34results about How to "Repair wear" patented technology

The present invention discloses one kind of nanometer lubricating oil additive, which consists of liposoluble nanometer copper or copper alloy and liposoluble nanometer silica. The nanometer lubricating oil additive of the present invention can realize the self repair of the worn part, and possesses the functions of saving oil, resisting abrasion, reducing noise, decreasing carbon deposit, raising power performance, etc. It has high dispersivity in lubricating oil, high oxidation stability and long term stability, and is favorable to solving different friction and wear problems in different work conditions.

The invention discloses a workpiece feeding and distributing device. The workpiece feeding and distributing device comprises a plurality of U-shaped feeding tanks, a rotating shaft and a chained material-distributing table, wherein the plurality of U-shaped feeding tanks are arranged in parallel and one end of each U-shaped feeding tank is connected with the rotating shaft, one bottom of each U-shaped feeding tank is connected with an oil cylinder through a trunnion, and the oil cylinders drive the U-shaped feeding tanks to conduct feeding operation. The chained material-distributing table comprises a drive sprocket which is provided with a conveying chain, a table frame and a gear motor, wherein the drive sprocket is arranged on the rotating shaft, the rotating shaft is connected on the table frame through a bearing, the gear motor is connected with the rotating shaft through a chain, a material-blocking mechanism which is driven by a cylinder to rise and fall is fixedly arranged on the table frame, the drive sprocket is driven by the gear motor, and thus an upper chain of the workpiece is enabled to conduct material distributing operation. The device is suitable for workpieces with a large scope of standards, feeding and material-distributing operations of bar materials, pipe materials and square billets can be achieved smoothly, and meanwhile, manual material-setting is of no need, and security accidents are avoided.

The invention discloses a multifunctional cutting tooth machining device which comprises a supporting tabletop, a vertical worktable, a cutting tooth mechanism, an insertion tooth mechanism, a laser ranging detection mechanism and a workpiece clamping and rotating mechanism. The cutting tooth mechanism is fixedly installed at the front side portion of the upper surface of the supporting tabletop.The front side portion of the supporting tabletop is fixedly connected with a U-shaped fixing frame. The insertion tooth mechanism and the laser ranging detection mechanism are installed on the U-shaped fixing frame. The workpiece clamping and rotating mechanism is fixedly installed on the rear side of the vertical worktable. Wheel-carrying clamp mechanisms are installed on the upper side, the lower side, the left side and the right side of the vertical worktable correspondingly. A cooking ring box is fixedly connected with the front side of the vertical worktable, and a cooling liquid storagebox and a cooling pump are installed at the side portion of the supporting tabletop. A cooling liquid pipe is connected between the cooling liquid storage box and the cooling ring box, and the cooling pump is arranged on the cooling liquid pipe. Multiple cooling liquid nozzles are arranged on the cooling ring box in the circumferential array manner. The multifunctional cutting tooth machining device is compact in structure and diversified in function, cutting tooth and insertion tooth integration is achieved, and the machining precision is high.

The invention discloses a method for repairing a packing barrel of a drum type vacuum filter. The method for repairing the packing barrel of the drum type vacuum filter comprises the following steps of 1, conducting rough turning on a shaft neck at the driving end of the packing barrel, an oil seal shaft neck, packing seal shaft necks, a filter groove outer circle and bearing shaft neck damaged parts; 2, milling and cleaning R-angle connecting weld seams of the filter tank partition plates by using a forming milling cutter or manually grinding and cleaning the R-angle connecting weld seams ofthe filter tank partition plate by using a hard alloy rotary file electric grinding and angle grinding machine; 3, carrying out build-up welding to R-angles of the filter tank; 4, repairing and polishing R-angle weld seams of the filter tank to complete the repairing of R-angle weld seams of the filter tank of the packing barrel; 5, conducting laser cladding complex machining on the packing barrel, wherein the cladding is carried out in the shaft neck at the driving end, the oil seal shaft neck, the packing seal shaft necks at the driving end, the packing seal shaft necks at the non-driving end and the filter groove outer circle sequentially; 6, conducting rough turning to laser cladding parts; and 7, carrying out fine grinding on the rough turning parts. According to the method for repairing the packing barrel of the drum type vacuum filter, a surface of a wear packing barrel can be repaired, so that the wear packing barrel can be reused and the use cost is reduced.

The invention discloses an engine pretreatment, self-repairing material and tail gas governing integrated process method and belongs to the technical field of engine tail gas governing. The inventionaims at solving the problems that an existing engine tail gas governing effect is not thorough, and the emission pollutants of an engine harm the living environment. The engine pretreatment, self-repairing material and tail gas governing integrated process method includes the following steps that firstly, mixed powder with the function of cleaning an engine friction pair surface metamorphic layer,rotted points and oil stains is prepared; secondly, a metal abrasion self-repairing material composition is prepared; thirdly, engine pretreatment is performed; fourthly, engine self-repairing treatment is performed; and fifthly, a tail gas after-treatment device is additionally arranged. According to the engine pretreatment, self-repairing material and tail gas governing integrated process method, by means of integration and advantage complementation of the three technologies of engine pretreatment and self-repairing and additional arranging of the tail gas treatment device, the technical defects that a current domestic engine is purely provided with a tail gas treatment device, the engine performance is lowered, the oil consumption rises, and a particulate trap can be easily blocked areovercome, and an effective path is provided for scientific prevention and treatment of tail gas of high-emission motor vehicles in future.

The invention relates to an energy saver and equipment. The energy saver comprises a shell used for being fixed with an engine of the equipment to be subjected to energy saving, and various metals are arranged in the shell. From the perspective of science, all objects higher than absolute zero can release electromagnetic waves, the electromagnetic waves are one of energy, the higher the temperature is, the shorter the wavelength of the released electromagnetic waves is, the stronger the action is, and when the engine is started, the temperature rises; and the electromagnetic waves and energy waves are generated at the same time, the various metals arranged in the shell are heated to release high-energy infrared rays, the electromagnetic waves absorb scrap iron and other impurities in a cylinder body of the engine of equipment to be subjected to energy saving, energy waves activate engine oil of the engine all the time, oil film covering is formed, cylinder score abrasion is repaired, air tightness is enhanced, power is improved, fuel oil combustion is promoted through the infrared rays, oil sludge hardening is prevented, oil consumption is reduced, and the high-energy-saving effect is achieved.

The invention provides a preparation method of an energy saving and emission reduction type lubricating oil additive in the technical field of industry and manufacturing industry, which overcomes the precipitation and agglomeration phenomenon of copper powder in the previous similar technology and avoids the application difficulty and potential mechanical damage caused by the agglomeration of the copper powder. The preparation method comprises the following steps: stirring micron copper powder with low apparent density (0.8-1.00 g/cm<3> and the particle size is 0.1-100 microns) with base oil for 20 minutes according to a proportion of 1:2 by using a planetary stirrer, deoiling by using a centrifugal deoiling machine, taking out the micron copper powder, and roasting for later use; adding the base oil into the copper powder according to a proportion of 1:10, and stirring for 20 minutes by using the planetary stirrer to prepare the micron copper powder lubricating oil additive; adding lubricating oil into the micron copper powder lubricating oil additive according to a proportion of 1:20, and stirring for 20 minutes using the planetary stirrer to prepare a finished product of micron copper powder lubricating oil; adding lubricating grease into the micron copper powder according to a proportion of 1:80, and stirring for 30 minutes by using the planetary stirrer to prepare a finished product of micron copper powder lubricating grease. The specific gravity of the used copper powder is close to that of the oil, and thus the copper powder precipitation phenomenon is well solved.

The invention relates to a silver-based amorphous alloy and nanocrystalline pure silver composite coating for repairing the surface of a silver souvenir coin or medal and a preparation method of the composite coating. The composite coating comprises a silver-based amorphous alloy coating serving as a substrate and a nanocrystalline pure silver coating on the surface; and the silver-based amorphous alloy coating comprises a silver component and an active metal component, and representative active elements suitable for the silver-based amorphous alloy coating comprise chromium, nickel, silicon and the like. The preparation method comprises the following steps: cleaning the silver coin and a magnetron sputtering target material, preparing the composite coating through magnetron sputtering deposition in a vacuum state, and post-processing the target material and the silver coin. By means of the silver-based amorphous alloy and nanocrystalline pure silver composite coating and the preparation method thereof, damaged silver coins with scratches, abrasion and color spots and the height difference smaller than 2 micrometers from the original surface can be repaired, the surface of the repaired silver coins is covered with the composite coating uniform in component and compact in structure, good binding force exists between the silver coins and the composite coating, and the appearance color is the same as that of pure silver. The problems that tiny scratches, abrasion and other flaws are generated on the surfaces of the silver coins in the production, storage and circulation processes, black spots, white spots, yellowing and other flaws are formed on the surfaces of the silver coins due to the influence of sulfur, chlorine, oxygen and other corrosion elements in the environment, and therefore the appearance and luster of the silver coins are seriously influenced are solved.

The invention relates to the technical field of lubricating oil additives, in particular to a semisolid high-strength film vehicle lubricating oil additive, a synthesis method thereof and lubricating oil. Molybdenum oxide is used as a basis to react with o-aminobenzene sulfonic acid and alkylated diphenylamine, then potassium permanganate is added, a method of adjusting the pH value is adopted to obtain an organic molybdenum amine mixture beneficial to a good reaction in the next step, then the organic molybdenum amine mixture reacts with calcium titanate, methyl methacrylate and didodecyl methyl tertiary amine, and a two-step pressure method is adopted, so the molybdenum-titanium alloy lubricating oil additive with good lubricity and excellent wear resistance is prepared, is dissolved in various lubricating oil in a liquid ionic form, is a friction modifier, an anti-wear agent and an antioxidant of the lubricating oil for an internal combustion engine, has a remarkable oil-saving effect, and can remarkably improve the film-forming capacity and the bearing capacity of the lubricating oil. A chemical adsorption film with antifriction and antiwear effects is formed on the friction surface; and the engine is further protected under harsh working conditions such as high speed, high temperature and high pressure.