34results about How to "Prevent from taking" patented technology

The invention discloses a plunger friction pair of a high-pressure seawater axial plunger pump with a bionic non-smooth surface. The plunger friction pair is mainly characterized in that through hole unit bodies communicated with an inner cavity of a plunger are arranged on the friction surface positioned in a cylinder body in the operation process of the outer surface of a plunger of the friction pair; the other friction surfaces of the plunger are provided with pit unit bodies. Preferably, a bush with the bionic non-smooth surface is added between the plunger and the cylinder body, a groove type trench is arranged on the outer wall of the bush, and the through hole unit bodies are regularly arranged at the bottom part of the trench. The plunger friction pair disclosed by the invention has the advantages that the lubricating capability, the bearing characteristic and the friction and wear properties of the plunger friction pair can be reasonably improved by high cost performance.

The invention discloses a cyclone dust collector of a vacuum cleaner, which comprises a handle, a cyclone separator, a conical filter, a dust collecting barrel and a positioning lock connected to the dust collecting barrel, wherein an elliptic barrel body of the cyclone separator is arranged at an opening on the upper part of the dust collecting barrel; the conical filter and a rotational flow generator are arranged in the barrel body; the front end part and the rear end part of the lower barrel wall of the barrel body of the cyclone separator are provided with an air inlet port and a dust discharge port respectively; one end of the rotational flow generator is connected with the rear wall of the cyclone separator, a cavity is formed in the end of the rotational flow generator, and a plurality of through holes are formed on the end face of the other end of the rotational flow generator; the rear wall of the cyclone separator is provided with a plurality of vent holes leading to the cavity of the rotational flow generator; besides, a lateral surface, facing the rear wall of the cyclone separator, of the positioning lock is provided with a dust scraping flange. The cyclone dust collector can maintain high performance of the cyclone separator, such as air discharge for depressurization and improvement on the dust separation efficiency, and can prevent garbage from adhering or enwinding to a conical part of the conical filter.

The invention discloses a boiler water circulation device with middle mixing headers and pressure balance pipes. High-rib optimization inner thread pipe vertical pipe coils are adopted in lower hearth water walls, the outlet ends of the front wall water wall, the rear wall water wall, the left wall water wall and the right wall water wall of a lower hearth are connected with four transverse middle convergence headers of the lower hearth respectively. The four transverse middle convergence headers of the lower hearth are connected through the pressure balance pipes. Light pipe vertical pipe coils are adopted in upper hearth water cools. The inlet ends of the front wall water wall, the rear wall water wall, the left wall water wall and the right wall water wall of an upper hearth are connected with four transverse middle convergence headers of the upper hearth respectively. The four transverse middle convergence headers of the lower hearth and the four transverse middle convergence headers of the upper hearth are connected with the two vertical middle mixing headers located on the left side and the right side of a boiler through connecting pipes. High-rib optimization inner thread pipes are adopted, the increasing of flow resistance in the pipes is not large, and the heat transfer performance is enhanced. The middle is mixed sufficiently, and the situation that the outlet steam temperature deviation of the water walls of the upper hearth is likely to happen due to the outlet steam temperature deviation of the water walls of all walls of the lower hearth is prevented. By means of the pressure balance pipes, the phenomenon of flowing instability of the water walls of the lower hearth is avoided.

The invention discloses a rice noodle making device, which is characterized in that the heating device adopts a combination of a heating cylinder, an electromagnetic heating coil and a heat insulation sleeve; the heating cylinder is provided with a heat storage cavity surrounding an extrusion channel and stores heat-conducting oil; the heat insulation sleeve It is located on the periphery of the heating cylinder, and the electromagnetic heating coil is set in the heating cavity formed between the heat insulation sleeve and the heating cylinder; the screw extruding rod extends into the extrusion channel from the right side of the heating cylinder; the rice noodle forming component is set at the left end of the heating cylinder And communicate with the extrusion channel. The advantages are: compact and scientific structure, safe and reliable work, long service life, short production cycle, high degree of automation, and guaranteed rice noodle production. It has the characteristics of small size, small area occupied by the production site, energy saving and environmental protection; convenient and fast maintenance, very convenient for assembly and disassembly and cleaning; Good, the powder is not sticking.

The invention discloses a drainage method of salt-alkali soil. The method includes the steps of spreading a hydrophobic membrane at the position, which is 25-55 cm deep, of a salt-alkali soil layer, wherein a drainage net pipe is arranged above the hydrophobic membrane and is composed of a plurality of transverse drainage pipes and a plurality of longitudinal drainage pipes which are perpendicular to each other, the transverse drainage pipes and the longitudinal drainage pipes which intersect are in fluid communication, a water inlet and a water outlet are formed in the drainage net pipe, seepage holes are formed in pipe bodies of the transverse drainage pipes and the longitudinal drainage pipes, a water suction pump is arranged at the water outlet, and a water inlet of the water suction pump is in fluid communication with the water outlet; when rain stops or irrigation and drainage are stopped, starting the water suction pump to suck water so that water of the soil layer above the hydrophobic membrane can enter the drainage net pipe through the seepage holes so as to be drained out of the drainage net pipe. By means of the method, water is saved, and the salt content of the upper soil layer of salt-alkali soil can be kept balanced.

The invention provides a full-automatic shoe polishing device. The device includes a cleaning brush, a seat convenient to use and a shoe polishing machine body; the shoe polishing machine body is arranged on a device body; a touch computer is arranged on one side of the top of the shoe polishing machine body; a placement platform is arranged on one adjacent side of the touch computer; two observation plates are also arranged on one side of the shoe polishing machine body; a shoe oil discharging device is fixedly installed between the two observation plates; device steps are arranged on the bottom of one side of the shoe polishing machine body; baffles are arranged on both sides of the shoe polishing machine body and device steps; electric push rods are arranged on the two sides of each baffle and positioned on the adjacent outer side of the shoe polishing machine body; an armrest is arranged on the tops of the electric pushing rods. The placement platform of the full-automatic shoe polishing device is designed in a groove structure, correspondingly portable objects can be placed on the placement platform conveniently, and certain damage caused by detaching to the placed objects iseffectively prevented through the design of a groove.

The invention discloses a cyclone dust removal device for treating acid waste gas, belongs to the technical field of environmental protection equipment, and aims to solve the problems that the existing cyclone dust collector is poor in purification effect at an outlet due to the fact that settled dust is easily brought up by purified gas during use, dust is easily gathered on the inner wall duringuse, wind resistance is increased, and the gathered dust is difficult to remove. The device comprises an outer shell; the top of the outer shell is fixedly connected with a group of driving motors; and a group of dust scraping devices are rotationally connected to the interior of the outer shell. According to the device, a dustproof baffle is arranged at the bottom of an air outlet pipeline; dustcollected at the bottom is effectively prevented from being brought up again, the purification quality is guaranteed, meanwhile, the dust scraping devices are arranged to scrape dust on the inner wall of the outer shell, the inner wall of the outer shell is kept clean, the dust is prevented from being gathered on the inner wall of the outer shell, the dust removal effect is better, and the cleanliness of gas obtained after dust removal is higher.

The invention relates to an automobile braking oil storing kettle opening cover assembly which comprises an oil storing kettle cover. The automobile braking oil storing kettle opening cover assembly is characterized by further comprising a ventilation valve seat and a sealing ring arranged in the middle of the ventilation valve seat. The middle and the lower portion of the ventilation valve extend into an oil storing kettle and are matched with the inner wall of an opening portion of the oil storing kettle. The oil storing kettle cover is connected with the upper end of the ventilation valve seat in a clamped and rotating mode, and a little vertical moving amount generated. The automobile braking oil storing kettle opening cover assembly can not only meet the requirement for ventilation of the oil storing kettle and but also prevent braking liquid from being brought to the surface of the oil storing kettle by gas.

The invention discloses an automatic assembling device used for assembling steel balls and steel pins simultaneously, and belongs to the technical field of automatic tools. The automatic assembling device comprises a positioning base used for positioning a to-be-installed workpiece, the automatic assembling device further comprises a first vibrating disc for containing the steel balls and a secondvibrating disc for containing the steel pins, the first vibrating disc and the second vibrating disc feed the steel balls and the steel pins to a receiving device through vibration feeding, a feedingplate is movably installed in the receiving device and is connected with a first driver and a feeding pipe, the motion positions of the feeding plate in the receiving device comprise a first positionand a second position, when the feeding plate is at the first position, the steel balls are conveyed into the to-be-installed workpiece through the feeding pipe, and when the feeding plate is locatedat the second position, the steel pins are conveyed into the to-be-installed workpiece through the feeding pipe. In addition, the invention further discloses an assembling method for assembling the steel balls and the steel pins simultaneously through the automatic assembling device. The automatic assembling device and the assembling method can greatly improve the assembling efficiency and the assembly accuracy.

The invention discloses an electrical automatic equipment overhauling protection device. A first supporting unit and two pressing units are included. The two pressing units are arranged at the upper portion of the first supporting unit. The first supporting unit comprises a first base, a first supporting column vertically and fixedly arranged at the upper portion of the first base, and a beam fixedly arranged at the upper end of the first supporting column, and two first installing holes are symmetrically formed in the beam. The electrical automatic equipment overhauling protection device caneffectively prevent gluing roller rotation, the surfaces of gluing rollers can be prevented from being scratched during gluing roller overhauling, the gluing rollers can be prevented from being damaged, and accordingly, the running cost of the factory is reduced. Through a prepared protection layer, the corrosion resistance, anti-static performance, dustproof performance and the anti-aging performance of a first base and a second base can be effectively improved, the service life of the first base and the second base can be effectively prolonged, static electricity can be prevented, the situation that static electric exists in the gluing rollers, and gluing is influenced can be effectively prevented, dust is not prone to being stained on the surface of the first base or the surface of thesecond base, the dustproof effect is good, and cleaning is convenient.

The invention relates to a refrigerating machine housing (1), comprising an inner container (3) defining a cooled space, said inner container being provided on the outside with an insulating material layer (2), and having a bearing formed on the side walls (32) thereof for a lid (6) that is pivotally supported at the inner container (3) by means of bearing elements (52), wherein the bearing element (52) is provided at a backing piece (5) located on the insulating material side, said backing piece being located on at least one of the side walls (32) and penetrating the side wall (32) in an opening (42).

The invention discloses an automatic material mixing and rolling device which comprises a machine frame. The machine frame is provided with an upper opposite-rolling mechanism used for conducting primary extrusion on two or more materials, a conveying mechanism and a lower opposite-rolling mechanism used for conducting secondary extrusion on the two or more materials. The conveying mechanism is located between the upper opposite-rolling mechanism and the lower opposite-rolling mechanism, the upper opposite-rolling mechanism is located above the conveying mechanism, and materials sequentially pass through the upper opposite-rolling mechanism, the conveying mechanism and the lower opposite-rolling mechanism. The automatic material mixing and rolling device is low in labor cost, achieves highproduct hardness and has high efficiency.

The invention discloses a new type of rice noodle machine, which is characterized in that it comprises the following rice noodle making device, conveying and cooling device, noodle stacking device and packaging device arranged end to end in sequence; The wire is heated by matching heat-conducting oil and electromagnetic heating coils. The powder making device is installed through two-stage guide rails. The power mechanism is equipped with a tensioning device that can prevent the extrusion mechanism from being stuck; ” glyph cooling path. Its advantages are: compact and scientific structure, safe and reliable work, long service life, short production cycle, high degree of automation, and safe rice noodles produced. It has the characteristics of small size, small area occupied by the production site, energy saving and environmental protection; convenient and quick maintenance, convenient assembly, disassembly and cleaning; convenient operation; and the processed rice noodles have a high degree of ripening, fine and uniform rice vermicelli, good toughness, not easy to break, smooth and delicate The taste is good, the powder is not sticky.

The invention discloses a reinforced industrial switch. The switch comprises a switch body, and a sensing mechanism is arranged on the outer surface of the upper end of the switch body; a reinforcingmechanism is arranged on the outer surface of one side of the switch body; a network cable interface, a clamping groove and a power interface are arranged on the outer surface of the front end of theswitch body, wherein the network cable interface is located on one side of the clamping groove, and the power interface is located on the other side of the clamping groove. The switch is provided withthe reinforcing mechanism and an induction mechanism, so the switch body can be reinforced through the reinforcing mechanism; the heat dissipation effect of the switch is enhanced, the heat dissipation of the switch main body is facilitated, the switch body is prevented from sliding, circuits in the switch body can be protected through the induction mechanism, and the inconvenience caused by circuit aging to information interaction is prevented; the switch can be prevented from failing to work in advance, so the switch is convenient for a person to use, and has a better use prospect.

The invention discloses an agricultural machinery belt pulley soil removing device. The agricultural machinery belt pulley soil removing device is simple in structure, and when a large amount of soil is adhered to a belt pulley, an external power source is switched on, a motor is started and drives a disc to rotate, and a sliding block rotates together; meanwhile, the sliding block slides in a strip-shaped through hole in a connecting rod, so that the connecting rod swings back and forth; when the connecting rod swings rightwards, the sliding block abuts against the lower end of the strip-shaped through hole at the moment, a piston moves downwards, the connecting rod swings rightwards and moves downwards at the same time, a pawl can shovel soil on the belt pulley, and meanwhile a limiting block can play a limiting role; and when the connecting rod moves leftwards, at the moment, the sliding block abuts against the upper end of the strip-shaped through hole, and the piston moves upwards, so that the connecting rod moves leftwards and moves upwards at the same time, soil is prevented from being brought into a supporting frame, the soil on the belt pulley is removed through a series of measures, and high practicability is achieved.