56results about How to "Good anti-wear effect" patented technology

The invention provides a low-acid and efficient diesel antiwear additive and a preparation method thereof, comprising a specific preparation technology and six specific material components. Material (A) is at least one component of amide; material (B) is at least one component of amine oiliness improver; material (C) is at least one component of ester oiliness improver; material (D) is at least one antirust additive; material (E) is at least one demulsifier; and material (F) is at least one organic solvent. The antiwear additive prepared by the above components has the characteristics of goodantiwear effect, low acid and the like; the abrasion resistance is greatly improved by adding low sulphur diesel and no adverse effect is exerted on the quality indexes. The raw material components of the invention can be bought in commodity markets; and the production technology is simple and feasible.

The invention provides an anti-abrasion and attrition-reducible circulating fluidized bed boiler. The circulating fluidized bed boiler comprises a plurality of water wall tubes for forming a furnace water wall, wherein a plurality of horizontal flow blocking beams perpendicular to the water wall tubes in the length direction are arranged on the water wall; the positions of the horizontal flow blocking beams on the water wall meets an exponential formula that a<n+1>-(L+1)*a+L is equal to U; the value of the a can be obtained by using a mathematical Newton secant method; the root of a being equal to 1 is omitted to obtain a first horizontal flow blocking beam; the distance between the first horizontal flow blocking beam and an anti-abrasion plastic upper edge of a dense-phase zone is a; the distance between a second horizontal flow blocking beam and the first horizontal flow blocking beam is a<2>; and so on, the distance between a nth horizontal flow blocking beam and a (n-1)th horizontal flow blocking beam is a<n>. According to the invention, the horizontal flow blocking beams are arranged in the boiler, do not obviously affect rated operating parameter of the boiler, can effectively reduce abrasion of grains on the water wall tubes, and can reduce abrasion effect of swirl, turbulence, swirl flow, angle gather and the like, and can realize an excellent protective effect on the whole inner wall of the boiler.

The invention relates to a wide dump truck, which comprises a driving cab (1), a truck frame (2), a power assembly (3), a transmission system (4), a steering system (5), brake systems (6), a front suspension (7), a back suspension (8), a lifting system (9), a carriage (10) and electrical systems (11), wherein the driving cab (1) is arranged at the upper side of the front part of the truck frame (2), the power assembly (3) is arranged in the inner side of the truck frame (2), the transmission system (4) is arranged in the inner side of the truck frame (2), the steering system (5) is arranged at the inner side and the outer side of the truck frame (2), the brake systems (6) are arranged in the inner and outer sides of the truck frame (2), the front suspension (7) is arranged at the lower side of the front part of the truck frame (2), the back suspension is arranged at the lower side of the middle back part of the truck frame (10), the lifting system (9) is arranged at the upper side of the truck frame, and is connected with the carriage (10), the carriage (10) is arranged at the upper side of the truck frame (2), and the electrical systems (11) are arranged in the inner and outer sides of the truck frame (2). The wide dump truck has the advantages that the defects of the previous wide dump truck are overcome, and a new design platform is provided for the development of large-tonnage wide trucks.

The invention discloses a floated communication repeater tower and relates to the technical field of wireless communication repeater devices at sea. The technical problems are solved that in the existing floated communication repeater tower, the gravity is not stable, the ability of typhoon resistance is poorer, and the service life is limited. The floated communication repeater tower comprises a floating disc and an anchor structure; the floating disc comprises a floating disc body, the floating disc body is in a shape of a circular disc, and the floating disc is made of cement; a first compartment and a second compartment which are distributed in an up-down mode are arranged in the floating disc body; the first compartment is composed of a storage compartment located on the center area and a filling compartment which encloses the storage compartment, the storage compartment is used for containing communication devices, and the filling compartment and the second compartment are filled with plastic foam materials; the anchor structure comprises an anchor body, the anchor body is a hexagonal prism body, and the diameter of the hexagonal prism body is identical to the height of the hexagonal prism body; triangle gaps which extend in the axial direction are formed in all side surfaces of the hexagonal prism body of the anchor structure, and the triangle gaps are used for blocking silt.

The invention provides equipment for filling according to the depth of a collapse pit of a decommissioned uranium mine. The equipment comprises a main body; a fixed part is fixedly mounted in the main body; a limiting push assembly is fixedly mounted on the lower side of the main body; air bag linkage assemblies are fixedly mounted on the left and right sides of the inner wall of the main body; the upper side of each air bag linkage assembly is connected with a gear linkage assembly; the upper end of each gear linkage assembly is movably connected with a material limiting assembly; and each material limiting assembly comprises a mounting block. According to the equipment for filling according to the depth of the collapse pit of the decommissioned uranium mine, along with continuous adding and filling of fillers, when the collapse pit of the decommissioned uranium mine is gradually filled with the fillers, the upper ends of movable push rods are used for driving material limiting baffles to move relatively, and the material limiting baffles are prompted to be in a mutual closed state, so that the equipment achieves the purpose of automatic closing when the collapse pit of the uranium mine is filled up; and the equipment does not need the assistance of manual supervision, so that the labor intensity of workers is reduced, and the practicability of the equipment is further improved.

The invention belongs to the technical field of chain appliances, and particularly relates to a grain lifting chain for rice harvesting. The grain lifting chain for rice harvesting consists of a plurality of groups of chain units which are combined and connected, wherein each chain unit comprises a long chain and a short chain; each of the short chains and the long chains comprises an inner piece, an outer piece and a pin shaft; the inner and outer pieces are connected in a penetration way through the pin shafts; shaft sleeves are sleeved on the pin shafts; and two blades are arranged on each long chain, are positioned between the corresponding inner and outer pieces, and are connected through a connecting piece. Compared with the prior art, the grain lifting chain for rice harvesting has the beneficial effects that the grain lifting chain for rice harvesting is reasonable in structure; and structural connection between the parts is optimized, so that the probability of prolonging and the like of the grain lifting chain for rice harvesting is lowered, the grain lifting chain for rice harvesting is resistant to wear, and the service life of the grain lifting chain for rice harvesting is prolonged.

The invention discloses a high-temperature alloy end mill. The high-temperature alloy end mill comprises a mill bar and a mill head; a mill blade is fixedly connected to the left side surface of the mill bar; a notch is formed in the middle of the left end of the mill blade; a first drainage channel is formed in the middle of the mill blade; the notch communicates with the first drainage channel; a dustproof net is fixedly connected to the inner part of the left end of the first drainage channel; and a circular groove is formed in the outer side surface of the right end of the mill bar. According to the high-temperature alloy end mill, in the working state, lubricating fluid can flow out of the notch, and therefore the lubricating effect can be achieved, too fast abrasion of the end mill can be effectively avoided, the certain cooling performance can be achieved, the deformation of the end mill can be effectively avoided, the anti-wear effect can be good, the high-temperature-resistant performance can be high, impurities can be effectively blocked, blockage of the first drainage channel can be avoided, the leakage of liquid in a liquid storage cavity ican be avoided, the use can be more convenient, and the normal use of the end mill can be effectively guaranteed.

The invention belongs to the technical field of molds, and discloses a guide pillar for bending a steel bar mold. A guide hole is formed in the center of an end cover, and a guide pillar body A is installed in the guide hole. A sealing washer is arranged between the inner wall of the guide hole and the outer wall of the guide pillar body A. A stopping block is installed at the top of the guide pillar body A. A reset spring is arranged between the stopping block and the end cover. The bottom of the guide pillar body A is connected with a guide pillar body B. The guide pillar body B makes contact with the inner wall of a guide sleeve. An oil storage part is arranged between the inner wall of the guide sleeve and the guide pillar body B. The side, making contact with the guide pillar body B, of the oil storage part is provided with rubber. An opening is formed in the top end of the oil storage part. A baffle is obliquely arranged on the inner wall of the guide sleeve. The baffle is fixed to the side wall of the upper portion of the oil storage part. One side, fixed to the inner wall of the guide sleeve, of the baffle is lower than the other side of the baffle. The opening of the oil storage part abuts against the baffle. Fluid oil is contained in the oil storage part. The problems that the abrasion reducing effect of the guide pillar is bad, cost is high and the structure is complex in the prior art can be solved.

The invention discloses heat-resisting and wear-resisting PVC (Polyvinyl Chloride) plastic. The heat-resisting and wear-resisting PVC plastic is prepared from the following materials in parts by weight: 60 to 70 parts of polyvinyl chloride, 18 to 22 parts of a high molecular polymer, 30 to 35 parts of a plasticizer, 2 to 4 parts of a stabilizer, 6 to 8 parts of a filler, 3 to 5 parts of an antioxidant, 1 to 3 parts of a lubricant and 0.5 to 1 part of a modifying agent. According to the heat-resisting and wear-resisting PVC plastic disclosed by the invention, chemical components are optimized,so an inner structure of the PVC plastic is improved from the microcosmic aspect; and the heat-resisting and wear-resisting PVC plastic has excellent heat-resisting performance and anti-abrasion performance.

The invention discloses an anchor structure and a floating communication relay tower with the same, and relates to the technical field of wireless communication relay equipment at sea. The purpose is to solve the technical problems that the gravity center of an existing floating communication relay tower is unstable, the typhoon resistance capability is poor and the service life is limited. The anchor structure comprises an anchor body, the anchor body is in a hexagonal prism shape, and the diameter and height of the hexagonal prism are the same; a triangular notch extending in the axial direction is formed in each side surface of the anchor structure in a hexagonal prism shape, and the triangular notches are used for blocking sediment.

The invention belongs to the technical field of chain appliances, and particularly relates to a side-guide chain for pen making. The side-guide chain is formed by connecting and combining a plurality of chain units. Each chain unit comprises outer links, inner links and a step dowel; two ends of the step dowel penetrate one outer link and one inner link in group, one end of the step dowel extends to form a boss after penetrating the inner link and the outer link in group; the step dowel is sleeved by a bushing. The side-guide chain for pen making is further provided with a plurality of guide cranked plates which are arranged at the equal interval and provided with guide pins, and one end of each guide cranked plate is connected with one guide roller. The side-guide chain for pen making is reasonable in structure arrangement, and structural connection of different parts is optimized, so that the side-guide chain for pen making is firmer and more wear-resistant while service life thereof is prolonged.

The invention discloses lubricating grease for a tubular motor and a preparation method of the lubricating grease for the tubular motor. The lubricating grease is prepared from the following raw materials in parts by weight: 45-65 parts of 20# machine oil, 20-30 parts of poly alpha-olefin, 4-8 parts of glycerol tribehenate, 5-10 parts of aluminum distearate, 3-6 parts of calcium myristate, 5-10 parts of diisooctyl maleate, 6-9 parts of sodium lauroyl sarcosine, 2-3 parts of potassium dichromate, 1.5-2.5 parts of zinc sulfate, 1-2 parts of 2-mercaptobenzothiazole, 2-4 parts of molybdenum dibutyldithiocarbamate, 10-15 parts of organobentonite, 3-5 parts of a dimerized linoleic acid copolymer and 2-3 parts of N-phenyl-2-naphthylamine. The lubricating grease disclosed by the invention has the extremely high oil film forming ability, the good noise reduction and antiwear effects, the good lubricating property and heat resistance, the excellent oxidation stability, mechanical stability and ageing resistance, and the long service life, and is applied to lubrication, friction reduction and noise reduction of the various tubular motors.

The invention discloses an elastic air cushion anti-attrition elbow. The elastic air cushion anti-attrition elbow comprises an elbow pipe wall, an elastic net and a flow dividing inserting plate, a flow dividing inserting plate is additionally arranged at an inlet to divide airflow carrying materials, so that the airflow is layered and collided, and abrasion to the wall of a bent pipe and a metal net is reduced. The elastic net is arranged in the inner side of the bent pipe wall, an air chamber area is formed between the elastic net and the inner side of the bent pipe wall, square through holes are uniformly distributed in the elastic net, and the size of the square through holes is smaller than that of internally circulating solid particles, so that air is separated from the solid particles; and a part of air enters the air chamber area through the square through hole to form the air cushion; solid particles collide with the elastic net, the elastic net absorbs impact kinetic energy of the solid particles and converts the impact kinetic energy into elastic potential energy, then the potential energy is converted into kinetic energy to accelerate the particles to rush out of the elbow, and energy loss is little while the movement direction of the solid particles is changed; and as the pressure difference exists between the inlet and the outlet of the elbow, an air cushion rushing to the axis of the elbow can be formed in the air chamber area to protect the elastic net and the elbow pipe wall. The elastic air cushion anti-attrition elbow is longer in service life, better in anti-abrasion effect and more beneficial to replacement and maintenance.

The invention discloses an improved plastic copper belt for a photovoltaic cell and relates to the technical field of plastic copper belts. The improved plastic copper belt for the photovoltaic cell comprises a rolling wheel; the surface of the rolling wheel is wound with a plastic copper belt body; the surface of the plastic copper belt is fixedly connected with one side of a rubber cushion; wearresistance cushions are fixedly connected to the positions, on the left side and the right side of a rubber cushion and on the surface of the plastic copper belt body respectively; fixed plates are in lap joint to the left side and the right side of the rolling wheel respectively; one side of the rolling wheel is provided with rotary shafts in an interpenetration manner; and the left end and theright end of the rotary shafts are movably connected with one sides of the two fixed plates respectively. For the improved plastic copper belt for the photovoltaic cell, by arranging chutes, fixed grooves, supporting columns, sleeve rings, springs, connection rods and limiting blocks, when the plastic copper belt body is used, the four limiting blocks are pulled outward to drive the correspondingconnection rods to move, the connection rods drive the corresponding sleeve rings to extrude the corresponding springs, and then the plastic copper belt body is taken for use after the rotary rollingwheel on one side of the plastic copper belt body is withdrawn.

The invention discloses a cable mounting support. The cable mounting support comprises a central column, a first connection head, a fixed clamping block, a movable clamping block and a fixed frame. The top part of the central column is connected with the bottom part of the fixed frame through a rotation sleeve. A bolt penetrates through one side of the fixed frame. The right side of the bolt is connected with the movable clamping block. The fixed clamping block is arranged at one side of the top part of the fixed frame. The first connection head and a second connection head respectively sleeve the middle part and the bottom part of the central column. A first clamping groove is further formed in the top part of the second connection head. The first clamping groove is connected with hinge pins in the inner cavities of a first support leg, a second support leg and a third support leg through cross arms. The top parts of the first support leg, the second support leg and the third support leg are respectively connected with a first connection member. According to the invention, the height of the central column is adjustable, a worker is prevented from bending down for a long time, the waist is prevented from being damaged, cable accessories are prevented from contacting the ground and sticking to dust, and the subsequent normal work of the cable is not influenced.

The invention discloses a flame-retardant tent for outdoor recreation. The flame-retardant tent comprises tent cloth and a support which is matched with the tent cloth; the tent cloth comprises top cloth, side cloth and bottom cloth; the top cloth sequentially comprises an ultraviolet protection layer, a heat insulation layer and a base cloth layer from the outside to the inside; the side cloth comprises a UV-resistant layer, a flame retardant layer and a base cloth layer which are sequentially arranged from the outside to the inside of the side cloth; the bottom part sequentially comprises anabrasion-proof layer, a moisture-proof layer, a base cloth layer and an anti-skid layer from the outside to the inside; the top cloth, the side cloth and the base cloth are mutually stitched to forma tent cloth. The invention discloses a flame-retardant tent for outdoor recreation, which reasonably improves the structure of the tent, effectively retards flame, and avoids potential safety hazardswhen being used outdoors.

The invention discloses a wear-resistant device of a water cooling pipe wall of a circulation fluidized bed boiler. The wear-resistant device comprises water cooling pipes and a rib plate used for fixing the water cooling pipes; baffles are transversely arranged on the water cooling pipes which are vertical to an axial direction of the water cooling pipes; the baffles of the adjacent water cooling pipes are located in a same plane and are formed in one row; a gap is formed between any two adjacent baffles; a semicircular groove is arranged on each baffle body; the grooves are matched with the water cooling pipes in shape; supporting legs are arranged at both sides of the grooves of the baffles; the supporting legs are linked with the rib plate; a distance between the axial adjacent two rows of the baffles of the water cooling pipes is 1.3-1.5m; and a distance between the highest points of the grooves of the baffles and the upper end surfaces of the baffles is 20-25 mm. With the adoption of the device, the baffles arranged on the water cooling pipe walls can be used for preventing fuel from being in direct friction contact with the water cooling pipe walls, so that the wear service life of the water cooling pipe walls can be naturally prolonged. The wear-resistant device has the advantages of simple structure, convenience for installation, and good wear-resistant effect of the water cooling pipe walls.

The invention discloses a water-pressure axial plunger pump piston shoe pair with a lotus leaf-like texture surface, and relates to the technical field of water hydraulic elements. The piston shoe pair comprises a swash plate and piston shoes, wherein a cross-scale secondary texture is arranged on the surface of the swash plate, and the secondary texture comprises a convex body fixedly connected to the surface of the swash plate and a small convex body or a small concave pit fixedly connected to the convex body. The piston shoe pair solves the problem of aggravation of frictional wear of water-pressure axial plunger pump piston shoe pairs and other water hydraulic element friction pairs at present, reduces the water film adhesion and friction coefficients of the surfaces of the swash plate and the piston shoes of a water-pressure axial plunger pump in the friction process, and has high wear resistance and good resistance-reducing and wear-resisting effects.

The invention discloses a robot for preventing shoes from rubbing feet, which comprises a driving assembly, a simulated motion assembly and a shell, wherein the driving assembly is fixed in the shell;the driving assembly is provided with a left driving end and a right driving end; the left driving end and the right driving end are respectively connected with the simulated motion assembly; the left driving end and the right driving end are arranged on the outer surface of the shell and are symmetrical to each other; a plurality of simulated feet are arranged on the simulated motion assembly; ashoe tree sleeved with a shoe is arranged on each simulated foot; and the driving assembly drives each simulated foot to simulate the movement of a human body so as to drive the whole body to move towards one direction.