270results about How to "With dust removal function" patented technology

The invention discloses an environmental-friendly multifunctional cutting device for a building material. The environmental-friendly multifunctional cutting device comprises a fixing frame. A machine body shell is fixedly connected to the upper end of the fixing frame. The lower end of a first drive motor is fixedly connected with a mounting shell through a first telescopic rod. A rotary shaft is arranged on one side of a second drive motor. A cutting blade is arranged in the center of the outer wall of the rotary shaft. Shock absorption devices are symmetrically arranged on the two sides of the lower end of the mounting shell. Suction hoods are symmetrically arranged on the two sides of the outer wall of the machine body shell. A water inlet pipe is inserted into one side of the outer wall of each suction hood. The two sides of the end, penetrating the outer wall of the corresponding suction hood and extending inwards, of each water inlet symmetrically communicate with water spray pipes. Multiple spray nozzles are uniformly arranged on one side of the outer wall of each water spray pipe. A bottom plate is arranged at the upper end of the fixing frame. Sliding blocks are symmetrically and fixedly connected to the two sides of the bottom of the bottom plate. The environmental-friendly multifunctional cutting device is simple in structure and easy to operate and has the positioning clamping and dust removal functions, meanwhile the machining quality is improved, and the pollution to the environment is avoided.

The invention provides a rotary furnace low-order powdered coal pyrolysis upgrading method with coal gas circulation. The rotary furnace low-order powdered coal pyrolysis upgrading method comprises the following steps: heating and drying raw material powdered coal with the granularity less than or equal to 30mm to be 110-280 DEG C in a low-order powdered coal rotary drying system with dust collection, and removing 85% of coal dust with the granularity less than 0.5mm in the powdered coal; feeding the dried coal with the granularity of 0.5-30mm to a downstream rotary pyrolysis system to react at 500-700 DEG C so as to generate upgraded coal and a high-temperature oil gas; feeding the high-temperature upgraded coal to a rotary cooling passivating furnace for primary cooling and medium / low temperature passivation, further cooling by using a spiral cooling machine, spraying water, and discharging out the product; feeding the high-temperature oil gas into an oil gas recycling system, and performing temperature reduction separation, thereby obtaining coal tar, pyrolysis water and pyrolysis coal gas; preheating a part of the pyrolysis coal gas, circulating back to the pyrolysis furnace, and discharging out the rest part of the pyrolysis coal gas.

The invention discloses an automatic assembly method for orthotropic plate unit U-shaped ribs. The method comprises: S1, molding U-shaped ribs; S2, blanking a bridge deck slab and forming a U-shaped rib assembly locating line; S3, locating the U-shaped ribs on an area to be welded on the bridge deck slab through a U-shaped rib assembly locating device; S4, clamping the U-shaped ribs through the U-shaped rib assembly locating device; S5, using a welding robot for U-shaped rib fillet welding positioned welding; and S6, repeating the steps till U-shaped ribs on the whole plate unit are assembled and subjected to positioned welding. The method has the advantages of being high in assembly accuracy and assembly production efficiency, stable in welding quality and the like of orthotropic plate unit U-shaped ribs and is high in applicability, capable of being popularized and applied in manufacture fields of steel structures such as ship steel structures, mechanical steel structures and building steel structures and wide in the application range.

The invention discloses an intelligent monitoring device with the function of dust removal. The intelligent monitoring device with the function of dust removal comprises a machine body; a camera is fixed at the obverse side of the machine body; the obverse side of the camera is equipped with high definition glass; the left and right sides of the obverse side of the machine body are fixed with first fixed blocks and second fixed blocks; the first fixed block is located above the second fixed block; a sliding rod is fixed between the first fixed block and the second fixed block; the left and right sides of the sliding rod are fixed with limit bars. According to the invention, the sliding rods, the first fixed blocks, the second fixed blocks, the sliding blocks, grooves and the limit bars areset up to make the sliding blocks slide up and down on the sliding rods, and a dust removing cylinder on the sliding blocks can move up and down. The grooves are clamped on the limit bars, so that the sliding blocks move more stably; and a dust removal brush scrubs the camera and the high definition glass, therefore, the camera is clearer when videotaping, and the camera can work properly.

The invention relates to the technical field of mechanical equipment, and discloses a grinding machine with the dust removal function. The grinding machine comprises a grinding box, a motor is fixedlyarranged on the inner top wall of the grinding box, the output end of the motor is fixedly connected with a transmission shaft, the end, away from the motor, of the transmission shaft is fixedly provided with a grinding wheel, and a worktable is fixedly connected to the middle of the inner bottom wall of the grinding box. According to the grinding machine with the dust removal function, through an air inlet pipe, under the effect of an air blower, dust in the grinding box can be blown, through the effect of an exhaust fan, the dust enters a dust collection box through a dust suction pipe anda connecting pipe, through a sliding plate, under the effect of a connecting rod, a sliding block is pushed to move towards the two sides, under the effect of a spring, a supporting column can be reset, noise generated during work can be avoided, it is ensured that the work environment is better, and work fatigue of a worker is reduced.

The invention discloses an ore cutting device with dust removal function, which comprises a dust collecting device and a cutting table, a baffle plate and a fixed base are installed above the cutting table, and a dust suction pipe is arranged on the left side of the baffle plate. A blower is arranged on the right side of the baffle, a crossbeam is installed above the fixed base, a mobile frame is installed above the crossbeam, an electric telescopic rod is connected below the mobile frame, and an electric telescopic rod is connected below the electric telescopic rod. A rotating block is installed, a cutting device is installed under the rotating block, a cutting knife is installed inside the cutting device, a supporting plate is installed under the cutting device, and a shock absorbing device is passed between the cutting table and the base connection, a control box is installed above the base, a motor unit is installed inside the control box, a support frame is installed above the control box, and a stone is placed on the right side of the support frame. The invention has the advantages of simple structure, reasonable design and simple operation, and is worth popularizing.

The invention discloses a textile storage box with the dehumidifying and dedusting functions and relates to the technical field of textile storage equipment. The textile storage box comprises a bottomplate, and the top of the bottom plate is fixedly connected with a storage box body. A supporting plate is fixedly connected between the two sides of the inner wall of the storage box body, and the bottom of the inner wall of the storage box body is fixedly connected with a motor through a connecting block. The outer surface of an output shaft of the motor is sleeved with a first bevel gear, a rotating shaft is rotatably connected to the position, located on one side of the motor, of the bottom of the inner wall of the storage box body through a bearing seat, and the top end of the rotating shaft penetrates through the supporting plate and extends to the top of the supporting plate. According to the textile storage box with the dehumidifying and dedusting functions, the working time of production staff is greatly saved, the work burden on the production staff is relieved, the interior of the storage box body is quickly and conveniently dehumidified and dedusted, and the purpose that the production staff only need to operate a control switch, and then the interior of the storage box body can be dehumidified and dedusted is achieved.

The invention provides a gas sampler with a dedusting function. The gas sampler with the dedusting function comprises a sampling pipe, a gas sampling port, a piston, a piston pull rod, an atomizing device, a refrigerating semiconductor, a blow-down valve and a gas sampler shell, wherein the gas sampling port is arranged in one end of the sampling pipe, and is provided with a group of unidirectional gas intake valves and unidirectional gas exhaust valves; the piston is arranged in the sampling pipe; the piston pull rod is connected with the piston and extends out of the other end of the sampling pipe; the atomizing device is used for spraying water mist into the sampling pipe; the refrigerating semiconductor is arranged on the outer side of the sampling pipe; and the blow-down valve is arranged on a part, which is close to the gas sampling port, of the sampling pipe. The invention also provides a rear-mounted dedusting method. The gas sampler with the dedusting function and the rear-mounted dedusting method provided by the invention have the advantages of convenience in carrying, low cost, high efficiency, good dedusting effect, and no influence to the environment humidity.

The invention discloses an electric power communication equipment box having a dedusting function. The electric power communication equipment box comprises a bottom board, wherein a top portion of the bottom board is fixedly connected with a box body, a surface of the box body is fixedly connected with a controller, the top portion of the bottom board is fixedly connected with a dust suction box at a left side of the box body, a left side of the dust suction box is communicated with an air drawing fan, the position of the left side of the dust suction box corresponding to an air drawing pipe of the air drawing fan is provided with a filtering net, and positions of the box body corresponding to the dust suction box are provided with openings for matching. The electric power communication equipment box having the dedusting function is advantaged in that dust in the box body can be effectively suctioned, the dust can be prevented from falling onto components in the box body, damage to the components can be prevented, problems of mess of the box body caused by dust entering the box body through heat radiation openings arranged on the box body after long-time use and damage to each component because of dust in the box body can be solved, and service life of each component is prolonged.

The invention discloses a scrap steel preheating-type heating furnace for steel production conducted through a medium-frequency electric furnace and belongs to the technical field of heating devices. The scrap steel preheating-type heating furnace comprises the medium-frequency electric furnace, a heating furnace body, a conveying device and a backflow cover. The conveying device is arranged below the heating furnace body. A feeding opening and a discharging opening are formed in the two sides of the heating furnace body respectively. The backflow cover is installed on the side face of the heating furnace body in a supported mode through a hydraulic oil cylinder. According to the scrap steel preheating-type heating furnace for steel production conducted through the medium-frequency electric furnace, producer gas is adopted for heating, a gas source is obtained conveniently, and the price is low; scrap steel is preheated, so that a smelting period is shortened, and the productivity is improved; waste heat is used for heating the scrap steel, so that the energy utilization rate is increased; the moist scrap steel can be dried, the scrap steel with oil dirt and paint is completely combusted in advance, and thus splashing and losses of small iron particles are avoided; automatic and continuous preheating and feeding are achieved, so that manpower is saved while the labor intensity is lowered.

The invention provides spinning equipment with a dedusting function, and relates to the field of textiles. The spinning equipment with the dedusting function comprises a spinning worktable; the two sides of the top of the spinning worktable are both fixedly connected with supporting rods, and the bottom of the inner wall of each supporting rod is fixedly connected with a base; the end, away from the inner wall of the corresponding supporting rod, of each base is fixedly connected with a first motor, the output end of each first motor is fixedly connected with a threaded rod, and the end, away from the corresponding first motor, of each threaded rod is in threaded connection with a bearing base. The spinning equipment with the dedusting function is simple in structure and convenient to operate; a fixation box is arranged in an air suction opening, and a second motor in the fixation box rotates, so that a brush on a fixation plate rotates through a rotating rod, the brush rotates to make debris and dust on cloth fly up, and therefore the spun cloth is dedusted more thoroughly through the air suction opening, and the problem is solved that current spinning equipment does not have the dedusting function.

The invention discloses a subpressure ignition control device which is hard to loss effect and is used for sintering an iron ore. The device includes an air box body, the vertical tube of the air box connected on the body of the air box as well as a large flue and a by-pass pipe connecting the vertical tube of the air box and the large flue; a clapboard is arranged in an access between the vertical tube of the air box and the by-pass pipe; the clapboard is fixed on the inner wall of the access so as to lead an air flow to pass through from the lower part of the access. A bending tube provided with the clapboard is connected between the air box and the by-pass pipe to lead the air box to have the function of dust removing and lead a bulk to be deposited at the bottom part of the bending tube and to be incapable of entering the by-pass tube, thus avoiding the by-pass tube from plugging; an electric flap the opening of which can be controlled is arranged in the by-pass tube to control the subpressure of the lower surface of an ignition air box; the bottom part of the bending tube is provided with a double-layer ash discharge valve which is convenient for cleaning sediments. The subpressure ignition control device of the invention can flexibly and effectively control the subpressure of the ignition air box and the subpressure of a hearth, maintain the normal running of the sintering process, save the energy consumption for ignition and is applicable for the ignition and sintering of a sintering machine by a v-ti magnetite concentrate ore in particular.

The invention relates to a router with a good heat dissipation effect and a dust removal function, comprising a shell, a support, a telescopic mechanism, two rotating plates and two supporting mechanisms, a dredging mechanism comprises a first motor, a rotating shaft, a bearing block, a limit slot and at least two dredging components, each dredging component comprises a rotating wheel, a driving rod, a driven rod, a limit block and a dredging block, and the telescopic mechanism comprises an air pump, a cylinder barrel, a piston rod and a transmission block. The router with the good heat dissipation effect and the dust removal function has the advantages that dust in a ventilation opening of the shell is eliminated by virtue of the dredging mechanism, dust accumulation is avoided, ventilation effect can not become worse, and heat dissipation performance can not be reduced, so that the heat dissipation effect of the router is enhanced; and a placement angle of the shell can be regulatedby virtue of the telescopic mechanism, and one complete plane of the shell is avoided from being contacted with ground or a table top, so that the heat dissipation performance can be further improved.

The invention relates to the technical field of textiles, and discloses a cloth winding device having a dust removal function and used for textiles. The cloth winding device comprises a supporting base. The top of the supporting base is fixedly connected with a supporting frame. Bearings are connected to the supporting frame in a clamping manner. A rotating shaft is connected in the bearings in a sleeving manner. The surface of the rotating shaft is fixedly connected with a first gear. The first gear is engaged with a second gear. The second gear is fixedly connected to an output shaft of a motor. The motor is fixedly connected to one side of the supporting frame. According to the cloth winding device having the dust removal function and used for the textiles, by arranging a supporting rod, a brush plate, an empty groove, air blowers and bristles, dust removal can be better conducted when cloth is wound, the problem that an existing cloth winding device does not have the dust removal function when the cloth is wound is solved, and therefore the situation that dust is attached to the back face of the cloth after the cloth is wound is avoided, and appearance of the cloth can be better when the cloth is sold in the later period.

The invention discloses a communication case with a dedusting function. The communication case comprises an outer frame, wherein the left side of the outer frame is fixedly connected with an electricity box; the left side of the inner wall of the electricity box is fixedly connected with a first motor; one end of the output shaft of the first motor passes through the outer frame and extends to the interior of the outer frame; the end, positioned at the exterior of the outer frame, of the first motor is fixedly connected with a lead screw; the surface of the lead screw is in threaded connection with a moving block; the bottom of the moving block is fixedly connected with a spray head; the right side of the outer frame is fixedly connected with a motor plate; the top of the motor plate is fixedly connected with a second motor; and one end of the output shaft of the second motor is fixedly connected with a first belt wheel. The invention relates to the technical field of communication cases. The communication case with the dedusting function achieves the goal of blowing away dust, and deposited dust can be blow away, so that the dedusting process is easier, dust at different positions can be blown away respectively, communication equipment can be prevented from being damaged by dust, and unnecessary economic losses are avoided.

The invention discloses a parts processing and cutting device with the function of dust removal, which comprises a fixed box, a first partition is fixedly connected between the two sides of the inner wall of the fixed box, and the bottom of the inner wall of the fixed box and the first partition are fixed. A second partition is fixedly connected between them, the bottom of the inner wall of the fixed box is fixedly connected with a motor, and the output shaft of the motor is fixedly connected with a first pulley, and the surface of the first pulley is connected with a second belt through a belt drive. wheel, and the shaft center of the second pulley is fixedly connected with a transmission shaft, and the surface of the transmission shaft is fixedly connected with a cutting piece. The invention relates to the technical field of mechanical processing equipment. The parts processing and cutting device with the function of dust removal enables the cut dust and cuts to fall into the dust storage box through the dust leakage hole and the dust leakage hole, and the dust will be blown into the dust storage box by the wind. The dust storage box is cleaned with water by the nozzle, so that the cutting device can be cleaned quickly and completely after use, and the dust removal effect is good.

The invention discloses bearing grinding equipment with a dust removing function and relates to the technical field of bearing production. The bearing grinding equipment with the dust removing function comprises a dust removing mechanism, wherein a supporting platform is fixedly arranged at the top of the dust removing mechanism; in addition, the dust removing mechanism is fixedly arranged at thetop of the supporting platform; a grinder is arranged at the bottom of the supporting platform; one side of the bottom of the dust removing mechanism is fixedly connected with the top of a damping mechanism; two supporting plates are respectively and fixedly connected to two sides of the bottom of the dust removing mechanism; in addition, two opposite sides of the two supporting plates are respectively and fixedly connected with two sides of the dust removing mechanism. According to the bearing grinding equipment with the dust removing function, the connecting block is arranged at the bottom of a shunting tube, and the position of a fan on the supporting platform can be effectively fixed; a damping spring is arranged in a supporting block and is matched with a damping plate, so that the vibration of the fan in the working process can be effectively buffered.

The invention relates to the field of window nets, and in particular, relates to an anti fog and haze window net. The anti fog and haze window net provided by the invention includes an outer-layer dedusting window net and an inner-layer purifying window net; the outer-layer dedusting window net mainly filters dust in air, and the inner-layer purifying window net mainly plays roles in adsorbing and filtering bacteria in the air and harmful chemical gases in automobile exhaust gas, so the anti fog and haze window net provided by the invention not only has the dedusting function, but also has the functions of filtering the bacteria and the harmful chemical gases. The anti fog and haze window net provided by the invention can effectively control and improve the high-altitude indoor air quality in a haze weather, absorbs harmful bacteria, microorganisms and dust in the air to a greatest extent, plays a great role in protecting body health of indoor occupants, is of great significance to maintain the body health of all urban residents in future urban construction, and also plays a key role in improvement of the urban living environment in the future.

The invention provides a dustproofing type deburring device for a kerf of a steel pipe, and relates to the technical field of steel pipe processing. The device comprises a device body, wherein the device body comprises a frame body, a grinding device, a transmission device, a dust collecting device and a clamping device; the grinding device comprising a supporting column is sleeved with the framebody; the top part and the bottom part of the side surface of the supporting column are correspondingly fixedly connected to the right sides of two connecting frames through telescoping devices; and each telescoping device comprises a first electric telescoping rod. According to the dustproofing type deburring device for the kerf of the steel pipe, the grinding device, the supporting column, the connecting frames, moving blocks, moving rods, a side plate, returning springs and a threaded rod are arranged, so that the effect of deburring the kerf of the steel pipe can be achieved; the device isconvenient and quick to adjust to fit different steel pipes with different size and specification; and the processing quality is improved.

The invention relates to high-machining-precision laser engraving equipment with a dust removal function. The High-machining-precision laser engraving equipment comprises a main body, a workbench, a laser head and two supports, wherein the main body is arranged right above the workbench, the two sides of the main body are fixed on the top of the workbench through two supports, the laser head is arranged at the bottom of the main body, a laser generating device is arranged in the main body, the laser generating device is connected with the laser head, and the main body is provided with a dust collecting mechanism and a cleaning mechanism; the dust collecting mechanism comprises a fixing tube, a lifting tube, two lifting assemblies and two collecting assemblies; and the cleaning mechanism comprises a rotating assembly, a driving assembly and two connecting assemblies, and the rotating assembly comprises a rotating disc, a cleaning disc, at least three connecting balls and at least threeconnecting rods. According to the High-machining-precision laser engraving equipment with the dust removal function, the function of collecting dust through the dust collecting mechanism is achieved;and in addition, the function of cleaning impurities on a workpiece to be machined is achieved through the cleaning mechanism.

The invention relates to the technical field of rice processing, and discloses a rice production sand and gravel filter device with a dust removal function. The rice production sand and gravel filterdevice includes a device box, a feeding port is formed in the upper end of the right side wall of the device box, a fixed plate is fixedly installed between the front and rear inner walls of the device box, a movable fixed frame penetrates through the fixed plate, two screens and two leading plates are fixedly installed on the front face of the fixed frame, the top of the fixed frame is fixedly provided with a push plate, a support spring is fixedly installed between the bottom of the push plate and the top of the fixed plate, and a motor and a receiving box are fixedly installed on the innerbottom wall of the device box. The rice production sand and gravel filter device solves the problems that an existing rice sand filtering device is low in efficiency, filtering of impurities is incomplete, dust caused by vibration cannot be effectively controlled, and pollution to the environment is caused.

The invention relates to the technical field of peach processing equipment, and discloses a vibrating screen type peach peeling device by a fire method, having a dust removal function. The vibrating screen type peach peeling device by a fire method, having a dust removal function comprises a box body, wherein a feed hopper is in fixed communication with the top of the box body, a vibrating screenis in sliding connection to the inner part of the box body, an electric push rod is fixedly connected to the side wall of the box body, a pull rod is fixedly connected to one end of the electric pushrod, the pull rod is fixedly connected with the side wall of the vibrating screen, and a bar-shaped opening corresponding to the pull rod is formed in the side wall of the box body. According to the vibrating screen type peach peeling device by a fire method, having a dust removal function disclosed by the invention, dust generated during processing peaches can be conveniently treated, baked peaches can be conveniently subjected to peeling treatment, and besides, the treatment efficiency is high; in addition, flesh of peeled peaches can be conveniently flushed, so that the clean degree of theflesh of the peaches is increased; and besides, water for peeling and flushing can be conveniently filtered, so that water resources are saved.

The invention discloses a dust testing experiment system of a ventilation flow field. The dust testing experiment system of the ventilation flow field comprises an annular air duct and a branch air duct communicated with the middle of the annular air duct; the dust testing experiment system of the ventilation flow field further comprises four sets of dust concentration sensor assemblies, data acquisition instruments, a dedusting module, a dust storage tank, a speed adjusting motor, a fan, three air velocity sensors, an adjusting knob, sampling openings, control dampers and the like. By means of the dust testing experiment system of the ventilation flow field, research on an air flow distribution dust concentration change rule and a settlement rule of dust with different particle sizes in a closed space is facilitated, and a powerful practice platform is provided for the research on dust detection and dust prevention and control technologies of the ventilation flow field.

The invention relates to a vehicle-mounted GPS navigation device with a good anti-shake effect and a dust removal function. The vehicle-mounted GPS navigation device comprises a main body, a mountingplate and a display screen; the main body is in a cuboid shape, and the display screen is arranged on one side of the main body; the mounting plate is located on the other side of the main body and isparallel to the display screen; a GPS navigation system is arranged in the main body, and a connecting mechanism and a dust removal mechanism are arranged on the main body; the connecting mechanism is arranged between the main body and the mounting plate, and the connecting mechanism comprises a rotating assembly and a buffering assembly; the rotating assembly comprises a fixing rod, a rotating shaft and two bearing seats; and the buffering assembly comprises a fixing pipe, a movable plate, a push rod and a spring. According to the vehicle-mounted GPS navigation device with the good anti-shake effect and the dust removal function, the damping function is achieved through the connecting mechanism, the device is prevented from being shaken and then destroyed, and not only that, the dust removal function is further achieved through the dust removal mechanism.

The invention discloses an ore recovering and pulverizing machine with a dust removal function, comprising a box body, wherein two sides of the back of the inner wall of the box body are both fixedlyconnected with a first motor, the output shaft of the first motor is fixedly connected with the smashing wheel, the axis position of the smashing wheel is rotationally connected with one side of the inner wall of the box body by a support frame, the tops of two sides of the box body are both fixedly connected with a water tank, a water pump is fixedly connected to the bottom of the inner wall of the water tank, and a first sloping panel is fixedly connected between two sides of the top of the inner wall of the box body and between the tops of two sides. The invention relates to the technical field of ore recovering and pulverizing equipment. The ore recovering and pulverizing machine with a dust removal function can perform dual smashing on ores, so as to increase the smashing effect, andreduce working time; water spraying treatment can be performed on the ores during smashing, so as to avoid generation of dust; smashed ores can be conveniently sent out of the box body, so as to reduce the workload of workers; and a filtering plate is convenient to take down to be cleaned.

The invention discloses an air purifier and an achieving method thereof. The air purifier comprises a sealed cabin divided into a left heating regeneration chamber and a right air purification chamber, and a pressure release valve, air channels and sensors are arranged on the cabin wall of the sealed cabin, wherein the pressure release valve is mounted on the cabin wall of the heating regenerationchamber and communicates with the outdoor space in a through-wall mode, the air channels controlled by electric-control air valves to be opened / closed to communicate with the outdoor space in a through-wall mode are formed in the lower wall of the air purification chamber, and the sensors for measuring the air temperature are arranged in indoor and outdoor spaces correspondingly. According to theachieving method, during pressure releasing of the pressure release valve, secondary pollution cannot occur to the indoor space; when desorption is conducted, if the outdoor air temperature is largerthan the indoor air temperature but smaller than or equal to 65 DEG C, outdoor air enters the cabin, so that the outdoor temperature serves as the initial temperature during desorption or directly serves as the desorption temperature; the pollution discharge duration is controlled through a timing temperature increasing and measuring method, and it is ensured that after pollution discharge is finished, the cabin interior temperature adapts to the indoor temperature; in the pollution discharge process, dust removal is achieved through control over positive and negative rotation of a draught fan; and whether blocking occurs or not is distinguished according to the flow rate, and real-time dust removal is achieved.

The invention discloses a blind window with a dustproof function. The blind window comprises an upper rail, blades, a lower rail and two hoisting ropes, wherein the upper rail and the lower rail are distributed in parallel; the plurality of blades are arranged between the upper rail and the lower rail; the upper rail is internally provided with a tubular motor; the tubular motor drives a coiled pipe to rotate; the coiled pipe is provided with two winders; each winder is wound by a lifting rope; each lifting rope stretches out of the upper rail and penetrates through each blade to extend to the lower rail; the blades are made of metal sheets; the upper rail is internally provided with a shunt; the shunt divides an input power line into two paths; one path drives the tubular motor to drive the coiled pipe to rotate; the other path is converted into direct current through an alternating-direct-current conversion device; an anode and a cathode of direct current are respectively connected into one lifting rope; the anode and the cathode are respectively connected to a resistor internally arranged in the lower rail through a direct-current power supply electrode; the resistor is welded with a plurality of electrodes; all the electrodes are mutually insulated; a lead wire bundle is combined by lead wires; and the lead wire bundle is led out from the lower rail and extends upwards, and penetrates through each blade to supply power to each blade.

The invention discloses a grinding machine with a dust removing function. The grinding machine comprises a base; a grinding machine body is arranged on the left side of the top of the base; the two sides of the bottom of the grinding machine body are fixedly connected with the top of the base through support columns; stand columns are fixedly connected to the two sides of the top of the grinding machine body; and a dust sucking cover is arranged at the top of the grinding machine body. Through matching use of a fixed plate, a sewage pipe, a dust collecting box, a filter plate, the support columns, the stand columns, a connecting rod, the dust sucking cover, a dust sucking pipe, a dust removing pipe, a fan, a water sucking pipe, a floating rod, a water adding pipe, a water tank, a dirt discharge pipe, a floating ball, a filter screen, a water pump, a water transmission pipe, a nozzle and a drainage pipe, the problem of no dust removing function in a traditional grinding machine is solved, the grinding machine can remove dust generated in the machining process without influencing the health of operators, meanwhile, the damage problem of the grinding machine caused by accumulation ofdust on the grinding machine cannot be generated, and the practicability of the grinding machine is improved.

The invention discloses an intelligent computer case. The intelligent computer case comprises a case body, a case door, bases, cooling holes, a scraper plate, a dust collector, a servomotor, an electric control box, a smoke sensor, a discharge pipe, an electromagnetic valve, a carbon dioxide fire extinguisher, a screw rod, a sliding rail, a sliding block, first dust collection holes, a hairbrush,second dust collection holes, a timer, a PLC controller and a suspended dust removal apparatus, wherein the case door is fixed on one side of the case body through bolts; the bases are fixed at the four corners of the bottom of the case body by welding; the cooling holes are formed in two corresponding sides of the case body; the sliding rail is fixed on one side, close to the cooling holes, of the inner walls of the two corresponding sides of the case body through bolts; the servomotor is fixed at the bottom of the sliding rail through bolts; the inner walls of the two corresponding sides ofthe sliding rail are connected through the screw rod; the sliding block is mounted on the screw rod; and the scraper plate is mounted on one side of the sliding block. The computer case has quick andefficient dust removal and fire extinguishment functions; and the use convenience is effectively improved.