43results about How to "Less susceptible to erosion" patented technology

The invention discloses a charging apparatus. The charging apparatus includes a charging body, a robot arm, and a feeding coupler. The charging body defines a receiving portion. The robot arm is movably coupled to a sidewall of the receiving portion and received in receiving portion. The feeding coupler is coupled to the robot arm and used to supply electric power to the electric vehicle. According to the invention, the charging apparatus is provided with a receiving portion which can accommodate the robot arm and the feeding coupler in the receiving portion. The robot arm and the charging body can be received in the receiving portion when not in use. The charging apparatus is not prone to rail and dust damage, and has prolonged service lifetime..

The invention belongs to the technical field of gate sensors, and specifically discloses a gate opening degree sensor, which comprises a limiting rod and a mounting bracket, a rack is arranged on oneside wall of the limiting rod, the mounting bracket is connected witha detection gear through a pin shaft, and the detection gear and the rack are coupled; one end of the mounting bracket is fixedly connected with a rotation speed sensor in a threaded mode, the rotation speed sensor and the detection gear aremounted on the same side, the detection end of the rotation speed sensor faces towards thedetection gear,the detection gear rotates through the meshing action between the rack and the detecting gear, thus the detecting basis of the rotating speed sensor is provided, the detection is convenient, the installation method is simple, and water erosion is unlikely; by using the rotation speed sensor and the detection gear cooperatively, data detection is relatively accurate; and through theinstallation method of the mounting bracket and the rotation speed sensor, installation and disassembling are convenient, and subsequent maintenance is more convenient.

The invention belongs to the technical field of electric cleaning tools, and particularly relates to a waterproof charging base mechanism which comprises a charging base and an electric cleaning tool main body, wherein a charging support is integrally formed at the left end of the charging base, hanger hooks are installed in the middle of the outer wall and the inner wall of the charging support, a pressing rod is installed in the middle of the interior of the charging support through a rotating rod, the bottom of the pressing rod is installed at the bottom of the charging support, a charging terminal is integrally formed at the top of the pressing rod, a spring is embedded in the outer wall of the charging terminal, the tail end of the top of the charging terminal penetrates through the top of the charging support, extrusion blocks are installed on the left side and the side wall of the bottom end of the electric cleaning tool main body, a cleaning material is installed on the right side of the bottom end of the electric cleaning tool main body, a contact piece is installed on the left side of the top of the electric cleaning tool main body, and a control circuit is installed at the right end of the contact piece. According to the invention, the butt joint reliability of charging is improved, the charging terminal is prevented from being contacted with moisture, and the charging terminal is prevented from being damaged.

The invention discloses a self-hardening waterproof rubber sheath for a ship wire, and belongs to the field of cable sheaths. The self-hardening waterproof rubber sheath for a ship wire comprises a sheath body, and the outer end of the sheath body is fixedly connected with a plurality of outer water-blocking blocks which are uniformly distributed. An outer water blocking block and an outer water blocking laminated net are arranged; multiple layers of water vapor blocking barriers can be formed on the surface of the sheath body, so that water vapor is effectively prevented from contacting withthe surface of the sheath body, corrosion of water vapor to the surface of the sheath body is reduced, the corrosion and aging speed of the sheath body is further reduced, the annular water blocking sleeve is arranged inside; the surface of the sheath body is aged and seeps water, the sheath body is provided with the annular water blocking sleeve, hardening can be achieved, a worker can find the water seepage situation of the sheath body in time according to the overall bending performance of the electric wire, maintenance is conducted in time, potential safety hazards are reduced, meanwhile,the annular water blocking sleeve can form a water blocking barrier again in the sheath body through water absorption expansion, and water vapor is effectively prevented from continuously permeating into the sheath body.

Described herein is a turbine-drill bit assembly (600) in which the gap between the turbine and the drill bit is minimised and overall assembly is substantially shorter. The assembly (600) comprises a box connection turbine (610) connected to a pin connection drill bit (500). The turbine (610) has a turbine body (640, 650, 650a, 650b) around a turbine shaft (630), the turbine body (640, 650, 650a, 650b) having a turbine stabiliser (650, 650a, 650b). The drill bit (500) has a bit gauge or a bit sleeve (530) around a bit shank (520), an end (655) of the turbine stabiliser (650) nearest the drill bit (500) being spaced a first maximum distance (A) from an end (535) of the bit gauge or bit sleeve (530). In addition, a shouldering interface (560) is formed at respective abutment shouldering surfaces (635, 525) of the turbine shaft (630) and bit shank (520) when the drill bit (500) is attached to the turbine shaft (630), the interface (560) being spaced a second maximum distance (B) from an end (535) of the bit gauge or bit sleeve (530). The advantage of these limited distances reduces the annular volume in which mud and rock debris can build up thereby reducing erosion and wear, In addition, a more rigid assembly is provided which is less susceptible to vibrations. This reduces the risk of sticking of the turbine-drill bit assembly in the wellbore and provides better directional control.

The invention discloses a dust collection device for high temperature dust containing waste gas and a use method thereof and relates to the technical field of waste gas treatment. A technical problemthat waste heat in the high temperature dust containing waste gas cannot be recycled is solved. The technical key point is that the dust collection device for the high temperature dust containing waste gas comprises a dust collection device body; the dust collection device body comprises a shell and a filtering component, wherein an air inlet and an air extracting opening are correspondingly formed in the two ends of the shell, and the filtering component is arranged in the shell; the air inlet of the shell is arranged in a shape of a tapered pipe; a heat exchanger is mounted in the air inletof the shell; a refrigerant inlet of the heat exchanger is communicated with an outside water source; a water storage tank communicating with a refrigerant outlet of the heat exchanger is arranged outside the shell; a U-shaped tube with one end communicating with the interior of the shell is arranged at the bottom of the shell; one end, far away from the shell, of the U-shaped tube is lower than the horizontal plane of the bottom of the shell. The dust collection device for the high temperature dust containing waste gas, disclosed by the invention, has the advantage that the waste heat in thehigh temperature dust containing waste gas can be recycled.

The invention discloses a wall greening concrete structure and a construction process thereof, which relate to the technical field of greening concrete and aim at solving the problem that the servicelife of a green planting wall is shortened as the green planting wall is easily eroded by natural environment in a using process. The wall greening concrete structure comprises fixed frames fixed on awall, wherein each of a plurality of greening concrete layers is arranged between the two adjacent fixed frames; a planting slot is formed between each of the greening concrete layers and the wall; anutritious soil layer used for planting green vegetation is arranged in each of the planting slots; criss-cross pores are formed in each of the greening concrete layers. The wall greening concrete structure prepared by the invention has good resistance to natural erosion when in use, and the wall greening concrete structure is longer in service life, therefore, the wall greening concrete structure has wide application range.

The invention relates to the field of concrete, and particularly discloses self-compacting C70 concrete and a preparation method thereof. The self-compacting C70 concrete is prepared from a concrete mixture. The concrete mixture comprises the following components: water, cement, mineral powder, sand, stone, sodium methallyl sulfonate, calcium lignin sulphonate, aminobenzene sulfonic acid, sorbitol and methyl cellulose ether. The preparation method comprises the following steps of: (1) well mixing cement, mineral powder, sodium methallyl sulfonate, calcium lignin sulphonate, aminobenzene sulfonic acid, sorbitol and methyl cellulose ether to obtain a premix; (2) adding sand and stone into the pre-mixture, and mixing well to obtain a mixture; (3) adding water into the mixture, and mixing well to obtain a concrete mixture; and (4) pouring the concrete mixture into a template, and carrying out maintenance and demolding to obtain the self-compacting C70 concrete. The concrete mixture can reduce early shrinkage of concrete.

The invention provides an OLED display panel and electronic equipment, the OLED display panel is provided with a display area and a packaging area, the OLED display panel comprises a first substrate and a second substrate, wherein the first substrate and the second substrate are oppositely arranged; an inorganic insulating film arranged on the surface, close to the second substrate, of the first substrate and covering the display area, wherein the outer edge of the inorganic insulating film is located in the packaging area; a heat conduction layer arranged around the outer edge of the inorganic insulating film; a frame sealing glue located in the packaging area, located between the inorganic insulating film and the second substrate and covers the side wall, away from the display area, of the heat conduction layer. Therefore, when static electricity is generated outside; heat generated by static electricity cannot be quickly transferred to the inorganic insulating film; when the OLED device is packaged, the heat is firstly transferred to the heat conduction layer and is rapidly dispersed, and the heat is greatly reduced when the heat is transferred to the inorganic insulating film,so that the inorganic insulating film is protected, the problem of damage to the inorganic insulating film is avoided, the packaging quality is greatly improved, and water and oxygen are prevented from permeating into the OLED device.

The invention discloses a manufacturing method for a special additional fertilizer for strawberries. The manufacturing method comprises: implanting zymophyte after uniformly mixing pines and China firs, then adding rice husks after hermetic fermentation and then carrying out hermetic fermentation again; pulverizing apple cores and mixing the apple cores with soybean curb residues, and sealing the mixture after spraying clean water on the surface; after pulverizing flos farfarae, obtaining flos farfarae alcohol extract by an alcohol extraction method; soaking and filtering barnyard grass and penniseetum by 0.5% lime water to obtain a lime water filtrate, and concentrating the lime water filtrate to 3 parts by weight; and mixing obtained raw materials in the step 2), 3), 4) and 5) together, then adding plant ash and boron, and then putting the mixture through a drier in a moulding machine to prepare granules. The special additional fertilizer for strawberries disclosed by the invention is fully manufactured by adopting organic raw materials, so that soil hardening is avoided, and seedling burnt is avoided. The special additional fertilizer for strawberries can provide nutritional elements required by growth of crops, and the water and fertilizer retaining capacities of soil are further improved while the soil is loosened, so that the utilization ratio of the nutritional elements is greatly improved, and production and income increase is facilitated.

The invention discloses an immersion test method for a fiber monofilament corrosion resistance test. The immersion test method comprises: fabricating a plurality of cloth bags with cloth having good hydrophilicity and water permeability, and feeding sample fibers into an opposite end of each cloth bag opening, marking the cloth bags, placing the cloth bags in a test solution, and squeezing out bubbles in the cloth bags; after a period of time, the cloth bags gradually sink to the bottom of the test solution, and when a predetermined period is reached, and the cloth bags need to be detected, arequired amount of the sample fibers is taken from the cloth bags with tweezers, placed in distilled water for 24 hours, and dried for detection; if the test solution needs to be replaced, all that isneed is to take out the cloth bags and replace the test solution. The immersion test method ensures that fibers can be completely eroded by a solution, thereby increasing the accuracy of a test result; the solution is heterogeneous, and the fibers are placed in the cloth bags and are immersed in the solution, so that the fiber dispersion range is narrowed, and the concentration of the solution ata same position is basically the same, and test errors are reduced.

The invention discloses a transformer nut with a waterproof structure. The transformer nut with the waterproof structure comprises a nut body, a nut top cover and a movable waterproof cover plate, thenut top cover is arranged at the top of the nut body, and the movable waterproof cover plate is installed at the top of the nut top cover through a rotary slipknot; and a threaded groove is vertically formed in the nut body, a waterproof groove is formed in the bottom of the threaded groove, a plurality of sealing rubber rings are embedded in the middle of the waterproof groove, and a plurality of bottom sealing rings are embedded in the bottom of the nut body. According to the transformer nut with the waterproof structure, the waterproof effect of the transformer nut can be remarkably improved, the connecting part is not prone to being eroded by rainwater, the fastening reliability is high, the structure is reasonable, mounting and dismounting are convenient, and application and popularization are facilitated.

The invention discloses a water-saving car washing table, and belongs to the field of cleaning equipment. The water-saving car washing table Comprises a cleaning table frame, an uphill table and a downhill table are respectively arranged on two sides of the cleaning table frame, a water circulating tank and a water containing tank are respectively dug in the cleaning table frame, the water circulating tank is positioned below the water containing tank, a bearing plate matched with the water circulating tank is arranged over the water containing tank, four strong compression springs are connected between the water containing tank and the bearing plate, a pair of grooves are formed in the tank wall of the water containing tank, groove covers matched with the grooves are arranged at groove openings of the two grooves, electric telescopic rods are fixedly connected into the two grooves, water baffles are fixedly connected to the upper ends of the electric telescopic rods, a water inlet pipe is arranged in the water containing tank, the water inlet pipe is located on the lower side of the bearing plate. Most car washing water can be recycled, waste of water resources is reduced, and meanwhile water pollution caused by sewage discharge can be reduced.

The invention relates to an intelligent security monitoring device, and belongs to the field of monitoring devices. The intelligent security monitoring device comprises a monitoring device main body,wherein one end of the monitoring device main body is sleeved with a protective cover; a pair of movable sliding grooves is dug in the side wall of the monitoring device body. The inner wall of the protective cover is fixedly connected with a limiting sliding block matched with the movable sliding groove. The monitoring device body and the protective cover are in sliding connection through a pairof movable sliding grooves and limiting sliding blocks. A limiting rod is fixedly connected between the side walls of the movable sliding groove. The limiting rod penetrates through the limiting sliding block; a compression spring is fixed between the side wall of the movable sliding groove and the limiting sliding block, located on the side, away from the protective cover, of the limiting slidingblock and connected to the outer side of the limiting rod in a sleeving mode, the monitoring probe can be effectively protected, the monitoring probe is not prone to damage due to human factors, andthe whole monitoring system is not prone to paralysis and cannot be used easily.

The invention discloses an anti-ultraviolet air-permeable wall paint. The anti-ultraviolet air-permeable wall paint comprises an interior wall paint and an exterior wall paint; the interior wall paintcomprises the following components of water, a silicone acrylic emulsion, an interior wall inorganic filler, pigment, cellulose, a waterproof agent, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, a defoaming agent, a film forming agent and ethylene glycol; the exterior wall paint comprises water, a silicone acrylic emulsion, an external wall inorganic filler, cellulose, awaterproof agent, a multifunctional auxiliary agent, a dispersing agent, a wetting agent, a film forming agent and ethylene glycol. According to the technical scheme, the problem is solved that an existing wall paint is poor in air permeability, foams easily and even causes paint film falling; the problem is also solved that discoloration and aged deterioration occur easily due to the long-term exposure of the wall paint to the ultraviolet radiation.

The invention discloses a novel intelligent unmanned harvester utilizing solar energy, and belongs to the field of harvesters, the novel intelligent unmanned harvester utilizing the solar energy can be driven by a solar panel during harvesting, unmanned operation is carried out through an unmanned control cabin, and the harvesting efficiency is improved. During work, the storage battery and the unmanned control room can generate waste heat, the waste heat can be absorbed through the magnetic refrigeration material, the soft magnetic ferrite and the cooler assembly are powered on during operation of the storage battery, the soft magnetic ferrite applies a magnetic field to the magnetic refrigeration material, the magnetic refrigeration material begins to release heat, and the cooling effect is improved. And after one end of the tetrahedrite connecting rod is heated through the magnetic refrigeration material and the other end of the tetrahedrite connecting rod is connected with the cooler assembly for cooling, heat energy can be converted into electric energy, and the electric energy is transmitted to the storage battery through the thermoelectric converter, so that the effect of repeated utilization is achieved.

The invention discloses intelligent farm irrigation equipment based on a photovoltaic panel, and belongs to the field of intelligent farm irrigation equipment. According to the scheme, when the temperature in a solution storage tank is low, external air enters a reaction box to react with reduced iron powder to generate heat and magnetic force, and the reduced iron powder is cooled; the irrigation solution is not prone to freezing due to low temperature due to heat, the phenomenon that ice residues block a pipeline is not prone to occurring, meanwhile, the temperature of the solution is more suitable for crops, the use effect of the solution is improved, meanwhile, magnetic force pushes a magnetic piston plate to slide, and air in a communication groove is sprayed out of a movable spraying bottle nozzle to form bubbles. And a certain stirring function is achieved on the solution in the solution storage tank, so that beneficial substances in the solution are not prone to precipitation, the counter-acting force generated when gas is sprayed out pushes the rotating rod to rotate, a certain crushing effect is achieved on ice residues existing in the irrigation solution, and the content of the ice residues in the solution is reduced.