39results about How to "Reasonable control of production costs" patented technology

The invention discloses a rat-proof PE (polyethylene) material and a preparation method. The components of the rat-proof PE material comprise PE base materials and rat-repelling materials. The rat-proof PE material is characterized in that content of n-vanillylnonanamide in the rat-repelling materials is 0.31%-0.89% of the total weight of the rat-proof PE material. According to the rat-proof PE material disclosed by the invention, the content of the n-vanillylnonanamide is effectively controlled within the minimal effective rat-repelling dosage range, and reasonable production cost is controlled, and therefore, the rat-proof PE material can be widely applied to producing various electric wires and cables, and large-popularization and promotion for rat-proof electric wires and cables becomes possible.

The invention relates to a protofilament dryer of a roller type structure, and belongs to the technical field of protofilament dry devices. The protofilament dryer comprises a working face plate of a frame type structure. Filament winding rollers used for being wound by protofilaments in an up-and-down and left-and-right mode are installed in the middle of the working face plate. A filament inlet and a filament outlet are formed in the left side and the right side of the working face plate respectively. A feeding roller is arranged corresponding to the filament inlet. A discharging roller is arranged corresponding to the filament outlet. A plurality of upper draught fans are installed at the top of the working face plate at an equal interval. A plurality of lower draught fans are installed at the bottom of the working face plate at an equal interval. An upper box is arranged on the peripheries of the upper draught fans and fixed to the top of the working face plate. Three upper heating mechanisms are transversely installed in the upper box. A lower box is arranged on the peripheries of the lower draught fans and fixed to the bottom of the working face plate. Three lower heating mechanisms are transversely installed in the lower box. By means of the protofilament dryer, the production cost of the protofilament dryer is reasonably controlled, and the protofilament dryer is simple in structure, convenient to maintain and low in cost.

The invention discloses a ratproof low-smoke halogen-free material and a preparation method thereof. The ratproof low-smoke halogen-free material comprises a low-smoke halogen-free base material and a deratization material and is characterized in that the weight of N-vanillylnonamide in the deratization material accounts for 0.31%-0.89% of the total weight of the ratproof low-smoke halogen-free material. In the ratproof low-smoke halogen-free material disclosed by the invention, the N-vanillylnonamide content is controlled in the smallest amount for effective deratization, and the reasonable production cost is controlled, so that the ratproof low-smoke halogen-free material can be widely applied to the production of various types of wires and cables, thereby making the massive popularization and promotion of the ratproof low-smoke halogen-free material for preventing rats from biting wires and cables possible.

The invention discloses a furfural hydrogenation catalyst containing rare earth elements and a preparation method thereof. The catalyst takes calcium carbonate as a carrier, takes copper oxide as an active component and takes a rare earth compound as an active aid; the weight of copper oxide is 28-75wt% of the total weight of the catalyst; the weight of the rear earth compound is 0.1-5wt% of the total weight of the catalyst. According to the furfural hydrogenation catalyst containing rare earth elements and the preparation method thereof, the production cost of the furfural hydrogenation catalyst is effectively controlled; and the furfural hydrogenation catalyst is extremely high in furfural conversion rate and hydrogenation selectivity.

The invention discloses a method for catalytic synthesis of glycine in a homogeneous system. Chloroacetic acid and ammonia gas are used as raw materials, an ammonolysis reaction is carried out in thepresence of a substituted pyridine catalyst and a solvent, and glycine and ammonium chloride are obtained from the reaction liquid obtained through the ammonolysis reaction after filtrating, washing and other operations. In the method provided by the invention, the reaction system adopts a homogeneous system of alcohol and uses substituted pyridine as a catalyst, so that the problems of low catalytic efficiency of urotropine, easy loss of catalyst, serious side reactions and the like can be effectively solved; and the method has the advantages of high conversion rate, easy purification of products, difficult loss of the catalyst and recycle utilization, reduces the production cost, reduces pollution, and has a high practical value.

The invention discloses a high-purity molybdenum rhenium lanthanum ternary alloy guide rod, and belongs to the field of an alloy material. The alloy material for preparing the guide rod comprises, byweight part, 1 to 2 parts of rhenium, 1 to 2 parts of lanthanum, and 90 to 100 parts of molybdenum. The purity of the molybdenum is higher than 99.99%. The molybdenum rhenium lanthanum alloy is subjected to ternary alloying, the material comprises , 1 to 2 parts of rhenium, 1 to 2 parts of lanthanum and the balance molybdenum, the alloy property is greatly improved, meanwhile, the adding amount ofheavy metal rhenium and rare earth lanthanum can be strictly controlled, the production cost of the alloy is reasonably controlled, the number of eddy current inspection crack points of the microwavefurnace magnetic control guide rod made of the alloy is greatly smaller than that of the similar product, the strength range is smaller than that of the similar product, the service life is prolonged, and the product yield is improved.

The invention relates to an LED (light-emitting diode) motorcycle lamp with an automatic adjustable illumination angle and low thermal resistance and belongs to the technical field of motorcycle lamps. The LED motorcycle lamp comprises a mounting panel, a lamp cup, LED lamp beads, an aluminum substrate and a cooling panel, wherein a groove is formed in the cooling panel; the aluminum substrate is embedded in the groove; a mounting base is mounted on the mounting panel; a swing rod is hinged to the mounting base; the swinging end of the swing rod is fixed on the cooling panel; sleeves are fixed on the cooling panel respectively and located on two sides of the swing rod; swing mechanisms are arranged and correspond to the sleeves, and each swing mechanism comprises an adjustment rod; one end of each adjustment rod is arranged in the corresponding sleeve and the other end of the adjustment rod is connected with a motor through a reduction gearbox; the motors are fixed on the mounting panel; each adjustment rod is sleeved with a nut in screw-thread fit connection with the adjustment rod and the nuts are fixed on the sleeves; cooling fins are fixed on left and right sides of the cooling panel respectively. Longitudinal adjustment is facilitated when the LED motorcycle lamp is used for illumination at night, and the phenomenon that a front wheel or a rear wheel of a motorcycle needs to be cushioned manually for longitudinal adjustment is avoided.

The invention relates to a simple thermostatic dough kneader with a rapid dough standing and charging mechanism, and belongs to the technical field of dough kneading devices. The simple thermostatic dough kneader comprises a workbench and a dough kneading barrel, the bottom of the dough kneading barrel is provided with blades used for accelerating dough kneading, the bottom of the dough kneading barrel is vertically and fixedly provided with a rotating shaft used for rotating the dough kneading barrel, the rotating shaft is arranged on the workbench through a bearing, the end portion of the rotating shaft is provided with a power mechanism, the workbench at the left side and the right side of the dough kneading barrel is vertically, upward and fixedly provided with supporting legs, pulleys with the rotating direction being consistent with the rotating direction of the dough kneading barrel are arranged between the supporting legs and the dough kneading barrel, the pulleys are arranged on the supporting legs through pulley mounting bases, the periphery of the dough kneading barrel is sleeved with a heat insulation sleeve, the top of the right supporting leg is fixedly provided with a mounting support, the mounting support is provided with at least one charging funnel, and the top of the dough kneading barrel is provided with a sealing cover in buckling fit with the dough kneading barrel. The simple thermostatic dough kneader with the rapid dough standing and charging mechanism is suitable for being used in common homes or small steamed bread shops, and is simple and convenient to operate.

The invention relates to a portable excavation separation harvesting device for harvesting potatoes, belonging to the technical field of agriculture. The portable excavation separation harvesting device comprises an excavation shovel, a roller conveyor and a main stander, wherein a first installation support and a second installation support are arranged on the bottom of the main stander, and the left side of the first installation support is hinged with a third installation support; the excavation shovel is installed on the third installation support, the third installation support is movably connected with a screw, the screw is sleeved by a nut, the nut is fixed on the main stander, the roller conveyor consists of a first roller conveyor and a second roller conveyor, a soil discharging groove is obliquely arranged right below the second roller conveyor, a lifting conveyor is arranged on a right outlet end of the second roller conveyor, and a receiving groove is installed on the main stander to correspond to a discharging opening on the top of the lifting conveyor. The portable excavation separation harvesting device can carry out the excavation in different depths according to the potatoes in different growth sites, and the unnecessary crop waste can be reduced.

The invention provides a high-pressure water descaling device. The high-pressure water descaling device comprises a descaling box body, wherein descaling collecting tube groups with at least two kinds of pressure are arranged in the descaling box body; descaling collecting tube group with each kind of pressure comprises one or multiple rows of descaling collecting tubes; and a water sealing device is arranged at an inlet of the descaling box body. When the high-pressure water descaling device is used for descaling during production of a common product rolled piece, only the high-pressure water descaling collecting tube group with relatively low pressure needs to work; when some products with special requirements are produced, only the high-pressure water descaling collecting tube group with relatively high pressure needs to work; and moreover, descaling collecting tube groups with multiple kinds of pressure can simultaneously work according to the production needs, so that efficient and reasonable descaling quality effect of products needed by the market is met.

The invention relates to a portable excavating, separating and harvesting device with an adjustable buried angle for a potato harvester, and belongs to the field of an agricultural technology. The portable excavating, separating and harvesting device comprises a digger blade, a roller type conveyer and a main frame, wherein the bottom of the main frame is provided with a first installation support and a second installation support, and the left side of the first installation support is hinged with a third installation support; the digger blade is arranged on a third installation support, the main frame is provided with a fixed pulley, the main frame is provided with a hydraulic cylinder and the third installation support is fixed with a digging rope; one end of the digging rope bypasses the fixed pulley and is connected with a piston rod of the hydraulic cylinder, the roller type conveyor is composed of a first roller conveyor and a second roller conveyor, a dumping slot is formed below the second roller conveyor, the right outlet end of the second roller conveyor is provided with a lifting conveyor, and a receiving slot is formed in the main frame corresponding to a discharge port in the top of the lifting conveyor. According to the portable excavating, separating and harvesting device provided by the invention, potatoes grown in different sections can be dug at different depths, and the waste of unnecessary crops can be prevented.

The invention relates to the technical field of bar production, in particular to a high-precision and high-efficiency fixed-length shearing control method and device for bars. The method comprises thefollowing process flows that a first shearing device and a second shearing device are installed above a bar conveying rail, the distance between a shearing tool of the first shearing device and a shearing tool of the second shearing device is set between 9.02 m to 9.03 m; a first material blocking plate and a second material blocking plate are hinged to the front of the first shearing device andthe front of the second shearing device, touch switches are installed on the two material blocking plates correspondingly, the distance between the first material blocking plate and the shearing toolof the second shearing device is set between 9.02 m and 9.03 m, and the distance between the second material blocking plate and the shearing tool of the second shearing device is set between 12.02 m and 12.04 m. The method and the device provided by the invention have the advantages that the fixed-length shearing precision and efficiency are higher, and the production cost of enterprises is effectively reduced.

The invention relates to an adjustable excavation separating and harvesting device for a potato harvester, and belongs to the field of agricultural technologies. The adjustable excavation separating and harvesting device for the potato harvester comprises an excavation shovel, a roller type conveyer and a main machine frame, wherein a first installation supporting frame and a second installation supporting frame are vertically and sequentially arranged at the bottom of the main machine frame from left to right, the left side of the first installation supporting frame is hinged to a third installation supporting frame, the excavation shovel is installed on the third installation supporting frame, a lead screw is movably connected to the third installation supporting frame and sleeved with a nut in a threaded matching mode, and the nut is fixed to the main machine frame. The roller type conveyer is composed of a first roller conveyer and a second roller conveyer which are in conveying fit, a lift conveyer in feeding fit with the second roller conveyer is arranged at the right outlet end of the second roller conveyer, and a receiving groove is installed in the main machine frame and corresponds to a discharging port in the top of the lift conveyer. The adjustable excavation separating and harvesting device for the potato harvester can excavate potatoes grown in different fields at any depth, and reduce unnecessary crop waste.

The invention discloses a low-heat-resistance LED motorcycle lamp capable of longitudinally and conveniently adjusting an irradiation angle, and belongs to the technical field of motorcycle lamps. The lamp comprises a mounting plate, lamp cups, LED beads, an aluminum substrate and radiating plates, wherein grooves are formed in the radiating plates; the aluminum substrate is embedded in the grooves; a mounting base is mounted on the mounting plate, and is hinged with a swing rod; a swing end of the swing rod is fixed on the radiating plates; a bushing is fixed on the radiating plate at the left side of the swing rod, and is perpendicular to the radiating plate; an adjusting rod is arranged in the bushing; one end of the adjusting rod is arranged in the bushing, and the other end is ejected to the mounting plate; the adjusting rod is coated with a nut in threaded fit and connection; and a spring is arranged between the radiating plate at the right side of the swing rod and the mounting plate. The lamp is convenient to be longitudinally adjusted in illumination at night to prevent the achievement of longitudinal adjusting phenomenon through manually putting an object below a front wheel or a rear wheel of a motorcycle.

The invention relates to a simple thermostatic dough kneader provided with a charging mechanism, and belongs to the technical field of dough kneading devices. The simple thermostatic dough kneader comprises a workbench and a dough kneading barrel, the bottom of the dough kneading barrel is provided with blades used for accelerating dough kneading, the bottom of the rotary sleeve is vertically and fixedly provided with a rotating shaft used for rotating the dough kneading barrel, the rotating shaft is arranged on the workbench through a bearing, the end portion of the rotating shaft is provided with a power mechanism, the workbench at the left side and the right side of the dough kneading barrel is vertically, upward and fixedly provided with supporting legs, pulleys with the rotating direction being consistent with the rotating direction of the dough kneading barrel are arranged between the supporting legs and the dough kneading barrel, the pulleys are arranged on the supporting legs through pulley mounting bases, the periphery of the dough kneading barrel is sleeved with a heat insulation sleeve, the top of the right supporting leg is provided with a mounting support, and the mounting support is provided with at least one charging funnel. The simple thermostatic dough kneader provided with the charging mechanism has the advantages of simple structure, low device making cost, suitableness for being used in common homes or small steamed bread shops, and simple and convenient operation, and can be repaired by everyman.

The invention relates to a dual-compression die and belongs to the technical field of dies. The dual-compression die comprises an upper die body and a lower die body which are mutually matched. The upper die body comprises an upper die plate. Compression male die bodies are arranged at the left end and the right end of the bottom of the upper die plate correspondingly. The lower die body comprises a support. A lower die plate, corresponding to the upper die plate, is arranged at the top of the support. Cavity die bodies, corresponding to the compression male die bodies, are arranged at the left end and the right end of the top of the lower die plate. A guide post for up-down movement of the upper die plate is arranged in the middle of the lower die plate. A spring used for disassembling the upper die plate and the lower die plate after die assembling is arranged on the guide post in a sleeving mode. The length of the spring is two thirds of the distance between the upper die plate and the lower die plate. The dual-compression die is simple in structure. During die disassembling, under the action of recovered elastic force of the spring, the requirement that the lifting power during die disassembling can be reasonably controlled while machining of two products can be conducted is met, so that the equipment production cost is reasonably controlled.