14results about How to "Prevent oxidation and rust" patented technology

The utility model relates to a cable wire duct for photovoltaic power generation, which belongs to the technical field of cable wire ducts, and comprises a duct body and a bayonet socket fixedly connected to one end of the duct body, a plurality of groups of limiting rods are fixedly connected in the duct body, fireproof parts are attached to the adjacent sides of each group of limiting rods, and the fireproof parts are fixedly connected with the bayonet socket. The top of the groove body is connected with a groove cover through an inserting assembly, and heat dissipation holes are formed in one side of the groove body. According to the utility model, through cooperative use of the fireproof separator plate, the fireproof bag and the organic plugging material, the organic plugging material tightly wrapping the outer surface of the cable can form a physical barrier, thereby preventing moisture, dust, corrosive gas and the like from invading the surface of the cable, preventing an insulating layer from being damped and aged or a metal conductor from being oxidized and rusted, and prolonging the service life of the cable; and the arrangement of the fireproof partition plate and the fireproof bag can prevent fire spreading and smoke generated by fire from corroding other parts of the cable when the cable is on fire, so that the cable is well protected.

The utility model relates to the technical field of screw machining, in particular to a precision screw production cleaning device which comprises a mounting plate. The cleaning device further comprises a motor and a cleaning assembly, the motor is fixedly connected to the exterior of the mounting plate, the output end of the motor is fixedly connected with a first rotating roller, the motor is used for driving the first rotating roller to rotate, a side plate is fixedly connected to the exterior of the mounting plate, and a control panel is fixedly connected to the exterior of the side plate. When parts are conveyed to the top of the leakage net plate, the motor drives the first rotating roller to rotate, then the eccentric disc is driven to rotate synchronously, the eccentric disc drives the rotating plate to swing in a reciprocating mode, the residual gear and the toothed plate are in meshed transmission, the leakage net plate is pushed to vibrate in the mounting plate in a reciprocating mode, and the parts are dried through the drying device under the vibration effect. By means of the design, water on the surfaces of the parts can be treated in time, it is avoided that residual water accelerates oxidation and rusting of the screws, and the quality of the parts is guaranteed.

The utility model discloses a novel pumpkin piece suitable for plate furniture connection, including pumpkin suite main part, the outer surface of pumpkin suite main part has the height difference step, the outer surface of pumpkin suite main part is equipped with eccentric wheel accommodation chamber, the inside of eccentric wheel accommodation chamber is equipped with eccentric wheel module, the outer surface of pumpkin suite main part is equipped with the decoration cover module. The cooperation of this device through eccentric wheel accommodation chamber and eccentric wheel module, utilize the built -in limit card slot of eccentric wheel accommodation chamber, make eccentric wheel module pass through hexagonal hole rotation locking, will traditional exposed eccentric wheel completely hide in the cavity, can effectively avoid the problem of oxidation and corrosion, at the same time through trapezoidal installation groove cover beautification cover plate, improve the overall aesthetic, the decoration cover main part of the equipment is fixed through the connecting clamping block and the clamping slot of pumpkin suite main body quickly, can effectively solve the problem that traditional three in one connecting piece is exposed big, influence furniture appearance.

The utility model discloses a finished product storage device for aluminum profile processing, which belongs to the technical field of aluminum profile production, processing and storage, and adopts the technical scheme that the finished product storage device comprises a shell, a plurality of groups of placing assemblies are arranged in the shell, and partition assemblies are arranged in the placing assemblies. The silica gel drying block can fully permeate into the placing box under the moisture absorption effect to continuously absorb moisture in the air, so that the aluminum profile placed in the placing box is prevented from being oxidized and rusted due to damp, and a dry and stable storage environment can be provided for the aluminum profile; and the separation assembly can quickly adjust the position of each separation plate according to the size of the aluminum profile, and ensures that the separation plates are stable and do not move in the using process, so that the aluminum profiles of different specifications can be accurately separated, disordered stacking is avoided, the efficiency of taking and placing the profiles by workers can be improved, and the practicability and reliability of the device are remarkably enhanced.

The utility model relates to the technical field of sealant filling and pressing devices, in particular to a sealant filling and pressing device which comprises a plurality of limiting grooves distributed at equal intervals in the upper surface of an installation disc, U-shaped through grooves formed in the lower surfaces of the limiting grooves, a plurality of T-shaped grooves distributed at equal intervals in the side wall of a pressing disc, and T-shaped sliding blocks arranged on the inner surfaces of the T-shaped grooves. The inner surfaces of the T-shaped sliding blocks are in threaded connection with hexagon socket screws, protection assemblies are arranged on the side walls of the installation disc and the pressing disc and comprise first protection plates and second protection plates, installation grooves are formed in the edges of the surfaces of the installation disc, installation blocks are fixedly installed on the surfaces of the first protection plates and the surfaces of the second protection plates, and screws are arranged on the inner surfaces of the installation blocks. Compared with the prior art that threads of a bolt need to be completely screwed out, time and labor are saved when the pressure plate is dismounted, the dismounting speed is effectively increased, the possibility that the hexagon socket screw is in contact with sealant is effectively isolated, and the hexagon socket screw is prevented from being oxidized and rusted.

The application relates to a liquid rocket engine test heating device, in particular to a liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device and method, and solves the technical problem that the existing low-temperature liquid rocket engine usually adopts an external hot air forced convection or electric heating wire heating nitrogen gas mode to heat the pipeline and the engine inner cavity nitrogen gas, and it is difficult to meet the low-temperature liquid rocket engine pipeline and engine inner cavity rapid temperature recovery requirement. The liquid rocket engine inner cavity induction heat accumulation type hot nitrogen gas supply device comprises a heating unit, a pressure monitoring unit, a temperature monitoring unit and a control unit; the heating unit comprises a buffer tank and a heating assembly arranged on the buffer tank; an air inlet of the buffer tank is used for being connected with an air source; the pressure monitoring unit and the temperature monitoring unit are arranged on the buffer tank and are connected with the control unit respectively; and the control unit is used for controlling the heating assembly to work according to the inner cavity nitrogen gas temperature and the outer wall temperature of the buffer tank.

The present application belongs to the technical field of metal manufacturing, and particularly relates to a steam treatment product cooling device and a cooling method thereof, which comprises an outer barrel, an inner barrel, a top cover, a flow guide air supply assembly and an adjustment space assembly; the inner barrel is arranged in the inner part of the outer barrel, and a chamber for accommodating a cooling medium is formed between the inner barrel and the outer barrel; the top cover is arranged on the top of the outer barrel; the present application is designed by means of double cooling and non-direct blowing air flow, specifically, the cooling medium between the outer barrel and the inner barrel is used to indirectly reduce the ambient temperature of the inner barrel, so as to reduce the temperature difference between the part and the cooling environment, avoid sudden cooling, and divide the cold air of the air blower into two paths by the flow guide air supply assembly; the spiral flow guide plate guides the air flow to surround the outer side of the part, the injection rod is directionally injected into the gap between the parts, and the injection inclined plate and the air gathering ring are used to realize full-dimension air flow coverage; the air flow is uniformly and gently contacted with the surface of the part, and there is no local air sharp cooling, so that the condensate water generation condition is eliminated from the root, and then the oxidation and rust are avoided.

The invention relates to the technical field of aluminum casting surface treatment, in particular to a cylindrical light-weight aluminum casting surface treatment device which comprises a manufacturing equipment table, when the device is used, automatic clamping, lifting and precise grinding of a cylindrical light-weight aluminum casting can be achieved, manual casting taking and manual grinding are not needed, the production efficiency is improved, and the production cost is reduced. A first air cylinder in the positioning assembly drives positioning blocks to move oppositely, friction heads at the corners of the positioning blocks are matched, a casting can be stably clamped, the casting is prevented from sliding and deviating in the clamping process, a threaded rod in the grinding assembly is adjusted, the position of a grinding wheel can be flexibly adjusted by rotating a handle, and the grinding requirements for grinding wheel abrasion and different castings are met; the stepping motor drives the lead screw to drive the sliding block and the grinding wheel to move stably, accurate linear grinding of the parting line is achieved, other surfaces of the casting are prevented from being ground by mistake, the appearance neatness and structural integrity of the casting are guaranteed, and the efficient and accurate production requirements of the intelligent manufacturing equipment industry are met.

The utility model relates to industrial computer technical field especially is a kind of micro industrial computer, including shell bottom plate, component upper cover, front baffle, back baffle and extension antenna, the base surface corner of shell bottom plate is respectively provided with copper column support, the outer wall of copper column support is equipped with extension board, the utility model is contacted by setting PCB screw hole and rivet column, wherein the IO port of extension board and the inner wall of complete machine contact, effectively improve the anti-interference ability of complete machine, while external grounding screw, can be connected with ground, further guarantee the performance of complete machine, overall structure is easy to install, component upper cover is fixed by screw, can be easily disassembled and assembled, shell bottom plate integrated support, it is convenient to install in any position, shell bottom plate and component upper cover of aluminium alloy material passive heat dissipation, passive heat dissipation, high efficiency stable, solid and reliable, compression resistance and drop resistance, external anodizing, effectively prevent shell oxidation rust, better practicality.

The application provides a positioning and leveling device for house measurement. The positioning and leveling device for house measurement comprises a long plate, first electric push rods fixedly installed on the outer walls of the two sides of the long plate, extrusion plates fixedly installed on the output shafts of the two first electric push rods, a plurality of rolling spherical balls rollingly installed on the outer walls of the sides of the two extrusion plates away from each other, a rotating screw threadedly installed on the long plate and penetrating through the long plate, a connecting plate rotatably installed at the bottom end of the rotating screw, a vertical plate fixedly installed at the bottom of the connecting plate, and a pressing plate fixedly installed at the bottom of the vertical plate. The positioning and leveling device for house measurement has the advantages of convenient use, automatic overall leveling of the ground of the house, and reduction of the working strength of workers.

The utility model belongs to the technical field of metal rolling equipment, particularly relates to a double-descaling-ring device for hot-rolled steel billets, and aims to solve the problems that in the prior art, the adaptation to the surface radians of the steel billets of different specifications is difficult, loose scale caused by high-pressure spraying is easy to remain on the surfaces of the steel billets, and water stains on the surfaces of the steel billets cannot be quickly dried. According to the scheme, the conveying device comprises a conveying frame, a plurality of conveying rollers are rotationally installed in the conveying frame, supporting legs are fixedly installed on the left side and the right side of the bottom of the conveying frame, a first supporting frame and a second supporting frame are fixedly installed on the top of the conveying frame, the first supporting frame is located on the left side of the second supporting frame, and a storage box is fixedly installed on the top of the first supporting frame; the high-pressure spraying mechanism is arranged at the bottom of the first supporting frame and used for spraying hot-rolled steel billets. The high-pressure spraying device can adapt to the radians of the surfaces of the steel billets of different specifications, iron oxide scales which are loosened after high-pressure spraying are prevented from remaining on the surfaces of the steel billets, and water stains on the surfaces of the steel billets are quickly blown dry.

The invention relates to the technical field of assembly type composite structures, in particular to a pre-tensioning prestress assembly type composite structure. According to the technical scheme, the fabricated structure comprises a fabricated structure body, the fabricated structure body comprises a plurality of concrete-filled steel tubular columns, a plurality of cube lantern ring frames are welded to the outer sides of the concrete-filled steel tubular columns, and beam column positioning assemblies are installed on the outer side of the fabricated structure body; the beam column positioning assembly comprises a beam column positioning frame connected to the outer side of the steel pipe concrete column in a sleeving mode. Manual hole position alignment is replaced by a friction fixing mechanism that a telescopic bidirectional hinge rod in the beam column positioning assembly is attached to a lantern ring frame, the adjusting time is shortened, meanwhile, the two hands of a worker are liberated, the bolt can be operated through the two hands, the falling risk caused by single-hand stable supporting is avoided, and the safety requirement of intelligent construction is met.

The utility model relates to the technical field of building construction discloses a high -strength steel column column foot connecting structure, including steel column body, a plurality of rotating cap, sealing box, first sealing plate and second sealing plate, the steel column body outer wall lower end face fixedly set up trapezoidal stiffening rib, trapezoidal stiffening rib outer wall front and rear end and outer wall both sides all are set up first hole, a plurality of rotating cap upper end face all are fixedly set up arrow, a plurality of rotating cap lower end face all are set up hexagon hole, sealing box inner bottom surface sets up a plurality of second hole, first sealing plate and second sealing plate upper end face all set up a plurality of third hole, first sealing plate and second sealing plate lower end face all are fixedly set up second sealing pad, in the utility model, the device can effectively avoid nut and anchor bolt oxidation rust, still can more directly observe whether the nut is loose.

The utility model relates to the technical field of tool boxes, in particular to a tool box for automobile detection equipment, which comprises a box body, a buffer gasket is fixedly mounted at the lower end of the box body, a layered placing mechanism is arranged in the box body, and a dustproof auxiliary mechanism is movably mounted at the upper end of the box body. The layered placing mechanism comprises first limiting pieces movably installed on the inner side wall of the box body at the same height, a drying agent storage cavity is formed in the lower end of an inner cavity of the box body, a lower storage plate is placed on the first limiting pieces, and a rubber protruding block is detachably installed on the lower storage plate. According to the device, the layered placing mechanism and the dustproof auxiliary mechanism are arranged, the upper storage plate, the lower storage plate and the rubber protruding blocks are matched with one another, disassembly parts of the compression pulse type brake oil replacing machine can be stored in a classified mode, the rubber protruding blocks can independently limit a plurality of connector assemblies, and therefore the disassembly parts can be conveniently disassembled. Movement and collision of the parts in the box in the transferring process can be effectively avoided, and the damage risk is greatly reduced.