11results about How to "Solve easy rust" patented technology

The invention discloses a preparation method of a bonded magnet with low magnetic energy product and high coercive force. The preparation method comprises the following steps: dissolving magnetic powder into an organic solvent to obtain a glue solution; adding the glue solution into the strontium ferrite magnetic powder, and heating and stirring at the rotating speed of 15-30r / min; adding neodymium iron boron magnetic powder, continuously stirring, adjusting the rotating speed to 10-20 r / min, and vacuumizing until the vacuum degree is 0.08-0.1 Pa; stopping vacuumizing, adjusting the rotating speed to 50-60r / min, cooling to 5 + / -5 DEG C, and continuously stirring to obtain mixed magnetic powder; the mixed magnetic powder is crushed and screened and then subjected to compression molding; and sequentially carrying out heating curing, epoxy resin surface treatment and magnetizing on the molded product. According to the method, dry-method mixing and wet-method mixing are effectively combined, the evenly-mixed magnetic powder is obtained, the finished magnet meets the requirement, the magnetic energy product is continuously adjustable while high coercive force is kept, and the cost performance of the magnetic powder is greatly improved.

According to the technical scheme, the communication cable protection device comprises a first cylinder, the first cylinder is sleeved with a second cylinder, and the inner edge face of the second cylinder is attached to the outer edge face of the first cylinder to rotate; the left side and the right side of the first cylinder are each provided with a set of extrusion unit, each set of extrusion unit is composed of a plurality of extrusion blocks evenly distributed in the circumferential direction, the second cylinder rotates to enable the multiple extrusion blocks to be fixed when the multiple extrusion blocks move into a cavity of the first cylinder, and the multiple extrusion blocks reset when the second cylinder rotates reversely; a sliding plate is arranged at the inner end of each extrusion block, moves left and right on the extrusion block, and resets to the middle position after sliding; according to the scheme, the structure that the plurality of extrusion blocks extrude the cable is adopted, the problem that a thread structure adopted in the prior art is prone to rusting in a humid environment is solved, and the service life of equipment is prolonged; the sliding plate can move left and right along with the pulling of the cable, thereby buffering the pulling force, effectively preventing the pulling force from directly damaging the outer wall of the cable, and improving the communication safety of the cable.

The invention provides a tire grating component without mechanical damage and a method, relates to the field of solid waste utilization, and aims to solve the problem that the grating performance is affected due to the fact that the grating fixing position formed by a current tire strip easily causes mechanical damage to the strip. The crossed positions of the longitudinal strips and the transverse strips of the tire grating are wrapped and connected by the hardened body formed by the slurry, so that the durability problem caused by the fact that metal connecting pieces such as rivets are easy to rust is solved, meanwhile, the problem that the tensile strength of the tire grating is influenced due to mechanical damage to the tire grating is avoided, and the tensile strength of the tire grating is improved.

The invention discloses a continuous plastic dipping production process for C-shaped steel, and relates to the technical field of building materials. The C-shaped steel continuous plastic dipping production process comprises the steps that a core material is fed into heating equipment to be preheated; the preheated core material is fed into an inner tank of a boiling tank to be subjected to powder soaking, and then powder homogenizing is conducted through an outer tank of the boiling tank; the core material obtained after powder uniformizing is fed into a feeding area to be heated and fused, then cooling is conducted, a fully-wrapped plastic dipping layer is formed on the core material, and C-shaped steel is obtained; wherein the plastic dipping layer at least comprises modified polyethylene or modified polyvinyl chloride. According to the C-shaped steel continuous plastic dipping production process, continuous production is achieved, efficiency is improved, the plastic dipping labor intensity is reduced, port full protection and corrosion prevention are achieved, the corrosion prevention effect of the C-shaped steel surface is improved, and the problem that a port is prone to rusting is solved.

The invention relates to the technical field of hydraulic engineering, and discloses an FRP bar concrete aqueduct body which comprises an upper protection layer, a middle layer and a lower protection layer which are sequentially arranged on a bottom plate from top to bottom in the thickness direction, the upper protection layer and the lower protection layer are poured through common concrete, and the middle layer is poured through high-strength concrete; the two side walls are both made of concrete, are vertically arranged on the bottom plate and are parallel to each other; the plurality of FRP rib meshes are respectively arranged in the upper protective layer, the lower protective layer and the two side walls, the FRP rib meshes in the upper protective layer and the lower protective layer are horizontally arranged, and the FRP rib meshes in the two side walls are vertically arranged; the plurality of prestressed FRP ribs are arranged in the middle layer along the length direction of the aqueduct body; the FRP bar concrete aqueduct body solves the problems that according to an existing aqueduct body, due to corrosion of steel bars, durability of a reinforced concrete aqueduct body is degraded, the ultimate bearing capacity is reduced, the service life is shortened, and even use safety is affected.

The application discloses a bed type stainless steel heat accumulating high-temperature incinerator, wherein the lower chamber body is in a wind pipe structure, the upper chamber body is in a stainless steel corrugated concave-convex structure, the upper chamber body is located in the inner portion of the upper end of the lower chamber body and is communicated with the lower chamber body through a lower chamber body communication flat push valve.

The utility model relates to heat pump technical field discloses a kind of heat pump unit overhaul assembly shell and the heat pump unit with it.The heat pump unit overhaul assembly shell includes: overhaul panel, its parallel two side edges are spaced apart and are provided with multiple groups of first buckle;Mounting side plate is provided with a pair, a pair The mounting side plate is respectively installed with the two side edges of the overhaul panel provided with the first buckle, the side edge of the mounting side plate is provided with first card slot, the first buckle and the first card slot between sliding joint cooperation;Mounting chassis, connection flanging is set on it, the mounting side plate is all with the detachable connection of the connection flanging.When the special shape of the special-shaped surface is designed for overhaul panel, the installation of overhaul panel can be completed by short-distance sliding after first buckle and first buckle alignment installation, ensure the stability of installation structure connection, and further ensure the protection performance of heat pump unit overhaul assembly shell to internal overhaul assembly.

The utility model belongs to the technical field of explosion venting plates, and particularly relates to an aluminum-magnesium-manganese plate structure of an explosion venting plate, which comprises a fireproof explosion venting plate body and a mounting component arranged on the surface of the fireproof explosion venting plate body. The installation assembly comprises an aluminum-magnesium-manganese containing box arranged below the fireproof explosion venting plate body and an aluminum-magnesium-manganese covering box arranged on the surface of the aluminum-magnesium-manganese containing box in a sleeving mode, and the fireproof explosion venting plate body is arranged in the aluminum-magnesium-manganese containing box. An L-shaped plate is inserted into a groove formed by the fireproof explosion venting plate body and the aluminum-magnesium-manganese containing box; the fireproof explosion venting plate body is wrapped and assembled through the aluminum-magnesium-manganese plate made of the aluminum-magnesium-manganese alloy, the problem that the outer surface layer of metal is prone to rusting and color changing is solved, the service life of the explosion venting plate is prolonged, strong glue does not need to be used for bonding connection in the explosion venting plate assembling process, and therefore the explosion venting plate is more environmentally friendly.

The utility model discloses a power transmission line iron tower leg structure which comprises a base, a main material is installed on the top of the base, a protection structure is arranged in the main material and comprises a base layer, an anti-corrosion layer and a sheath layer, the base layer is arranged in the main material, the anti-corrosion layer is arranged on the outer side of the base layer, and the sheath layer is arranged on the outer side of the base layer. And a sheath layer is arranged on the outer side of the anti-corrosion layer. The utility model relates to the technical field of power transmission iron towers, through the cooperation among the base layer, the anti-corrosion layer and the sheath layer, the sheath is added on the outermost layer of the main material for protection, the anti-corrosion paint on the surface is prevented from being damaged, and the problems that the tower leg position of the existing structure is close to the ground and is easy to rust and difficult to damage are solved. And the service life of the tower leg position is shortened if an anti-rust method which is the same as that of the tower head and the tower body is adopted.

The frying and baking machine comprises an upper baking tray assembly, the upper baking tray assembly comprises a cover body and a heating pipe, the upper baking tray assembly further comprises a filter screen, the filter screen is detachably installed in the cover body, the filter screen and the cover body define a containing cavity, the heating pipe is arranged in the containing cavity, the filter screen is provided with a fixing buckle, and the cover body is provided with a detachable assembly. The detachable assembly comprises a movable buckle and a button, one end of the button is exposed out of the cover body, the other end of the button is connected with the movable buckle to drive the movable buckle, the movable buckle is rotatably provided with a first position and a second position, when the movable buckle is located at the first position, the movable buckle is in locking fit with the fixed buckle, and when the movable buckle is located at the second position, the movable buckle is in locking fit with the fixed buckle. And the movable buckle is separated from the fixed buckle. According to the frying and baking machine, the filter screen can reduce the blocking effect on heat radiation of the heating pipe, so that heat of the heating pipe fully acts on food materials; the filter screen is easy to disassemble and assemble through the detachable assembly, the requirement for a user is low, and the use experience of the user can be improved.

The utility model discloses a high-stability speed reducer which comprises a speed reducer body, a speed reduction assembly is fixed in the speed reducer body, a speed change assembly is fixed on the back of the speed reduction assembly, a disassembly assembly is arranged on the top of the speed reducer body, a circular ring hole is formed in the front end of the speed reducer body, and bearing grooves are formed in the two sides of the speed reducer body. By arranging the speed change assembly, a servo motor drives a sliding block to directionally move on a transmission lead screw, a hydraulic cylinder extends a first connecting gear to a proper distance according to needs, so that the first connecting gear is in meshed connection with a corresponding gear on a speed change gear, and the problem that in the using process of an existing high-stability speed reducer, the speed change gear is not stable is solved. The problem that the speed reducer cannot be adjusted according to different torques of the output end is solved, and the effect that the speed reducer can be correspondingly adjusted according to different output torques is achieved.