1109 results about "Brush device" patented technology

The invention provides a control method of cleaning equipment, the cleaning equipment comprises a rolling brush device, a wiping plate device and a scraping strip device, the rolling brush device can rotate to clean a to-be-cleaned surface, the scraping strip device is arranged on the front side of the rolling brush device, and the wiping plate device is arranged between the rolling brush device and the scraping strip device; the cleaning equipment comprises a first cleaning mode and a second cleaning mode; the control method is configured as follows: in response to a cleaning instruction, the cleaning equipment enters a first cleaning mode, and the motion state of the cleaning equipment is obtained; the scraping strip device is controlled to ascend or descend according to the motion state of the cleaning equipment; after the switching instruction is received, the cleaning equipment is switched from the first cleaning mode to the second cleaning mode, and position information of the scraping strip device is obtained; the wiping plate device is controlled to ascend or descend according to the position information of the scraping strip device. According to the control method, the scraping strip device and the wiping plate device can be controlled to effectively clean different stains, and the cleaning effect of the cleaning equipment is improved.

The embodiment of the invention provides an electrostatic precipitator polar plate system ash removal device and a control method thereof, and belongs to the technical field of electrostatic precipitation. The device comprises: a main frame for mounting each working module; the ash removal module comprises a polar plate rolling brush device and a polar line straight brush device; wherein the polar plate rolling brush device is mounted at the front end of the main frame and used for cleaning the surface of an anode plate in an electric precipitator polar plate system; the polar line straight brushing device is installed at the rear end of the upper surface of the main frame and used for cleaning the cathode line surface in the electric precipitator polar plate system. The adsorption walking modules are mounted at four corners of the main frame and are used for adsorbing the device on the surface of the anode plate through magnetic attraction force and driving the device to move; and the thickness measuring device is mounted at the tail end of the main frame and used for detecting the thickness of residual dust on the surface of the anode plate to judge whether reinforced cleaning is needed. According to the scheme, automatic dust removal of the electric dust remover polar plate system is achieved, the manual intervention frequency is effectively reduced, and the dust removal effect and operation safety are improved.

A vacuum cleaner including a cleaner body and a brush device connected to the cleaner body. The cleaner body may be configured to perform self-diagnosis on each element of the vacuum cleaner by comparing a flow path pressure value of the vacuum cleaner which is detected by using a pressure sensor mounted to a portion of a suction duct and data related to a load of a brush device with reference values stored in a memory, and to output a result of the self-diagnosis.

The utility model provides a rolling brush device for cleaning equipment, the cleaning equipment and a cleaning system, and relates to the technical field of cleaning equipment, a first rolling brush of the rolling brush device comprises a first end part and a second end part which are opposite in the axis direction; the first cutting assembly and the first rolling brush are driven by a driving assembly of the cleaning equipment to rotate in the first rotating direction, and the first cutting assembly is used for cutting hair wound around the first end in the rotating process; the first cutting assembly and the first rolling brush are arranged to have a speed difference when being driven by the driving assembly to rotate. According to the rolling brush device, the situation that the rolling brush device is wound and clamped by hair and cannot work normally can be avoided, and the working stability of cleaning equipment is improved.

The invention discloses a paper collecting mechanism of a die-cutting machine and the die-cutting machine, and the paper collecting mechanism comprises a braking brush device, a paper conveying device, a paper collecting device and a paper collecting device which are sequentially arranged in the paper conveying direction, and the braking brush device is used for braking paper to slow down the conveying speed of the paper; the paper collecting plate is used for bearing the paper and stacking the paper; the paper raking device is used for releasing the paper conveyed by the gripper row onto the paper collecting plate; the air blowing device comprises an air blowing pipe, the air blowing pipe is located above the center of the paper collecting plate, air outlet holes are formed in the pipe wall of the air blowing pipe and face downwards, and air blown out of the air outlet holes is sprayed to the center of the upper surface of the paper, so that the height of the center of the lower surface of the paper is lower than that of the peripheral side of the lower surface of the paper when the paper falls; the paper aligning device is arranged on the peripheral side of the upper surface of the paper collecting plate and used for abutting against the peripheral side edges of the paper on the paper collecting plate in a reciprocating mode so that the stacked paper can be aligned. The paper collecting device can effectively stack and collect paper in order.

The invention relates to a plate surface paint brushing device for furniture processing and a processing method thereof. The plate surface paint brushing device effectively solves the problems that an existing paint brushing device is low in precision, cannot guarantee the paint film flatness, cannot fully and uniformly brush paint, is low in efficiency and affects the furniture quality. According to the technical scheme, the plate surface paint brushing device for furniture processing and the processing method of the plate surface paint brushing device for furniture processing have the advantages that paint with uniform thickness is brushed on the surface of a plate through a double-step type suspension scraper mechanism, the flatness of the paint surface is guaranteed, a self-adaptive curing mechanism can heat and cure the paint, the curing efficiency is improved, an air cooling mechanism can quickly cool the paint surface, and the paint surface can be quickly cooled. Cooling time consumption is reduced; and the floating type grinding mechanism can finely grind the cured paint surface and remove salient points on the paint surface, dust generated during grinding can be fully recycled by the dust collection mechanism, dust attachment on the paint surface is further reduced, so that the paint brushing quality of the plate is improved, the paint brushing efficiency of the plate can be greatly improved, and the device is more convenient to use during furniture processing.

The invention discloses a battery pack water connector automatic assembling machine and assembling method, the battery pack water connector automatic assembling machine comprises a conveying device, and the conveying device is sequentially provided with a base feeding station used for placing a base provided with a spring; the detection station is used for identifying the base and detecting whether a spring is mounted or not; a material distributing device, an oil brushing device and a moving device are arranged on the connector feeding station, the material distributing device is used for moving the two connectors to a first position and a second position correspondingly, and the oil brushing device is used for brushing oil on the clamped parts of the connectors and the base; the moving device is used for grabbing the connector to move to the oil brushing device for oil brushing and then moving and placing the connector on the base, and the rotating device is installed on the moving device. The pressing station is used for pressing the joint on the base; and the discharging station is used for discharging. Therefore, automatic assembly is achieved, the assembly precision and the assembly efficiency are improved, and meanwhile the problem that springs are prone to being omitted during manual assembly is solved.

An electronic hair brush device includes a hair brush that has a handle and a head that is disposed on the handle. A plurality of bristles is provided and each of the plurality of bristles is attached to the head of the hair brush to brush hair of a user. Each of the plurality of bristles is comprised of an electrically conductive material to conduct static electricity produced by brushing the plurality of bristles through the user's hair. A power storage unit is integrated into the handle of the hair brush and the power storage unit is in electrical communication with each of the plurality of bristles. In this way the power storage unit can store the static electricity conducted by the plurality of bristles. The power storage unit has an output which can be placed in electrical communication with an electronic device to charge the electronic device.

The invention relates to the technical field of electronic manufacturing, and discloses a circuit board printing manufacturing device which comprises a conveying belt, one end of the conveying belt is provided with a board placing device used for storing solder resist ink needing to be coated, one side of the board placing device is provided with two brushing devices, and the two brushing devices are arranged on the conveying belt. A fixing plate is arranged between the two brushing devices, the fixing plate is fixedly mounted on a fixing mounting plate of the conveying belt, a square rod is arranged between the fixing plate, one end of the square rod is rotationally connected with a gear, the other side of the gear is fixedly connected with a sliding square block, the other end of the sliding square block is slidably connected with a clamping block, and the clamping block is fixedly connected with the clamping block. One side of the clamping block communicates with an air pipe used for adsorbing a copper-clad plate, the square rod is sleeved with a torsional spring, and one end of the torsional spring is fixedly connected with the square rod. The circuit board printing and manufacturing device can fix the position of the copper-clad plate after the copper-clad plate is turned over.

The invention discloses an immersed phase change liquid cooling method for a data center server, which is characterized in that the server is immersed in a phase change cooling liquid to realize cooling, the heat dissipation side surface of the server is divided into a plurality of heat dissipation areas, the surface of each heat dissipation area is provided with a corresponding rotor brush device, and according to the temperature rise and fall of each heat dissipation area, the rotor brush device is driven by the rotor brush device to rotate. And the rotating speed of the rotor brush device in the heat dissipation area is correspondingly adjusted. According to the invention, the cooling effect on the data center server can be better improved, targeted heat dissipation and cooling treatment on a local area with uneven heating is realized, and the overall performance and efficiency of the server can be better improved.

The utility model discloses a brushing device for gear machining, and relates to the technical field of gear machining. The device comprises a scrubbing box, a horizontally-arranged bottom plate is fixedly arranged in the scrubbing box, a vertically-arranged vertical plate is fixedly arranged at one end of the upper surface of the bottom plate, a horizontally-arranged first rotating shaft is rotationally arranged at the top of the vertical plate, and a plurality of containing grooves distributed at equal intervals are formed in the first rotating shaft; a scrubbing gear needing to be cleaned can be placed in the containing groove, and a vertically-arranged mounting plate is arranged at the position, located above the bottom plate, in the scrubbing box. The brush plate is rotated and the brushing gear is driven to rotate together, brushes of the brush plate can be clamped at teeth of the brushing gear, the side wall and the teeth of the brushing gear can be fully and comprehensively cleaned, the cleaning efficiency is improved, manual operation of a worker is not needed, multiple gears can be brushed at a time, and the cleaning efficiency is improved. The processing efficiency is improved.

The invention belongs to the technical field of titanium anode processing, and relates to a brushing device, a pickling device and a production process of a small-size mesh anode. The brushing device comprises a bottom frame, a supporting frame layer and a limiting frame layer which are sequentially distributed from bottom to top and are fixedly connected, wherein the limiting frame layer is used for preventing the small-size mesh anode from shaking; the support frame layer comprises a plurality of support frame welds, the size of each support frame is 0.1-1mm larger than that of the small-size mesh anode, and the side edge of each support frame is provided with a support part for supporting the small-size mesh anode; the limiting frame layer comprises a plurality of limiting frames, and each limiting frame is the same as the corresponding supporting frame in size. In the brushing and sintering processes, a plurality of small-size mesh anodes are assembled into a large mesh through the device, and the brushing efficiency is improved by dozens of times. The brushed small-size meshes can be directly sintered in a high-temperature sintering furnace through the device, so that the time is saved, and the efficiency is improved; and the small-size meshes can be in full contact with hot air, so that the sintering quality is ensured.

The invention relates to the technical field of grain depot center pipe cleaning equipment, in particular to a pole climbing machine for cleaning grain depot center pipe network hole blocking materials, which comprises a pole climbing machine and a center pipe, the pole climbing machine is arranged on the peripheral side of the center pipe, the pole climbing machine is composed of an upper frame and a lower frame, and a roller brush device is mounted at the bottom of the lower frame. The roller brush device is used for cleaning and brushing central pipe network holes in the peripheral side of the central pipe; the pole climbing machine can automatically move on the center pipe, the roller brush device is used for cleaning the outer side wall and the center mesh of the center pipe, the electric telescopic rod stretches out and draws back to achieve vertical movement of the pole climbing machine, operation is easy, manpower is saved, safety risks are avoided, potential safety hazards are solved, the cleaning efficiency is improved, and the cleaning cost is reduced; the pole climbing machine can adapt to center pipes with different diameters, the size of the pole climbing machine can be rapidly adjusted, storage in the later period is facilitated, and the occupied space is reduced.

A plug-on brush device for a toothbrush handpiece, in particular for an electrical toothbrush handpiece, with an application unit including a head section with a brush head, a plug-on section and a neck section that is arranged between the head section and the plug-on section, and with an interface accommodation unit which is configured to receive at least one interface of a toothbrush handpiece, wherein the interface accommodation unit is realized separately and the plug-on section of the application unit includes a receiving region for receiving the interface accommodation unit at least substantially completely in a loss-proof manner.

The utility model provides a floor brush device and cleaning equipment, relates to the technical field of cleaning equipment, and is used for solving the technical problem that the cleaning effect of the cleaning equipment is poor. The floor brush device comprises a floor brush body, a cleaning part and a water tank assembly, the cleaning part is connected with the floor brush body, and the water tank assembly is arranged on the floor brush body; the water tank assembly comprises a clear water cavity and a cleaning liquid cavity. The clear water cavity is provided with a clear water outlet and is configured to supply cleaning water to the cleaning part through the clear water outlet; the cleaning liquid cavity is provided with a liquid outlet, the liquid outlet is opposite to the cleaning piece, and the cleaning liquid cavity is configured to supply cleaning liquid to the cleaning piece through the liquid outlet. The cleaning device is used for improving the cleaning effect of the cleaning device, and meanwhile corrosion of cleaning liquid to the clear water cavity can be reduced.

The cultural relic protecting and cleaning device comprises a cleaning brush sleeve and a cleaning brush handle, the outer wall of the cleaning brush handle is fixedly connected with two sets of guide blocks, two sets of sliding grooves are formed in the inner wall of the cleaning brush sleeve, the positions of the two sets of sliding grooves correspond to the positions of the two sets of guide blocks, and the inner wall and the outer wall of the cleaning brush sleeve are matched in shape. And a reset mechanism for driving the clamping block to reset is mounted in the limiting groove. Through the design of sliding connection, the cleaning brush sleeve can be conveniently adjusted or replaced, the whole cleaning brush device does not need to be replaced, and the stable locking of the cleaning brush sleeve after replacement is ensured through the matching of the guide block and the sliding groove and the automatic reset mechanism of the clamping block under the action of the first spring; the problem of looseness possibly occurring in the operation process is avoided, so that the using habit of workers on the shape and weight of the cleaning brush handle is continued, and the risk that due to the fact that the workers are not familiar with new tools, operation is unstable, and cultural relics are damaged is reduced.

A low-cost photovoltaic panel cleaning robot comprises a robot body, a chassis executing mechanism, a cleaning brush device and an anti-falling mechanism, and the chassis executing mechanism takes a crawler-type mechanism as a motion executing carrier and drives a crawler belt through a large-torque coding motor so that the robot body can execute operation actions on a photovoltaic panel; the cleaning brush device comprises an industrial cleaning brush, a 3D printing supporting force arm, a driving motor, a bearing, a rubber synchronous belt and a synchronous gear and is used for effectively cleaning dust covering the surface of the photovoltaic panel on the premise that the surface of the photovoltaic panel is not damaged; and the anti-falling mechanism is arranged on the front portion of the robot body and is achieved by detecting the PWM duty ratio of a cleaning brush driving motor, and meanwhile infrared detection sensors are arranged on the tail portion, the left side and the right side of the vehicle body correspondingly and used for preventing the risk that the robot falls when running to the edge of the photovoltaic panel. The method is high in practical applicability and low in hardware cost, the photovoltaic panel cleaning efficiency can be effectively improved, and the application range is wider.

The utility model discloses a brushing device for equipment anticorrosion, including handle rod, mount, mounting rod and roll brush bar, mount is provided the front end of handle rod and is fixedly connected with the handle rod, mounting rod is provided the front end of mount, and the right end is fixedly connected with mount, roll brush bar sleeve is provided the mounting rod surface. The handle rod, the fixing frame, the mounting rod, the rolling brush rod, the dismounting and mounting device, the fixing assembly, the rolling shaft, the elastic piece, the spring, the push plate, the control assembly, the placing ring, the push ring, the extrusion block, the movable limiting assembly, the supporting rod, the moving rod, the handle, the magnetic suction ring and the stop block are used in cooperation; the problems that a rolling brush rod of a rolling brush cylinder device is generally integrated with the device or fixed through a bolt, so that the used or damaged rolling brush rod is troublesome to replace, the rolling brush rod is inconvenient to replace, and the working efficiency is affected are solved.

The invention relates to the technical field of thermoplastic elastomer production equipment, in particular to a foreign matter removing device for thermoplastic elastomer production, which comprises a bottom shell, a screening device for screening raw materials and a brushing device for adsorbing impurities, a top shell is fixedly connected to the top of the bottom shell, and the screening device is mounted at the upper part in the top shell; a box door is installed in front of the top shell, a feeding port is formed in the top of the rear portion of the top shell, and the front side and the rear side of the bottom of the bottom shell are each fixedly connected with two fixing blocks which are symmetrically arranged in the front-back direction. The rotating wheel set can be pushed to move under the action of the electric telescopic rod, the rotating wheel set pushes the discharging plate to rotate on the outer side of the connecting block, conductive plates are made to be away from one another, foreign matter is prevented from remaining on the surface of raw materials in an electrostatic adsorption mode, and the foreign matter in the thermoplastic elastomer production process is further reduced.

The invention belongs to the technical field of road maintenance equipment, and particularly relates to a multifunctional comprehensive cleaning device and method for a road and a maintenance vehicle. In order to solve the problems of low working efficiency, high labor intensity, poor cleaning effect and high operation cost of road crack grass cleaning, steel plate guardrail cleaning and middle division belt garbage cleaning, three-dimensional movement of the three-section mechanical arm is realized through the swing oil cylinder and the lifting oil cylinder. The steel wire brush device can flexibly swing to clean gap grass, the sweeping and rolling device can spray water to clean a steel plate guardrail, and the disc brush device can clean garbage in a middle dividing belt. The all-in-one machine integrates multiple functions, the working efficiency is improved, the labor intensity is reduced, the cleaning effect is remarkably improved, meanwhile, the operation cost of equipment purchase, maintenance, energy consumption and the like is reduced, and an efficient and economical solution is provided for road cleaning.

The utility model relates to the technical field of draught beer machines, in particular to a draught beer machine cip brushing device which comprises a draught beer machine table, a cleaning assembly and a recycling assembly, a beer column is horizontally arranged at the upper end of the draught beer machine table, a plurality of electric control beer outlet valves are horizontally and symmetrically arranged on one side of the beer column, and a beer outlet hose is arranged on one side in each electric control beer outlet valve in a penetrating and inserting mode. A cip brushing tank and a recycling tank are arranged in a draught beer machine table, before a beer outlet head controls beer outlet through an electric control beer outlet valve, the beer outlet head and the cip brushing tank are communicated through the electric control beer outlet valve and an electric control three-way device, and then cleaning liquid in the cip brushing tank is conveyed into the beer outlet head through high-pressure carbon dioxide input through a carbon dioxide pipe to be cleaned. And then under the matching action of the recycling assembly, the cleaning liquid flowing through the foreshot is recycled into the recycling tank, and the adapter of the beam pipe can be matched with the overturning assembly to store and shield the end of the foreshot when the foreshot is not used, so that external pollution is avoided.

The utility model provides a floor brush device and cleaning equipment, and relates to the technical field of cleaning equipment. The floor brush device is used for solving the technical problem that the cleaning effect of cleaning equipment is poor and comprises a floor brush body, a cleaning part and a water tank assembly, the cleaning part is connected with the floor brush body, and the water tank assembly is arranged above the floor brush body; the water tank assembly is provided with a clear water cavity and a cleaning liquid cavity, the clear water cavity is configured to store cleaning water needed by the cleaning part, and the cleaning liquid cavity is configured to store cleaning liquid; the clean water cavity is provided with a clean water outlet which is located in the side, facing the floor brush body, of the clean water cavity, and the cleaning liquid cavity is provided with a liquid outlet which is located in the side, facing the floor brush body, of the cleaning liquid cavity. The technical problem that the cleaning effect of the cleaning equipment is poor is solved.

The utility model discloses a die steel polishing device, and relates to the technical field of die steel polishing devices. The clamping device comprises a workbench, a clamping seat and a fixing seat, the cleaning and brushing device comprises a workbench, a clamping seat, a cleaning and brushing mechanism and a second moving rod, a grinding disc is fixed to the bottom end of the second moving rod through a bolt, and a cleaning and brushing plate is arranged above the workbench and located below the clamping seat. According to the utility model, the cleaning mechanism is arranged; the grinding disc and the brushing plate are driven by the same power source to move back and forth, the grinding disc moves back and forth and grinds the outer wall of an object, the brushing plate moves back and forth and brushes chippings generated by grinding, and the chippings falling at the top end of the workbench are brushed into the collecting box through the discharging groove. And compared with a traditional mode that chippings at the top end of the workbench are cleaned manually, the workload of workers is relieved, meanwhile, the cleaned chippings are integrated and collected, and then subsequent overall treatment of the chippings is facilitated.

The invention provides a self-cleaning control method of cleaning equipment and relates to the technical field of cleaning equipment.The cleaning equipment comprises a machine body, a rolling brush device, a scraping device and a base, the rolling brush device is rotatably arranged on the machine body, the scraping device is movably arranged on the machine body, and the scraping device is arranged on the front side of the rolling brush device and can be lifted up and down; the base is provided with a cleaning groove, and the machine body and / or the base are / is provided with a liquid supply device. The self-cleaning control method comprises the steps that when a self-cleaning instruction is received in the state that the machine body is arranged on the base, the liquid supply device is controlled to inject cleaning liquid into the cleaning groove, the scraping device is controlled to ascend and descend in a reciprocating mode, and when the scraping device is located at the descending position, the cleaning end of the scraping device is soaked in the cleaning liquid; the lifting characteristic of the scraping device can realize circulation of actions of immersing into the cleaning liquid and separating from the cleaning liquid, and the limitation that the scraping device in a related scheme is fixed and cannot be cleaned is broken through.

The utility model relates to the technical field of steel formwork oil brushing, and discloses a steel formwork oil brushing device for a fiber cement flat calcium silicate board, the steel formwork oil brushing device comprises a support plate, the bottom of the support plate is fixedly connected with an electric bottom plate vehicle, the support plate is provided with a brushing mechanism, the brushing mechanism comprises an oil storage tank, the oil storage tank is arranged at the top of the support plate, and the electric bottom plate vehicle is fixedly connected with the oil storage tank. A sliding groove is formed in the support plate, and a sliding block is fixedly connected to the bottom of the oil storage tank. Through the design of the brushing mechanism, when oil brushing operation is carried out on the steel formwork, the outer side of the steel formwork is brushed through a brush, in the brushing period, after a pump body works, oil in an oil storage tank can be extracted and finally enters a connecting frame to be discharged through an oil discharging hole, and discharged oil dip-dyes the brush; and the surface of the steel formwork is coated with the brush, the purpose of automatically supplementing oil liquid in the oil brushing process is achieved, and compared with manual operation, more convenience is achieved, and manpower is saved.

Provided is a cordless vacuum cleaner including a cleaner body including a first processor configured to control an operation of a first switching device connected to a signal line to transmit a first signal to a brush device through the signal line and receive a second signal from the brush device through the signal line, and the brush device including a second processor configured to control an operation of a second switching device connected to the signal line to transmit the second signal to the cleaner body through the signal line and receive the first signal from the cleaner body through the signal line.

The utility model belongs to the technical field of car washing, and discloses a reciprocating type gantry car washing machine which comprises a rolling brush device used for movably rolling and brushing a car body and further comprises a spray washing device installed on the rolling brush device and used for swinging front and back to spray water to clean the car body. A swing device used for driving to swing back and forth along with car washing movement is installed in the middle of the top of the spray washing device. The spray washing device comprises a top pipe, and two first bevel gears are symmetrically arranged at the two ends of the top pipe. According to the reciprocating type gantry car washing machine, the spray washing direction is continuously changed in the spray washing process through the arrangement of front-back swing water spraying, and the washing effect on a car body is improved; by means of the arrangement of front-back swinging along with the car washing movement drive, the linkage gear is meshed with the upper gear block and the lower gear block in turns to drive the sprayer to swing front and back during movable spray washing, and no extra power is needed for controlling swinging; and the top pipe and the side pipe are communicated, so that the top pipe and the side pipe form a water path, and control is facilitated.

The utility model discloses a conveyor belt cleaning device and a mineral powder conveyor, the conveyor belt cleaning device comprises an outer frame, supporting rollers and a lower pressing roller, the two supporting rollers used for supporting a conveyor belt are rotatably installed in the outer frame, the lower pressing roller is installed between the two supporting rollers, and the lower pressing roller is used for pressing the conveyor belt downwards to enable the conveyor belt to protrude downwards; the device further comprises a transverse brush device, the transverse brush device is installed below the lower pressing roller, and an included angle is formed between the installation direction of the transverse brush device and the installation direction of the conveying belt. The conveyor belt cleaning device has a better effect of cleaning a conveyor belt with transverse raised stripes.

The full-automatic cleaning machine comprises a cleaning machine main body, the cleaning machine main body is provided with a transfer device, a dismounting system, a cleaning system and an assembling system, the dismounting system comprises a moving device and a clamping assembly arranged at the output end of the moving device, and the clamping assembly is arranged at the output end of the moving device. The clamping assembly is matched with the moving device to separate an inner ring, an outer ring and a retainer of the bearing; the cleaning system comprises a scrubbing module, the scrubbing module comprises a positioning device and a rolling brush device, and the rolling brush device is used for cleaning the inner ring or the outer ring positioned by the positioning device. The bearing cleaning device has the following advantages and effects that a new mechanical structure is utilized in the scheme, the bearing is cleaned after being disassembled, and the dirt removing capacity is high.