32results about How to "Prevent flying phenomenon" patented technology

The invention discloses a dust collecting device for an electric tool, and belongs to the technical field of electric machines. The dust collecting device includes a dust collecting box, a dust collecting tube connected with the air inlet of the dust collecting box, and a first filter screen arranged at one end, far from the dust collecting tube, in the dust collecting box, the periphery of the first filter screen is abutted against the inner wall of the dust collecting box, and an air outlet is arranged at one end, correspondingly provided with the first filter screen, of the dust collecting box; the periphery of the tube orifice of one end, far from the dust collecting box, of the dust collecting tube, is connected with a dust shield, and a fan is arranged at one end, far from the first dust collecting tube, in the dust shield; an alarm is arranged outside the dust collecting box, a sensor and a chamber are arranged in the dust collecting box, the sensor is arranged at the upper portion of the dust collecting box and at one side, far from the air inlet, of the dust collecting box, and a controller connected with the alarm, the sensor and the fan is arranged in the chamber; and the dust collecting box is connected with an electric tool body. The dust collecting device can effectively prevent the dust flying phenomenon in the working process of the electric tool, and also can prevent the influences of excessive dusts in the dust collecting box on the dust collecting effect.

The invention discloses a mining spiral feeder. The mining spiral feeder is composed of a body, a frame and wheels; the body is hinged to the frame; the wheels for moving back and forth are symmetrically mounted at the bottom of the frame. The body comprises an explosion-proof motor, a burdening mechanism and a water spraying device, all of which are located on the same inclined surface; the explosion-proof motor is mounted at the bottom end of the body and used for driving a cam vibrating screen mechanism and a stirring conveying trough. The cam vibrating screen mechanism is arranged under the burdening mechanism; the stirring conveying trough is arranged under the cam vibrating screen mechanism; the burdening mechanism is communicated with the stirring conveying trough by use of the cam vibrating screen mechanism. The mining spiral feeder has the advantages of reducing the underground operating personnel, saving the material cost, reducing the labor intensity of workers and improving the field operating environment; meanwhile, the guniting feeding is also even and the guniting quality is improved certainly.

In an image forming apparatus provided with an organic photoreceptor; a developing device to bring a developing brush in contact with the organic photoreceptor so as to visualize an electrostatic latent image to toner image; a transfer device; and an agent supplying device to provide a surface energy lowering agent to the surface of the organic photoreceptor. The electrostatic latent image is visualized to the toner image while the developing sleeve is rotated in a direction counter to that of the organic photoreceptor at the developing section.

The invention discloses a water seepage structure of a road with a waterproof road surface and a transformation method, and belongs to the field of municipal engineering. The water seepage structure comprises a plurality of water seepage pipes with water seepage holes in the periphery, a water seepage ditch is arranged at one end of each water seepage pipe, filter nets are arranged on pipe openings and orifices of the water seepage pipes, the water seepage pipes are arranged below a road rammed earth layer, the water seepage ditches are arranged below a green belt or a sidewalk, the bottoms of the water seepage ditches are backfilled with stone or sand, the top layers of the water seepage ditches are provided with green belts or cement bricks, the water seepage ditches are communicated with the curb, overflowing openings are formed in the water seepage ditches, road water overflowing can be relieved by means of the water seepage structure and construction method, disaster caused by unsmooth road accumulated water is avoided, the road water seepage speed and water seepage total quantity are improved, the underground conservation is improved, the modification cost is lowered, and the building cost is saved.

The invention discloses a sweeping brush of a road sweeper with a dust reduction device, which comprises an upper casing, a driving device is fixedly installed on one side of the upper casing, and a driving gear is fixedly installed at the power output end of the driving device. The upper part of the upper casing is fixedly connected with a connecting frame through a flange, one side of the connecting frame is fixedly connected with a water inlet pipe, and the lower side of the upper casing is fixedly installed with a lower casing through fastening screws. A driven gear is installed in the inner cavity of the lower casing through bearing rotation, and the lower side of the driven gear is fixedly connected with the upper part of the turntable through fastening screws, and water outlet pipes are evenly distributed in the inner cavity of the turntable, so A water spray head is fixedly installed at one end of the water outlet pipe, and a rotating joint is fixedly installed at the middle part of the inner chamber of the turntable. The invention has a simple structure, can absorb the dust particles raised by the brush, effectively prevents the phenomenon of flying dust caused by the high-speed rotation of the brush, is convenient for disassembly and assembly, is convenient for maintenance and replacement, and has low production cost.

The invention discloses an electric drill capable of absorbing dust and reducing vibration and belongs to the technical field of electric machinery. The electric drill comprises a drill bit, a drill body, a handle and a dust absorption device which are connected with one another, and the dust absorption device is connected with the drill body. The dust absorption device comprises a dust collection box, a dust absorption pipe connected with an inlet of the dust collection box, a first filtering mesh and a pressure sensor, wherein the first filtering mesh is arranged in the dust collection box and is away from one end of the dust absorption pipe, and the pressure sensor is arranged on the outer surface of the dust absorption pipe; the end, away from the dust collection box, in the dust absorption pipe is provided with a draught fan for sucking dust, and the end, correspondingly provided with the first filtering mesh, of the dust collection box is provided with an outlet; the dust collection box is furthermore internally provided with a cavity with a flip cap, and the cavity is internally provided with a controller connected with the pressure sensor; and the drill body is furthermore internally provided with a vibration reduction mechanism. By means of the electric drill, the phenomenon of flying dust in the work process of the electric drill can be effectively prevented, the dust absorption device in the electric drill can also be controlled intelligently to move along a sliding rail, and thus the situation that the dust absorption pipe in the dust absorption device is excessively pressed by the wall or the ground and damaged is prevented.

The invention discloses a sound-insulating film-coated cotton, which comprises glass wool. The top surface and both sides of the glass wool along its length direction are covered with an upper plastic film and extend toward the bottom surface. There is a lower plastic film, and the lower plastic film is covered and connected to the upper plastic film; the two ends of the upper plastic film and the lower plastic film along the length direction are sealed by a hot-melt machine. The six sides of the glass wool of the present invention are covered with a layer of plastic film, which has a certain moisture-proof effect, and can prevent a large amount of cotton wool and cotton dust from flying and polluting the environment during use, and absorbs noise by using the holes on the plastic film.

The invention discloses a wind turbine blade flash cutting device. The wind turbine blade flash cutting device comprises a U-shaped bracket, a cutting mechanism, a clamping mechanism and telescopic devices. The clamping mechanism is installed at the bottom of the U-shaped bracket. The cutting mechanism is mounted above the clamping mechanism and comprises a dust screen cover, a driving motor and acutting disc. The cutting disc is installed in the dust screen cover. The driving motor is installed at the upper end of the dust screen cover. The driving motor drives the cutting disc to rotate. Mounting grooves are formed in the inner sides of the two edges of the U-shaped bracket correspondingly. The telescopic devices are arranged in the mounting grooves. Connecting rods are arranged on thetwo sides of the dust screen cover. The upper ends of the telescopic devices are fixed to the connecting rods on the two sides of the dust screen cover. The wind turbine blade flash cutting device isprecise in cutting and high in cutting efficiency.

The invention relates to a dust falling device for a building block cutting machine. The dust falling device comprises a main box body, wherein a dust inlet is formed in the top surface or the side surface of the main box body; a dust outlet is formed in the other side surface of the main box body and is connected with one end of an auxiliary box body; the other end of the auxiliary box body is connected with a dust collecting bag; and the cross section area of the auxiliary box body is gradually reduced from the end connected with the dust outlet to the end connected with the dust collecting bag. The dust falling device for the building block cutting machine can effectively prevent the circumstance of dust flying in a cutting site, and is simple in structure; and the dust inlet can be formed in the top surface of the main box body and can also be formed in the side surface of the main box body, so that the dust falling device can be suitable for building block cutting machines in different types.

The invention discloses an integral pipe body cutting and stacking mechanism for a car. The integral pipe body cutting and stacking mechanism comprises a cutting mechanism, a transferring mechanism and a stacking mechanism. The cutting mechanism is used for cutting straight pipes to be cut. The transferring mechanism is used for conveying the cut straight pipes to the stacking mechanism to be stacked. The cutting mechanism comprises a first conveying device, a straight pipe aligning and blanking device, a rotary feeding device, a cutting machine, a second conveying device and a leftover material separating device. The invention further discloses a method for using the integral pipe body cutting and stacking mechanism for the car to cut and stack pipe bodies for the car. The integral pipe body cutting and stacking mechanism has the beneficial effects that the cutting efficiency is improved, the cutting precision is high, cut leftover materials can be separated conveniently, and the straight pipes can be stacked conveniently.

The invention discloses an intelligent ultraviolet glazing machine comprising a rack; the rack is provided with a paper feeding table, and the top of the rack is provided with a conveying belt; a negative pressure fan is mounted inside the rack; an air suction pipeline is mounted above the negative pressure fan; a powder removal mechanism is arranged above the rack; a powder removal roller is arranged inside the powder removal mechanism, and the side of the powder removal mechanism is provided with a servo motor; and one side of the powder removal mechanism is provided with a primer coating mechanism. According to the intelligent ultraviolet glazing machine, the negative pressure fan is arranged inside equipment, and paper sheets can be adsorbed by the negative pressure fan through an air suction hole, so that a paper sheet flying phenomenon caused by a wind effect in an operation process of the equipment is avoided; and when the paper sheets are adhered to a rubber coating roller, the paper sheets and the rubber coating roller can be separated by a cutting head, the normal conveyance of the paper sheets is ensured, and manual removal by stopping the machine by working staff is not needed, so that the production efficiency is increased, and the stable processing for the paper sheets during processing is ensured.

The invention discloses a dust suction device for an electric tool, which belongs to the technical field of electric machinery. The dust suction device includes a dust collection box, a dust suction pipe connected to the air inlet of the dust collection box, and a first filter screen disposed in the dust collection box and away from one end of the dust collection pipe, and the periphery of the first filter screen abuts against the dust collector. On the inner wall of the dust box, an air outlet is provided at one end of the dust collection box corresponding to the first filter screen; a dust suction hood is also connected to the periphery of the nozzle of the dust suction pipe away from the end of the dust collection box, and the inside of the dust suction hood is far away from the first dust suction. There is a fan at one end of the tube; an alarm is also provided on the outside of the dust collection box, and a sensor and a cavity are arranged in the dust collection box. A controller connected with an alarm, a sensor and a fan is arranged inside; the dust collecting box is connected with the electric tool body. The invention can not only effectively prevent the phenomenon of flying dust during the working process of the electric tool, but also prevent the effect of dust collection from being affected by too much dust in the dust collecting box.

The invention discloses a mining spiral feeding machine, which is composed of a fuselage, a vehicle frame and wheels. The fuselage is hinged on the frame, and the bottom of the frame is symmetrically equipped with wheels for advancing and retreating. The fuselage includes an explosion-proof motor, a batching mechanism, and a water spray device on the same slope. The explosion-proof motor is installed at the bottom of the fuselage. The explosion-proof motor is used to drive the cam vibrating screen mechanism and the stirring and conveying trough. The bottom of the batching mechanism is provided with a cam vibrating screen mechanism, and the bottom of the cam vibrating screen mechanism is provided with a stirring and conveying trough, and the batching mechanism is communicated with the stirring and conveying trough through the cam vibrating screen mechanism. The mining spiral feeder reduces the number of underground operators, saves material costs, reduces labor intensity, and improves the on-site operating environment. At the same time, the sprayed grouting material is also uniform, which improves the sprayed grouting quality.

The invention discloses a wood grinding and polishing device assisting in wood painting. The wood grinding and polishing device structurally comprises a grinding machine head, a connecting disc, a holding handle, heat dissipation holes, an external connecting wire, a speed adjustment device, a protective cover and a grinding disc. The grinding machine head is located at the left side of the connecting disc and fixedly connected with the connecting disc through screws. The connecting disc is fixedly buckled to the left side of the holding handle. The heat dissipation holes and the holding handle are of an integral mechanism component. The external connecting wire penetrates the right side of the holding handle and is connected to an electric system inside the holding handle. The grinding disc is horizontally fixed to the bottom of the grinding machine head and is in transmission connection with the grinding machine head. The protective cover is fixedly welded to the bottom of the grinding machine head, and the protective cover and the grinding disc are mounted on the same horizontal plane. After the device is improved, when the device is used for carrying out the grinding and polishing work, wood chippings and dust generated in the grinding process can be rapidly and effectively collected, and thus, the phenomena that the external wood chippings and dust fly everywhere and enterrespiratory tracts of workers to cause respiratory diseases are prevented.

The invention provides an adjustable tobacco equidistant dotting machine including handle, bracket and roller. Beam is set between the handle and bracket, the lower end face of the handle is connected with the upper end face of the beam, the bracket is located at the lower side of both ends of the beam, the upper end surface of the bracket is connected with the lower end face of the beam, a fixing axle is set at the lower end of the bracket, bearings are set at both left and right sides of the bracket on the fixing axle, the roller is located at the lower end of the bracket on the fixing axle, and bolts I are set along the radial direction on the roller evenly. The adjustable tobacco equidistant dotting machine provided by the invention has high accuracy, which can satisfy the principle that tobacco location based on three points with low production cost.

The invention discloses a building wall grinding device. The building wall grinding device is composed of a grinding head and a supporting rod, wherein the grinding head consists of a dustproof device, a handgrip, a connecting device connected with the supporting rod, pressing devices used for pressing abrasive cloth and a pressing table used for placing the abrasive cloth; the dustproof device isarranged at the periphery of the pressing table; the dustproof device consists of a cover plate, baffle plates and a material receiving box; the material receiving box used for receiving dust is arranged on the upper surface of the baffle plate at the upper side; a pressing slot is formed in the surface of the cover plate; pressing teeth for preventing the abrasive cloth from sliding are arrangedin the pressing slot; the two ends of the pressing slot are equipped with supporting blocks; the supporting blocks are fixedly connected with the cover plate; a pressing rod is arranged between slideslots; the pressing rod is in sliding connection with the slide slots; and the lower end of the handgrip is rotatably connected with the supporting rod through the connecting device. The device guarantees health of construction staff, can intensively collect and treat dust, and reduces follow-up workload.