320results about How to "Play a waterproof effect" patented technology

The invention discloses a low smoke zero halogen waterproof high temperature resistant anti-corrosion armored cable which comprises a cable body, insulation wire cores, an insulation layer, a shielding layer and an outer sheath. A plurality of conductors are arranged in the cable body, an insulation wire core is arranged in each conductor, and a PVC plastic connection rod is arranged on the outside of the conductors. A current guide core is arranged at the center position of the cable body, an insulation layer wraps the conductors, a filler is arranged in a gap between the insulation layer and the conductors, a shielding layer is arranged on the outside of the insulation layer, a water-resisting layer and the armored layer wrap the shielding layer from the inside to the outside in an extruding mode, a stainless steel wire weaving layer is arranged on the outside of the armored layer, a heat insulation layer, an inner sheath and an outer sheath wrap the stainless steel wire weaving layer from the inside to the outside, a plurality of ground wire cores arranged in symmetry are evenly arranged in the heat insulation layer, and a graphite layer is arranged between the outer sheath and the inner sheath. The conductors are connected through the PVC plastic connection rod, so that the cable body is stable in use, service performance of the cable body is improved, and the service life is prolonged.

The invention discloses a vertical joint waterproofing node of an exterior wall, which belongs to a building structure. Particularly, the invention aims to provide the vertical joint waterproofing node of the exterior wall which has the advantages that the construction speed is high, water retaining grooves are left in the abutted seam of two prefabricated exterior walls, and the waterproofing performance is good. The vertical joint waterproofing node of the exterior wall comprises a first prefabricated exterior wall (1) and a second prefabricated exterior wall (2), and is characterized in that an abutted seam between the side joint of the first prefabricated exterior wall (1) and the side joint of the second prefabricated exterior wall (2) is a micro expansion mortar layer (3). In addition, the abutted seam between the side joint of the first prefabricated exterior wall and the side joint of the second prefabricated exterior wall is 14-16mm.

The invention discloses a wireless geomagnetic vehicle detector and a shell thereof. The shell comprises a base and an outer cover sleeved on the base, the base is connected with the outer cover by bolts, the base comprises a bottom plate and side plates, the side plates are connected with the bottom plate and are closed peripherally, the edge of the bottom plate is protruded from outer walls of the side plates, the outer cover comprises a top and side walls, and the side walls are connected with the top and are closed peripherally. The wireless geomagnetic vehicle detector and the shell have the advantages of stable structure and long service life.

The invention relates to the technical field of concrete protective agents for buildings and in particular discloses a capillary crystalline waterproofing agent and a preparation method of the capillary crystalline waterproofing agent. The capillary crystalline waterproofing agent consists of an organic silicon waterproofing agent, an amorphous silicon dioxide colloidal solution, a surfactant, barium hydroxide and water. The preparation method comprises the following steps: sequentially adding the water, organic silicon waterproofing agent, the amorphous silicon dioxide colloidal solution, the surfactant and the barium hydroxide into a reaction kettle, heating to a reaction temperature, stirring, reducing the temperature to room temperature, filtering to remove impurities, and obtaining the capillary crystalline waterproofing agent. The capillary crystalline waterproofing agent is an organic and inorganic combination, is colorless transparent liquid, has the characteristics of high infiltration capacity, high hydrophobicity, low water absorption rate, environment friendliness and harmlessness and can penetrate into concrete pores to form lots of insoluble crystals to block the concrete pores, the intrusion of sulfate to the concrete can be reduced, and a waterproof protective effect is achieved.

The invention discloses a power adapter housing assembly, a power adapter, an air conditioner and a dehumidifier. An accommodation space for installing a control plate is formed in the housing assembly; the housing assembly comprises an outer housing and an inner housing disposed in the outer housing; the outer housing is provided with an outer air inlet and an outer air outlet; the inner housing is provided with an inner air inlet and an inner air outlet; the inner air inlet and the outer air inlet are mutually staggered and communicate with each other through an air intake channel formed between the outer housing and the inner housing; and the inner air outlet and the outer air outlet are mutually staggered and communicate with each other through an air-out channel formed between the outer housing and the inner housing. The air-flow channels are formed in the housing assembly so that ventilation and heat dissipation of the power adapter are facilitated; and the housing assembly is provided with the inner housing and the outer housing and the air inlets and the air outlets of the inner housing and the outer housing are mutually staggered so that waterproofing effects are exhibited.

The invention discloses an air filter core cleaning device. The air filter core cleaning device comprises a cleaning box, front and rear sides in the cleaning box are provided with transfer bins, theinner walls of the transfer bins are rotatably connected to a first pulley, a clamping cylinder is slidingly connected to the interior of the first pulley, one end of the clamping cylinder is slidingly connected to a first electric telescopic rod through a chute, one end of the first electric telescopic rod far away from the clamping cylinder is fixedly connected to the inner wall of the transferbin, and the inner walls of the two transfer bins are fixedly provided with motors. The air filter core cleaning device utilizes a pressing plate to start a touch switch. After an air filter core presses down the left end of the pressing plate, the right end of the pressing plate can block a later air filter core so that cleaning of the previous air filter core is not influenced. A brush at the top of the pressing plate can brush the outer side of the air filter core. The air filter core cleaning device can be automatically started without manual operation and is easy to use.

The invention discloses a construction method for an extra-deep foundation pit underground continuous wall. Firstly, a grab bucket is used for groove forming, and thus the cost can be saved; after a foundation pit reaches a certain depth, a groove milling machine is used for continuing groove forming, and thus groove forming precision can be guaranteed; further, in the groove forming process, a first hole is formed through the grab bucket and the groove milling machine, then a second hole is formed at a certain distance from the first hole, a partition wall between the two holes is milled, and finally a first-stage groove is formed; in this way, the grab bucket can apply balanced force when excavating each hole, the deviation is effectively rectified, and the perpendicularity of the formed groove is guaranteed; further, after a reinforcement cage is put into the first-stage groove and concrete is poured, the another first-stage groove is formed at a certain distance of the first-stage groove, and finally, a partition wall between the two first-stage grooves is milled through the groove milling machine; preferably, the edges of the concrete in the first-stage grooves in the two sides are milled while the partition walls are milled by the groove milling machine, and accordingly the raw edges are generated, therefore, the bonding tightness of the concrete in the two first-stage grooves and concrete in an intermediate groove can be improved, and the waterproof effect is achieved.

The invention discloses an electric balance car which comprises a car body, wheels, a drive motor used for driving the wheels, a power supply used for providing power, a circuit board and a controller, wherein the circuit board is provided with a sensor. The controller is electrically connected with the circuit board, the power supply and the drive motor. The car body comprises an upper shell, a middle shell, a lower shell, pedals and bottom plates. The upper shell comprises a first upper shell body and a second upper shell body which are symmetrically arranged. The middle shell comprises a first middle shell body and a second middle shell body which are symmetrically arranged. The lower shell comprises a first lower shell body and a second lower shell body which are symmetrically arranged. The middle shell is located between the upper shell and the lower shell. The number of the bottom plates is two. The bottom plates are arranged at the bottom of the first lower shell body and the bottom of the second lower shell body respectively. The controller is fixedly installed between the first lower shell body and the first middle shell body. The power supply is fixedly installed between the second lower shell body and the second middle shell body. The bottom plates are arranged corresponding to the fixing positions of the controller and the power supply respectively and corresponding to the sizes the controller and the power supply.

The invention discloses an automatic glass film feeding and discharging machine with a waterproof structure. The automatic glass film feeding and discharging machine comprises a three-axis movement mechanism, a feeding and discharging device, an installation table, a basket tool and machining tables. The three-axis movement mechanism is arranged on the installation table and comprises an X-axis movement mechanism, a Y-axis movement mechanism and a Z-axis movement mechanism. The X-axis movement mechanism comprises an X-axis sliding rail and an X-axis sliding block. The Y-axis movement mechanism comprises a Y-axis sliding rail and a Y-axis sliding block. The Z-axis movement mechanism comprises a Z-axis sliding rail and a Z-axis sliding block. The X-axis sliding block is connected with a screw rod installed on the X-axis sliding rail, the Y-axis sliding block is connected with a screw rod installed on the Y-axis sliding rail, and the Z-axis sliding block is connected with a screw rod installed on the Z-axis sliding rail. The automatic glass film feeding and discharging device further comprises three drive motors which are installed on the X-axis sliding rail, the Y-axis sliding rail and the Z-axis sliding rail correspondingly. The automatic glass film feeding and discharging machine further comprises the waterproof structure which comprises X-axis waterproof plates, a Y-axis waterproof cover and a Z-axis waterproof plate. The X-axis waterproof plates are arranged on the two sides of the X-axis sliding rail, the Z-axis waterproof plate is arranged on the side, facing the basket tool, of the Z-axis sliding rail, and the Y-axis waterproof cover is installed on the Y-axis sliding rail.

The invention provides electronic equipment, an interface waterproof method for the electronic equipment, and a waterproof interface. The interface comprises a female socket; the electronic equipment comprise a baseband circuit connected with the interface; the interface waterproof method comprises the steps of identifying whether a female socket is inserted or not, if not, keeping the female socket disconnected from the baseband circuit; and if so, switching on the female socket and the baseband circuit. Through the circuit design, the interface is not powered on in default; by inserting an identification module, such as a Hall element, whether the interface is inserted or not can be automatically detected; when the interface is inserted, the electronic equipment is powered on and works; when the interface is not inserted, the interface is not powered on in default so as to achieve the waterproof effect; and in addition, the electronic equipment does not need to add an interface sealing apparatus, so that the electronic equipment is convenient, durable, waterproof and high in reliability.

The invention discloses a safety type energy-saving charging plug and socket of a new energy automobile. The charging plug and socket comprises a charging seat, a charging head, an automobile chargingseat body and a charging gun, wherein the charging seat is arranged in the automobile charging seat body; the charging head is mounted at the front end of the charging gun; a cavity is formed in thefront end of the automobile charging seat body; the shape of the cavity is consistent with that of the charging head; guide slots are formed in the inner side of the front end of the automobile charging seat body and the outer side of the charging head; a charging interface main body is arranged in the charging seat; the charging interface main body is not in contact with the side wall of the inner side of the charging seat; an electromagnetic adsorption seat is arranged on the inner side of the charging seat; and an electromagnetic generator is arranged on the rear side of a battery adsorption seat. The charging plug and socket is reasonable in structure and convenient to use; the structure of an existing charging interface is improved; the safety in use is improved; and a charging devicecan be separated in time, so that the energy consumption is reduced.

The invention relates to the technical field of charging doors of electric vehicles, and aims to solve the problem that the existing charging interface of the electric vehicle occupies a large surfacearea of a vehicle body and has poor protection performance. To this end, the invention provides a convertible charging interface component and an electric vehicle. The charging structure component comprises: an insertion inlet; a rotating member at least comprising a first charging socket and a second charging socket; and a driving member connected to the rotating member for driving the rotatingmember to rotate; the rotating member is configured to selectively align the insertion inlet with the first charging socket or the second charging socket under the action of the driving member, so asto form a charging interface. The charging interface component provided by the invention occupies a small surface of the vehicle body, is convenient to operate, reduces the probability of contact withexternal rain, dust and hard objects, helps to reduce the cost of users.

The invention discloses a waterproof connection structure matched between an end socket of a lighting tube in a light fitting and a slot of a plug socket. The outer peripheral surface (101) of the end socket is provided with at least one annular groove (102), wherein a sealing ring (3) is sleeved in the annular groove (102); the thickness of the sealing ring (3) is larger than the depth of the annular groove (102); the inner peripheral surface (201) of the slot of the plug socket has a taper; the end socket and the slot of the plug socket form a compacting seal through the sealing ring (3) and the taper of the inner peripheral surface (201); and the sealing ring (3) is matched with the taper of the inner peripheral surface (201) in a sealing mode for preventing water. The waterproof connection structure can be widely used in the field of light fittings.

The invention relates to an assembly type supporting piece and a cultivation net cage with the same. The supporting piece comprises a horizontal supporting part, a diagonal bracing angle iron and a connecting angle iron; the horizontal supporting part is formed by assembling the angle irons back to back in a staggering manner; the upper end of the diagonal bracing angle iron is obliquely connected with the horizontal supporting part and connected and assembled to a triangular diagonal bracing structure along the length direction of the horizontal supporting part; the lower end of the diagonal bracing angle iron is connected through the connecting angle iron. The cultivation net cage comprises a cubic steel framework and a net cloth attached on the steel framework; the bottom face of the steel framework is provided with the assembly type supporting piece in a staggering manner along the opposite angle so as to support the steel framework. The supporting piece can be assembled at the placing field of the cultivation net cage to avoid transportation of a large-sized supporting piece; the supporting piece structure can prevent the three-dimensional twisting, stably support the bottom part of the net cage, prevent deformation of the net cage, and improve the impact tolerance of the net cage by seawater.

The invention provides an LED display screen. The LED display screen comprises a PCB, a plurality of LED granules, a plurality of glue frames and a shielding portion; the LED granules are arranged on the PCB; the glue frames are arranged on the PCB, the glue frames are provided with a plurality of protruding portions which are arranged at intervals in the direction of being perpendicular to the PCB, the protruding portions and the PCB form a plurality of grooves, and the LED granules are arranged in the grooves; the shielding portion covers the upper surfaces of the glue frames, and the light transmittance of the shielding portion is larger than 5% and smaller than 30%. Compared with the prior art, the LED display screen has the advantages that the transmittance of a film (or a plate) attached to the surface of the LED display screen can be regulated according to the actual needs to achieve a balance of the contrast ratio and the light transmittance, so that the LED screen can better achieve the integration; meanwhile, the film (or the plate) can achieve the waterproof effect, effectively reduce the reflectance of the glue frames and increase the contrast ratio, so that the application places of the LED screen are more.

The invention belongs to the technical field of diaphragm wall construction, in particular relates to a diaphragm wall seam waterproof method and a diaphragm wall construction method based on the same, and solves the problem that the conventional seam waterproof method easily causes an engineering accident. The diaphragm wall construction seam waterproof method comprises the following steps of: 1) binding a reinforcement cage, wherein one end face of the reinforcement cage is a concave circular arc surface and the other end face of the reinforcement cage is a convex circular arc surface, and the radius of the concave and convex circular arc surfaces is consistent with that of a joint pipe; and 2) welding iron sheet protective surfaces with the same shape on the concave and convex circular arc surfaces, and welding waterproof plates on inner and outer side surfaces of the reinforcement cage at the end of the concave circular arc surface, wherein the length of the outer side surface waterproof plate beyond the reinforcement cage is greater than that of the inner side surface waterproof plate beyond the reinforcement cage. The diaphragm wall seam waterproof method has the advantages that: the joint waterproof problem is radically solved; the economic effect is obvious; and the pulling of the joint pipe is not limited by time any more and substantially has no disturbance and damage to the diaphragm wall, so the construction quality of the diaphragm wall is guaranteed.

The invention discloses a micro sounder, and relates to the technical field of electro-acoustic products. The micro sounder comprises a second shell; the second shell is used for containing a vibration system and a magnetic circuit system; the micro sounder further comprises a first shell; the first shell comprises a top wall and a side wall; the edge part of the vibration system is glued and fixed between the top wall of the first shell and the upper head face of the second shell; the side wall of the first shell encircles outside the second shell; furthermore, a first glue containing cavity is arranged between the side wall of the first shell and the outside surface of the second shell; and waterproof glue is filled in the first glue containing cavity. The micro sounder disclosed by the invention solves the technical problem that the waterproof performance of the micro sounder in the prior art is poor; and the micro sounder disclosed by the invention is good in waterproof performance, high in reliability and long in service life, and can satisfy waterproof requirements.

An anti-creeping and anti-seepage safe power socket plate is disclosed. The safe power socket plate comprises: an upper shell, a lower shell and a socket unit. A sealing washer is arranged on a junction of the upper shell and the lower shell. An upper shell panel is provided with a hole which is used to install the socket unit. A jockey for position piece is arranged beside the hole. An upper portion of the socket unit is placed in the hole of the upper shell panel. An upper end surface cover plate of the socket unit is embedded in an annular groove and is in a same level of the upper shell panel. A cavity of the annular groove is provided with an elastic waterproof circle. An upper-part external diameter of the socket unit is less than the external diameter of a bottom. An annular step surface is formed. Two side of the annular step surface are provided with mutually symmetrical location columns. A plug clamping piece is arranged on a jack bottom of the socket unit. An electrode touch column connected with the clamping piece passes through the jack bottom of the socket unit and molded with the socket unit so as to form one body. A sidewall of the jack bottom of the socket unit isprovided with a drain hole. A bottom seat surface of the lower shell is provided with an electrode conducting strip. A center of the bottom seat surface is provided with a fixed column and a spring. The two sidewall of the upper shell are provided with water outlets. A structure is simple. Manufacturing costs are low. Anti-creeping and anti-seepage safe performance is good.

The invention belongs to the technical field of cold adhering construction of waterproof coiled materials, and discloses a modified asphalt cold adhesive and a preparation process of the modified asphalt cold adhesive. The modified asphalt cold adhesive is mainly technically characterized by comprising No.100 asphalt, a thickening agent, an organic solvent, butadiene styrene rubber powder, a modifier, an emulsifier, etc.; the thickening agent is terpene resin, hydrogenated rosin, abietin or C5 resin; the organic solvent is naphthenic oil or aromatic oil; the modifier is SIS1105 or SBS796; and the emulsifier is OP-10. According to the modified asphalt cold adhesive, the high-quality solvent is adopted, nearly no harm and pollution are brought to the atmosphere and the environment, the problem that a polyethylene film is hardly adhered can be solved, and the construction is low; and when the modified asphalt cold adhesive is adopted and used for carrying out the construction to the waterproof coiled material through a cold adhering way, the process is simple in construction, and green and environment-friendly.

The invention relates to an electric car charging device capable of being placed beneath ground, belongs to the field of charging of electric cars, and solves the main problem that the conventional electric car charging device occupies environmental spaces and reduces the land utilization rate. The electric car charging device comprises a charging case, and a concrete structure positioned beneath the ground surface, wherein the charging case is positioned in the concrete structure; the concrete structure comprises a cuboid accommodating bin, a cuboid air inlet water-proof bin, a right-trapezoid-shaped air inlet water drainage bin of which the bottom is an inclined plane and a right-trapezoid-shaped air exhaust water drainage bin of which the bottom is an inclined plane; the charging box is positioned in the accommodating bin; the air inlet water-proof bin is positioned under the accommodating bin; the air inlet water drainage bin and the air exhaust water drainage bin are positioned on the two sides of the accommodating bin. The electric car charging device is mainly used for charging electric cars.

The invention discloses a two-component self-heal waterproof sealant in the field of construction. A liquid material comprises an aqueous polyurethane water expandable sealant and a tackifier, and a powder material comprises nano-scale silica powder, nano-scale montmorillonite powder, super water absorbing resin, a cement-base osmotic crystalline parent material and an age resister. The self-heal waterproof sealant has the advantages that: (1) after construction, the two components can be reacted for solidification in a sealed state, and the sealing waterproof effect is achieved; (2) cracks are cracked again after construction, and the sealant can block the cracks in a self-heal mode to achieve the waterproof effect; (3) the sealant has high substrate adaptability, and can be inlaid or poured; (4) the coated sealant has high elasticity and flexibility; (5) the sealant has high substrate bonding performance; and (6) the product does not contain any solvent, is environment-friendly and is an environment-friendly waterproof sealant.

The invention discloses a controller shell assembly which comprises an upper cover (1) and a lower cover (2) matched with each other, wherein an accommodating region (4) for horizontally placing a power supply element installation plate (3) is formed between the assembled upper cover (1) and the lower cover (2); the top end surface close to the lower cover (2) of the accommodating region (4) is resisted against the bottom surface on the edge of the power supply element installation plate (3); the bottom end surface close to the upper cover (1) of the accommodating region (4) is adhered with the top surface on the edge of the power supply element installation plate (3); an installation hole (5) for extending out an electrical joint (3.1) of the power supply element installation plate is further formed in the front side wall of the assembled upper cover (1) and the lower cover (2); and the inner wall of the installation hole (5) is adhered with the outer wall of the electrical joint (3.1) of the power supply element installation plate. The controller shell assembly can be used for accommodating the installation plate with the electrical appliance element and can be used for preventing the using quality of the electrical appliance element from being affected due to direct exposure of the electrical appliance element.

The invention provides a power distribution cabinet having an efficient heat dissipation function. The power distribution cabinet comprises a cabinet body and an exhaust hood. The exhaust hood is connected on the upper end of the cabinet body. The end, outside the cabinet body, of the exhaust hood is fixedly connected with a rain cover. The side walls, outside the cabinet body, of the exhaust hoodare provided with a plurality of exhaust vents. The power distribution cabinet having the efficient heat dissipation function is simple in structure; through fixation frames and horns, the incoming flow is allowed to partially flow into an air flow space; through distribution covers, air flow is allowed to come from different directions to take away the heat in all parts of electrical equipment,thereby achieving an efficient heat dissipation effect; through heat conduction rods and water absorption sponges, temperature in a ventilation frame is allowed to be transmitted to the water absorption sponges, thereby achieving a heat dissipation effect; and through the rain cover, water shielding plates and water absorption cotton, external rainwater can be prevented from entering the cabinet body, thereby achieving a waterproof effect.

The invention discloses a medical dressing and a preparation method of the medical dressing, belonging to the field of medical dressing materials. The medical dressing is made of a non-woven fabric, a waterproof and moisture permeable layer is sprayed to the front side of the non-woven fabric, the waterproof and moisture permeable layer is prepared by a polyurethane nanofiber membrane, the surface of the polyurethane nanofiber membrane is coated with gelatin nano particles, and an antibacterial agent is loaded in the gelatin nano particles; meanwhile, a waterproof layer is sprayed to the back side of the non-woven fabric. The preparation method of the medical dressing comprises the following steps: (1) preparing the non-woven fabric compounded with the polyurethane nanofiber membrane; (2) preparing the polyvinylidene fluoride waterproof layer; (3) preparing gelatin nano particle freeze-dried powder; (4) preparing a gelatin nano particle suspension loaded with the antibacterial agent; and (5) coating the surface of the polyurethane nanofiber membrane with the gelatin nano particle suspension loaded with the antibacterial agent, thus preparing the target product. The medical dressing has water-proofing and moisture-permeating capacities, and also can release the antibacterial agent intelligently, so that the drug resistance of bacteria is reduced.

The invention relates to a trenchless directional drilling construction method for a pipeline burying channel. The trenchless directional drilling construction method comprises the following steps that 1, pipe distribution is conducted, specifically, hot melting connection is conducted on the end faces of two PE solid-wall pipes; 2, directional drilling is conducted, specifically, a working pit and a receiving pit are manufactured, and a directional drilling machine is adopted for hole drilling; 3, back chambering construction is conducted, specifically, chambering is conducted in a step-by-step chambering mode to form a pipeline; 4, the pipe is pulled back, specifically, the pipe is pulled by adopting a pipe puller; and 5, inspection wells are manufactured, specifically, foundation pits are excavated in the two sides of an effective pipe section, the prefabricated inspection wells are installed, the prefabricated inspection wells are in waterproof connection with the PE solid-wall pipes, and then the foundation pits and the peripheries of the prefabricated inspection wells are backfilled. Only the working pit and the receiving pit need to be excavated in the ground, drilling, chambering and pipe pulling operations are carried out at the positions of the working pit and the receiving pit, and environmental influences such as multiple construction technology procedures, a largeamount of road surface damage and traffic obstruction caused by pipeline open excavation construction can be avoided.

The invention discloses an improved aging-resistant waterproof coating material. The improved aging-resistant waterproof coating material is prepared from the following raw materials in parts by weight: 5-10 parts of fluoro-olefin resin, 2.5-3.8 parts of 4-methyl guaiacol, 3.5-8 parts of glycol, 2.5-7 parts of white latex, 1.2-3.5 parts of propylene glycol methylether acetate, 1.2-2.8 parts of trimethylol propane triacrylate, 1.5-3.6 parts of 5-di-tert-butyl-hydroquinone and 2.3-3.8 parts of aluminum-carbon firebrick powder. According to the waterproof coating material disclosed by the invention, the aluminum-carbon firebrick powder is added, and density differences exist between the aluminum-carbon firebrick powder and other ingredients, so that when the waterproof coating material disclosed by the invention is coated on a waterproof surface, the aluminum-carbon firebrick powder in the waterproof coating material can be of layered distribution due to different densities and can exert a waterproof effect like that of two-felt three-oil; a finished product of the waterproof coating material has the advantages of convenience in construction, strong bonding power and tensile resistance and good ageing resistance.

The invention provides a novel waterproof curtain wall. The novel waterproof curtain wall comprises a curtain wall board, a waterproof ventilation film and vent holes. The waterproof ventilation film is arranged on one side of the curtain wall board, the evenly-distributed vent holes are formed in the curtain wall board, the waterproof ventilation film and the inner walls of the vent holes are provided with dry coatings respectively, and the curtain wall board is made of aluminum materials. The novel waterproof curtain wall has the advantages that design is simple, and the structure is reasonable; the vent holes are formed in the surface of the curtain wall board, and air ventilation and weight reduction are facilitated; meanwhile, the waterproof effect can be achieved through the waterproof ventilation film, and moisture is absorbed through the dry coatings, so that humidity is avoided, and the service life is prolonged.

The invention discloses a length-fixed antenna with special antenna adaptor device to solve the problem that the prior normal antenna has difficulties in meeting different requirements due to complex on-site test environment and working conditions of a structure during the field test of various engineering structures. According to the actual conditions of field test environments and the characteristics of different structures, the antenna adopts a waterproof film design and has a length adjusting function and a super-high pressure-resistance and waterproof function. Meanwhile, according to design, the antenna is available in circular and flat cross sections so as to meet the requirements on antennae of specific test environments. Obviously, the adjustable antenna for testing engineering structures can well meet the requirements of complex field test environments on the antennae, improve the safety and convenience of on-site test operations, and guarantee the smooth completion of the on-site test operations.

The invention provides a colored mortar consisting of cement, sand and the like. The colored mortar is prepared by agitating cement, sand, ferric oxide pigment, water and admixture with the weight ratio of1:2:3:0.58:0.24. The colored mortar is prepared by mixing sand, cement and water first and then doping iron oxide pigment and admixture. The colored mortar realizes effectiveness of beauty and practicality to art surface mortar compared with traditional decoration facing material. The colored mortar has the advantages of common mortar, reduces common decoration materials, lightens the load ofbuilding walls, decorates the walls, and greatly reduces the use of national resources. The colored mortar, as outer decoration, is beautiful and waterproof and adopts same materials for the color soas not to be easy to discolor and fade.

The invention discloses a parapet wall waterproof structure, and relates to the field of buildings. According to the technical scheme, the structure is characterized by being applied to a node betweena roof boarding and a wall body and comprises a convex strip arranged on the inner side of the wall body, wherein the convex strip extends in the horizontal direction corresponding to the wall body,a waterproof coiled material is laid at the junction between the roof boarding and the wall body, the side face of the waterproof coiled material is simultaneously attached to the side face, facing the inside, of the wall body and the upper end face of the roof boarding, and the upper end face of the waterproof coiled material abuts against the lower end face of the convex strip; a sealing plate is further arranged on the upper end face of the roof boarding, the sealing plate is arranged on the upper end face of the waterproof coiled material, and the sealing plate enables the waterproof coiled material to abut against the wall body. The waterproof coiled material abuts against the lower end face of the convex strip and is attached to the upper end face of the roof boarding through the pre-arranged convex strip, so that the operation of embedding the waterproof coiled material into the wall body is changed, the operation of damaging the wall body in modes of wall body grooving and thelike is avoided, the integrity of the parapet wall body is guaranteed, and in addition, the hidden safety hazard of water leaking of a roof is effectively solved.