146results about How to "Play an aesthetic role" patented technology

The invention relates to an intelligent anti-collision guardrail structure. The intelligent anti-collision guardrail structure consists of a power system, an anti-collision system, a car preventing system, a violation and evidence obtaining system, an intelligent system, an alarming and reminding display system and a control system. The power system consists of a solar cell panel, a storage battery, a motor, a speed changing box, a hydraulic motor and a hydraulic pump. The anti-collision system consists of a lifting subsystem, a flexible protection subsystem, a semi-rigidity protection subsystem, a rigidity protection subsystem, an air cushion protection subsystem and a magnetic protection subsystem. The violation and evidence obtaining system consists of a camera, a video camera, a radar tachymeter, a wifi device, a GPS device and a data rod. The intelligent anti-collision guardrail structure has the advantages of being high in intellectualization, capable of adjusting a collision angle, high in construction speed, convenient to maintain and long in service life.

The invention relates to a seamless canopy awning and belongs to the technical field of outdoor automatic sun-shading. The seamless canopy awning comprises a cloth winding device, a guide rail structure, a sun-shading cloth bottom beam and a traction structure. The cloth winding device is provided with sun-shading cloth. The guide rail structure comprises a traction space containing the traction structure and a bottom beam moving space formed beside the traction space to contain the end of the sun-shading cloth bottom beam. The bottom beam moving space is connected with an extension stop part. According to the scheme, the seamless canopy awning can shade people from sun completely.

The invention relates to a semi-hand-sewing method for a shirt. The method includes the first step of cutting out a front shirt piece, a back shirt piece, yokes, sleeve pieces, cuffs and a collar of the shirt, the second step of sewing side seams of the front shirt piece and the back shirt piece, sewing the yokes and back shoulder portions of a shirt body and sewing the sleeve seams and side seams of the sleeve pieces, and carrying out processing on the sleeve pieces and the cuffs in a machine processing mode, the third step of carrying out sewing processing on the yokes of the shirt with the shift body in a hand sewing mode, the fourth step of carrying out sewing processing on shirt sleeves with the processed shirt body in a hand sewing mode, the fifth step of sewing pentagonal attached cloth on joints between the front shirt piece and the back shirt piece of the shift body, and the sixth step of sewing shirt buttons on the front fly portion of the shirt body in a hand sewing mode. According to the method, hand processing and machine processing are combined, the production efficiency of the shirts is guaranteed, and the processing quality is improved.

The invention provides a carbon fiber heating plate and a production process thereof, belonging to the field of floor heating technologies. The carbon fiber heating plate and the production process thereof solve the problem of bad contact between carbon fiber hot lines and a copper strip in the existing carbon fiber heating plate. The carbon fiber heating plate comprises an upper insulation layer, a lower insulation layer and a copper strip, wherein the copper strip is electrically connected to a plurality of carbon fiber hot lines, the carbon fiber hot lines and the copper strip are arranged between the upper insulation layer and the lower insulation layer, a plurality of connecting holes are formed in the copper strip, the carbon fiber hot lines are partially positioned in the connecting holes and are connected between the upper insulation layer and the lower insulation layer through the connecting holes, the sections of the carbon fiber hot lines among the connecting holes are compressed and are in contact with the copper strip to achieve electric connection. The carbon fiber heating plate has the advantage of incapability of becoming loose due to good contact between the carbon fiber hot lines and the copper strip.

The invention discloses a combined prefabricated floor slab for low-rise prefabricated steel structure dwellings, and belongs to the field of construction technology. The combined prefabricated floorslab for the low-rise prefabricated steel structure dwellings can quickly connect prefabricated slabs through connecting parts, and technicians initiates a rotating magnetic field in a wireless signalmode to drive the installation action of magnetic bolts to achieve seamless assembling between the prefabricated slabs, with pre-embedded prestressed steel bars in the prefabricated slabs, under thetwo-way memory effect of shape memory alloy, and the high-strength expansion connection is realized, so that the transmission and sharing of prestress are completed, the assembling strength between the prefabricated slabs is improved, the wireless signal is used for completing the disassembling during recycling, non-destructive recycling of the prefabricated slabs is basically achieved, direct secondary utilization can be achieved, and assembling efficiency is significantly improved while the construction cost is reduced, and the combined prefabricated floor slab for the low-rise prefabricatedsteel structure dwellings is in line with the green environmental protection concept of sustainable development in nowadays society.

The invention discloses a composite kraft paper manufacturing process. Composite kraft paper consists of a face layer and a bottom layer. The composite kraft paper manufacturing process includes the steps: (1) selecting softwood pulp and hardwood pulp for preparing face layer pulp, and selecting bamboo pulp and waste paper pulp subjected to half bleaching treatment for preparing bottom layer pulp; (2) preparing the face layer pulp; (3) preparing the bottom layer pulp; (4) enabling mixed face layer pulp to sequentially pass through a fiber dispersion machine and a pulping machine to make the face layer pulp; (5) sequentially subjecting mixed bottom layer pulp to a high-concentration residue removal procedure, a rough screening procedure, a low-concentration residue removal procedure and a pulping procedure to make the bottom layer pulp; (6) feeding the bottom layer pulp onto a paper machine, and then feeding the bottom layer pulp; (7) sequentially performing a dewatering procedure, a drying procedure, a squeezing procedure, a calendaring procedure and reeling. The composite kraft paper manufacturing process has the advantages that the face layer and the bottom layer of the composite kraft paper is made of two different type of raw materials respectively, and pulping and coating for the face layer and the bottom layer are carried out separately, so that mutual influence is avoided; fibers are used in a classified manner, and accordingly utilization rate of the raw materials is increased, and cost is reduced.

The invention relates to the technical field of concrete, solves the problem that concrete is carbonized, and in particular relates to an aqueous concrete anti-carbonization coating. The aqueous concrete anti-carbonization coating is composed of three parts: a primer, middle paint and surface paint. The primer contains the following raw materials in percentage by weight: deionized water, a flatting agent, a defoamer, a film forming agent, a special penetrant and a thickener; the middle paint contains two components: the component A contains the following raw materials: deionized water, an emulsion, an anti-carbonization assistant and a mildew preventive; the component B contains the following raw materials: special cement, quartz sand and an enhancer, wherein the components A and B are uniformly mixed in a proportion of 1: 4; the surface paint contains the following raw materials: an acrylic emulsion, deionized water, a mildew preventive, corrosion-resistant pigments and filler, a filmforming agent, a special assistant, a defoamer, a thickener and a flatting agent. The aqueous concrete anti-carbonization coating provided by the invention prevents carbonization reaction of concreteeffectively, improves the impervious performance of concrete, reduces the permeability in corrosive ions in water such as chlorine ions and improves the freeze-thaw stability of concrete while preventing carbonization reaction of concrete.

A sterilization and damp-proof wardrobe comprises a wardrobe body and a wardrobe door, wherein a utility chamber, a clothes chamber and a footgear chamber are arranged in an inner cavity of the wardrobe body from top to bottom in sequence, an air outlet window is formed in the upper left corner of the utility chamber, a plurality of first blades are arranged on the outer edge of the air outlet window from top to bottom in sequence, every two adjacent first blades are attached to each other, the upper portion of each first blade is hinged to the wardrobe body, and an exhaust fan is installed on the inner edge of the air outlet window; a plurality of through holes are formed in a partition board between the utility chamber and the clothes chamber, an air inlet window is formed in the lower right corner of the clothes chamber, a plurality of second blades are arranged on the outer edge of the air inlet window from top to bottom in sequence, every two adjacent second blades are attached to each other, the upper portion of each second blade is hinged to the wardrobe body, a filter cover is installed on the portion, outside the air inlet window, of the wardrobe body, an ultraviolet sterilization lamp and an ozone generator are installed on the top of the footgear chamber, and a circular first sealing gasket is arranged on the edge of an opening of the footgear chamber. By the adoption of the sterilization and damp-proof wardrobe, ventilation of the utility chamber and the clothes chamber can be achieved, and sterilization and odor removal are achieved.

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 provides an inserting-type micro water retention accumulation regulating module which comprises a box. One side of the interior of the box is longitudinally provided with a control box which separates the side wall of the side of the box, and the control box is provided with a spray irrigation device; in a cavity formed by the outer side wall of the control box and the three side walls, not separated by the control box, of the box, a protection layer, a retention relieving layer, a drainage layer, a filter layer, a matrix layer, a fixing layer and a plant stem and leaf layer are sequentially stacked from bottom to top; the three side walls, not separated by the control box, of the box are each provided with a water outlet hole, and a monitor device is arranged in the control box in the retention relieving layer. The inserting-type micro water retention accumulation regulating module can perform water absorption, water seepage, water accumulation and water purification when it rains, release and utilize accumulated water in case of need, regulate the rainfall runoff volume and peak value and the like, solve the urban drainage and flood control problems, purify the water, capture heat, isolate noise, beautify the environment and the like. The module can be produced in a batched mode and is easy to operate, common and easy to use and high in regulating performance and adaptability.

The invention discloses a sliding sash window with invisible protective net, including a window frame body. The frame body is formed by a pair of transverse frame arranged in upper and lower directions and a roller shutter device arranged in right and left directions. The inner of window frame body is movably provided with a casement. A vertical frame at one end of the casement is connected with the protective net arranged on the roller shutter device. The inner of the transverse frame is provided with a guide groove used for guide casement moves along the length direction. The inner bottom wall of the guide groove is provided with a card slot which is extended along the guiding direction of the guide groove and connected with the guide groove. The sectional dimension of the opening end of the card slot is smaller than the cross section size of the bottom. The top and bottom of the protective net is provided with a plurality of short column shaped card columns arranged evenly. The connection of the top and bottom of the protective net and the card column extends to the inner of the card slot and the card columns are movably arranged in card slot. The protective net not only can prevent mosquitoes from invading, but also can bear a certain pushing force to prevent children from crossing the window because the upper and lower ends of the protective net are embedded in the transverse frame.

The invention discloses a portable boiled water filter. The portable boiled water filter comprises an upper shell and a lower shell which are vertically connected, wherein the lower end of the upper shell is connected with the lower shell, a filter sheet is installed between the upper shell and the lower shell, the upper end of the upper shell is connected with an upper cover, and the lower end of the lower shell is connected with a lower cover. The portable boiled water filter disclosed by the invention is capable of filtering incrustations and harmful impurities such as dead microbes in plain boiled water, simple and practicable in the operation of loading a filter film, and convenient to clean and carry.

The invention discloses a cool storage air conditioning device based on the combination of evaporative cooling and a water curtain outer wall. The device comprises an evaporative cooling air conditioner unit, a room tail end device, a reverse flow heat exchanger, a cool storage water groove and a water curtain outer wall module which are connected through a pipe network. According to the cool storage air conditioning device based on the combination of evaporative cooling and the water curtain outer wall, water in the water curtain outer wall in the daytime can flow in a circulating mode and take away solar radiant heat on the surface of a building, cooling load formed due to external envelope structure heat transmission is lowered, at night, a system can fully use advantages at night for carrying out cool storage, obtained low-temperature water is stored in an underground cool storage water groove and is used in the daytime, obtained cold air is used for cooling a room in a ventilation mode and cool storage, the time of cooling the room on the next day can be prolonged, and the device has the advantages that energy is saved, environment is protected, and economy is achieved.

The invention relates to a hinge with separable shells. The hinge comprises a first hinge support, a first hinge support decoration frame, the first hinge shell, a second hinge support, a second hinge support decoration frame, the second hinge shell, a connecting part and rotating shafts. The first hinge support is sleeved with the first hinge support decoration frame, and the edge of the first hinge support decoration frame covers the ends, penetrating through the first hinge support, of the rotating shafts; the second hinge support is sleeved with the second hinge support decoration frame, and the edge of the second hinge support decoration frame covers the ends, penetrating through the second hinge support, of the rotating shafts. The inner side face of the first hinge support is connected with the first hinge shell, the inner side face of the second hinge support is connected with the second hinge shell, and the hinge is used for fixing glass of a shower room. The edge of each decoration frame is integrated, the decoration frames are more attractive, and the decoration frames can play the roles of the decoration frames and also can prevent the rotating shafts from moving outwards and falling off.

The invention relates to an IGBT module structure reliability testing device having a video monitoring function. The IGBT module structure reliability testing device comprises a power supply module, a telescopic module, an intelligent control module, a sliding module, a rotating module, and an acquisition module. The power supply module is connected with other modules to provide electric energy. The intelligent control module is connected with the telescopic module, the sliding module, the rotating module, and the acquisition module to realize a test control function. The IGBT module structure reliability testing device is advantageous in that the design is reasonable; the constant changing of the internal chip, the solder layer, and the copper layer of the IGBT module during a testing process is acquired by adopting a visual sensor; the corresponding changing of the corresponding parts is determined, and the gradual changing of the internal structure of the IGBT is discovered, and after the IGBT loses efficacy, the part causing the failure of the IGBT is determined.

The invention discloses a multi-functional stair railing which relates to the field of stair railings and comprises uprights, an armrest railing, an upper railing, a lower railing, a multi-functional assembly and a cushion plate, wherein the uprights are perpendicular to stair steps and are disposed at equal intervals; the armrest railing is disposed on the upper ends of the uprights; the upper railing and the lower railing are disposed on the lower end of the armrest railing; guard bars arranged at equal intervals are disposed between the upper railing and the lower railing; and the multi-functional assembly comprises a touch switch, an electric heating wire, a temperature sensor and LED lamps, the touch switch and the temperature sensor are disposed on the lower side surface of the armrest railing, the electric heating wire is disposed in the armrest railing, the LED lamps are disposed on two ends of the armrest railing, and the upper end of the cushion plate is fixed on the lower railing by a hook. The multi-functional stair railing has better structural properties, higher stability and better connectivity and has the functions of illumination and pre-heating; the cushion plate is provided for carrying; and the design is highly humanized and worthy of promotion.

The invention discloses a connecting mechanism for a corner of a fabricated building and a construction technology of the connecting mechanism, and belongs to the technical field of building construction. The connecting mechanism comprises wallboards on two sides and a support unit arranged at the corner formed by the two wallboards, wherein the outer side of the support unit is fixedly connectedwith a right-angle corner post, first embedded iron plates and second embedded iron plates are arranged in the wall boards and the corner post respectively, an outer connecting end and an inner connecting end of each first embedded iron plate are reserved on two end surfaces of end parts of the corresponding wall board, exposed ends of each second embedded iron plate are reserved on inner side surfaces of two ends of the corner post, the inner side surfaces of two ends of the corner post are attached to the outer side surfaces of end parts of the wall boards, the exposed ends of the second embedded iron plates are connected and fixed with the outer connecting ends of the first embedded iron plate, the support unit is a steel column located in a gap formed by the wall boards on two sides and the corner post, and the inner connecting ends of the first embedded iron plates are welded and fixed with the steel column through connecting pieces. The connecting mechanism is simple and convenient to construct, high in efficiency, attractive and firm.

The invention provides an artificial-meadow ecological floating bed, comprising a floating bed, a purification system, an oxygen supply system and a control system, wherein the purification system comprises emergent aquatic plants, float grass, health cotton, effective microorganisms and a biological enzyme; the emergent aquatic plants are planted on the floating bed; the float grass and the health cotton are connected under the floating bed; the effective microorganisms and the biological enzyme are attached to the root system of the emergent aquatic plants, the float grass and the health cotton; the oxygen supply system comprises a pressure fan, an air supply pipe network and aerating and oxygen dissolving equipment; the pressure fan is connected with the aerating and oxygen dissolving equipment through the air supply pipe network and the aerating and oxygen dissolving equipment is arranged under the float grass; the control system comprises a PLC (Programmable Logic Controller) and an automatic control valve; the PLC is electrically connected with the pressure fan, the aerating and oxygen dissolving equipment and the automatic control valve, respectively; and the automatic control valve is arranged at the outlet of the aerating and oxygen dissolving equipment. According to the invention, the purification system which is efficient, energy-saving, green and environment-friendly and high in purification efficacy can be integrally built in water; and therefore, the problem of water eutrophication can be solved.

The invention discloses a grouped pile structure for preventing and treating landslide and a construction method thereof. The grouped pile structure comprises main anti-slide piles and secondary anti-slide piles arranged among the main anti-slide piles; main top beams are poured and connected between every two anti-slide piles; secondary top beams are poured and connected between each secondary anti-slide pile and each of the two neighboring main anti-slide piles; the diameters at the middle parts of the main anti-slide piles are larger than the diameters of the upper parts and the lower parts of the main anti-slide piles; and stirrups at the middle parts of the main anti-slide piles and the secondary anti-slide piles are thickened. The construction method comprises the following steps of: determining the positions of the main anti-slide piles and the secondary anti-slide piles; excavating holes for the main anti-slide piles and the secondary anti-slide piles; respectively presetting steel reinforcement cages of the main anti-slide piles and the secondary anti-slide piles and respectively placing the steel reinforcement cages into corresponding holes, pouring concrete, and carrying out upper hole shrinkage treatment when the concrete is poured on the upper parts of the main anti-slide piles; and finally pouring the main top beams and the second top beams. According to the grouped pile structure and the method, under the premise that distances among piles are not decreased, the extrusion and the damage of earth among the piles can be prevented effectively, and meanwhile, the whole force resistant performance and the anti-slide capability of the anti-slide piles are intensified, and thus the engineering cost is saved.

The invention discloses a hard disk array fixing device with good cooling performance and a using method thereof, and belongs to the technical field of server cooling. The hard disk array fixing device with good cooling performance consists of a node base, a hard disk module and a wind shielding cover plate, wherein the hard disk module comprises a hard disk bracket and a hard disk frame; the hard disk bracket is arranged at two ends of the hard disk frame; a plurality of hard disk slot positions are formed in one side of the hard disk frame; the wind shielding cover plate is arranged at one side, close to the hard disk slot positions, of the rear end of the hard disk frame; the wind shielding cover plate is hinged with the hard disk frame; and the hard disk frame is arranged along the length direction of the node base and can be pulled out of and inserted into the node base. The hard disk array fixing device with good cooling performance is simple and reasonable in structural design and beneficial for hard disk cooling, so as ensure the working stability of servers and have good popularization and application values.

The invention relates to an intensive bus duct which comprises a left connecting body side cover plate 1, a right connecting body side cover plate 2, reinforcing rib seal plates 13, a bus bar 12 and an insulation layer 11; the bus bar 12 is coated with the insulation layer 11 and then is arranged between the left connecting body side cover plate 1 and the right connecting body side cover plate 2; the left connecting body side cover plate 1 and the right connecting body side cover plate 2 are formed into the whole intensive bus duct by riveting through special Tox riveting equipment; and the reinforcing rib seal plates 13 are fixedly arranged on the upper neck and the lower neck of the whole intensive bus duct formed by the left connecting body side cover plate 1 and the right connecting body side cover plate 2. According to the intensive bus duct, the product structure is simple, the number of parts is minimized, the production process is simplified, assembly procedures are simple, the transportation and the installation are convenient, the operation effect is reliable, and the heat dissipation performance is excellent.

The invention discloses a voltage-withstanding motor end cover and a manufacturing method thereof. Which comprises a body, wherein the body comprises a bearing chamber and a mounting base, a mountinghole is formed in the center of the mounting base, the bearing chamber is located above the mounting hole, the bearing chamber comprises a cylindrical cavity and a bearing hole, the bearing hole is formed in the top of the cavity, the bearing hole and the mounting hole are concentrically formed, and reinforcing assemblies are further circumferentially distributed on the outer side wall of the bearing chamber and fixedly connected with the mounting base; the method comprises the following steps: a, early-stage preparation; b, assembling a bearing chamber and a clamping part; c, connection between the bearing chamber and the mounting base; d, overturning the mounting base; and e, the clamping part is installed. Through the arrangement of the reinforcing assembly, the structural strength of connection between the bearing chamber and the mounting base is improved, so that the pressure resistance of the motor is improved, the motor is prevented from being damaged, and the service life of the motor is prolonged.

The invention relates to the field of automobile safety accessories, in particular to a safety belt device. The safety belt device is provided with a cylindrical clamping base, a flexible adjuster is arranged on the clamping base, and various lifesaving objects are arranged inside the clamping base. The safety belt device comprises a buckle, a safety belt, the clamping base and a buckle base. The clamping base is in a cylindrical shape. The upper end of the clamping base is provided with a clamping groove matched with the buckle and the flexible adjuster capable of being automatically reset. The flexible adjuster is pressed and bent through the safety belt. The side, away from a seat, of the clamping base is provided with a containing box used for containing the lifesaving objects, a sickle-shaped lifesaving hammer is arranged in the containing box and comprises a handle, a cutting edge and a sharp hammer portion, the cutting edge is arranged on the inner side of the arc concave portion at the top end of the lifesaving hammer, and the sharp hammer portion is arranged on the outer side of the upper end of the handle. The reining feeling of the safety belt can be eliminated, and various lifesaving objects such as first-aid medicine bottles and bandages are arranged in the clamping base to be used for personnel self rescue when accidents happen.

The invention discloses an electric and telescopic vehicle pedal. The electric and telescopic vehicle pedal is provided with two fixed supports, two stepping panel brackets and a stepping panel, the fixed supports are connected with a driving swing arm and a driven swing arm respectively, the electric and telescopic vehicle pedal has a first length L1, a second length L2, a third length L3 and a fourth length L4, and the ratio of the first length L1 to the second length L2 to the third length L3 to the fourth length L4 is 1: (1.63-2.03): (0.77-1.17): (1.81-2.21); in the process that the electric and telescopic vehicle pedal completely draws back of the stepping panel till completely stretching out of the stepping panel, the angle change range constituted by the straight line of the first length L1 and a center shaft in the steeping panel bracket is 9-19 degrees. The electric and telescopic vehicle pedal has a small profile size of all constituting parts and is low in weight, large in stroke, simple in structure, low in cost, safe and reliable.

The invention discloses a spherical display screen, which comprises an upper hemisphere and a lower hemisphere, the upper hemisphere is divided into a layers of curved surface modules according to latitude, the lower hemisphere is divided into b layers of curved surface modules according to latitude, a is greater than 3 and b is greater than 3, the arc lengths of the curved surface modules of theupper hemisphere are sequentially decreased from the first layer to the a layer, and the arc lengths of the curved surface modules of the lower hemisphere are sequentially decreased from the first layer to the b layer. Each layer of curved surface module is divided into c units according to longitude, c is larger than 3, each unit comprises at least two box bodies, each box body is formed by splicing a plurality of triangular modules and is in a curved surface isosceles triangle shape, each triangular module comprises a bottom plate, a PCB and a mask, and the bottom plate and the mask are of acurved surface structure. The spherical display screen is divided into a plurality of curved isosceles triangles according to the longitude and latitude directions, the logic is simple, the installation is convenient, the spherical radian is closer to the theoretical radian, and the sphere is rounder.

The invention provides a ceramic pot. The ceramic pot comprises an inner container made of a ceramic material. The surface of the inner container is covered with at least one first non-oil-stick layer. The first non-oil-stick layer on the outset surface is covered with at least one second non-oil-stick layer. The second non-oil-stick layers are transparent. A silk-screen pattern is arranged on the surface of the first non-oil-stick layer adjacent to the corresponding second non-oil-stick layer. The ceramic pot is easy to clean, and the pattern printed on the ceramic pot is firm.

The invention relates to a waterproof LED wall washer with a danger power-off structure. The wall washer comprises a pedestal and a first sliding block, a dovetail groove is formed in the pedestal, a sliding way is arranged on the left side of the dovetail groove, the first sliding block is installed on the left side of the sliding way, a rotary knob is arranged on the left side of a first conical surface, a second sliding block is arranged on the left side of the rotary knob, and a second conical surface is arranged on the left side of the second sliding block. The LED wall washer has the beneficial effects that the LED wall washer is provided with a sliding rod, a spring, a sliding cavity, a first pin shaft, a connecting rod, a second pin shaft, a clamping jaw, a clamping block and a limiting groove, so that quick power failure in danger can be conducted, the LED wall washer is provided with a cover plate, oblique teeth and a limiting strip, the LED wall washer is waterproof, meanwhile, the LED wall washer is provided with a lamp body, a hinge shaft, a second conical surface, a second sliding block and a rotary knob, thus the LED wall washer can be adjusted, the LED wall washer is provided with a first sliding block, a first conical surface, a rotary knob and a dovetail groove, the LED wall washer is safer, and a through hole, a sleeve, saw teeth, a bolt, a gasket and clamping teeth are further arranged, so that the installation is stable.

The invention discloses an inorganic rough-stone water-permeable brick. The brick comprises a surface layer and a base layer, wherein the surface layer is formed by pressing a small-grained concrete and is 1-2 cm thick, tiny water pouring holes are distributed in the surface layer, the base layer is formed by pressing large-grained concrete and 4-6 cm thick, water pouring holes which are through vertically and laterally are distributed in the base layer, and the surface layer and the base layer are closely combined to form a whole. Multiple T-shaped bulges are arranged on the periphery of a brick body of the water-permeable brick and interlocked with one another during paving. During usage, a foundation is compacted, stone blocks of 1-2 cm and a water storage layer of 20 cm thick are laid, a geotechnical cloth layer is laid on the water storage layer, a leveling layer is laid on the geotechnical cloth layer, and finally, the water-permeable brick formed through close combination of the surface layer with the base layer is laid. The water-permeable brick has high water permeability and is antiskid and attractive in appearance; rain can quickly permeate the brick body to flow underground when it rains, the underground water source is timely supplemented, the underground water level is raised, and the problem of road water accumulation is solved.

The invention discloses a rotation disc type marking welding machine. The rotation disc type marking welding machine comprises a machine base assembly and further comprises a rotating rotation disc assembly, a product A feeding assembly, a first laser marking machine, a product B feeding assembly, a laser welding machine, a discharging assembly, an industrial control assembly and a second laser marking machine which are arranged on the machine base assembly. The rotating rotation disc assembly is provided with a special product jig. The product A feeding assembly can feed products A to a special product jig, the first laser marking machine is used for marking, then, the product B feeding assembly feeds products B to a special product jig, the laser welding machine welds the products A andthe products B, and the second laser marking machine is used for marking the welded products again. The rotation disc type marking welding machine has the effects that the functions of assembling, marking and welding of the products A and the products B are achieved, the automation degree is high, material collecting and releasing can be conducted only according to the material situation, one person guards multiple machines, cost is saved, and efficiency is improved.