243results about How to "To achieve the purpose of waterproofing" patented technology

The invention discloses an experimental method for top plate seepage and water inrush when in underwater exploitation as well as an apparatus thereof, comprising the steps of: (1) putting a configured experimental material in a model box according to the practical relative position; (2) exerting lateral pressure on the model material in the model box; (3) sealing the top part of the model box and exerting the stated water pressure on the top part of the model; (4) acquiring water pressure data, tectonic stress data, displacement digital photos and crack digital photos magnified by certain times at regular intervals in the exploitation process until the water inrush destruction takes place; (5) repeating the steps of (1), (2) and (3) to change lateral pressure and water pressure parameters, and repeating the step (4); and (6) obtaining the relation between the water pressure at the top part, the tectonic stress and the model surface displacement, model surface crack. The method and apparatus can embody the combined action of tectonic stress and water pressure at the top part and deadweight function of cover layer more factually, thereby improving the testing precision.

The invention discloses a button waterproof structure of a washing machine; the button waterproof structure comprises a control panel on the top of the washing machine, a decoration board above the control panel and a computer board component below the control panel; the control panel is provided with a plurality of sets of buttons and display areas corresponding to a computer board circuit; the computer board component comprises a circuit board with a display screen, a computer board box below the computer board and used to support the computer board, and a box cover plate above the computer board and used to protect the computer board; the button waterproof structure is characterized in that the lower bottom surface of the decoration board and the upper plane of the box cover plate are provided with an upper lug and a lower lug corresponding to the display areas, so as to protect a water permeability resistant component of the display screen; waterproof mechanisms used to prevent water from being leaked from the gaps of button holes are arranged at the positions of corresponding buttons of the decoration board and between the buttons and the box cover plate. The structure not only can ensure the production efficiency and does not greatly increase the production cost, but also can make sure the buttons have good touch feeling and the waterproof performance meets requirements.

The invention discloses a permeable crystallization type concrete waterproofing agent, which is prepared from the following components by weight: 15-25 parts of sodium silicate, 3-6 parts of sodium methyl silicate, 1-5 parts of sodium alginate, 4-8 parts of gelatin, 1-5 parts of dodecyl ethoxy sulphobetaine, 1-3 parts of sodium carbonate, 1-4 parts of sodium citrate, 1-4 parts of triethanolamine, 2-10 parts of aluminum potassium sulfate, 2-6 parts of calcium sulfate, 1-3 parts of polyacrylamide, 1-6 parts of calcium lignosulphonate, 3-6 parts of carboxymethylcellulose, 2-5 parts of calcium hydroxide, 1-3 parts of boric acid, and 60-90 parts of water. The waterproofing agent disclosed by the invention has the advantages of good waterproof performance, durability and self-healing property, and low cost, and can be applied to waterproofing of roofing, basements, toilets and the like.

The invention discloses a rigid waterproofing-flexible waterproofing performance composite capillary crystalline waterproofing coating and a preparation method thereof. The rigid waterproofing-flexible waterproofing performance composite capillary crystalline waterproofing coating has rigid waterproofing and flexible waterproofing functions. The preparation method comprises the following steps of 1, adding an acrylic emulsion, a styrene-acrylic emulsion or an acrylic emulsion-styrene-acrylic emulsion mixed emulsion having any ratio into a stirring pot and carrying out uniform stirring, 2, orderly adding bentonite, titanium dioxide and silica powder into the mixture and carrying out stirring for a time period, 3, orderly adding heavy calcium carbonate powder and wollastonite powder into the mixture and carrying out stirring for a time period, 4, orderly adding an inorganic silicate penetrant, an organic silicon waterproofing agent and an inorganic nano-binder into the mixture and carrying out stirring for a time period, and 5, adding an antifoaming agent into the mixture and carrying out stirring for a time period to obtain the finished product.

The invention discloses an inorganic-organic composite permeable crystallization type concrete waterproof agent. The waterproof agent is prepared from, by weight, 20-30 parts of sodium silicate, 5-9 parts of methyl sodium silicate, 2-6 parts of sodium alginate, 7-9 parts of gelatin, 1-4 parts of dodecyl ethoxy sulpho betaine, 1-3 parts of sodium carbonate, 1-4 parts of sodium citrate, 2-5 parts of triethanolamine, 5-10 parts of aluminum potassium sulfate, 3-6 parts of calcium sulfate, 1-3 parts of polyving akohol, 1-3 parts of calcium lignosulphonate, 3-5 parts of carboxy methyl cellulose, 1-4 parts of calcium chloride, 1-3 parts of boric acid and 55-75 parts of water. The inorganic-organic composite permeable crystallization type concrete waterproof agent has good waterproofness, endurance performance and self-curing performance and is low in cost and capable of being applied to waterproofing of house faces, basements, restrooms and the like.

The invention discloses a method for preparing a waterproofing agent of a saponin-free cation paraffin emulsion artificial board. The method comprises the following steps: under the function of a cosolvent which can be mutually soluble to water, taking vinyl monomers, such as styrene, an acrylate class monomer, a cation monomer, acrylamide and a derivative thereof and the like, as a copolymerization monomer and preparing a saponin-free benzene polymer with strong cation charges by a saponin-free emulsion polymerization method; taking the saponin-free benzene polymer as a high molecular emulsifying agent of solid paraffin, emulsifying and dispersing the paraffin and preparing the waterproofing agent of the saponin-free cation paraffin emulsion artificial board with favorable stability by homogenizing at high pressure. The invention overcomes the defects of poor waterproof effect, poor stability, easy bubbling of emulsion and the like due to the addition of a small molecular emulsifyingagent in the traditional paraffin emulsion; the product adopts the saponin-free benzene polymer with strong cation charges as the high molecular emulsifying agent of the solid paraffin, and the high molecular emulsifying agent which can generate a very strong hydrogen bond function with fibre in the artificial board not only enhances the water resistance of a board material but also can enhance the physical strength of the artificial board.

The invention relates to the technical field of communication equipment, and discloses an automatic lifting waterproof and heat dissipation communication cabinet, which comprises a cabinet body, supporting legs, lifting plates and a cabinet door, wherein vertical sliding cylinders are fixedly mounted at four groups of corners in the cabinet body, a group of the lifting plates with a rectangular structure are arranged in the middle in the cabinet body, connecting rods are installed on the edges of the front side walls and the rear side walls of the lifting plates, the tail ends of the connecting rods penetrate through vertical sliding openings formed in the sliding cylinders and are fixedly provided with sliding plates slidably connected into the sliding cylinders, floating plates are fixedly installed at the bottoms of supporting frames, bushes with openings in the lower portions are arranged in the supporting legs, a vertical lifting rod is telescopically connected into the bush, a transverse threaded rod is in threaded connection with the upper portion of the inner side face of the bush, a control box is fixed to the left side of the upper portion of the lifting plate, and a distance sensor for measuring the height from the bottom water surface of the lifting plate to the bottom of the lifting plate is fixedly installed on the lower surface of the lifting plate. The automaticlifting waterproof and heat dissipation communication cabinet has the advantages of being automatic in lifting, waterproof, high in automation degree and good in waterproof effect, and having an alarm prompt function.

The invention relates to a safe and intelligent fault indicator for an overhead line. A main housing is internally provided with a mutual inductor, a direct-pushing-type locking device and a circuit system. The lower end of the main housing is provided with a transparent lampshade cooperated with the main housing. The mutual inductor comprises two groups of iron cores in parallel arrangement, wherein the two groups of iron cores are respectively cut into two portions, the inclined plane angle forming a 45-degree angle with the cross section of the iron core, so that the problems of low work efficiency, expensive equipment and being incapable of volume produce since an original C-type mutual inductor coil winding needs to be installed to an annular winding machine with the iron cores synchronously; through adopting a U-shaped iron core structure of the diagonal plane, magnetic loss is reduced; and the intelligent fault indicator can enable fault or short circuit information of the overhead line and load terminal equipment to be selectively encrypted through a security chip ESAM and the encrypted is then sent to an electric management master station and mobile phones of operation and maintenance personnel, thereby realizing remote detection management, fault location and high-efficiency processing, and providing powerful guarantee for an electric system.

The invention is suitable for the technical field of a light-emitting diode (LED) and discloses a surface mounting LED with a high sealing property and a production method thereof. The surface mounting LED with the high sealing property comprises a bracket and a chip arranged on the bracket, wherein the bracket is provided with a big bowl part and a small bowl part which are up-and-down stacked and communicated; the big bowl part is located above the small bowl part; the chip is attached in the small bowl part; the small bowl part is also internally provided with packaging colloid covering on the chip; and the big bowl part is internally provided with a seal colloid covering on the packaging colloid. The production method of the surface mounting LED with the high sealing property comprises the following steps: arranging the bracket which comprises the big bowl part and the small bowl part which are up-and-down stacked and communicated, and mounting the chip inside the small bowl part; then injecting packaging colloid to the inside of the small bowl part, and then injecting seal colloid to the inside of the big bowl part. According to the surface mounting LED with the high sealing property and the production method thereof, the lighting effect of the product is excellent, and the reliability of the product is good.

The invention discloses a shield tunnel pipe piece bolt hole waterproof structure and a construction method. The shield tunnel pipe piece bolt hole waterproof structure comprises a bolt located in a bolt hole for connecting pipe pieces, a bolt gasket, a first waterproof gasket and a second waterproof gasket, wherein the bolt gasket is located between a bolt head of the bolt and the pipe pieces, the first waterproof gasket is located between the bolt gasket and the pipe pieces, and the second waterproof gasket is located between the bolt head and the bolt gasket. The plane, making contact with the pipe pieces, of the first waterproof gasket is a plane, and the plane, making contact with the bolt gasket, of the first waterproof gasket is provided with at least one ring of semicircular protrusion. The two end faces of the second waterproof gasket are both planes. According to the shield tunnel pipe piece bolt hole waterproof structure and the construction method, the waterproof pressure of the bolt hole can be increased, the pre-tightening force of the bolt can be adjusted according to needs, different waterproof pressure requirements can be met by changing the contact stress between the waterproof gaskets and the pipe pieces and the contact stress between the waterproof gaskets and the bolt gasket, and better durability is achieved.

The invention discloses a preparation method for a nano SiO2 hybrid comb organic fluorine-silicon copolymer. The method comprises the following steps: sufficiently stirring epoxy modified SiO2 and PAMS (amino silicone oil), and PFGE (perfluoroethylhexyl glycidyl ether) in a 250l three-mouth flask; introducing nitrogen for 10 to 20 minutes; heating to raise the temperature to 80 to 100 DEG C, and carrying out heat-preserved reaction for 2 to 5 hours and then stopping heating; cooling to room temperature; filtering with filter cloth to remove large-grained substances to obtain filtrate; charging the filtrate to a four-mouth flask, raising the temperature to a reflux state, and meanwhile carrying out reduced-pressure distillation to remove a solvent to finally obtain the nano SiO2 hybrid comb organic fluorine-silicon copolymer. The obtained nano SiO2 hybrid comb organic fluorine-silicon copolymer is applied to construct a waterproof fabric which has a super-hydrophobic effect and favorable softness. The preparation method disclosed by the invention is simple in step and high in efficiency; compared with other hydrophobic polymers, the nano SiO2 hybrid comb organic fluorine-silicon copolymer has higher hydrophobic angle and longer wear-resistance times when being used for textiles, and the wear-resistance times can be as high as over 10 times.

The invention relates to a waterproofing agent for a desulfurization gypsum block, and the waterproofing agent mainly comprises stearic acid, polyvinyl alcohol, cement, borate, semi-hydrated gypsum, accelerants, cross-linking agents, and the like. The waterproofing agent for the desulfurization gypsum block, which is disclosed by the invention, can change the structure of holes, pores and capillary holes which are positioned in the surface inside a gypsum product so as to change the surface from a hydrophilic surface to a hydrophobic surface, thereby preventing the moisture from invading and achieving the characteristics of waterproofing and the like.

The invention belongs to the technical field of electronic communications of radars, and particularly relates to a cloud measuring radar. The radar comprises a main frame body, a first antenna housing and a second antenna housing, wherein the main frame body comprises a bottom sectional-material frame and a skin; the first antenna housing and the second antenna housing both form sealing fit with the top end surface of the main frame body; a receiving antenna and a left sectional-material frame are held in a housing cavity of the first antenna housing; a monitoring component and a receiver are arranged on a horizontal transverse baffle plate at the left sectional-material frame; a signal processing component and a fan are arranged at the top end surface of the main frame body just under the horizontal transverse baffle plate; a transmitting antenna and a right sectional-material frame are held in a housing cavity of the second antenna housing; a transmitter is arranged on a horizontal supporting plate at the right sectional-material frame; a power supply component is arranged at the top end surface of the main frame body just under the horizontal supporting plate. The cloud measuring radar has the advantages of being concise and portable in structure, convenient and quick to maintain, short in making period and low in cost; the batch production can be realized.

The invention provides a waterproof keyboard used on casings of electronic products, which comprises a keyboard body and a support. The keyboard body includes elastic bodies and key caps on the elastic bodies, the support is provided with a keyboard body area and a non-keyboard-body area around the keyboard body area, a keyboard body is combined to the keyboard body area through the elastic bodies, the non-keyboard-body area is provided with enclosed ultrasonic wires around the keyboard body area, and the support is welded to the casings of electronic products by fusing the ultrasonic wires. The support is welded to the casings of electronic products ultrasonically for use, and the electronic products are completely separated at the keyboard body area both internally and externally, thereby having not only waterproof and antistatic functions, but simple manufacturing process.

The invention provides a hexagonal unit body which comprises a hexagonal steel frame and glass arranged on the steel frame. The steel frame comprises a hexagonal small steel frame; connecting rods with equal lengths extend outwards from six vertexes of the small steel frame; a hexagonal big steel frame is formed by the outer ends of the connecting rods, which are used as the vertexes; an aluminium keel for being connected with the adjacent hexagonal unit body is arranged on the periphery of the profile of the big steel frame; and an outer decorative board is fixedly arranged on the outer lateral surface of the steel frame. A curtain wall system consisting of the hexagonal unit bodies has the advantages of simple force model, easiness for manufacturing and installing and high interchangeability. The invention also well solves the contradiction between the permeation and the energy saving of a building and provides a good waterproof structure.

The present invention provides a laterally arranged waterproof power supply structure of a power adjustment device, which comprises a power supply circuit board connected with a potentiometer, a cylindrical insulating sheet sleeved onto the outside of the power supply circuit board, a power supply housing sleeved onto the outside of the cylindrical insulating sheet, a first side cover and a second side cover. The first side cover and the second side cover are located on both sides of the power supply housing. A waterproof gasket is attached to the periphery of the inner side of the first side cover to form a cavity structure, so that the positive pressure and the negative pressure generated inside the power supply due to thermal expansion can be effectively eliminated. Therefore, the internal pressure and the external pressure of the power supply are balanced. The water and the air are prevented from entering the power supply, so that the waterproof purpose is achieved. The inner side of the first side cover is provided with a potentiometer fixing seat and a grounding seat. One end of the potentiometer fixing seat, located on the outer side of the first side cover, is designed as a tapping end and is used for sealing the outer side of the first side cover. According to the technical scheme of the invention, the power of the power supply can be adjusted through opening a screw and a sealing ring arranged on the tapping end, and rotating a cross-shaped groove of the potentiometer. In this way, the power adjustment of the power supply is convenient. Meanwhile, the power supply is simple in assembly and good in waterproof performance.