31results about How to "Does not affect the working environment" patented technology

The invention discloses a local discharging sensor combining a graphene diaphragm with a micro optical fiber interference cavity and a detection method based thereon. The local discharging sensor comprises a tunable laser device (1), a laser device wavelength control module (2), an optical fiber circulator (3), monomode optical fiber (4), the micro optical fiber interference cavity (5), a photoelectric detector (6), a signal line (7), a filter (8) and a data collection card (9). A multilayer graphene membrane is adopted, so that detection sensitivity of the sensor is improved; on the basis ofstructure optimization design of the multilayer graphene membrane, the multilayer graphene membrane is enabled to adapt to local discharging detection frequency band requirements; a polyimide coatingis adopted to prolong service life of the multilayer graphene membrane; femtosecond laser is adopted to process the micro optical fiber interference cavity inside optical fiber, and a static-state working point is stabilized on the basis of laser device wavelength control. On the basis of optimization design of a detection device mounting mode, original working environment of electrical equipmentis unaffected during mounting of the local discharging sensor.

The invention provides photovoltaic welding strip alloy solder and a preparation method thereof. The raw material of the photovoltaic welding strip alloy solder comprises tin-lead alloy, bismuth, indium, phosphorus, cerium, neodymium and germanium. According to the photovoltaic welding strip alloy solder, the bismuth, indium, neodymium, cerium, germanium, gallium, phosphorus and copper are added into the tin-lead alloy, the melting point of the photovoltaic welding strip alloy solder is effectively reduced, the oxidation resistance, welding tension, expansion rate and fluidity of the photovoltaic welding strip alloy solder are improved, and the generation of slag soil is reduced. According to the photovoltaic welding strip alloy solder, the yield of tin products is improved, the productivity of hot tinning products is improved, the wettability of tin plating solution is improved, and other physical and mechanical properties of tin plating products are not affected; and the preparationmethod is simple, the cost is low, the daily maintenance and curing of an existing equipment are not affected, the environmental protection requirements are met, and the working environment of the production site is not affected.

The embodiment of the invention discloses a welding device with a smoke purifying function, comprising a columnar shell, wherein a gas inlet and a gas outlet are respectively arranged in the two end faces of the shell; a filter layer, a clapboard and a noise reduction and odor removal layer are arrayed in sequence from the end face where the gas inlet is arranged to the direction of the end face where the gas outlet is arranged; a fan is arranged on the clapboard and is used for driving gas entering the inside of the shell from the gas inlet to flow towards the gas outlet and discharging the gas out of the shell; a welding device drive module which is used for driving the welding device to work is arranged in a space which is encircled by the shell, the clapboard and the noise reduction and odor removal layer; the welding device is arranged outside the shell and is connected with the welding device drive module through a wire. By using the welding device with the smoke purifying function, the existing space which is used for the welding device is capable of containing a smoke purifier and the welding device simultaneously, the occupied space is reduced, and meanwhile, compared with the existing smoke purifier, the welding device with the smoke purifying function has the advantages that the cleaning is more thorough, the noise is small, and the working environment of operating workers is not influenced.

The invention discloses a low-noise ventilator which comprises a housing, wherein a base is mounted at the bottom end of the housing; a ventilation opening is formed in the base; an impeller and a motor are arranged in the housing; the impeller is mounted at the bottom end of the motor; a noise-reduction housing is mounted outside the motor; an air outlet is formed in the top end of the housing; and a filter screen is arranged at the air outlet. The low-noise ventilator has the following beneficial effects: the low-noise ventilator is simple in structure, small in size, convenient to maintain and convenient to operate and use; by adopting a double-layer housing structure, the low-noise ventilator can greatly reduce noise pollution, doesn't affect the working environment of workers and meanwhile is improved in stability; and an arranged heat dissipation layer can effectively prevent a motor overheating phenomenon and has high stability performance.

The invention discloses a multifunctional reciprocating type cut-to-size saw. The multifunctional reciprocating type cut-to-size saw comprises a machine main body, one side of the machine main body isprovided with three front workbenches which are arranged at equal intervals, the other side of the machine main body is provided with three rear workbenches which are arranged at equal intervals, a downwards pressing device is erected above the machine main body through a pair of cross beams, a plate fixing device is arranged across three rear workbenches, the plate fixing device comprises a transverse baffle plate on which a sliding rail is arranged, and the sliding rail is internally provided with a plurality of plate fixing device single bodies which are arranged at equal intervals; the downwards pressing device comprises a downwards pressing plate, the downwards pressing plate is connected with a hydraulic cylinder through a piston rod, the lower surface of the downwards pressing plate is provided with a first groove, a square plate sleeves the tail end of the piston rod, two ends of the square plate are connected with an inclined baffle plate through a torsion spring, and the tail end of the inclined baffle plate is provided with a silica gel piece. The multifunctional reciprocating type cut-to-size saw has the advantages that the plate protection effect is good, the waste scraps generated during plate sawing cannot drift all around and an additional workbench is flexible to disassemble and assemble.

The invention discloses a lawn mower convenient in use. The lawn mower comprises a mower body, a motor and a reference rod are arranged on the mower body, a reference size is arranged on the reference rod, a screw rotation blade is arranged at the position of the nose of the mower body, mowing control rods are arranged on two sides of the screw rotation blade, blade height adjustment blocks are arranged on two sides of the nose of the mower body, a rack and a grass collecting box are arranged at the tail of the mower body, a plurality of clamping grooves are arranged in the grass collecting box, and a first filter screen, a second filter screen and a third filter screen are respectively arranged in the clamping grooves. By the arrangement, the grass cannot be directly discharged after mowed, secondary cleaning is not needed for people, dust cannot be produced after air is discharged, working environment of users is protected, mowing efficiency is improved, labor intensity is decreased, and convenience in use is achieved.

The invention relates to a device for reducing bearing temperature, comprising a bearing body, wherein a group of oil return holes is formed in the side lower part of the bearing body, and the axial lead of the oil return holes and the center line of a bearing form an angle of 45 degrees. According to the invention, by forming the oil return holes in the bearing, the oil return quantity is increased so as to reduce the temperature of the bearing, on the premise that the integral structure, the strength and the working environment of the bearing are not affected, the problem of overhigh radial bearing temperature can be effectively controlled, the phenomenon of overhigh bearing temperature caused by insufficient oil return is avoided, the phenomenon of interlocking jump caused by overhigh bearing temperature is further avoided, and stable production is ensured.

The invention discloses a conveyor belt, which comprises a main conveyor belt and an auxiliary conveyor belt. An auxiliary conveyor belt lower than the height of the main conveyor belt is installed on both sides of the main conveyor belt. When the gravel material is transported on the conveyor belt, the sand and gravel material accidentally rolled off the main conveyor belt will fall on the auxiliary conveyor belt and continue downward. Transmission, will not fall to the ground, maintain a good workplace environment, and save manpower for cleaning.

The invention discloses a cleaning device of dust inside a sewing machine. The sewing machine comprises a sewing machine body and a protective shield plate, a concave cavity is formed close to a suture inside the sewing machine body, the concave cavity is internally provided with a rocking bar part, the protective shield plate is covered on the concave cavity, the cleaning device comprises an airdraft hole, an air draft pipe, a vacuum generator and an electric cabinet, the air draft hole is arranged from outside to inside in the right side wall direction of the sewing machine body and horizontally stretches into the concave cavity, one end of the air draft pipe passes through the air draft hole and then stretches to the rocking rod part, the other end of the air draft pipe is connected with the vacuum generator through a flexible pipe, the vacuum generator is connected with the electric cabinet through a solenoid valve, wherein a gap is arranged between an end part of one end of the air draft pipe and the rocking rod part. The cleaning device is simple and convenient to use and good in dust cleaning effect, and does not influence the appearance and work environment of the sewing machine.

The invention discloses a rapid drying device for a new material, and relates to the technical field of new materials. The rapid drying device comprises an outer shell and an inner shell, wherein an air blowing mechanism is arranged on the inner bottom wall of the inner shell, and a wind sensing sheet is arranged on the outer side surface of a baffle ring. According to the device, by arranging thewind sensing sheet, when fan blades and a fan motor are used for blowing air into the inner shell, due to the fact that air flow in the inner shell can influence the wind sensing sheet, the wind sensing sheet can drive the baffle ring to rotate, the new material at the top of an iron gauze can rotate on a plane while being dried, the purpose of uniformly drying the new material is achieved, by arranging the outer shell and the inner shell, when the new material is subjected to drying, hot air can be circulated through the space between the outer shell and the inner shell, the purpose of continuous high-temperature drying is achieved, the drying efficiency is improved, and when the new material is subjected to drying, no hot air is exhausted, and the purpose of not influencing the workingenvironment of workers is achieved.

The invention discloses a belt-type manure cleaning device with disinfecting mechanisms and application thereof. The belt-type manure cleaning device comprises a control cabinet, a chicken raising bin, a cleaning bin and a rear cabinet, the control cabinet is arranged in front of the chicken raising bin, multiple chicken cages are longitudinally arranged in the chicken raising bin, the cleaning bin is arranged in rear of the chicken raising bin, the disinfecting mechanisms are sequentially arranged in the cleaning bin, a first belt wheel set and a second belt wheel set are horizontally arranged below the disinfecting mechanisms sequentially, conveying belts are arranged at the bottom of the cleaning bin and electrically connected with an electric control box, a chicken manure containing tank is arranged above each conveying belt, and waste discharging ports matched with the conveying belts and the chicken manure containing tank are arranged at the bottom end of the side face of the cleaning bin. The first belt wheel set and the second belt wheel set are arranged to prevent transferring belts from off tracking, the transferring belts of multiple layers are used to realize timely cleaning of chicken manure of multiple layers, the cleaning bin is arranged in rear of the chicken raising bin to timely clean the manure and the transferring belts, and the disinfecting mechanisms arranged in the cleaning bin clean the manure without having influence on growing environment of chickens and working environment of workers, so that the belt-type manure cleaning device has wide practicability in the field of breeding.

The invention relates to the technical field of tea leaf enzyme-deactivation and segmented conveying, in particular to a tea leaf enzyme-deactivation and segmented conveying device. The device comprises a main U-shaped box body, wherein the bottom face of the main U-shaped box body is fixedly provided with a plurality of support columns by threads, the side face of the inner wall of the main U-shaped box body is in threaded connection to one side of a main control box, the open end of the main U-shaped box body is in threaded connection with the outer wall of a main temperature-insulation barrel body, a motor I is downward vertically and fixedly connected with the main temperature-insulation barrel body and on the outer wall of the open side of the main U-shaped box body by screws, the outer wall of the output end of the motor I is sleeved by the central inner wall of a transmission round disk I, the transmission round disk I is connected to the inner wall of a rotating groove I, the rotating groove I is formed in the outer wall of one end of a main enzyme-deactivation barrel body, a rotating groove II is formed in the outer wall of the end, away from the rotating groove I, of themain enzyme-deactivation barrel body, and the inner wall of the rotating groove 2 sleeves the outer wall of a transmission disk II. The device reduces the employment cost of enterprise by high-efficiency and fast tea leaf enzyme deactivation and improves the quality uniformity of tea leaves.

The invention aims to provide a surface paint coating device for a hot water pipe. A paint coating box is included, and a paint groove is formed in the inner bottom of the paint coating box; a liftingplate is arranged in the paint groove, and a paint injecting motor is arranged on the top of the lifting plate; a paint coating brush is arranged on the top of the paint injecting motor; the tops ofthe left side and the right side of the lifting plate are connected with lifting rods; the tops of the two lifting rods are jointly connected with a connection plate, and the top of the connection plate is connected with a lifting motor; a rotating motor is arranged on the front side of the paint coating box, and the rear side of the rotating motor is connected with a clamping block; and the clamping block is located on the front side in the paint coating box and is used for clamping the hot water pipe. Firstly, the clamping block clamps the hot water pipe in the paint coating box, and then the lifting motor rises and drives the paint injecting motor to rise; the paint injecting motor drives the paint coating brush to rise and make contact with the hot water pipe, and then the rotating motor is started and rotates; the paint coating brush performs paint coating on the surface of the hot water pipe, in this way, paint coating can be efficiently and fast performed, the work environment is not affected, the production efficiency is greatly improved, and the surface paint coating device for the hot water pipe is suitable for production.

The invention belongs to the technical field of metal antioxidation protection and particularly discloses an antioxidant tin plating solution containing the following components: indium, gallium, phosphorus and tin, wherein the weight percentages of indium, gallium and phosphorus are respectively 0.005-0.04%, 0.005-0.06% and 0.01-0.05% based on the weight of tin. Indium, gallium and phosphorus are added into the tin plating solution, so that the oxidation of the tin plating solution can be effectively inhibited, the generated tin residues can be reduced, and the effects of increasing the yield of tin products and the production rate of hot tinning products and the like are remarkable; meanwhile, the wettability of the tin plating solution is slightly improved, the melting points of the tin plating products are slightly reduced, and other physical and mechanical properties of the tin plating products are not affected; and the antioxidant tin plating solution is low in cost and meets the environment-friendly requirement, the existing production process is not changed, and the daily maintenance of the existing equipment and the working environment of a production place are not affected.