191results about How to "Not loose" patented technology

The invention provides a folding mechanism. The folding mechanism comprises a first supporting body, a second supporting body, a connection body and a rotation part; the rotation part comprises two rotating rods, a worm wheel, two worms engaged with the worm wheel, a limiting base, a supporting plate, two limiting slide sheets and two springs; the limiting base includes two adjacent through holes; first transmission protrusions protrude out from the peripheral edge of each through hole; one surface of each limiting slide sheet is provided with second transmission protrusions; the supporting plate and the limiting base sleeve the two worms sequentially; the limiting base is fixed to the supporting plate; one end of each rotating rod accommodates one corresponding limiting slide sheet and spring; the two rotating rods sleeve the two worms and can drive the worms to rotate; the first transmission protrusions are engaged with the second transmission protrusions; a transmission part is installed on the connection body; the connection body is located between the first supporting body and the second supporting body; and the two rotating rods are slidingly installed on the first supporting body and the second supporting body. The invention also provides a mobile terminal.

The invention relates to a rotating short joint for oil well logging, which is characterized in that an upper joint is connected with a connecting member through screw threads, and a leather bag is arranged in the connecting member; a slip ring is installed in the leather bag, and a rotating joint is tightly connected with the slip ring through screws; the rotating joint is of a tapered structure, and the center of the rotating joint is provided with a through hole; and the edge of the through hole is provided with a transition step coinciding with the tapered structure, a pressure-bearing joint connected with the outside and sealing silicone oil are arranged in the through hole, and a seal ring is installed outside the silicone oil; and a pressure-bearing joint is arranged in the upper joint. The slip ring is structurally characterized in that two sides of a supporting rod are respectively fastened and connected with an end cover connected with the upper joint and an I-shaped end cover connected with the rotating joint through screws, a plurality of contact conductor rings are sleeved on a central shaft to form two electric brushes, an insulating ring is arranged between every two rings, and two sides of each ring are tightly pressed through bearings. In the invention, two ends of the rotating short joint can relatively rotate, meanwhile smooth transmission of electrical signals is ensured, the service life of well logging cables is prolonged, and the well logging reliability is improved.

The invention discloses a two-way stretch tester and a testing method for an internal pressure thin-wall cylinder test sample of a geomembrane. Due to the adoption of the tester and the testing method, provided by the invention, the problem in stress equilibrium of a cross-shaped test sample on the plane of the geomembrane in a two-way stretch test can be solved, meanwhile, the problem that the traditional internal pressure thin-wall cylinder test is not suitable for flexible materials such as the geomembrane is solved, and finally the two dimensional stress strain curve of the geomembrane under the condition of two dimensional stress can be obtained accurately.

The invention discloses a wire twister which comprises four twisted wire disks arranged on the same hollow shaft, wherein, the concentric periphery of each twisted wire disk is provide with a plurality of conducting wire wheels and / or slotted holes; the conducting wire wheels comprise fixed conducting wire wheels and movable conducting wire wheels, the fixed conducting wire wheels are connected with the twisted wire disks through rollers on the conducting wire wheels, and the movable conducting wire wheels are connected on a sliding block through rollers; the sliding block is matched with a sliding rail block, one side of the sliding rail block is fixed on a connecting plate, and the connecting plate is fixed on the hollow shaft; the axis of the shaft is perpendicular to the radial line of each twisted wire disk; and the end part of the sliding block is provided with an adjusting rod, and the adjusting rod adjusts the sliding block to slide along the radial direction of the connecting plate through an adjusting component arranged on the sliding rail block and / or the connecting plate. By adopting the wire twister, before cables or ropes are twisted, a plurality of the cables are plastically deformed in advance; and in addition, the cables of various specifications can be produced by adjusting the distance among the twisted wire disks and positions of the movable conducting wire wheels.

The invention provides a straw biological matrix seedling-raising disk and a preparation method thereof. The straw biological matrix seedling-raising disk includes a seedling-raising disk and a bottom film arranged thereunder. A matrix is filled between the seedling-raising disk and the bottom film. The seedling-raising disk includes waste paper pulp, bamboo pulp, straw powder, bio-gum, a composite micro-fertilizer and water. The matrix includes plant straw, a straw fermentation agent, an additive, a seedling strengthening agent and water. The bottom film is a bast fiber mulching film. The seedling-raising disk is simple and scientific in preparation method and is free of addition of any other chemical raw materials or fertilizers, so that the seedling-raising disk keeps the characters of the raw materials and has a certain effect. The technical scheme replaces soil and a plastic seedling-raising disk by the straw biological matrix, which reduces the damage of white pollution. By means of the straw biomass for culturing seedlings of paddy rice for replacing the technology of seedling cultivation in nutrient soil in production over the years, the seedling-raising disk solves the problem that cultivated land is damaged and soil is difficult to obtain by farmers during a paddy rice seedling-raising process. The seedling-raising disk fully utilizes straw regenerated resources, thereby reducing environment-pollution due to straw incineration and achieving energy saving and emission reduction.

The invention relates to a double pressing method on a dust cap without spring ring that is used for a miniature bearing, the first pressing method is mainly to make the dust cap of the bearing enter the dust cap groove and extend radially, the specific pressing method is to firstly adjust a right angle upper flat die (3) and a lower die and keep them concentric, then a bearing (1) is placed in the lower die to locate, a dustproof cap (2) is arranged in the dustproof cap groove of the outer race of the bearing, and finally a pressing machine is used for making the end face of the right angle upper flat die to stamp the folded face of the dustproof cap so that the radial dimension is increased, the edge is uniformly pressed into the dustproof cap groove of the outer housing of the bearing (1); the second pressing method is mainly to tightly press the dustproof cap of the bearing into the dustproof cap groove, the specific pressing method is to first adjust a right angle upper pressing die (3.1) and a lower die and keep them concentric, then the bearing of the dustproof cap has been pressed flat is placed in the lower die to locate, finally, a round angle R of the round angle upper pressing die is used for curling and pressing the dustproof cap by a pressing machine, which can considerably improve the reliability of the bearing assembly.

The invention discloses a sliding rail support, which is formed by a front support and a rear support, wherein the front support comprises a first main plate; edges of the upper side and the lower side of the first main plate are bent to the inner sides to form side plates; the side plates and the first main plate form two triangular sliding grooves; the two side plates are in a toe-in type; the rear support comprises a second main plate; edges of the upper side and the lower side of the second main plate are bent to the inner sides to form sliding sheets; the sliding sheets are in a toe-out type; the rear support is movably sleeved inside the sliding grooves of the front support via the sliding sheets; and the sliding rail is fixed at the outer side of the front support. Through improvement on the sliding rail support of the prior art, the arc-shaped sliding grooves of the original front support are changed into the triangular sliding grooves, the two triangular sliding grooves form a toe-in structure, and when the sliding rail support bears a force, the toe-in structure of the front support and the toe-out structure of the rear support are closely matched, strength of the connection part between the front support and the rear support is greatly enhanced, the sliding rail support is not easy to deform and get loose, and the use cost is reduced.

The invention discloses an automatic coil winding device, and belongs to the technical field of coil winding equipment. The device comprises a chassis for providing power, a winding roller and a guidemechanism; a wire winding column is mounted on the winding roller; a wire tightening mechanism is arranged between the guide mechanism and the winding roller; wires are wound on the outer wall of thewire winding column after penetrating through the guide mechanism and the wire tightening mechanism; the wire tightening mechanism and the guide mechanism are both mounted on a movable frame; the wire tightening mechanism comprises a base plate; a wire passing groove is formed in the middle part of the base plate; wire passing holes communicating with the wire passing groove are formed in two ends of the base plate; a lead screw is vertically arranged on the upper surface of the base plate; and a pressing plate sleeves the lead screw. The wire tightening mechanism is mounted between the wirewinding column for winding the wires and the guide mechanism for guiding the wires, so that the wires are always located in a tightened state in the feeding process, and can be tightly wound on the wire winding column without loosening to achieve good wire winding effect.

The invention discloses a fastening bolt for fixing a copper foil tester. The fastening bolt comprises an outer sleeve, a clamping piece, a first through hole, a second through hole, a first ejection column, a first fastening block, a bolt, a first connecting piece, a second ejection column, a second fastening block and a second connecting piece. The fastening bolt is convenient and fast in installation and disassembly; no structural part generates external force deformation; and the fastening bolt can be recycled, and is better in fastening effect.

The invention provides a livestock hay bundling device, and relates to the field of livestock breeding. The livestock hay bundling device comprises a supporting base, two conveying shafts distributed front and back are installed above the supporting base, a rail is fixedly installed on the portion, located on the right sides of the two conveying shafts, of the upper surface of the supporting base, a mounting ring is fixedly installed on the right side surface of an inner ring of the rail, six guide rods are elastically hinged to the right side surface of the mounting ring, a traction machine is installed in the rail, a folding machine is installed on the right side face of the traction machine, two clamping plates are fixedly installed on an output shaft of the folding machine, and rolling shafts are installed at the front ends of the two clamping plates. According to the livestock hay bundling device, through the arrangement of the rail and a bundling belt wheel, bundling belts can be installed in the bundling belt wheel, the effect of conveniently fixing hay is achieved, and the problems that in the prior art, hay is inconvenient to bundle, time and labor are wasted during bundling, and bundling is not firm enough easily after bundling are solved.

The invention relates to an elliptical hole machining device. A workpiece clamping device, a spindle box and a power head are arranged on a seat frame; the spindle box is arranged above a longitudinal feeding device; a hollow worm wheel spindle, a circumferential feeding worm wheel and a circumferential feeding worm spindle are arranged inside the box; a first eccentric axial through hole is formed on the hollow worm wheel spindle; a hollow shaft is arranged in the first eccentric axial through hole; the two ends of the hollow shaft are fixedly connected with pinions respectively; the pinions are meshed with internal gears which are fixedly connected at the two ends of the box; the gear ratio and the pitch diameter ratio of the internal gears and the pinions are both 2:1; second eccentric axial through holes are formed on the two pinions; a cutter spindle is arranged in the second eccentric axial through holes; one end of the cutter spindle is provided with a cutter; and the other end of the cutter spindle is connected with the power head through a telescopic universal coupling. The elliptical hole in the invention has a smooth formed surface, accurate dimension and high quality, and the elliptical hole machining device can meet batch machining of different elliptical holes with low machining cost.

The invention discloses a decorative cement. The cement is prepared form the following materials in parts by weight: 12 to 22 parts of Portland cement, 4 to 7 parts of tourmaline powder, 2 to 4 parts of N-acyl sarcosinate, 0.2 to 0.7 parts of fiberglass, 0.3 to 0.5 parts of calcium silicate hydrate, 0.2 to 0.7 parts of calcium chloride, 15 to 20 parts of EVA emulsion, 2 to 4 parts of neutralizer, 3 to 5 parts of preservative, 2 to 4 parts of ethanediol, 4 to 6 parts of isobutylene, 3 to 7 parts of kaolin, 6 to 9 parts of fiber, 15 to 23 parts of polyurethane rigid foam particle, 12 to 24 parts of aluminium silicate, 10 to 16 parts of melamine resin, 15 to 25 parts of resorcinol. The cement has the following beneficial effects: the decorative cement has good workabilities of easy-blending and no-bleeding; the cement will not loose and expand; and the corrosion resistance of the cement is improved.

The invention relates to the field of forestry, in particular to a forestry tree transplanting device which comprises a transfer mechanism, a transplanting mechanism, a storage battery, a pushing handle and a control screen. The transplanting mechanism is arranged in the middle in the transplanting mechanism, the storage battery is arranged in left rear of the top of the transfer mechanism, and the pushing handle is arranged above the rear of the transfer mechanism. Quick wrapping and protecting of tree roots and attached soil ball portions during transfer are realized, protection performanceis good, troublesome steps are not needed, and soil loosening caused by bumping during transporting is avoided, planting can be realized without the help of hoisting equipment, and conversion use of aprotection mechanism is realized; the device is more convenient, quicker and humanized in operation, so that workload and working intensity are reduced greatly.

The invention discloses an organic fertilizer granulator with characteristic of uniform granulation. The organic fertilizer granulator comprises a base, a compacting box, a pushing shaft, a first motor, a granulating chamber, a gas cylinder, a granulating cylinder, a granulating plate, a cutter, a second motor, a round barrel and a third motor, wherein the base is provided with brackets, the granulating chamber is arranged above the right bracket, the compacting box is arranged above the granulating chamber, and a cross beam is arranged on the left side of the compacting box, and is fixed on the left bracket. According to the present invention, the structure is simple; through the pushing shaft in the compacting box, the organic fertilizer is initially compacted, such that the organic fertilizer cannot be loosened during the granulating; the initially compacted organic fertilizer is extruded again by the pushing plate in the granulating chamber, the preliminary granules are cut by thecutter, and the preliminary granules are tumbled along with the rotating of the round barrel to form the spherical solid granules; and with the organic fertilizer granulator, the granulation process of the organic fertilizer is compact and ordered, the obtained organic fertilizer granules are uniform and round, and the granulation quality is high.

The invention discloses a cleaning device of dyed textile. The device comprises a box body, a cleaning box is fixedly connected with one side of the inner wall of the box body, and a first motor, a water pump and a blower are fixedly connected with the bottom of the inner wall of the box body in sequence; a screw rod is fixedly connected with an output shaft of the first motor through a coupler, asupporting rack is fixedly connected with the surface of the screw rod through a sliding block, and a discharging roller is rotatably connected with the top of the supporting rack; a temperature sensor and a heater are fixedly connected with the bottom of the inner wall of the cleaning box, a temperature control box is fixedly connected with the bottom of the inner wall of the box body, a water wiping device is fixedly connected with one side of the inner wall of the cleaning box through a fixing plate, and a drying device is fixedly connected with one side of the inner wall of the box body through a second supporting plate. The invention relates to the technical field of textile processing. The cleaning device of dyed textile effectively controls the temperature of clear water, guarantees the cleaning quality, dries and collects the cleaned textile at the same time, improves the working efficiency and reduces the labor force.

The invention discloses an automatic wire cutting peeling machine for a cable. The automatic wire cutting peeling machine comprises a guide portal, a measurement portal, a routing portal, a hydraulic wire cutting machine, a driving motor assembly, a rotating mechanism, a sliding-rotating mechanism, a laser cutting head assembly, a laser tube bracket, three reflector assemblies, a laser tube and a wire cutting and peeling machine stander, wherein the laser tube is horizontally fixed on the laser tube bracket; the sliding-rotating mechanism is connected with the rotating mechanism; the rotating mechanism is connected with the driving motor assembly; the hydraulic wire cutting machine is positioned on the left side of the driving motor assembly; the laser cutting head assembly is positioned on the right side of the sliding-rotating mechanism; the routing portal is positioned on the left side of the hydraulic wire cutting machine; the measurement portal is positioned on the left side of the routing portal; the guide portal is positioned on the left side of the measurement portal; the three reflector assemblies are in L-shaped arrangement; the reflector assembly at the head end of the L shape is horizontally flush with the laser tube; the reflector assembly at the tail end of the L shape is flush with the laser cutting head assembly. When the automatic wire cutting peeling machine is used, a wire core can not be cut off, and a conduction effect is guaranteed.

The invention relates to an air nozzle fastening structure for branch air pipe. The structure comprises air nozzles and air nozzle fasteners, the air nozzle is used for providing uniform hot air for a drying room, an air nozzle plate is fixedly connected at two ends of the air nozzle, an air outlet is fixed at the exit of the air nozzle, flanges are vertically fixed at two ends outside the air outlet, a plurality of air nozzle fasteners are arranged in the lengthwise direction of the air nozzle, the air nozzle fastener has a straight plate, two ends of the straight plate are fitted on the flanges, a folded plate is vertically fixed at two sides of the straight plate and embedded in the air outlet, two ends of the folded plate and the air outlet are in interference fit, and the air nozzle fastener has a crossed unfolding shape. The inventive air nozzle fastening structure is firm, can prevent the air nozzles and air nozzle plates from flanging inwards / outwards under pressure by use of the air nozzle fasteners, and has the folded plate embedded in the air outlet to ensure the air outlet spacing. The air nozzle fastener has simple manufacture, convenient mount and repair, and high production efficiency, the air nozzle fastener plate has small thickness, little material consumption and low cost, and the plurality of air nozzle fasteners and the air nozzle are firmly connected to indirectly reduce air nozzle plate thickness and lower production cost.

The invention discloses a square brick roller pressing device for a passing building, which comprises a shell, a charging opening, a discharging opening, a crankshaft reciprocating mechanism and a first hydraulic device; a support base is arranged on the bottom of the shell, the charging opening is communicated with a drying room by the shell, drying rollers are connected by a transmission belt, the discharging opening is communicated with the drying room, a conveyor belt is fixed on the shell, the upper end of the crankshaft reciprocating mechanism is connected to a motor, a sliding block is fixed on a sliding rod, the sliding block is fixedly provided with a hammer plate, the first hydraulic device is provided with a flattening plate, a pull door is mounted on a flattening box, and a push-out plate is located on a second hydraulic device. The briquetting device for powder raw materials removes water content on the surface of the raw materials by the drying rollers, and the hammer plate is driven by the crankshaft reciprocating mechanism to repeatedly flatten structures on the conveyor belt, such that the briquetted raw materials will not be loosed, the briquetting effect is good, and meanwhile, the working efficiency is greatly improved.

The invention discloses a connecting piece for steel pipe piles. The connecting piece for the steel pipe piles comprises an upper connecting part coaxially and fixedly connected with an upper sectionof steel pipe pile, and a lower connecting part coaxially and fixedly connected with a lower section of steel pipe pile; at least two first insertion holes are inserted in the peripheral wall of the upper connecting part; at least two second insertion holes are formed in the peripheral wall of the lower connecting part; and when the upper section of steel pipe pile is connected with the lower section of steel pipe pile, at least two first insertion holes and second insertion holes are inserted in the connecting parts to fix the upper section of steel pipe pile with the lower section of steel pipe pile. The connecting piece can quickly finish connection of sections of the steel pipe piles on the construction site, and is stable and uniform in connecting quality.

The invention discloses a slate soft tile. The slate soft tile contains the following components in percentage by weight: 10%-14% of water, 0.3%-0.7% of cellulose, 7%-9% of an industrial emulsion, 27.7%-31.3% of mineral powder and 45%-55% of quartz sand. The invention further provides a process method of the slate soft tile. The process method comprises the following steps: mixing: mixing the raw materials together to obtain a mixture, adding a proper amount of coloring matters into the mixture, and uniformly stirring by virtue of a stirring machine, so as to form a slurry; mold filling: spraying a layer of slurry to the mold by virtue of a slurry pump, paving a glass fiber net on the surface of the slurry, spraying another layer of slurry to the glass fiber net by virtue of the slurry pump until the glass fiber net is submerged in the slurry; heating, putting the mold filled with the slurry into a baking oven, setting the temperature at 75-85 DEG C, and heating for 2.5-3.5 hours; and demolding: manually or mechanically taking out the soft tile put in the mold.

The invention discloses a novel composite fire retardant module and a preparation method thereof. The novel composite fire retardant module has good fire retardance and water resistance and is also simple in processing technology, convenient in construction and nontoxic and nonharmful to the environment.

The invention discloses an improved grounding device. The improved grounding device comprises a substrate, wherein a rod body is fixedly connected to the bottom of the substrate; a cone is integrally formed at the bottom of the rod body; a sleeve is fixedly arranged below two sides of the substrate; a notch is formed in the periphery of the sleeve; an expansion cone is arranged below the sleeve; a threaded rod is movably connected to the top of the expansion cone and sequentially passes through the sleeve and the substrate; a spacer is movably connected to the threaded rod in a sleeving manner; a screw cap is connected to the top end of the threaded rod via a screw thread; a wire holder is fixedly arranged at the top of the substrate; a through hole is formed to pass through the top of the wire holder; a bolt is inserted into the through hole and connected to the through hole via a screw thread; a pressing plate is movably connected to the lower end of the bolt. Through expansion of the sleeve, the improved grounding device and the ground are well fixed, and the disabling of a grounding function is avoided to a great extent, so that the safety of people's life and property is guaranteed.

The invention discloses a filler sheet. The filler sheet comprises a strength support layer and is characterized by further comprising a hydrophilic layer which is compounded on the surface of the strength support layer. The filler sheet has the advantages of high uniform distributivity of liquid on the surface of a filler, larger gas-liquid contact area and improvement on mass transfer efficiency due to the hydrophilic layer on the surface of the filler sheet. The invention also discloses the filler made of the filler sheet.

The invention provides an agrobacterium-mediated rapid genetic transformation method for japonica rice. The method comprises steps as follows: induction, infection, co-culture, screening, differentiation and rooting. According to the method, the whole transformation process consumes about 70 d, the time is more than 3 months less than that of conventional transformation, the callus initiation rate with the transformation method is higher than 85%, the average resistant callus rate is 69.71%, the average differentiation rate is 84.58%, and the average transformation rate is about 58%. In general, the genetic transformation method can guarantee the genetic transformation efficiency, so that the method is high in operability and suitable for large-batch japonica rice genetic transformation experiments, a lot of time is saved for fundamental research on rice, and meanwhile, consumption of manpower, material resources and financial resources during the experiments is reduced.

The invention relates to the field of building door / window protection devices, in particular to an invisible shielding window. The invisible shielding window comprises a frame, a steel wire, steel wire fasteners, a cover plate and an alarm, wherein the frame is a rectangular body formed by combination of an upper frame body, a lower frame body, a left vertical frame body and a right vertical frame body in a closed mode, a plurality of wire holes are evenly and symmetrically formed in the upper frame body and the lower frame body, the steel wire fasteners are installed at the bent portions of the sections where the steel wire is connected with the upper frame body and the lower frame body, and the steel wire penetrates through the wire holes in a vertically reciprocating mode and is vertically fixed between the upper frame body and the lower frame body through fixing pillars of the steel wire fasteners; electric leads are connected with the head end and the tail end of the steel wire respectively, the alarm is connected between the electric leads, and the alarm is installed in the left vertical frame body or the right vertical frame body; an adhering device is arranged on one side of the surface of the frame and is used in cooperation with an adhering device arranged at a corresponding position of the surface of a wall, so that the shielding window is fixed to the surface of the wall. The invisible shielding window is high in safety coefficient, more convenient and faster to assemble and disassemble, capable of saving time for users greatly, and capable of being installed by a user only without the help of professionals.

The invention relates to an optical fiber fusion splicing method comprising the following steps that a. coating layers are removed: the coating layers of the optical fibers in two optical cables in a fusion splicing area are removed by adopting a hot stripping method, then cleaning processing is performed on the surfaces of the optical fibers, and there are at least two optical fibers in the optical cables; b. glue is coated: the optical fibers, of which the coating layers are stripped, in the optical cables are adhered together by glue so that optical fiber bundles are obtained; c. cutting is performed: after glue on the optical fiber bundles obtained through the step b is solidified, the end surfaces of the optical fiber bundles are cut to be flat by a cutting knife; and d. fusion splicing is performed: the end surfaces of the optical fiber bundles of the two optical cables are aligned and then arranged in a fusion splicing machine to perform fusion splicing. The optical fiber fusion splicing method has advantages of being high in efficiency and low in cost.

The invention relates to an adhesive applying device and an adhesive applying method for a bamboo skin coil. The adhesive applying device comprises a rack and a transmission component of the bamboo skin coil, wherein an adhesive applying component which is connected with an adhesive source is arranged on the transmission route of the bamboo skin coil. The adhesive applying method comprises the following step: applying an adhesive to a weaving line part on a bamboo skin coil cutting route through the adhesive applying component. The adhesive applying device and the adhesive applying method have the beneficial effects that due to the adhesive applying mode, the weaving line on the bamboo skin coil can be prevented from loosing because of cutting, original quality of the bamboo skin coil can be still maintained after cutting, and compared with a conventional lining cloth pasting process, the adhesive applying device and the adhesive applying method have the advantages of low cost, reliable quality, environment friendliness, and the like.

The invention discloses an arbor group planting method capable of improving the survival rate of transplantation. The method comprises the following specific planting steps: (1) selecting seedlings, (2) digging the seedlings, (3) preparing soil balls and (4) performing group planting of the seedlings, wherein the process of group planting of the seedlings includes (4.1) group planting container selection, (4.2) root control and rapid shape adjustment of seedling raising containers, (4.3) soil laying at the bottom, (4.4) seedling planting and (4.5) planting soil addition. Through the method, the breeding survival rate of group-planted arbor trees can be ensured effectively, and meanwhile the transplant survival rate of the group-planted arbor trees can be improved effectively.

The invention relates to the field of waterproof materials, and particularly provides a waterproof air-permeable material, and a preparation method and application thereof. The waterproof air-permeable material comprises a hydrophobic adhesive and aggregate coated with a hydrophobic material. The aggregate comprises the following raw materials in parts by weight: 30-60 parts of quartz sand, 20-50 parts of haydite and 10-30 parts of slag. The particle size of the quartz sand is 0.05-0.1mm, the particle size of the haydite is 0.07-0.15mm, and the particle size of the slag is 0.2-0.4mm. The waterproof air-permeable material has favorable waterproof effect and excellent air permeability.