33 results about "Cement fixation" patented technology

The invention belongs to the technical field of prefabricated buildings, in particular to a special-shaped column node connecting structure for prefabricated buildings. The special-shaped column nodeconnecting structure comprises special-shaped columns and transverse beams perpendicular to the special-shaped columns, wherein a plurality of reinforcing parts are arranged at connecting parts of thetransverse beams and the special-shaped columns and are distributed at the two sides of the transverse beams; the reinforcing parts are fixed to the transverse beams and reinforcing parts through bolts in a screw joint manner; by arranging the plurality of reinforcing parts at the connecting parts of the transverse beams and the special-shaped columns, the transverse beams can be fixed from the upper parts, lower parts and middle parts of the transverse beams; the bolts are used for fixing the reinforcing parts, the transverse beams and the special-shaped columns, so that the special-shaped column node connecting structure is convenient to install by a worker, and the installation time is shortened; the bolts extending into a cavity part are bound by longitudinal reinforcing ribs and transverse reinforcing ribs, and then the cement concrete is poured into the cavity; the bolts are fixed by cement in a manner of combining cement pouring and bolt installation; and the structure can be relatively stable while the installation time is shortened.

The invention relates to the field of constructional engineering, in particular to a paver for constructional engineering. A cement stirring combination is adopted for conducting paving and paving a cement fixation layer between the ground and stone bricks for paving; a spacing adjusting combination in a stone brick combination is utilized for adjusting the spacing of paved stone bricks; the stonebrick combination automatically paves the stone bricks; a damping casing pipe in a movable bracket is utilized for increasing buffering for the paver; the paver comprises the stone brick combination,the cement stirring combination, the movable bracket and a driving belt, and through rotary connection of a first lower roller, a second lower roller, a third lower roller, a fourth lower roller, a fifth lower roller and a sixth lower roller with a stone brick bracket, transportation of the stone bricks for paving in the stone brick bracket is facilitated; through squeezing between a rolling compaction roller and the stone bricks for paving, convenience is brought for the stone bricks for paving to pass through the inner end of the stone brick bracket; the spacing adjusting combination adjusts the spacing among the stone bricks for paving; mixtures of limestone and sand gravels are conveniently added into an outer frame through a feeding hole; mixed cement is conveniently discharged out of the outer frame through a discharging pipe.

The invention discloses a high-stable curb stone and a construction method thereof, and relates to the technical field of road construction. The main points of the technical solution are: the high-stable curb stone includes a stone body, the stone body includes a stone top wall and a stone bottom wall, and the stone body includes a stone top wall and a stone bottom wall. The side wall of the stone body includes a fixed wall for fixing to the sidewalk. The stone top wall is provided with a top hole, and the fixed wall is provided with a side hole, and the side hole is connected to the top hole; Pipe 1, the side hole is pierced with pipe 2, the pipe 1 and pipe 2 are internally connected to form an injection channel, and the two ends of the injection channel are respectively the opening of the top hole and the opening of the side hole. Through the present invention, the cement mortar is more likely to enter the sidewalk and the bottom of the contact part of the curb, so that the installation of the curb is more stable; the installation stability of the curb is further improved through the insertion of the bottom of the tube and the installation hole and the cement fixation; Pipe one and pipe two form a skeleton structure in the stone body, which improves the impact resistance of the curb stone.

The invention discloses an easy-maintaining pipeline electric wire. The structure of the easy-maintaining pipeline electric wire includes a power supply plug, a horizontal pipeline wire, a power socket, a vertical pipeline wire, and a grid interface; the power supply plug is fixed outside the wall through cement; and the horizontal pipeline wire is electrically connected to the right side of the power supply plug. In the case of a sudden increase of the current in the circuit and a voltage change, the shape of a magnet absorbed belt can be changed to compress a corresponding needle-nosed belt,so that the needle-nosed belt causes a stimulating slide on a rolled sheet and makes the rolled sheet carry out an action effect of the corresponding circuit, so that people can accurately determinewhich wire is faulty after removing the wire; through the collision occurrence effect of collision particles in a rotating cone and the effect of color-changing of a certain color-changing belt, the fault of a certain line can be judged visually and acoustically; and the double judgment is more accurate; therefore, the waste of maintenance time caused by misjudgment is prevented.

A safe, time-saving, and effective way to repair abandon core holes in concrete slabs in buildings with multiple floors. The kit allows repairs to be performed from above the slab, rather than solely from below. It saves workers time and frustration while also lowering overtime costs for a greater return. The device holds poured cement in place with metal disks, rather than combustible materials, fiberglass insulation, or other makeshift materials, for maximum safety. The present invention uses a wire to secure plugs in cores, effectively preventing the plugs from falling out. Concrete penetration patch kit includes a concrete penetration patch kit is used by contractors to repair abandon core holes in concrete slabs. This innovative product is a concrete patch kit for use when patching any abandoned slab penetrations, including electrical, plumbing, and floor cores in concrete.

A 3D printing preparation method of a light-transmitting cement-based composite material. The light-transmitting cement-based composite material is composed of a cement matrix and a light-transmitting column array. The light-transmitting column array is prepared by 3D printing technology. The cement matrix can be prepared by casting molding method first. The light-transmitting column array is printed on the substrate, or the light-transmitting column array with the substrate is directly printed by 3D printing technology, and then cement fixing grooves are placed around the substrate, and then cement slurry is poured and maintained in the gap between the light-transmitting columns. After the cement slurry is completely hardened, the demoulding is carried out and the substrate is removed; the material after demoulding and removal of the substrate is polished and polished, and finally a light-transmitting cement-based composite material with a regular appearance is obtained; the invention can realize the light-transmitting column The array has strong independent design, high dimensional consistency and accurate position adjustment, which solves the problems of complex optical fiber layout process and low position accuracy in the prior art, and has simple process, low labor cost, convenient operation, and easy realization of fast and diversified Production.

The invention provides a radioactive shielding tile for environmental protection. The tile comprises a shelter body, a shielding plate, an isolation board, groove bodies, an outer coating board and afixing board; the shelter body is divided into three layers, the middle layer of the shelter body is installed inside, and two layers of shielding plates are fixedly arranged; an isolation plate is embedded at the outmost side of the shelter body; the outer coating plate covers the outer side of the isolation board, the groove bodies are arranged inside the surface layers of the upper and lower ends of the outer coating board; a fixing plate is fixed to the joint of the three layers of the shelter body through cement; injection holes are formed in a gap between the fixing plate and the shelterbody; filling layers are arranged on the two sides inside the shelter body inner layer, and the filling layers are fixed through the fixing plate and installed on the shelter body; an installing contact is installed at the bottom end of the shelter body, and an opening is formed in the position, corresponding to the injection hole, of the installing contact. By arranging the shelter body and thefixing plate, the problems that various internal structures of an existing radioactive shielding device are not high in integration level, and the structural strength and weight cannot be well balanced are solved.