an invention for a paint removal device, and the removal unit 300 in the invention consisting of a moving unit 100;, a storage unit 200;, a removal unit 300;, an adjustment unit 400; ) Is a case 310 formed at the lower end and one side of the moving part 100;, an injection device 340 formed inside the case 310 and spraying water at high pressure; A suction device 350 which is formed on the rear surface of the spray device 340 and sucks water and paint 10 debris; is added.

The present invention is an invention for a paint removal device, and the above-described moving unit 100;, storage unit 200;, removal unit 300;, adjusting unit 400; in the invention consisting of the adjusting unit 400 ) Is a height adjustment unit 410 for adjusting the height of the removal unit 300;, a position adjustment unit that is coupled to the front surface of the height adjustment unit 410 and horizontally adjusts the position of the removal unit 300 (420); is added.

In the present invention, water is sprayed at high pressure to remove paint, and paint residues can be sucked and removed.

In the present invention, the paint can be diluted by spraying hot steam onto the paint.

According to the present invention, as sand is sprayed on the paint, the paint painted on the road can be removed by a blow.

In the present invention, only the paint can be removed by adjusting the height and position of the removal unit according to the lane.

The present invention may remove at least one lane by detecting the paint and adjusting the position of the removal unit.

1 is a perspective view of a paint removal device of the present invention.
2 to 3 are cross-sectional views showing the storage unit of the present invention.
Figure 4 is a cross-sectional view of the removal of the present invention.
Figure 5 is a flow chart of the removal unit shown in Figure 4;
6 is a cross-sectional view showing a moving device and a rotating device of the present invention.
Figure 7 is a perspective view showing the control unit of the present invention.
8 is a cross-sectional view of a paint removal device provided with a plurality of removal units of the present invention.

Hereinafter, in order to describe in detail enough that a person of ordinary skill in the art can easily implement the present invention, the most preferred embodiment of the present invention will be described in detail.

The numbers cited in the following examples are not limited only to the object of reference, and may be applied to all examples. Objects that exhibit the same purpose and effect as the configuration presented in the examples correspond to equivalent substitutional objects. The upper concept presented in the examples includes the object of the lower concept that is not described.

(Embodiment 1-1) The present invention is a paint removal apparatus, a self-propelled or carrier type moving unit 100;, a storage unit 200 mounted inside or outside the moving unit 100;, the storage unit ( A removal unit 300 connected to 200 and removing the paint 10; And an adjustment unit 400 that connects the removal unit 300 and the moving unit 100 and adjusts the position of the removal unit 300.

(Example 1-2) The road dust removal apparatus of the present invention in Example 1-1, wherein the removal unit 300 is installed at the lower end of the moving unit 100 close to the road; includes. .

(Example 1-3) In the bath vehicle of the present invention in Example 1-2, the removal unit 300 removes the paint 10 according to the movement of the moving unit 100; includes. .

The present invention relates to a paint removal device and specifically removes the paint 10 from the road such as lanes, direction signs, and guide doors. The paint removal apparatus of the present invention needs to remove the paint 10 such as the existing lane in order to newly proceed with the paint 10 in order to change lanes and roads. To this end, the paint 10 may be removed by spraying hot water and a diluent at high pressure. At this time, the paint 10 remains attached to the road when the temperature decreases, so it is sucked and removed. Such a paint removal device removes the paint 10, and the moving part 100 is formed by suction. The moving unit 100 may be formed as a freight car, a modified bus, or the like, and may drive the road by mounting the storage unit 200 on the rear side in a carrier type. And a storage unit 200 is formed in the rear luggage compartment of the moving unit 100. The storage unit 200 includes a plurality of devices that heat water to a high temperature by power and inject it at high pressure at the same time, and the sucked paint 10 may be stored. In addition, the removal unit 300 is changed in position by the adjusting unit 400, and the paint 10 is made by a suction pipe 351 that passes through the moving unit 100 or extends to the lower and side surfaces of the moving unit 100. Remove by inhaling at the same time as removing. This removal unit 300 is installed at the front, rear, and bottom of the moving unit 100. In addition, the removal unit 300 is formed close to the road and is formed so as not to contact the road to remove the paint 10.

(Embodiment 1-4) In Embodiment 1-1, the road dust removal apparatus of the present invention includes a vehicle power supply unit connected to the battery or generator of the moving unit 100 and supplying power to the dust collecting unit. do.

(Embodiment 1-5) In Embodiment 1-4, the bath vehicle of the present invention includes a vehicle rotation power unit that supplies engine rotation power of the moving unit 100 to the dust collecting unit.

The storage unit 200 of the present invention requires power. Power is power, or physical rotational force may be required. For example, the storage unit 200 may be used for a pump that increases the pressure of water, or may be used for the purpose of operating devices inside the storage unit 200. The physical rotational force drives the pump of the moving unit 100 to secure power to remove dust.

(Example 2-1) The present invention relates to a paint removal device, and in Example 1-1, a supply device formed in the storage unit 200 and supplying water to the removal unit 300 ( 210); It includes; a collection device 220 for collecting the paint 10 debris removed from the removal unit 300.

(Embodiment 2-2) In Embodiment 2-1, the paint removal device of the present invention includes a water tank 211 in which water is stored; and the removal part in the water tank 211 And a moving pipe 212 through which water moves to 300; a supply pump 213 formed in the moving pipe 212 and supplying water by power.

(Embodiment 2-3) In the embodiment 2-2, the paint removal apparatus of the present invention includes: the water tank 211 is formed by vacuum.

(Embodiment 2-4) In Embodiment 2-1, the paint removal device of the present invention includes a suction pump 221 for sucking water and paint 10, and paint 10. And a filtration filter 222 for filtering the debris from the removed water and paint 10, and a discharge device 223 for discharging the air penetrating through the filtration filter 222.

(Example 2-5) The paint removal apparatus of the present invention in Example 2-4, wherein the filtration filter 222 includes a circulation device 224 for circulating the filtered water to the water tank 211; do.

The present invention relates to the storage unit 200, specifically coupled to the rear of the moving unit 100, and sucks water and paint 10 debris sprayed from the removal unit 300 to remove the paint 10 The supply device 210 and the collection device 220 are accommodated. The storage unit 200 stores a supply device 210 in which water is stored and sprayed at a high pressure, and a collection device 220 for collecting the paint 10 debris. This supply device 210 is formed in the storage unit 200, a water tank 211 in which a diluent for diluting water or paint 10 is stored, and a moving pipe 212 through which water moves from the water tank 211 Is formed. In addition, the supply device 210 is supplied with water by the supply pump 213, thereby increasing the pressure of the water tank 211 or installing the supply pump 213 in the moving pipe 212 to supply water. In addition, the supply pump 213 controls the water pressure at which water is sprayed by adjusting the pressure of the water. In addition, the water tank 211 is formed in a vacuum to increase the pressure of the water tank 211 as air is supplied to adjust the water pressure of the water. The collection device 220 is formed with a suction pump 221 that sucks air and paint 10 debris, and the suction pump 221 is driven by power by the moving unit 100 and a generator. In addition, the suction pump 221 is formed in the storage unit 200 and generates a suction force through a transfer pipe connected to the suction unit. The transfer pipe connects the suction pump 221, the filtration filter 222, and the discharge device 223 to the removal unit 300, and as air is sucked, the transferred paint 10 residue and water are transferred. In addition, the paint 10 is stored after being filtered by the filtration filter 222, and the air passing through the filtration device is discharged through a discharge device 223 connected to the outside. In the discharge device 223, at least one blower is formed, and the blower allows the air from which the dust transferred by the suction pump 221 is filtered to be discharged smoothly. In addition, the water filtered together with the dust is drained by the drainage device, and the drainage device is formed at the bottom of the filter filter 222, so that the water from which the paint residues are filtered can descend from the filter filter 222. . In addition, the drainage device is provided with a circulation device 224 so that the purified water is circulated to the water tank 211. In addition, the circulation device 224 is further provided with a cooling device 225 to cool hot water and supply it to the water tank 211.

Accordingly, the storage unit 200 of the present invention accommodates a supply device 210 to which water is supplied and a collection device 220 for sucking water and paint 10 residues by power.

(Example 2-6) In Example 2-1, the paint removal apparatus of the present invention includes a heating device 230 for heating water stored in the moving pipe 212 and the water tank 211.

The present invention relates to a heating device 230, and specifically, the heating device 230 is installed in the water tank 211 and the moving pipe 212 to which water is supplied to soak the paint 10 with high temperature water. The heating device 230 of the present invention is formed of a heating wire or the like, and is formed in the moving pipe 212 to prevent the temperature of the water from being lowered through the moving pipe 212 while heating the water in the water tank 211. In addition, the location of the heating device 230 is formed inside and outside the storage unit 200 and is not limited thereto. In addition, the heating device 230 is to heat water by the power of the moving unit 100. In this way, the water heated by the heating device 230 is sprayed from the removal unit 300. The paint 10 is generally formed of paint, and the paint is decomposed by high pressure steam and water.

Accordingly, the heating device 230 heats water in order to decompose and remove the paint 10.

(Embodiment 3-1) The present invention relates to a paint removal device, and in Embodiment 2-1, the removal unit 300 includes a case 310 formed at the lower end and one side of the moving unit 100; , An injection device 340 formed inside the case 310 and spraying water at high pressure; It is formed on the rear surface of the injection device 340, and includes a suction device 350 for sucking water and paint (10) debris.

(Example 3-2) In Example 3-1, the paint removal device of the present invention includes an assembly 320 coupled to the adjustment unit 400 in the case 310; the lower end of the assembly 320 It is formed in, and includes; a receptor 330 in which the injection device 340 and the suction device 350 are accommodated.

(Example 3-3) The paint removal apparatus of the present invention in Example 3-2, wherein the assembly 320 is a measurement sensor 321 for measuring the position of the paint 10;, to identify the paint 10 It includes; lighting device to do.

The present invention relates to the removal unit 300, and specifically, the removal unit 300 removes the paint 10 while being close to the ground such as a road and at the same time removes the paint 10 debris. The removal unit 300 of the present invention is formed at the front and rear or the bottom of the moving unit 100, and the case 310 is formed so that the injection device 340 and the suction device 350 are accommodated in the case 310 do. Such a case 310 is formed at the lower end of the combination 320 and the combination 320, the position of which is variable by the adjustment unit 400 connected to the moving unit 100, the injection device 340 and the suction device 350 A receptor 330 is formed in which is received. In addition, as the position of the assembly 320 is variable by the adjustment unit 400 to be described later, a through hole 322 through which the adjustment unit 400 passes is formed. In addition, the assembly 320 passes through the moving pipe 212 and the suction pipe 351 extending from the storage unit 200 and is transmitted to the injection device 340 and the suction device 350. The receptor 330 formed at the lower end of the conjugate 320 is formed larger than the conjugate 320, and the lower end is opened to prevent separation to the outside when the paint 10 debris is removed. At this time, a measurement sensor 321 and an illumination device are formed outside the assembly 320 and the receptor 330, and this is to measure the paint 10 and automatically change the position through the adjustment unit 400. The injection device 340 removes the solidified paint 10 by spraying high temperature and high pressure water to remove the paint 10. In addition, the suction device 350 sucks the residue of the paint 10 pulverized by the injection device 340, and the injection device 340 and the suction device 350 are sequentially disposed.

Therefore, the removal unit 300 pulverizes the paint 10 by spraying high-pressure water from the spraying device 340 accommodated in the case 310 formed to be close to the paint 10, and pulverizes the pulverized paint ( 10) The debris is sucked and delivered to the storage unit 200.

(Embodiment 3-4) According to the embodiment 3-1, the paint removal device of the present invention comprises: a steam spray device 341 formed on the front surface of the spray device 340 and sprays hot steam and water; And a brush 342 formed on the rear surface of the suction device 350 and for guiding the remnants of the paint 10 that are not sucked into the suction device 350.

(Example 3-5) The paint removal device of the present invention in Example 3-4, wherein the case 310 is formed in plural, and installed at a selected position among the front, the lower, and the rear of the moving part 100 To become; includes.

(Embodiment 3-6) The paint removal apparatus of the present invention in Embodiment 3-5, wherein each of the cases 310 is provided with the injection device 340 and the suction device 350, respectively; Includes.

The present invention relates to the removal unit 300, specifically to remove the paint 10 by making the state of the paint flexible by spraying steam in order to effectively remove the paint 10. In the removal unit 300 of the present invention, a steam injection device 341 is formed in front of the injection device 340, and the steam injection device 341 generates steam by heating water supplied from the storage unit 200. Spray. At this time, water is classified into the steam spray device 341 and the spray device 340 and is ejected. The spray device 340 has a high water pressure so that the paint 10 is directly pulverized, and the steam spray device 341 is used for the paint. High-temperature water is sprayed to facilitate the pulverization of (10). The brush 342 is formed on the rear surface of the suction device 350, and as it rotates in a direction different from the traveling direction of the moving part 100, the remnants of the paint 10 that are not sucked by the suction device 350 are re-suction device 350). As such, the removal unit 300 is formed in a plurality of configurations, and each of the configurations is formed in one case 310 or accommodated in a plurality of cases 310 to sequentially remove the paint 10. In detail, the case 310 with a vapor spraying device 341 for measuring the position of the paint 10 and injecting high-temperature steam onto the paint 10 is formed on the front surface of the moving part 100 And, the case 310 provided with the spraying device 340 for pulverizing the paint 10 is formed at the lower end of the moving part 100. At this time, forming a wide gap between the steam spraying device 341 and the spraying device 340 is to completely dilute the paint 10 with hot water. In addition, the case 310 provided with the suction device 350 and the brush 342 is located at the rear of the case 310 provided with the injection device 340 in order to suck the pulverized paint 10 residue.

Accordingly, the removal unit 300 is to remove the paint 10 by pulverizing it with high-pressure water after diluting it with high-temperature water to remove the paint 10 smoothly.

(Embodiment 3-7) In Embodiment 3-1, the paint removal device of the present invention includes: spraying the sand stored in the storage unit 200 at high pressure in the spraying device 340.

(Embodiment 3-8) In Embodiment 3-7, the paint removal device of the present invention includes a moving device 343 that moves horizontally and removes the paint 10. .

(Embodiment 3-9) In Embodiment 3-8, the paint removal device of the present invention includes a rotating device 344 for rotating the spraying device 340 and removing the paint 10.

The present invention relates to an injection device 340, and specifically, to remove by striking the paint 10 diluted by steam. The spraying device 340 removes the paint 10 by spraying the sand stored in the storage unit 200 with air pressure. In this spraying device 340, sand is sprayed at high pressure to remove the paint 10 diluted from the road by spraying steam and high pressure water by the steam spraying device 341. The sand is formed of fine-sized sand, and the spraying range is adjusted to remove only the paint 10 without damaging the road. In this way, a moving device 343 is formed to adjust the sand spraying range, and the moving device 343 moves according to the width of the lane and the width of the letter formed by painting the paint 10. At this time, the moving device 343 moves horizontally, and removes the paint 10 as it removes the paint 10 or rotates at a certain radius. The injection device 340 has a plurality of spray nozzles 345 through which sand is sprayed, and the plurality of spray nozzles 345 sprays sand as it rotates by a hinge. This is to repeatedly spray sand as the plurality of spray nozzles 345 rotate and remove the paint 10.

Accordingly, the injection device 340 is to remove the paint 10 diluted by steam by spraying water at high pressure or sand at high pressure.

(Embodiment 4-1) The present invention relates to a paint removal apparatus, and in Embodiment 3-1, the adjustment unit 400 includes a height adjustment unit 410 for adjusting the height of the removal unit 300; , It is coupled to the front surface of the height adjustment unit 410, a position adjustment unit 420 for horizontally adjusting the position of the removal unit 300; includes.

(Example 4-2) In Example 4-1, the paint removal device of the present invention is connected to the moving part 100 and the removal part 300 by a hinge. And a bar 411;, a height adjustment device 412 that adjusts the height of the connection bar 411 and is coupled to the moving part 100.

(Embodiment 4-3) In Embodiment 4-1, the road dust removal apparatus of the present invention includes a control chain that controls the height of the connection bar 411.

The present invention relates to the adjustment unit 400, and specifically adjusts the height of the control unit so that the removal unit 300, which does not remove the paint 10, rises on the road. The adjustment unit 400 of the present invention includes a height adjustment unit 410 for adjusting the height of the removal unit 300 and a position adjustment unit 420 for horizontally adjusting the position of the removal unit 300 to coincide with the lane do. The height adjustment unit 410 is connected to the rear surface of the moving unit 100 and raises the removal unit 300 by a height adjustment device 412 formed as a cylinder. In addition, the height adjustment unit 410 is formed with a connection bar 411 connected to the moving unit 100 and the removal unit 300 by a hinge. The connection bar 411 is formed in various shapes and is formed in plural. And as the connection bar 411 is connected to the height adjustment device 412, when the connection bar 411 is raised by the height adjustment device 412, the removal unit 300 rises. In this case, a control chain is formed in order to prevent the controller from descending when an operation error of the height adjustment device 412 or an impact occurs during the operation of the moving unit 100. The length of the control chain is adjusted so that it does not come into contact with the road surface after the removal part 300 descends, and ends are connected to the connection bar 411 and the moving part 100, respectively.

Therefore, the adjusting part 400 of the present invention effectively removes the paint 10 by forming the height adjusting part 410 and the position adjusting part 420 so that the distance with the road is adjusted, and It has a feature that can prevent damage to the removal unit 300 during operation.

(Example 4-4) The road dust removal apparatus of the present invention is a position formed on the front surface of the height adjustment part 410 in Example 3-2 or Example 4-1. A control bar 421;, a control device 422 formed at the center of the position control bar 421 and for controlling the position of the case 310;

(Embodiment 4-5) In the embodiment 4-1, the road dust removal apparatus of the present invention includes: a through hole 322 through which the position control bar 421 passes; It includes; a coupling groove to which the end of the control device 422 is coupled.

The present invention relates to the position control unit 420, and specifically passes through the assembly 320 of the case 310, the position of the case 310 is moved to the lane by the measurement sensor 321. The position adjusting part 420 of the present invention is formed on the front surface of the height adjusting part 410, and a plurality of position adjusting bars 421 are formed. The position control bar 421 is preferably formed in a circular tube, and is formed by penetrating through the through hole 322 of the assembly 320. And the position control bar 421 is formed on both sides of the control device 422, the control device 422 is formed of a cylinder. The end of the cylinder is fixed to the assembly 320 so that the removal unit 300 through which the position control bar 421 is passed moves horizontally as the control device 422 is driven. At this time, the coupling body 320 is a coupling groove is formed, the control device 422 is fixed to the coupling groove.

In addition, in another embodiment, the position control unit 420 may be formed of a rack gear or a conveyor belt to move horizontally in the position control bar 421.

10: paint 100: moving part
200: storage unit 210: supply device
211: water tank 212: moving pipe
213: supply pump 220: collection device
221: suction pump 222: filtration filter
223: discharge device 224: circulation device
225: cooling device 230: heating device
300: removal unit 310: case
320: assembly 321: measurement sensor
322: through hole 330: receptor
340: injector 341: steam injector
342: brush 343: moving device
344: rotating device 345: spray nozzle
350: suction device 351: suction pipe
400: adjustment unit 410: height adjustment unit
411: connection bar 412: height adjustment device
420: position control unit 421: position control bar
422: control device

Claims (4)

Self-propelled or carrier-type moving unit 100;,
A storage unit 200 mounted inside or outside the moving unit 100;,
A removal unit 300 connected to the storage unit 200 to remove the paint 10;
A paint removal apparatus comprising: an adjustment part 400 connecting the removal part 300 and the moving part 100 and adjusting the position of the removal part 300.
The method according to claim 1,
A supply device 210 formed inside the storage unit 200 and supplying water to the removal unit 300;
Paint removal device comprising a; a collection device 220 for collecting the paint (10) debris removed from the removal unit (300).
The method according to claim 2,
The removal part 300 is a case 310 formed at the lower end and one side of the moving part 100;,
An injection device 340 formed inside the case 310 and spraying water at high pressure;
A paint removal device including a suction device 350 formed on the rear surface of the spray device 340 and sucks water and paint 10.
The method of claim 3,
The adjustment unit 400 is a height adjustment unit 410 for adjusting the height of the removal unit 300;,
A paint removal device comprising a; a position adjustment unit 420 coupled to the front surface of the height adjustment unit 410 and horizontally adjusting the position of the removal unit 300.

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