12results about How to "Corrosive" patented technology

A water tank of a water pick and the water pick, the water tank comprising a tank body and a water suction pipe, the tank body having a liquid storage cavity for storing liquid; the water suction pipe is integrally formed with the tank body and extends to the bottom of the liquid storage cavity, the water suction pipe has a liquid inlet and a liquid outlet that are in communication with each other, the liquid outlet is used to communicate with the main machine of the water pick, the liquid inlet is close to the bottom of the liquid storage cavity and communicates with the liquid storage cavity, and the liquid outlet is farther away from the bottom of the liquid storage cavity than the liquid inlet. The water suction pipe is designed to be integrated with the water tank, a hose does not need to be independently arranged, the assembly steps of the water suction pipe are reduced, the risk of water leakage is reduced, the water tank can be made of the same material as the tank body, corrosion resistance and aging resistance can be achieved, and even the structural strength and production efficiency can be improved.

The utility model relates to the technical field of sampling bottles, and provides a sampling bottle drying device for detecting granularity of an oil sample, which comprises a box body, a drying box, a drying component and a drying device, wherein the drying box is fixedly arranged at the top of the box body; the drying assembly comprises a drying mechanism, a nitrogen cleaning mechanism, a lifting mechanism, a rotating mechanism, a plurality of spraying pipes, a U-shaped pipe and a plurality of connecting pipes fixedly installed on the outer side wall of the U-shaped pipe. A motor drives a lead screw to rotate in a sliding groove plate, a spraying pipe is adjusted upwards to stretch into a sampling bottle, gas in a filtering shell is extracted through a first air pump to be used for conducting hot air drying on the interior of the sampling bottle, and nitrogen in a nitrogen box is extracted through a second air pump to be used for cleaning the interior of the sampling bottle; and during air blowing and nitrogen blowing, the first gear is driven by the motor to rotate, and the second gear in linkage meshing connection drives the spray pipe to rotate on the rectangular frame, so that the drying and cleaning efficiency of the sampling bottle is effectively improved.

The utility model relates to the technical field of cable maintenance devices, and discloses a device for testing a temperature sensing cable, which comprises a box body assembly, the interior of the box body assembly is of a hollow structure, a first surface and a second surface of the box body assembly are provided with holes, and the first surface and the second surface are two opposite surfaces of the box body assembly. The hollow structure and the two open holes form an accommodating cavity for accommodating a temperature sensing cable; the heating piece is arranged in the box body and is used for heating the accommodating cavity; and the temperature control assembly is arranged in the box body, the temperature control assembly is electrically connected with the heating piece, the temperature control assembly is used for obtaining the temperature in the containing cavity, and the temperature control assembly is further used for controlling the heating temperature of the heating piece. The temperature-sensing cable monomer debugging device can reduce the test manpower demand, improve the working efficiency of testers, can be repeatedly used in a subsequent nuclear power unit, reduces the material loss, can be used for debugging the temperature-sensing cable monomer of a nuclear power plant fire alarm system, and can also be used for debugging other monomers equipped with temperature-sensing cables for nuclear power plant and the like.

The high-temperature-resistant ceramic composite thermocouple protective sleeve comprises a protective tube body, the protective tube body comprises a protective tube outer layer, a protective tube middle layer and a protective tube inner layer which are sequentially arranged from outside to inside, and the protective tube outer layer is formed by compounding a mullite ceramic layer and a high-temperature-resistant anti-oxidation coating coated on the mullite ceramic layer. The outer surface of the non-measuring end of the protective tube outer layer is further provided with a wear-resistant protrusion, the inner wall of the protective tube inner layer is provided with a spiral groove, the bottom end of the protective tube inner layer is in threaded connection with a sealing end cover, and the sealing end cover and the bottom end of the protective tube body are fixedly sealed through high-temperature-resistant sealant. The protective sleeve solves the problems that an existing protective sleeve is easy to damage in a high-temperature environment, low in heat conduction efficiency and the like through the optimal design of the structure and the material.

The utility model discloses a kind of sealing structure for carrier roller, including seal cover and end cap, seal cover and end cap are all set as circular disc body structure, and the outer diameter of end cap is greater than the outer diameter of seal cover, axial through hole one is equipped in the center of seal cover, and axial through hole two is equipped in the center of end cap, seal cover rear end surface is equipped with boss surface one, and first sealing portion is equipped in boss surface one;While end cap front end surface is equipped with boss surface two, and second sealing portion is equipped in boss surface two, seal cover and end cap are mutually inserted and buckled between first sealing portion and second sealing portion, form intercalation labyrinth type sealing connection structure.Using the sealing structure in the utility model, through the cooperation of seal cover, end cap and dust cover, the assembly process is simplified, effectively solve carrier roller end portion water seepage and dust problem, improve the service life of carrier roller, to meet the conveying requirement of belt conveyor, its overall structure is simple, reasonable in design, suitable for popularization and application.

The utility model relates to the technical field of reconnaissance equipment, in particular to an orifice sealing device of a compartment type drilling machine for a polar region house, which comprises a fixed seat, a first through hole, a second through hole and a sealing device, the fixed seat is fixedly arranged at the bottom of a house compartment, the fixed seat is axially provided with the first through hole, and the inner wall of the first through hole is provided with an overflow port; the sealing assembly penetrates through the first through hole to be inserted into the hole opening, a sealing connecting piece is arranged at the bottom of the first through hole, and the sealing connecting piece is connected with the sealing assembly in a sealing mode; the sealing assembly comprises a first sealing pipe, a second sealing pipe and a third sealing pipe which are arranged in a nested mode from outside to inside in the radial direction, the outer wall of the first sealing pipe makes contact with the ice and snow layer, an annular sealing cavity is formed between the inner wall of the second sealing pipe and the outer wall of the third sealing pipe, and a drilling fluid channel is formed in the inner wall of the third sealing pipe.

The utility model discloses a fixed adjustable photovoltaic support with a composite protective layer, which comprises a main beam, the main beam is hinged on a front upright post and an inclination angle support rod, the other end of the inclination angle support rod is hinged with a sliding block, the sliding block is supported on a cross beam in a sliding manner, and the cross beam is fixedly arranged on the front upright post and a rear upright post; a screw rod support is further fixedly mounted on the cross beam, a polished rod section of the screw rod is rotatably supported on the screw rod support, and a threaded section of the screw rod penetrates through a screw hole in the sliding block and extends forwards; the profile surfaces of the main beams, the inclination angle supporting rods, the front stand columns, the rear stand columns and the cross beams are plated with corrosion-resistant alloy layers, and the corrosion-resistant alloy layers are covered with erosion-resistant coatings. And a driving wheel or a rocking handle is mounted at the polish rod extending end of the screw rod. A sliding clamping block is fixedly installed on the polished rod section of the screw rod, and the sliding clamping block is rotatably supported on the screw rod support. The photovoltaic support not only can adjust the elevation angle of the photovoltaic module, but also has double effects of corrosion resistance and erosion resistance.

This invention relates to a composite material thin-walled tube and its manufacturing process. The composite material thin-walled tube is made of a high-performance fiber-reinforced resin composite material, which includes a fiber reinforcement and a resin matrix. The fiber reinforcement is an etched high-performance fiber. The composite material thin-walled tube has a certain aspect ratio and a chamfer at the end. A thin-walled layer exists within the voids of the composite material thin-walled tube. The cross-section formed by the thin-walled layer and the outer wall layer of the composite material thin-walled tube is an irregular cross-section. Structurally, this irregular cross-section is divided into a load-bearing zone and a restraining zone. The load-bearing zone and the restraining zone respectively constitute the load-bearing layer and the restraining layer of the thin-walled tube along its length. This invention features lightweight and high energy absorption, with more efficient and stable energy absorption, solving the technical problem that composite material tubes are difficult to simultaneously achieve small deformation and high energy absorption.

The utility model relates to the field of chemical titration devices, and discloses a chemical titration rapid analysis device which comprises a base, a motor groove is formed in the base, a motor is installed in the motor groove, a transmission groove is formed in the top side of the motor groove, and the driving end of the motor is fixedly connected with a rotating disc. And arc-shaped grooves are formed in the left end and the right end of the interior of the rotating disc, fixing assemblies are arranged in the arc-shaped grooves, a liquid storage box is fixedly connected to the rear side of the base, and a control assembly is arranged in the liquid storage box. According to the utility model, the motor drives the turntable to drive the sliding rod and the sliding block to enable the fixing piece to automatically fix the container, so that the container is prevented from shaking in the titration process, and the titration precision is guaranteed. The knob is rotated to drive the screw rod to extrude liquid in the liquid storage tank, so that rapid titration is realized, the experiment efficiency is improved, the requirements on high efficiency and stability of titration operation in chemical analysis are met, and powerful support is provided for accurately acquiring experiment data.

The utility model relates to a three-dimensional power supply device with a circuit layer, which comprises a flexible metal-based copper-clad plate, a mounting hole, a fireproof silica gel coating and an electronic part, the flexible metal-based copper-clad plate is provided with the mounting hole, the electronic part is welded in a cavity of the flexible metal-based copper-clad plate, the fireproof silica gel coating is sprayed on the electronic part, and the fireproof silica gel coating is arranged in the cavity of the flexible metal-based copper-clad plate. The flexible metal-based copper-clad plate is provided with a fixing structural member, a wire is inserted into the mounting hole, and the flexible metal-based copper-clad plate is in threaded connection with a hexagon nut. According to the utility model, the electronic parts are directly and flatly attached to the surface of the flexible metal-based copper-clad plate, and heat generated during working can directly penetrate through the flexible metal-based copper-clad plate to be quickly dissipated, so that the heat conduction capability of the internal electronic parts is greatly improved, and the working efficiency of the whole power supply circuit is remarkably improved; and the driving working power can be improved under the same area, so that the energy-saving effect is realized.

The utility model relates to the technical field of storage boxes, and discloses a multi-lattice bin disposable stacked double-fold eyelid sticker storage box which comprises a storage box body. The storage box is made of acrylic materials, so that the whole storage box looks more exquisite and attractive, the partition plates are fixed on the inner wall of the storage box, different types of double-fold eyelids can be stored in a separated mode through the partition plates, the different double-fold eyelids are prevented from being intertwined, a user can store and take the double-fold eyelids conveniently, and the practicability of the whole storage box is improved; a sleeving groove is formed in the outer wall of the storage box and avoids the plastic sealing cover, meanwhile, a plastic clamping block is fixed to the outer wall of the sleeving groove, when the plastic clamping block makes contact with the first plastic clamping block, the plastic sealing cover can be fixed and prevented from being accidentally opened, and a flexible connecting plate is fixed to the outer wall of the storage box, so that the plastic sealing cover is prevented from being accidentally opened. The flexible connecting plate and the plastic sealing cover are fixed, the plastic sealing cover and the storage box are connected through flexible plastic, and meanwhile the flexible connecting plate prevents the opening angle of the plastic sealing cover from being too large.

The application belongs to the field of surface treatment of metal materials, and particularly discloses a method for preparing a super-hydrophobic aluminum oxide coating on a magnesium alloy surface. The method comprises the following steps: placing the magnesium alloy into an aluminum chloride solution, heating in a water bath, and then blowing dry under an argon atmosphere for standby; combining high-temperature heating to cause a dehydration reaction; and finally using a polydimethylsiloxane (PDMS) vapor deposition surface modification method to prepare the super-hydrophobic aluminum oxide coating. The coating surface has a static contact angle of 163.6° with respect to water, and a rolling angle of 3.5°. The coating has mechanical chemical stability and corrosion resistance. The method is simple and convenient, low in cost, and has a large-scale application prospect.