31results about How to "Meet waterproof" patented technology

The invention discloses a concrete construction method for a big-gradient sloping roof. At first, a bottom layer formwork module 2 of the big-gradient sloping roof is installed according to needs, roof panel steel bars are bound according to construction drawings and standard requirements, then sprayed concrete construction is carried out on the big-gradient sloping roof panel 1, the big-gradient sloping roof panel 1 comprises the sloping roof formwork module 2 and pre-buried L-shaped pulling ribs 3, the formwork module 2 is machined in advance to be formed and to be hoisted to a full space bearing frame 4, concrete is continuously sprayed and constructed at one time, construction quality of the concrete can be visually observed, and it is guaranteed that the interior of the concrete is dense; after roof concrete is renovated by means of cement mortar with the same proportion of the roof concrete through cleaning of dross on the surface layer, the concrete is square in appearance size, the exterior of the concrete is flat, and the interior of the concrete is solid.

The invention relates to steel door windows, in particular to a multifunctional steel door window system which can meet the requirements of fire resistance, fire prevention and energy conservation and a manufacturing method for a window frame and a window sash frame in the system. The multifunctional steel door window system comprises the window frame, a mullion, the window sash frame and glasses, a lockset and hinges which are matched with the window frame, the mullion and the window sash frame. The window frame and the window sash frame are connected with the hinges; a window frame sectional material, a mullion sectional material and a window sash frame sectional material comprise first bridge fracturing cold bending matching pieces and second bridge fracturing cold bending matching pieces; and inorganic bridge fracturing heat insulation sectional material strips are arranged between the matching faces of the first bridge fracturing cold bending matching pieces and the second bridge fracturing cold bending matching pieces and are fixed through screws to form a steel heat insulation composite sectional material. The steel and stainless steel door window system design is low in cost and environmentally friendly and has multiple functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like. According to the door window system, the appearance is elegant, firmness, durability and multiple functions are achieved, the materials are environmentally friendly and can be recycled, and the door window system meets the national regulation requirement relating to a green building.

The invention discloses a large-span prestressing force groove-shaped composite plate used as a top plate of an anti-aircraft basement of 6 grades and lower than 6 grades. The composite plate is characterized in that a groove-shaped composite plate with a large span, a high load, a narrow board width and a low rib height forms a functional member together with an upper composite layer. Due to the adoption of an elastic-plastic deformation resilience characterization coefficient of a prestressing force plate, the resistance of the member under the action of a short-term effect of a nuclear explosion shock wave is improved. Therefore, materials are substantially saved, and the floor height is reduced. A groove-shaped large load meets the using requirements of an underground garage; parking spaces are saved in a large span; due to the adoption of a groove-shaped narrow board, the manufacturing cost and the floor height can be reduced; and the composite plate has an appropriate rib height and can meet load bearing requirements and the requirement of forming an air channel on a rib, the floor height is not increased, and a groove-shaped horizontal air channel is easy to connect. When the composite plate is used for the top plate of the underground garage, a construction period can be accelerated, the floor height can be reduced, the manufacturing cost can be reduced, a column grid can be saved, the parking spaces can be increased, and the grade of the underground garage can be improved.

The invention discloses an on-site spraying and filling fabrication method for an inorganic fiber wall, which is used for fabricating walls between top boards and bottom boards on site. The method comprises following steps: installing keels horizontally and vertically between a roof and a floor to form internal wall supports; fixedly mounting a shingle at one side of the internal wall supports to form a wall skeleton with one side open; inorganic fiber and binder are synchronously and uniformly sprayed on an inner side surface of the mounted shingle; the inorganic fiber is bonded with the shingle by means of the binder; the wall skeleton is filled with the inorganic fiber through spraying layer by layer and is bonded with the keels to form a heat insulation layer; after the filling is completed, binder is uniformly sprayed on the surface of the heat insulation layer; finally, a shingle is also fixedly installed on the other side of the internal wall supports to form an enclosed wall skeleton; therefore, a wall body is formed by the wall skeleton and the heat insulation layer thereof. The invention relates to the field of buildings and provides an on-site spraying and filling fabrication method for inorganic fiber walls having excellent heat insulation and sound insulation performance.

The invention provides an environment-friendly and waterproof high-intensity bathroom panel and a preparing method thereof. The panel is of a sandwich structure, and comprises a surface layer, a base layer and a reinforcing layer, and the base layer is arranged between the surface layer and the reinforcing layer; the surface layer comprises PVC film and a wear-resisting highlight layer formed by curing UV gloss oil through ultraviolet irradiation light, and the wear-resisting highlight layer covers one side of the PVC film; the base layer is a PVC stone plastic plate, and the PVC stone plastic plate and the side, uncovered by the wear-resisting highlight layer, of the PVC film are integrally formed after being subjected to hot melting and hot compressing; the reinforcing layer comprises a latticed keel which is composed of a fiber reinforced plastic layer and a metal rod piece, the latticed keel is wrapped by the fiber reinforced plastic layer, and the fiber reinforced plastic layer is formed by conducting curing after mixing unsaturated polyester resin and the fiber reinforced material. The plate makes fundamental breakthroughs in the effects of environment protection, water prevention, fire resistance, wear resistance, ageing resistance, dirt resistance, acid-base corrosion resistance, antibiosis, easy clean, thermal insulation and heat preservation, mirror surface color and the like, and the panel is stable in structure and high in intensity.

The invention discloses a positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable for an urban distribution network system. The positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable comprises a return cable unit, a polar cable unit and an optical fiber unit, and after the return cable unit, the polar cable unit and the optical fiber unit are formed into the cable, a filling layer, a taped covering, a plastic inner protection layer, a metal armored layer and a plastic outer protection layer are sequentially arranged on an outer layer from inside to outside. The positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable disclosed by the invention is safe and reliable in operation, meanwhile can realize power transmission and optical fiber communication and can meet the requirements of relevant regulations, thereby capable of being widely used in novel urban distribution network systems.

The invention discloses an integrated manufacturing method of inorganic fiber spraying thermal insulation decoration for walls. The method comprises following steps: one side surface of a wall is sprayed with inorganic fiber and binder synchronously and evenly; the inorganic fiber is conveyed and sprayed out by a fan; the binder is sprayed synchronously around the spraying out position of the inorganic fiber and is attached to the surface of the inorganic fiber; the inorganic fiber is bonded to the wall body by means of the binder and a thermal insulation layer is formed by spraying layer by layer; a decoration sheet material is pasted outside the thermal insulation layer in a flat mode; a support skeleton is used for abutting the decoration sheet material so that the decoration sheet material is tightly clung to the thermal insulation layer and the two are made be bonded quickly; after the thermal insulation layer is set and the decoration board is firmly bonded, the support skeleton is removed to form the thermal insulation and decoration integrated wall body. The invention relates to the building field and provides a manufacturing method which can increase the insulation performance and can complete surface decoration and integration; integration of surface decoration while insulation of building walls is achieved.

The invention discloses a bionic super-hydrophobic coating for constructing graphene and a manufacturing process of the bionic super-hydrophobic coating, relates to the technical field of super-hydrophobic coatings, in particular to the bionic super-hydrophobic coating for constructing the graphene and the manufacturing process of the bionic super-hydrophobic coating. The bionic super-hydrophobiccoating for constructing the graphene is prepared from 5 parts of methyl alcohol, 10-15 parts of soft water, 5 parts of organic silicon resin, 10-15 parts of the graphene and 40-50 parts of water-based acrylic resin. The bionic super-hydrophobic coating for constructing the graphene and the manufacturing process of the bionic super-hydrophobic coating have the advantages that compared with an existing ordinary super-hydrophobic coating, the graphene is successfully applied to a super-hydrophobic bionic material, a dense and uniform nanostructure is jointly constructed through the graphene andthe organic silicon resin to effectively play a super-hydrophobic role, the cost is low, the durability is good, washing can be carried out repeatedly, the impact-resistant effect is good, and the usedemands of people are effectively met.

The invention provides a finished product testing method and device and a circuit board testing method and device, and the finished product testing method comprises the steps of testing a to-be-testedfinished product through testing firmware, burnt in advance, in a controller of a qualified to-be-tested circuit board; and when the to-be-tested finished product is qualified, sending a recovery instruction to the qualified to-be-tested finished product, thereby enabling the qualified to-be-tested finished product to replace the test firmware in the controller by using formal firmware pre-programmed in an external memory of the to-be-tested circuit board. Therefore, the formal firmware is pre-programmed in the external memory of the to-be-tested circuit board; the test firmware is burnt in the controller of the to-be-tested circuit board, so that program space occupation caused by burning of formal firmware and the test firmware in the same place can be avoided, hardware cost is reduced,secondary burning after testing is not needed, and testing efficiency is improved. In addition, a communication interface does not need to be reserved on a to-be-tested finished product, and the purposes of attractiveness, waterproofness and the like can be achieved.

The invention discloses waterproof treatment of a stainless steel roof. A waterproof treatment structure of the stainless steel roof comprises a stainless steel roof panel on the surface layer of the roof, a secondary waterproof layer is arranged below the stainless steel roof panel, and an anti-noise layer is arranged between the stainless steel roof panel and the secondary waterproof layer. A waterproof treatment method of the stainless steel roof includes the following steps that firstly, the secondary waterproof layer is laid; secondary, the anti-noise layer is laid and compacted; finally, the stainless steel roof panel is laid. According to the waterproof treatment of the stainless steel roof, two waterproof structures are arranged for waterproofing, and thus the requirement for waterproofing can be met without hindering ventilating through combination of the rigid waterproof layer and the lower flexible waterproof layer.

The invention discloses stainless steel roofing water repellent; a water repellent structure of the stainless steel roofing comprises a stainless steel roof board of the roofing surface; a secondary waterproof layer is arranged below the stainless steel roof board; an anti-noise layer is arranged between the stainless steel roof board and the secondary waterproof layer; the stainless steel roofing water repellent comprises the following steps: paving the secondary waterproof layer; paving and compacting the anti-noise layer; paving the stainless steel roof board. Two waterproof structures are employed for water prevention, and rigid waterproof and the lower flexible water proof layer are combined, thus satisfying waterproof requirements while ensuring ventilation.

The invention discloses a stainless steel roof waterproof treatment method. A stainless steel roof waterproof treatment structure comprises a stainless steel roof board on the surface layer of a roof, and a secondary waterproof layer is arranged below the stainless steel roof board. A noise-proof layer is arranged between the stainless steel roof board and the secondary waterproof layer. The stainless steel roof waterproof treatment method includes the following steps that firstly, the secondary waterproof layer is laid; secondly, the noise-proof layer is laid and compacted; and finally, the stainless steel roof board is laid. By the adoption of the stainless steel roof waterproof treatment method, two waterproof structures are arranged for water resistance, so that a rigid waterproof layer and a flexible waterproof layer on the lower layer are combined, the waterproof effect is achieved, and ventilation is not obstructed.

The invention discloses a data recorder for destructive experiment of an external pressure vessel. The data recorder comprises a casing body and a test recording device, wherein the casing body comprises an upper casing and a lower casing, which are butted to form a closed cavity, and a first sealing device is disposed at the docking joint; the upper casing or the lower casing is provided with a lead through hole; the test recording device is fixedly mounted in the casing body by a damping device and comprises an STM32 single chip microcomputer, a micro SD card and an outer guide wire; one endof the outer guide wire passes through the lead through hole to the casing body, and the other end is connected to the STM32 single chip microcomputer; the communication port of the STM32 single chipmicrocomputer is connected to the communication port of the micro SD card; the outer guide wire comprises an external power supply lead and an external sensor lead; and a second sealing device is disposed between the lead through hole and the outer guide wire. The device provided by the invention has good shock resistance, impact resistance and waterproof performance, and can be used for recording various test signals for destructive experiment of the external pressure vessel.

The invention discloses a large-span prestressed trough composite slab used as a roof of an air-defense basement in level 6 and below level 6. The large-span prestressed trough composite slab is characterized in that: the large-span, large-load, narrow-width and low-rib trough composite slab and an upper composite layer form a functional component. Due to the elastic-plastic deformation restoring force characteristic coefficients of prestressed slabs, the resistance of the component under the action of short-term effect of nuclear burst shock waves is improved, so that materials are substantially saved, and the floor height is saved. The trough large load meets the use requirements of underground garages; the large span saves parking spaces; the trough narrow slab surface saves the cost and the floor height; the moderate rib height can meet the requirement on load bearing, and the requirement that air channels are formed on the ribs, and does not increase the floor height; and the trough transverse air channels are easy to connect. The large-span prestressed trough composite slab is used on the roofs of the nderground garages, can quicken the construction period, reduces the floor height and the cost, saves column grids, increases the parking spaces and improves the level of the underground garages.

The invention discloses an encapsulation method of mining explosion-proof equipment, and belongs to the mining explosion-proof field. The method comprises the following totally 14 steps that (1) two components of black fluid-shaped double-component novolac epoxy resin and a black fluid-shaped epoxy resin curing agent are put into an incubator with the temperature of 50-60 DEG C and the humidity of 2-5% to heat for 15-20 min, after being taken out, the components are put into a container according to a mass ratio of 5: (1-3) to be full mixed, full stirring is carried out for 10-15 min, standing is carried out at room temperature for 30-50 min after the two components are fully mixed, and fluid-shaped hard rubber is formed. According to the method, a hard rubber shell is prepared, then the hard rubber, soft rubber and explosion-proof particles are used for encapsulating electronic equipment, so that the explosion-proof shell is light and good in insulation effect, meanwhile, the explosion-proof effect is good, strength is high, and the use conditions in severe environments such as a coal mine and the like can be met.