CN115837614A

CN115837614A - Concrete polishing device and using method thereof

Info

Publication number: CN115837614A
Application number: CN202211662696.5A
Authority: CN
Inventors: 田鑫洋; 刘选选; 宣波; 万伟
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-03-24

Abstract

The invention discloses a concrete polishing device which comprises a polishing mechanism, a noise reduction mechanism, a dust collection mechanism and a garbage storage barrel, wherein the noise reduction mechanism is arranged at the front end of the polishing mechanism, the polishing mechanism is communicated with the dust collection mechanism through a guide pipe, the garbage storage barrel is placed in the dust collection mechanism, the dust collection mechanism sucks dust generated in the polishing process, and the dust generated in the polishing process is conveyed into the garbage storage barrel through the guide pipe to be stacked in a concentrated mode. In order to overcome the problems of various pollution, harm to human health and the like generated when a concrete structure is repaired and polished in the prior art, the invention provides the dust-removing noise-reducing concrete polishing device, which can reduce noise and dust pollution when the concrete structure is polished and greatly protect the human health of constructors. The invention also provides a using method of the concrete polishing device.

Description

Concrete polishing device and using method thereof

Technical Field

The invention belongs to the technical field of mechanical equipment, and particularly relates to a concrete polishing device and a using method thereof.

Background

At present, the building field of China is in a high-speed development stage, and various concrete buildings break through new heights continuously. Compared with steel structures and brick-concrete structures, the concrete structure has various advantages, which are shown in the following aspects: the materials are easy to obtain, the sand and the stone used by the concrete are generally easy to obtain local materials, and in addition, industrial wastes such as slag, coal ash and the like can be effectively utilized; the reinforced concrete structure reasonably exerts the performances of two materials of the steel bar and the concrete, and compared with a steel structure, the cost can be reduced; the durable and compact concrete has higher strength, and simultaneously, because the steel bars are wrapped by the concrete, the steel bars are not easy to rust, and the maintenance cost is low, the durability of the reinforced concrete structure is better; the concrete is wrapped outside the steel bars, so that the steel bars can not reach the softening temperature quickly in case of fire to cause the overall damage of the structure. Compared with an exposed wood structure and a steel structure, the fireproof performance is good; moldability reinforced concrete structures of various shapes and sizes can be relatively easily cast, as desired.

Therefore, concrete is widely applied in the field of construction, but some common quality problems, such as concrete slab staggering, formwork expansion and the like, inevitably occur in the concrete construction process. This necessitates repair grinding after the construction of the building is completed, which is undoubtedly a complex and highly polluting task. The common operation is that constructor will need the position of polishing to mark, and handheld polisher is worn air filter and is polished the position such as wrong platform, the mould that rises between the floor, can produce harsh noise and a large amount of raise dusts in the process of polishing, and long-term work under this kind of environment can produce serious harm to organs such as constructor's lung, respiratory track. The traditional polishing mode not only causes serious pollution to the environment and greatly harms the life health of constructors, but also ensures the construction cost of the project and the health of the constructors by one dust removal, noise reduction and high-efficiency environment protection measure.

The patent numbers disclosed by 2022-05-31 are found by searching: CN 202122333449's chinese utility model patent discloses a concrete grinding device, the power distribution box comprises a box body, the equal fixed mounting in top left and right sides of box has the support column, left side the top fixed mounting of support column has one end and right side support column top fixed connection's crossbeam, the bottom fixed mounting of crossbeam has the slide rail that is located between two support columns. This concrete grinding device, through setting up electric putter, electric putter drives the pinion rack and removes, the pinion rack makes the gear revolve of meshing, the meshing gear drives the threaded rod and rotates the thread bush that causes the outside and reciprocate, it reciprocates to drive the second connecting rod under the support of second slider, make second connecting rod and briquetting reciprocate simultaneously, adjust the interval between briquetting and the workstation, thereby it is spacing to fix not unidimensional muddy earth material, the convenient purpose of carrying out automatic chucking to concrete material is realized. The above technical problems cannot be solved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the concrete polishing device which is simple in structure and convenient to use, and not only can reduce noise and dust pollution when a concrete structure is polished, but also greatly protects the personal health of constructors; the invention also discloses a using method of the concrete polishing device.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a concrete grinding device, includes grinding machanism, falls the mechanism of making an uproar, dust absorption mechanism and rubbish containing bucket, fall the mechanism of making an uproar and install the front end at grinding machanism, grinding machanism passes through pipe and dust absorption mechanism intercommunication, and rubbish containing bucket is placed in dust absorption mechanism, and dust absorption mechanism inhales the dust that the in-process of will polishing produced to carry the dust that produces to concentrate in the rubbish containing bucket through the pipe and stack.

Further, grinding machanism includes polishing piece, fan I, motor I and transmission shaft, and the transmission shaft passes through coupling joint on the output shaft of motor I, and fan I is installed on the transmission shaft and is followed the transmission shaft and rotate, and the polishing piece is connected to the one end of keeping away from engine I on the transmission shaft, and the polishing piece is followed the transmission shaft and is rotated, and fan I is located between polishing piece and the motor I, and the polishing piece is located the forefront.

Further, concrete grinding device still includes casing, handle, switch and power cord, and motor I's shell fixed connection is at the casing, and just the handle is installed on the casing, and the switch mounting is on the handle, and motor I is connected with the switch electricity, and the one end of power cord is equipped with the plug.

Further, it includes the protection casing that gives sound insulation to fall the mechanism of making an uproar, and the protection casing that gives sound insulation is installed on the casing, and sanding piece, fan I and motor I are located the protection casing that gives sound insulation, and the one end tip that the casing was kept away from to the protection casing that gives sound insulation is located the place ahead of sanding piece.

Further, the sound insulation protective cover is of a horn-shaped structure, sound insulation cotton is filled in the sound insulation protective cover, and the inlet end of the duct is located in the shell and communicated with the small opening end of the sound insulation protective cover.

Further, dust absorption mechanism includes dust catcher staving, fan II, motor II and gas vent, is equipped with the gas vent at the top of dust catcher staving, and fan II and motor II are located the dust catcher staving and are located the below of gas vent, and II fixed connections of motor are on the inner wall of dust catcher staving, fan II and motor II's output shaft.

Furthermore, the upper part of the dust collector barrel body is of a closing structure, and the fan II, the motor II and the exhaust port are located at the closing structure; a baffle is arranged in the barrel body of the dust collector and is positioned below the closing-up structure, and the area of the baffle is larger than that of the closing-up structure.

Furthermore, an inlet communicated with the outlet end of the conduit is formed in the dust collector barrel body, the conduit is connected with the dust collector barrel body in a sealing mode, and the baffle is located below the fan II and above the connection position of the conduit and the dust collector barrel body.

Based on the concrete grinding device, the invention also relates to a using method of the concrete grinding device, and the using method comprises the following steps: firstly, marking the parts of a concrete structure, such as slab staggering, a rising die and the like, which need to be polished; then, selecting polishing sheets of different types according to the strength of concrete and the thickness of a steel bar protection layer, mounting the polishing sheets on a transmission shaft connected with a motor I in a polishing mechanism, and simultaneously plugging a power supply to connect a dust collection mechanism; the polishing device is placed at a part needing polishing, a switch is turned on to polish the wall surface, the two fans work simultaneously to generate strong suction force, dust generated by polishing is sucked into the polishing device, and the generated dust is conveyed to the garbage containing barrel through the guide pipe to be stacked in a concentrated mode; take out rubbish containing bucket after polishing the completion, clear up it, concentrate the rubbish and discharge.

Further, the using method specifically comprises the following steps:

the method comprises the following steps: polishing pieces of different models are selected according to the strength of concrete and the thickness of a steel bar protection layer and are arranged on a transmission shaft connected with a motor I in a polishing mechanism;

step two: the cleaned garbage containing barrel is arranged, so that enough capacity is ensured for collecting dust generated during polishing, and the dust effect is prevented from being influenced by excessive dust;

step three: the exhaust port is cleaned, the internal air pressure conversion of the dust collection device is guaranteed by the exhaust port in the dust collection process, the suction force is generated by the fan, dust is sucked into the garbage containing barrel, redundant air in the barrel is removed, and the phenomena of insufficient suction force and the like caused by overhigh internal air pressure of the dust collection device are prevented;

step four: a power line is inserted, the polishing device is arranged at a part to be polished, and the sound-proof protective cover is attached to the part to be polished as much as possible, so that the sound-proof protective cover plays a role in sound-proof protection in the polishing process, a switch is turned on to polish the wall surface, and a movable roller is arranged at the bottom of a dust collector barrel body of the dust collection mechanism, can flexibly move in the polishing process, and ensures the construction convenience;

step five: the power supply is turned off, the garbage containing barrel is taken out, the garbage containing barrel and the dust collector barrel body are in a separated state, the garbage containing barrel can be detached independently, collected garbage is stacked in a centralized mode, and the exhaust port is cleaned.

The technical scheme adopted by the invention has the advantages that:

1. the invention provides a dust-removing noise-reducing concrete polishing device, which is different from a common polishing device, wherein a noise-reducing mechanism is arranged at the front end of the polishing device, so that the noise generated by polishing can be greatly reduced in the polishing process; and the dust suction mechanism is arranged, so that dust generated during polishing can be better adsorbed. This device is still set up the garbage storage barrel of large capacity specially to the dust that produces when polishing than many factors, and the rubbish to producing that can be better carries out centralized processing. The device can reduce noise and dust pollution when polishing the concrete structure, and simultaneously greatly protects the personal health of constructors.

2. The concrete polishing device is provided with the two fans and the two motors, dust generated during polishing can be better adsorbed, and a large-capacity garbage containing barrel is specially arranged for the factors that the dust generated during polishing is more, so that the generated garbage can be better treated in a centralized manner. When the common quality problems of concrete expansion molds, slab staggering and the like are polished, the generated dust can be treated in a centralized manner, meanwhile, the noise generated by construction is greatly reduced, the energy-saving and environment-friendly requirements are met, and the health of constructors is greatly guaranteed.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic view of the structure of a concrete grinding device according to the present invention;

FIG. 2 is a schematic view of a dust suction mechanism of the present invention;

FIG. 3 is a schematic view of a grinding mechanism according to the present invention;

FIG. 4 is a schematic cross-sectional view of a polishing mechanism and a noise reduction mechanism according to the present invention.

The labels in the above figures are respectively: 1. grinding the sheet; 2. sound insulation cotton; 3. a fan I; 03. a fan II; 4. a motor I; 04. a motor II; 5. a conduit; 6. a handle; 7. a switch; 8. a trash receptacle; 9. an exhaust port; 10. a power line; 11. a drive shaft; 12. a housing; 13. a sound-insulating protective cover; 14. a dust collector barrel body; 15. and a baffle plate.

Detailed Description

In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; "circumferential" and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.

As shown in fig. 1 to 4, a concrete polishing device comprises a polishing mechanism, a noise reduction mechanism, a dust collection mechanism and a garbage storage barrel 8, wherein the noise reduction mechanism is installed at the front end of the polishing mechanism, the polishing mechanism is communicated with the dust collection mechanism through a conduit 5, the garbage storage barrel 8 is placed in the dust collection mechanism, the dust collection mechanism sucks dust generated in the polishing process, and the dust generated in the polishing process is conveyed into the garbage storage barrel 8 through the conduit 5 to be collected. In order to overcome the problems of various pollution, harm to human health and the like generated when a concrete structure is repaired and polished in the prior art, the invention provides a dust-removing noise-reducing concrete polishing device, which is different from a common polishing device, wherein a noise-reducing mechanism is arranged at the front end of the polishing device, so that the noise generated by polishing can be greatly reduced in the polishing process; and the dust suction mechanism is arranged, so that dust generated during polishing can be better adsorbed. This device is still set up the garbage storage barrel of large capacity specially to the dust that produces when polishing than many factors, and the rubbish to producing that can be better carries out centralized processing. The device can reduce noise and dust pollution when polishing the concrete structure, and simultaneously greatly protect the personal health of constructors.

Grinding machanism includes polishing piece 1, fan I3, motor I4 and transmission shaft 11, transmission shaft 11 passes through coupling joint on motor I4's output shaft, fan I3 is installed on transmission shaft 11 and is followed transmission shaft 11 and rotate, the polishing piece 1 is connected to the one end of keeping away from engine I4 on the transmission shaft 11, polishing piece 1 follows transmission shaft 11 and rotates, fan I3 is located between polishing piece 1 and the motor I4, polishing piece 1 is located the most place ahead.

Concrete grinding device still includes casing 12, handle 6, switch 7 and power cord 10, and motor I4's shell fixed connection is at casing 12, and do handle 6 install on casing 12, and switch 7 installs on handle 6, and motor I4 is connected with the switch electricity, and the one end of power cord 10 is equipped with the plug, and the other end of power cord 10 and the concrete grinding device who sets up in casing 12 have been connected by the circuit.

The noise reduction mechanism comprises a sound insulation protective cover 13, the sound insulation protective cover 13 is installed on the shell 12, the polishing piece 1, the fan I3 and the motor I4 are located in the sound insulation protective cover 13, and one end portion, far away from the shell 12, of the sound insulation protective cover 13 is located in the front of the polishing piece 1. Preferably, the soundproof protection cover 13 is a horn-shaped structure, soundproof cotton 2 is filled in the soundproof protection cover 13, and the inlet end of the duct 5 is located in the housing 12 and is communicated with the small end of the soundproof protection cover 13.

The dust collection mechanism comprises a dust collector barrel body 14, a fan II 03, a motor II 04 and an exhaust port 9, the exhaust port 9 is arranged at the top of the dust collector barrel body 14, the fan II 03 and the motor II 04 are located in the dust collector barrel body 14 and located below the exhaust port 9, a motor II 4 is fixedly connected to the inner wall of the dust collector barrel body 14, and the fan II 03 is connected with an output shaft of the motor II 04. The upper part of the dust collector barrel body 12 is of a closing-in structure, and the fan II 03, the motor II 04 and the exhaust port 9 are positioned at the closing-in structure; a baffle plate 15 is arranged in the dust collector barrel body 12, the baffle plate 15 is located below the closing-in structure, and the area of the baffle plate 15 is larger than that of the closing-in structure.

An inlet communicated with the outlet end of the conduit 5 is formed in the dust collector barrel body 12, the conduit 5 is hermetically connected with the dust collector barrel body 12, and the baffle 15 is located below the fan II 3 and above the connection position of the conduit 5 and the dust collector barrel body 12. The bottom of the dust collector barrel body 12 is provided with idler wheels, and the dust collector barrel body 12 is provided with a door for conveniently taking and placing the garbage containing barrel 8

The grinding device is different from a common grinding device, the front end of the grinding device is provided with the sound insulation protective cover, and noise generated by grinding can be greatly reduced in the grinding process; and two fans and an engine are arranged in the device, so that dust generated in the process of polishing can be better adsorbed. The invention can not only reduce noise and dust pollution when polishing the concrete structure, but also greatly protect the personal health of constructors.

Based on the concrete polishing device, the invention also relates to a use method of the concrete polishing device, which comprises the following steps: at first, the positions of concrete structure slab staggering, formwork expanding and the like needing to be polished are marked, then polishing sheets of different models are selected according to the concrete strength and the thickness of a steel bar protection layer, the polishing sheets are installed on a transmission shaft connected with a motor I in a polishing mechanism, a power supply is plugged, a dust collection mechanism is connected, and an exhaust port of a garbage storage barrel is cleaned before the dust washing mechanism is installed. The polishing device is placed at a part to be polished, the switch is turned on to polish the wall surface, the sound insulation protective cover can isolate most of noise in the polishing process and prevent the polishing piece from touching objects outside the wall surface in the construction process, and the personal safety of constructors is guaranteed; simultaneously two fans work simultaneously and produce powerful suction, will polish produced dust and inhale inside this device, and the rethread pipe is carried the dust that produces to rubbish containing bucket department and is concentrated to be stacked. Take out rubbish containing bucket after polishing the completion, clear up it, concentrate the rubbish and discharge.

The using method specifically comprises the following steps:

the method comprises the following steps: select the piece of polishing 1 of different models for use according to concrete strength and reinforcing bar protective layer thickness, install it in grinding mechanism on the transmission shaft of being connected with motor I.

Step two: the cleaned 8-garbage containing barrel is installed, so that sufficient capacity is ensured for collecting dust generated during polishing, and the dust effect is prevented from being influenced by excessive dust;

step three: the exhaust port 9 is cleaned, the exhaust port ensures the internal air pressure conversion of the dust collection device in the dust collection process, the suction force is generated by the fan to suck dust into the garbage containing barrel and remove redundant air in the barrel, and the phenomena of insufficient suction force and the like caused by overhigh internal air pressure of the dust collection device are prevented;

step four: inserting a 10 power cord, placing the polishing device at a part to be polished, and pressing the sound-proof protective cover to the part to be polished as much as possible, so that the sound-proof protective cover can play a sound-proof role in the polishing process, turning on a switch 7 to polish the wall, and arranging a movable roller at the bottom of a dust collector barrel body 12 of the dust collection mechanism, wherein the movable roller can flexibly move in the polishing process, thereby ensuring the construction convenience;

step five: the power supply is turned off, the garbage containing barrel 8 is taken out, the garbage containing barrel and the dust collector barrel body 12 are in a separated state, the garbage containing barrel can be detached independently, collected garbage is stacked in a centralized mode, and the exhaust port 9 is cleaned.

The fan I and the polishing piece are connected to the same motor I, the polishing piece polishes a wall body when a switch is turned on, dust generated by polishing is sucked into the device by the fan I to prevent dust diffusion, the dust is sucked into the concrete polishing device by the fan I, and the generated dust is conveyed to the garbage containing barrel by the guide pipe to be stacked in a concentrated mode.

The concrete polishing device can repair and polish the concrete wall body without noise and pollution; the front end part of the concrete polishing device consists of a soundproof cotton interlayer, and noise generated during polishing can be effectively reduced.

The concrete polishing device is provided with the two fans and the two motors, dust generated during polishing can be better adsorbed, and a large-capacity garbage containing barrel is specially arranged for the factors that the dust generated during polishing is more, so that the generated garbage can be better treated in a centralized manner. When the common quality problems of concrete expansion molds, slab staggering and the like are polished, the generated dust can be treated in a centralized manner, meanwhile, the noise generated by construction is greatly reduced, the energy-saving and environment-friendly requirements are met, and the health of constructors is greatly guaranteed.

The invention relates to a dust-removing noise-reducing concrete polishing device, which can intensively treat the generated dust and reduce the construction noise when repairing and polishing the common quality problems of building concrete structure expansion, slab staggering and the like. The device is different from a common polishing device, the front end of the polishing device is provided with the sound insulation protective cover, the polishing part is wrapped in the sound insulation protective cover in all directions in the polishing process, the polishing piece is prevented from being directly exposed outside the device to hurt people, the noise generated by polishing can be greatly reduced in the construction process, and the personal safety of constructors is also protected; this device is equipped with two fans and engine, and the dust that produces when facing to polish can be better adsorbs to the dust that produces more than the factor to polish, still set up the mobilizable dust extraction of large capacity specially, can be more convenient carry out centralized processing to produced rubbish. Especially for indoor relatively closed space, the dust that produces in the process of polishing can't be discharged, and this device can better reduce the dust and spread, provides a construction environment of relative good to constructor. The device meets the requirements of energy conservation and environmental protection, plays a great role in environmental protection, and greatly ensures the personal safety and the body health of construction personnel.

The invention is described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but may be modified in various insubstantial ways with or without modification. The invention is directly applied to other occasions and is within the protection scope of the invention.

Claims

1. The utility model provides a concrete grinding device which characterized in that: including grinding machanism, fall the mechanism of making an uproar, dust absorption mechanism and rubbish containing bucket (8), fall the mechanism of making an uproar and install the front end at grinding machanism, grinding machanism passes through pipe (5) and dust absorption mechanism intercommunication, and rubbish containing bucket (8) are placed in dust absorption mechanism, and dust absorption mechanism inhales the dust that the in-process produced of will polishing to carry the dust that produces to concentrate in rubbish containing bucket (8) and stack through pipe (5).

2. A concrete grinding apparatus as defined in claim 1, wherein: grinding machanism includes polishing piece (1), fan I (3), I (4) of motor and transmission shaft (11), transmission shaft (11) are passed through coupling joint on the output shaft of I (4) of motor, install on transmission shaft (11) and follow transmission shaft (11) and rotate I (3) of fan, the polishing piece (1) is connected to the one end of keeping away from I (4) of engine on transmission shaft (11), the transmission shaft (11) are followed in polishing piece (1) and are rotated, I (3) of fan are located between polishing piece (1) and I (4) of motor, it is located the forefront to polish piece (1).

3. A concrete grinding apparatus as claimed in claim 2, wherein: concrete grinding device still includes casing (12), handle (6), switch (7) and power cord (10), and the shell fixed connection of motor I (4) is in casing (12), and install on casing (12) handle (6), and install on handle (6) switch (7), and motor I (4) are connected with the switch electricity, and the one end of power cord (10) is equipped with the plug.

4. A concrete grinding apparatus as claimed in claim 3, wherein: the noise reduction mechanism comprises a sound insulation protective cover (13), the sound insulation protective cover (13) is installed on a shell (12), a polishing piece (1), a fan I (3) and a motor I (4) are located in the sound insulation protective cover (13), and one end portion, far away from the shell (12), of the sound insulation protective cover (13) is located in the front of the polishing piece (1).

5. A concrete grinding apparatus as claimed in claim 4, wherein: the sound insulation protective cover (13) is of a horn-shaped structure, sound insulation cotton (2) is filled in the sound insulation protective cover (13), and the inlet end of the duct (5) is positioned in the shell (12) and communicated with the small opening end of the sound insulation protective cover (13).

6. A concrete grinding apparatus as claimed in any one of claims 2 to 5, wherein: dust absorption mechanism includes dust catcher staving (14), fan II (03), motor II (04) and gas vent (9), is equipped with gas vent (9) at the top of dust catcher staving (14), and fan II (03) and motor II (04) are located dust catcher staving (14) and are located the below of gas vent (9), and motor II (04) fixed connection is on the inner wall of dust catcher staving (14), and fan II (03) and the output shaft of motor II (04).

7. A concrete grinding apparatus as claimed in claim 6, wherein: the upper part of the dust collector barrel body (12) is of a closing structure, and the fan II (03), the motor II (04) and the exhaust port (9) are located at the closing structure; a baffle (15) is arranged in the dust collector barrel body (12), the baffle (15) is located below the closing-in structure, and the area of the baffle (15) is larger than that of the closing-in structure.

8. A concrete grinding apparatus as defined in claim 7, wherein: the dust collector is characterized in that an inlet communicated with the outlet end of the conduit (5) is formed in the dust collector barrel body (12), the conduit (5) is hermetically connected with the dust collector barrel body (12), and the baffle (15) is located below the fan II (03) and above the joint of the conduit (5) and the dust collector barrel body (12).

9. The use method of the concrete grinding device is characterized by comprising the following steps: a concrete grinding device according to any one of claims 1 to 8, wherein the use method comprises the following steps: firstly, marking the parts of a concrete structure, such as slab staggering, a rising die and the like, which need to be polished; then, selecting polishing sheets of different types according to the strength of concrete and the thickness of a steel bar protection layer, mounting the polishing sheets on a transmission shaft connected with a motor I in a polishing mechanism, and simultaneously plugging a power supply to connect a dust collection mechanism; the polishing device is placed at a part needing polishing, a switch is turned on to polish the wall surface, the two fans work simultaneously to generate strong suction force, dust generated by polishing is sucked into the polishing device, and the generated dust is conveyed to the garbage containing barrel through the guide pipe to be stacked in a concentrated mode; take out rubbish containing bucket after polishing the completion, clear up it, concentrate the rubbish and discharge.

10. A method of using a concrete grinding apparatus as claimed in claim 9, wherein: the using method specifically comprises the following steps:

the method comprises the following steps: polishing pieces (1) of different types are selected according to the strength of concrete and the thickness of a steel bar protection layer and are arranged on a transmission shaft connected with a motor I in a polishing mechanism;

step two: the cleaned (8) garbage containing barrel is installed, so that enough capacity is ensured for collecting dust generated during polishing, and the dust effect is prevented from being influenced by excessive dust;

step three: the exhaust port (9) is cleaned, the exhaust port ensures the internal air pressure conversion of the dust collection device in the dust collection process, the suction force is generated by the fan to suck dust into the garbage containing barrel and remove redundant air in the barrel, and the phenomena of insufficient suction force and the like caused by overhigh internal air pressure of the dust collection device are prevented;

step four: inserting (10) a power line, placing the polishing device at a part to be polished, and pressing the sound-proof protective cover to the part to be polished as much as possible, so that the sound-proof protective cover can play a sound-proof protection role in the polishing process, opening a switch (7) to polish the wall, and arranging a movable roller at the bottom of a dust collector barrel body (12) of the dust collection mechanism, wherein the movable roller can flexibly move in the polishing process, thereby ensuring the construction convenience;

step five: the power supply is turned off, the garbage containing barrel (8) is taken out, the garbage containing barrel and the dust collector barrel body (12) are in a separated state, the garbage containing barrel can be detached independently, collected garbage is stacked in a centralized mode, and the exhaust port (9) is cleaned.