42 results about "Solid wall" patented technology

The invention provides a wall-fixing leakproof water-based drilling fluid for a myriameter deep well as well as a preparation method and application thereof, and belongs to the technical field of drilling fluids. The water-based drilling fluid is prepared from the following raw materials in parts by mass: 100 parts of water, 1-2 parts of sodium bentonite, 0.5-1 part of a salt response rheological modifier, 5-6 parts of a supramolecular polymer filtrate reducer, 6-8 parts of a cementing plugging agent and 2-4 parts of a cementing wall-fixing agent. The water-based drilling fluid can resist the temperature of 220 DEG C, can resist the salt to be saturated, has good rheology and filtration performance and multiple functions of inhibition, plugging, wall fixation and the like under high-temperature and high-salt conditions, and provides technical guarantee for smooth drilling of myriameter extra-deep wells.

The application discloses a drilling cementing wall stabilizing agent and a preparation method and application process thereof, and belongs to the technical field of oil field chemistry, and particularly relates to a preparation of the drilling cementing wall stabilizing agent. The preparation method of the drilling cementing wall stabilizing agent can be that thermoplastic resin, a curing agent and inorganic powder are uniformly mixed and stirred at normal temperature and normal pressure according to proportions. The wall stabilizing agent material has the advantages of simple production process, safety, low material cost and convenience for large-scale production and application. The product can not only plug pores and reduce filtration loss, but also cement sand and mudstone strata and improve stratum pressure-bearing capacity, so that the purpose of stabilizing a well wall is achieved. The application further provides an application process of the drilling cementing wall stabilizing agent, which comprises a suitable drilling fluid system and an adding amount and construction process under different stratum porosities and different working conditions.

The application discloses a kind of material aerodynamic acoustic performance online testing method and system, it is related to wind tunnel aerodynamic acoustic performance test field, the application is set in wind tunnel sound-transparent solid wall test section, to be measured acoustic material is installed in its middle part;First, second acoustic sensor is sequentially arranged on the wall surface upstream of material, third, fourth acoustic sensor is sequentially arranged on the wall surface downstream;Respectively collect the sound pressure data of four acoustic sensors under the running state and static state of wind tunnel;Transfer matrix equation set is constructed, and the sound pressure data of running state and static state are substituted into equation set and simultaneously solved, to obtain sound pressure transfer function;According to sound pressure transfer function, the noise reduction of material under current airflow environment is calculated.The application realizes online testing by the synergistic effect of sound-transparent solid wall, four sensor arrangement, double-state acquisition and simultaneous solution of transfer matrix, effectively eliminates wall reflection and wind tunnel background noise interference while testing, and the test result is accurate and reliable.

The utility model relates to the technical field of external envelope fireproof structures, in particular to a building curtain wall interlayer fireproof plugging construction node, which solves the technical problem that a fireproof plugging structure is lacked between a solid wall steel beam bearing structure and a curtain wall, and comprises an angle steel bracket fixed between the side surface of a concrete layer and the curtain wall, a fireproof gypsum board is fixed to the outer side wall of the angle steel support, the fireproof gypsum board is wrapped with an upper galvanized iron sheet, an opening of the upper galvanized iron sheet is sealed through fireproof sealant, and the fireproof gypsum board is filled with mineral wool; the steel beam is coated with a fireproof coating layer; the channel steel is welded to the lower surface of the steel beam, the lower galvanized iron sheet is fixed to the channel steel and a lower transverse frame of the curtain wall, an opening of the lower galvanized iron sheet is sealed through fireproof sealant, and mineral wool is arranged above the lower galvanized iron sheet. According to the utility model, fire and smoke are effectively prevented from moving upwards from gaps, the life and property safety of adjacent layers on fire is ensured, and the building safety in a fire disaster is ensured.

This invention discloses a construction method for rotary drilling piles used in water conservancy and hydropower engineering. The method involves setting up a first row and a second row of rotary drilling piles at a predetermined elevation on the river-facing side of the foundation pit. These piles interlock and their tops are flush. A capping beam is also included at the top of the first and second rows of rotary drilling piles, connecting and fixing them into a vertical, closed wall. A diaphragm wall is also installed inside the foundation pit, with one end connected to the solid wall and the other end connected to the bedrock. The interlocking of the two rows of rotary drilling piles, along with the construction of the capping beam and diaphragm wall at the top of the piles, forms a continuous, closed foundation pit protection structure. The entire construction process facilitates the excavation and layout of the outlet retaining wall foundation after the flood season, saves construction time, reduces construction costs, and provides functions such as cofferdam seepage prevention, scour prevention, soil retention, foundation pit protection, and foundation bearing capacity.

The present application relates to the technical field of composite pipe manufacturing, and particularly relates to a winding method of a large-diameter solid-wall pipe, which comprises the following steps: step one, starting anchoring section winding: continuously circularly winding 3-6 layers on the surface of a core mold at a winding angle of 85-90 degrees, a first tension and a first linear velocity, to form a starting reinforcing ring; the first tension is 110%-120% of a rated tension, and the first linear velocity is not more than 50% of a maximum design linear velocity; step two, transition stable section winding: spirally winding above the starting anchoring section at a winding angle of + / - 55 degrees, a second tension and a second linear velocity. The starting anchoring section with high angle, high tension and low linear velocity is arranged in step one, to form a rigid starting reinforcing ring, so that the problems of fiber slippage, wrinkle and poor combination with the inner liner of the initial layer are fundamentally solved, and the internal stress concentration defects caused thereby are eliminated.

The present invention belongs to the technical field of heat transfer and cooling of hot-end components of gas turbines, and particularly relates to a construction method and cooling structure for a double-wavy groove film hole cooling structure. The structure comprises: a solid wall, the top surface of the solid wall being provided with a thermal barrier coating, the thermal barrier coating being provided with a double-wavy groove, the double-wavy groove being composed of a plurality of interconnected groove units, each of which being composed of a groove upstream wall surface, a groove bottom surface, and a double-wavy groove downstream wall surface, the groove bottom surface being parallel to the top surface of the solid wall, and the groove depth of the groove unit being no greater than the thickness of the thermal barrier coating; a plurality of film holes being provided at equal intervals on the solid wall, the outlets of the film holes being provided on the groove bottom surfaces of the corresponding groove units.

The application discloses a mounting plate of a concealed box, which is provided with a first mounting groove, a first mounting surface and a second mounting surface which are perpendicular to the front-rear direction; the concealed box is mounted on the mounting plate and is adapted to be placed in the first mounting groove; the first mounting surface, the bottom surface of the first mounting groove and the second mounting surface are sequentially arranged from front to back; the first mounting surface and the second mounting surface face the rear; the bottom surface of the first mounting groove faces the front; the first mounting surface is adapted to be attached to the outer surface of the solid wall, and the second mounting surface is adapted to be attached to the outer surface of the display board. The mounting plate can solve the assembly problem in the mounting of the solid wall and the display board and the problem that the display board needs to be provided with different grooves for different concealed boxes, thereby reducing the cost of groove opening.

The application belongs to the technical field of concrete cutoff wall construction test, and particularly relates to a kind of indoor test simulation device for concrete cutoff wall construction and its using method, the device includes concrete storage system and simulation construction system, concrete storage system and simulation construction system are communicated through concrete conveying pipe, and concrete storage system and simulation construction system are arranged at two ends of adjusting device.Adjusting device includes first lifting end and second lifting end, and concrete storage system is connected to movable end of first lifting end, and simulation construction system is connected to movable end of second lifting end.Constant pressure output assembly is arranged in concrete storage system, and constant pressure output assembly is used for output of concrete.Grating mechanism for inputting solid wall slurry is communicated at the top of simulation construction system, and discharging port is movably arranged in simulation construction system.During concrete injection process, the height difference between discharging port and bottom of concrete storage system is maintained constant.The device can directly observe the change of concrete and solid wall slurry interface area during concrete cutoff wall pouring process.

Dowel for the installation of pressure-sensitive thermal insulation materials on solid wall surfaces with an extra large washer to avoid unwanted compression of the soft thermal insulation material and thus to simultaneously strengthen and effect the steel screw pin arranged in the dowel, which has an Allen profile inserted into its head surface, with a threaded sleeve open at the top mounted on its edge zone, which provides a receptacle for elements that can be screwed on there for the fixing of facade cladding, above the thermal insulation of any type.

The invention discloses a connecting structure of a prefabricated solid wall and a prefabricated double-sided laminated wall, which comprises a pouring template and an isolation plate, the laminated wall structure comprises a laminated wall back plate and a laminated wall panel, a traction steel bar is embedded between the laminated wall panel and the laminated wall back plate, a plurality of first movable notches are formed in the isolation plate, and a plurality of second movable notches are formed in the isolation plate. A plurality of locking assemblies are arranged between the two pouring formworks, each locking assembly comprises a traction strip, limiting notches are formed in the two ends of each traction strip, and pin strips are connected to the interiors of the two limiting notches in an inserted mode. When the side edge of the isolation plate abuts against the surface of the laminated wall back plate and the side face of the isolation plate abuts against the side edge of the laminated wall panel, the laminated wall structure and the two pouring formworks are separated, so that the amount of concrete entering the space between the laminated wall panel and the laminated wall back plate is reduced when a concrete wall is poured into the two pouring formworks, and the construction efficiency is improved. And the influence on the effect of filling materials such as sound insulation and heat preservation between the laminated wall panel and the laminated wall back panel is avoided.

The application discloses a kind of pressurized smearing and excess discharge mechanism of while drilling well wall reinforcing device, including reaction cabin mechanism, for mixing mud and reaction liquid and being evenly smeared on well wall by hanging brush with mixed liquid;Air bag chamber mechanism is used to deliver gas to reaction cabin mechanism, to promote mud and reaction liquid to mix fully or push mixed liquid;Mud isolation mechanism is in close contact with well wall by rubber contact ring;Pushing mechanism is used to push mud isolation mechanism and reaction cabin mechanism out, and press mud isolation mechanism tightly on well wall surface;The application realizes the overall coverage of well wall by multiple reaction cabin mechanisms operating independently;Mud isolation mechanism is tightly combined with well wall by pushing mechanism, solving the problem of mixed liquid and mud separation during solid wall operation;The problem of mixed liquid excess is solved by air bag chamber and check valve.

This utility model discloses a radially reinforced polyethylene solid-wall pipe, including a pipe body composed of an inner layer and an outer layer. The pipe body is characterized by having several discontinuous nylon rings between the inner and outer layers, and welding zones at both ends for easy connection. By setting these welding zones, the nylon ring injection time is controlled during pipe processing according to a predetermined pipe length. The injection of the nylon rings is delayed at the beginning of the pipe body and stopped early at the end, eliminating the need for nylon rings at both ends. This facilitates hot-melt welding of the pipe ends during connection, improving connection reliability. Furthermore, the wall thickness ratio is optimized for a more rational pipe structure, better utilizing the performance advantages of each layer, ensuring pipe stability and adhesion durability, and effectively improving the overall performance of the pipe.

This utility model belongs to the field of grain storage building technology, specifically relating to a cave-like warehouse structure with separated load-bearing and waterproofing functions. The cave-like warehouse structure with separated load-bearing and waterproofing functions includes a beam-column integrated steel arch, anchored steel pipes, horizontal steel beams, continuous embedded parts at the column bases, a waterproof slab, a grain-retaining solid wall, and a water collection and drainage ditch. The beam-column integrated steel arch, anchored steel pipes, continuous embedded parts at the column bases, and horizontal steel beams constitute the load-bearing structure. A waterproof slab is hung on the outside of the horizontal steel beams, with a cavity located between the finished support surface and the waterproof slab. The cavity is connected to the water collection and drainage ditch. The finished support surface connects to the water collection and drainage ditch at the ground level. A grain-retaining solid wall is set inside the waterproof slab, without contacting the waterproof slab. The grain-retaining solid wall is connected to the beam-column integrated steel arch via tie rods. This utility model not only makes the load-bearing system more stable and optimizes the stress distribution, but also separates the load-bearing and waterproofing functions, clearly defining their roles and thus improving grain storage safety.

The application discloses a high-rise building outer side solid wall, which comprises a masonry wall and a curtain wall body fixed on a structural floor, a pre-embedded part is pre-embedded on the structural floor, a supporting frame is fixedly connected on the pre-embedded part, the masonry wall is fixed on one side of the structural floor, the supporting frame penetrates through the masonry wall, a mounting frame is connected on the supporting frame, a plurality of bolt rods are arranged on the curtain wall body and are mounted on the mounting frame, a ventilation and heat dissipation mechanism is arranged between the curtain wall body and the masonry wall, and the ventilation and heat dissipation mechanism comprises a damper structure mounted on the upper side of the curtain wall body and a blowing structure mounted on the lower side of the curtain wall body. The application can be constructed indoors without high-altitude operation risk, ventilation is conducted between the curtain wall body and the masonry wall, heat between the curtain wall body and the masonry wall is taken away, the thermal radiation effect on the outer wall of the building is reduced, and the surface temperature of the outer wall of the building is reduced.

The construction technology comprises the following steps that a bearing platform pit is excavated, and the bearing platform pit with the needed size is formed in a foundation pit through an excavator; and cushion layer pouring is conducted, specifically, a cushion layer mold is built in the center of the bearing platform pit, and concrete is poured into the cushion layer mold. And boundary line measurement: drawing a required bearing platform boundary line on the cushion layer according to the size of the required bearing platform. And the forming mold is fixed to the surface of the cushion layer. And an outer ring cavity is formed between the forming mold and the surrounding soil layer. According to the invention, a solidified soil pouring mode is adopted to replace bricks and prefabricated slabs to form a brick forming die of the bearing platform, so that the outer ring of the solidified soil forming die is tightly attached to a surrounding soil layer. In addition, compared with a solid wall and solidified soil pouring mode, soil generated by excavation of a construction site can be effectively utilized, the cost needed by soil treatment is saved, the requirement needed by processing is met, the investment cost is greatly reduced while loss during processing is shortened, and the energy-saving and environment-friendly effects are achieved.

The utility model discloses a cold-formed thin-walled steel outer wall heat preservation solid wall structure, and relates to the technical field of walls. The cold-formed thin-walled steel external wall thermal insulation solid wall structure comprises a wall body, the wall body comprises a stabilizing layer, a thermal insulation assembly is arranged on the surface of the outer wall of the stabilizing layer, a first external wall hanging plate is arranged on the surface of the outer wall of the thermal insulation assembly, and a second external wall hanging plate is arranged on the surface of the other side of the stabilizing layer. The stabilizing layer comprises two pieces of first cold-formed thin-walled section steel which are arranged in parallel up and down, the two ends of the opposite faces of the two pieces of first cold-formed thin-walled section steel are connected through second cold-formed thin-walled section steel, and solid heat insulation bricks are arranged between the two pieces of first cold-formed thin-walled section steel and between the two pieces of second cold-formed thin-walled section steel. The integral structural strength of the wall body main body can be guaranteed, so that the service life of the wall body main body can be prolonged, the heat insulation effect of the wall body main body can be improved, and the service life and range of the wall body main body can be prolonged.

The utility model relates to the field of pipe connecting structures, in particular to a solid wall pipe connecting pipe fitting. The tool comprises a sleeve, a boss part and a connecting part, the boss parts are integrally connected to the inner side of the sleeve, protrude inwards and are arranged side by side in the axial direction of the sleeve, and the inner side faces are in interference fit with the outer circumferential face of the solid wall pipe. And the sleeve is connected with the solid-wall pipe through the connecting part. The connecting pipe is in interference sealing connection with the two solid-wall pipes, the two solid-wall pipes are distributed at intervals, the influence of thermal expansion and cold contraction is eliminated, and the stability of the connecting position and the connecting sealing performance are guaranteed.

The present invention relates to the technical field of gas turbine hot end cooling, and discloses a flat cat-ear air film hole cooling structure and a construction method for gas turbines, comprising a solid wall with an outer wall surface and an inner wall surface, the outer wall surface being used to contact a high-temperature mainstream; the air film hole comprising an elliptical column section opened on the solid wall and an expansion section connected to and coaxial with the elliptical column section, the connection between the elliptical column section and the expansion section being an inlet profile line, a cold air inlet being formed on the inner wall surface at one end of the elliptical column section away from the expansion section, a cold air outlet being formed on the outer wall surface at one end of the expansion section away from the elliptical column section, and the profile line of the cold air outlet being an outlet profile line. The present invention can form an ideal anti-kidney vortex structure, promote the lateral expansion of cold air, increase the air film coverage area in the direction of the air film, enhance the air film wall attachment effect, thereby improving the air film cooling efficiency, and at the same time can form a relatively uniform slit-shaped outflow, reducing the aerodynamic loss of the mixing of cold air and the mainstream.

The application belongs to the technical field of tunnel construction and provides a tunnel cave plugging device, which comprises a conveying pipe, one end of the conveying pipe is connected with one end of an expansion sleeve through a connecting flange, one end of the expansion sleeve is slidably installed with a grouting pipe, one end of the grouting pipe is fixed with a grouting disc, and the device further comprises a control mechanism, the control mechanism comprises a rotating assembly, a reciprocating assembly and a connecting seat, one end of the rotating assembly is slidably connected with the outer wall of the grouting pipe, the other end of the rotating assembly is connected with the reciprocating assembly installed on the connecting seat, and one end of the reciprocating assembly is movably connected with the grouting pipe. The tunnel cave plugging device can cooperate with the conveying pipe, the expansion sleeve, the grouting pipe and the grouting disc, so that the inner wall of the grouting hole can be reciprocally impacted while grouting in the grouting hole, thereby realizing the solid wall treatment of the grouting hole and ensuring that the hardened mud can meet the required bearing capacity requirement.

The invention relates to a gypsum keel for spraying composite wall. The gypsum keel in the shape of a vertical column is wrapped by at least one layer of glass fiber mesh cloth and is arranged in a composite wall formed by spraying gypsum mortar on the inner and outer surfaces of the composite wall. The protrusions and recesses and the reserved holes on the body of the gypsum keel are of the same material as the body of the gypsum keel. The gypsum vertical columns in each group are connected in the form of mortise and tenon structure to form the vertical column support body of the composite wall. The glass fiber mesh cloth is installed in the net sandwich seam on one side or both sides of the vertical column support body and forms the reinforcing layer of the composite wall. The gypsum mortar is sprayed on the glass fiber mesh cloth and wraps and covers the gypsum vertical columns to form the gypsum mortar layer. The non-load-bearing solid wall, hollow wall or double wall and other structures are formed by the vertical column support body, the glass fiber mesh cloth and the gypsum mortar layer to form the overall seamless composite wall.

The invention discloses a winding structure wall reinforced solid wall pipe, a machining process and a machining production line thereof. The pipe comprises a solid wall inner wall pipe formed through extrusion, bell and spigot pipe fittings arranged at the two ends of the inner wall pipe and fixedly connected with the two ends of the inner wall pipe, and a composite rib pipe wound on the surface of the inner wall pipe and formed by annularly wrapping a corrugated pipe with a hot melt adhesive material. The inner wall pipe of the pipe is a seamless solid-wall pipe formed by extrusion, so that the stability and the structural strength of the pipe are greatly enhanced; the spiral welding seam quality risks, such as insufficient welding and sealing-off, possibly caused by the fact that a conventional winding technology is adopted for a traditional Krah pipe are avoided, and the quality problems that the pipe wall of the inner wall pipe is pressed thin, cracks, uneven in wall thickness and the like possibly caused by ribbed pipe under-pressure winding are solved. The structural strength and the welding quality between the composite rib pipe and the inner wall pipe are improved, the hot melting plastic layer can also serve as a protective layer of the pipe, and the compression resistance and impact resistance of the pipe are correspondingly improved.

The utility model relates to the technical field of pipe bodies of plastic pipelines, in particular to a plastic pipeline with a convex stripe and groove combined structure on the outer surface, which comprises a pipeline body, the pipeline body comprises a solid-wall sleeve, a plurality of serrated surfaces and a plurality of groove surfaces are arranged on the periphery of the outer surface of the solid-wall sleeve, and the outer surface of the solid-wall sleeve is provided with convex stripes. The sawtooth faces and the groove faces are of an interval design structure, and the sawtooth faces and the groove faces form the outer surface of the pipeline. The sawtooth surface consists of a plurality of groups of convex stripes, and the convex stripes on two sides of the groove surface are higher than the groove plane; a plurality of groups of convex stripe and groove combined structures are arranged on the outer surface of the sleeve body, so that each group of grooves and the convex stripes on the two sides of the grooves form a stable contact surface, a product cannot roll or displace when being fixed in a surface mounting manner, and the prismatic appearance and the convex stripes are higher in adhesive force with wall materials such as cement mortar and the like and are more tightly combined in the surface mounting construction.

This invention relates to the field of hot-end cooling technology for gas turbines, and discloses a B-type film cooling hole structure and construction method for gas turbines. The structure includes a solid wall with an outer wall surface and an inner wall surface, the outer wall surface being used to contact the high-temperature mainstream. Film cooling holes are obliquely arranged on the solid wall, each comprising a coaxial and connected cylindrical section and an expansion section. A connection port is formed at the junction of the cylindrical and expansion sections, and the profile of the connection port is a circular inlet profile. The end of the cylindrical section away from the expansion section penetrates the inner wall surface to form a cold air inlet, and the end of the expansion section away from the cylindrical section penetrates the outer wall surface to form a cold air outlet, the profile of the cold air outlet being an outlet profile. This invention can form an ideal reverse kidney vortex structure, promoting the lateral expansion of cold air, increasing the transverse coverage area of ​​the film cooling system, improving the film cooling adhesion effect, and thus improving the film cooling efficiency.

The invention discloses an ultra-deep concrete diaphragm wall solid wall liquid automatic detection and control method, which comprises the following steps: when a slurry storage pool supplies slurry to a diaphragm wall slot, monitoring whether the amount of the slurry in the slurry storage pool is lower than a preset lower limit value or not; when it is judged that the slurry amount in the slurry storage pool is lower than a preset lower limit value according to the monitoring result, a slurry making station is started to make slurry needing to be supplemented, the puffing pool is controlled to supplement the slurry to the slurry storage pool, the slurry transfer pool is controlled to supplement the slurry to the puffing pool, and the slurry making station is controlled to supplement the slurry to the slurry transfer pool; according to the performance parameters of the old slurry flowing out of the cut-off wall slotted hole, whether the old slurry can serve as wall fixing liquid of the cut-off wall slotted hole or not is judged; if it is judged that the old slurry flowing out of the diaphragm wall slotted hole can serve as the diaphragm wall slotted hole wall fixing liquid, the old slurry is preferentially supplied to the diaphragm wall slotted hole; if it is judged that the old slurry flowing out of the cut-off wall slotted hole cannot serve as the wall fixing liquid of the cut-off wall slotted hole, the old slurry is treated into a mud cake and construction water.

The invention belongs to the technical field of concrete diaphragm wall construction tests, and particularly relates to an indoor test simulation device for concrete diaphragm wall construction and a using method thereof.The device comprises a concrete storage system and a simulation construction system, and the concrete storage system and the simulation construction system are communicated through a concrete conveying pipe; the concrete storage system and the simulation construction system are arranged at the two ends of the adjusting device. The adjusting device comprises a first lifting end and a second lifting end, the concrete storage system is connected to the movable end of the first lifting end, and the simulation construction system is connected to the movable end of the second lifting end. A constant-pressure output assembly is arranged in the concrete storage system and used for outputting concrete. The top of the simulation construction system communicates with a grouting mechanism used for inputting wall fixing slurry, and a movably-arranged discharging port is formed in the simulation construction system. In the concrete injection process, the height difference between the discharging port and the bottom of the concrete storage system is kept constant. The device can be used for directly observing the change condition of the junction area of the concrete and the wall-fixing slurry in the pouring process of the concrete diaphragm wall.

The application discloses an outdoor elevator window-enclosed corridor and belongs to the technical field of corridors. The outdoor elevator window-enclosed corridor comprises a window-enclosed keel, wherein the window-enclosed keel is composed of a window-enclosed vertical keel, a window-enclosed horizontal keel, a window-enclosed horizontal header keel and a window-enclosed horizontal middle header keel. Glass mounting port one and glass mounting port two are arranged on the window-enclosed keel to respectively mount upper and lower glass and middle glass, form a large-area light-transmitting surface, directly replace a continuous solid wall of a traditional corridor, greatly improve the natural light transmittance, and avoid monotony through segmented arrangement of the upper and lower glass and the middle glass. A window mounting port is reserved in the middle of the window-enclosed keel, a sliding sash frame is embedded, and the opening angle and amplitude of the sliding sash are controlled through a sliding sash telescopic rod assembly. After the sliding sash is opened, a controllable ventilation path is formed, air convection in the corridor is promoted, high-temperature and high-humidity air in summer is prevented from being retained, a keel cover plate is fixed at the rear side of the window-enclosed keel, and the wind pressure resistance of the overall structure is improved.

1. Name of the design product: hanging piece (rotating double hole). 2. Use of the design product: used for anchor connection on solid wall, layer top, rock climbing hall or rock. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

A BUILDING BRICK ENABLING QUICK AND SOLID WALL CONSTRUCTION. The invention is a building brick designed for rapid assembly by interlocking male elements that cooperate with female elements. The upper face of each brick comprises two female cavities (1), configured to receive a defined quantity of poured cement mortar (15). The lower part comprises two male elements (2) configured for a tight and secure coupling with the two female cavities. Any pair of adjacent bricks creates a vertical cylindrical conduit (10) whose orifice (9) receives poured cement mortar (15), which, by gravity, fills a vertical cylinder (10) and two sealed horizontal cylinders (8). The drying of the poured cement mortar (15) allows the walls constructed with the present invention to be solidly and permanently bonded.The brick incorporates vertical and horizontal conduits configured to receive electrical wiring and pipe ducts. See Figure 14 for abbreviations.

The utility model relates to a simply-fixed wall hanging piece which comprises an expansion pipe used for being embedded into a wall body, a main hanging piece, an elastic piece and an auxiliary hanging piece. The main hanging piece is an expansion screw, the expansion screw comprises a rod body and a head part, the rod body is used for being embedded into the expansion pipe, and the elastic piece sleeves the head part of the expansion screw; the auxiliary hanging piece comprises a hanging part and a flat plate part which are connected with each other; the hanging part is used for being hung on the elastic piece; the flat plate part is vertically arranged and used for connecting the back face of a plate. According to the utility model, the plate can be mounted only by a small number of parts such as the main hanging piece and the auxiliary hanging piece, the mounting process is simple, the required flatness requirement of the plate can be ensured, and the material and labor costs are saved; only a small amount of adhesive is needed, the requirement for environmental protection is better met, and the flatness of abutted seams of the plates can be guaranteed; maintenance is easy, and user experience is good.