33 results about "Cement fixation" patented technology

The invention discloses a three-blocking two-segment type grouting sealing hole pressure measuring structure which comprises a grouting sealing hole pressure measuring structure body (1). A pressure measuring chamber (9) is located at the forefront end of the grouting sealing hole pressure measuring structure body (1). A pressure measuring steel pipe (2) is located in the grouting sealing hole pressure measuring structure body (1) and communicated with the pressure measuring chamber (9). The three-blocking two-segment type grouting sealing hole pressure measuring structure is characterized in that the pressure measuring steel pipe (2) sequentially passes through 1# marithan fixing segments (10), 1# cement fixing segments (5), a 2#marithan fixing segment (12), a 2# cement fixing segment (14) and a 3# marithan fixing segment (13) from interior of the grouting sealing hole pressure measuring structure body (1) to exterior of the grouting sealing hole pressure measuring structure body (1) and is fixed to the middle of the grouting sealing hole pressure measuring structure body (1).

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 discloses a treatment system for homogenization of a solid medium formula and a method therefor. The system is applied to cement grouting fixation for medium- and low-radioactive wastesin nuclear industry. The system includes a cement metering and storing system, a water metering system, and additive metering and storage system, a mixing bin, a stirring system and a pumping system.The method includes the steps of: 1) according to formula demand of cement fixation of a nuclear power plant, feeding a cement dry material to a first-stage stirring bin according to preset quantity via a dry material storage bin; 2) according to the formula demand, feeding a liquid component to the mixing bin to initially mix the components in the mixing bin, and feeding the mixture to the first-stage stirring bin; 3) at the same time, performing initial stirring to the cement dry material, an additive and water in the first-stage stirring bin, thus preparing a mixture body; 4) after the initial stirring is completed, feeding the mixture body into a secondary initial bin to perform fine stirring; 5) after the secondary stirring is completed, feeding the mixture body to a cement grouting station through the pumping system. The treatment system and the method are different from systems and methods applied generally in nuclear power plants, wherein secondary stirring is designed, so thatmaterials are stirred more homogeneously.

The invention relates to the field of precast pile installation, in particular to a cement precast pile connecting piece which comprises a fixing mechanism, a reinforcing mechanism, a linkage mechanism and a joining mechanism. Each penetrating through hole is composed of two intersecting through holes, the steel bars of the precast piles at the upper end and the lower end are inserted into the same penetrating through hole, the two steel bars do not abut against each other or interfere with each other and are provided with coincident parts, and therefore the strength of the connecting position is enhanced. The poured cement is guided into the penetrating through holes through the pouring straightway and the pouring channel, so that the reinforcing steel bars inserted into the penetrating through holes are subjected to cement fixation; when the limiting sliding rod moves in the penetrating through hole direction, the reinforcing hammer head extrudes the reinforcing steel bar inserted into the reinforcing hammer head to the side wall, so that the reinforcing steel bar is fixed, and the connection stability is enhanced; all the components of the reinforcing mechanism are connected through the linkage mechanism, so that all the components of the reinforcing mechanism are synchronized, and the situation that the reinforcing mechanism cannot achieve the reinforcing function due to the fact that a single component does not work is prevented.

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 quakeproof bridge structure and a construction method thereof. The quakeproof bridge structure comprises a bridge abutment, a plurality of stand columns are poured at the bottoms of the two ends of the bridge abutment correspondingly and evenly distributed at equal intervals, a bridge pier is poured at the bottoms of the stand columns, and bearing beams are poured on the two sides of the bottom of the bridge pier correspondingly; stabilizing steel bars are poured in the bearing beam, and reinforcing fillers are poured at the two ends of the exterior of the bearing beam correspondingly; secondary side plates and a primary side plate are respectively mounted at the top of the bridge abutment, the secondary side plates are respectively arranged at two ends of the top of the bridge abutment, and the primary side plate is arranged between the two secondary side plates. The modules composed of the main side plates and the secondary side plates are driven into the bridge abutment through the threaded piles, and cement is poured for fixing, so that the modular building mode replaces a traditional reinforced concrete building mode, the working efficiency of the quakeproof bridge during construction and building is improved, and the building cost is indirectly saved.

The invention provides a formwork frame. The formwork frame comprises a first formwork, a second formwork, a third formwork and a fixing piece. The second formwork and the first formwork are oppositely arranged. The third formwork is fixedly connected to the bottom of the first formwork and the bottom of the second formwork, and a pouring cavity is formed by the third formwork, the first formwork and the second formwork so that cement can be poured. The fixing piece comprises a bottom wall and a side wall which are perpendicularly connected, the bottom wall is fixedly connected to the third formwork, the side wall makes contact with the outer side of the second formwork, the rigidity of the fixing piece is larger than that of the joint of the second formwork and the third formwork, and the side wall is used for fixing the position of the second formwork. According to the formwork frame, the phenomenon that the second formwork inclines outwards is reduced, and then the purposes of reinforcing stability and improving the cement pouring quality are achieved.

Unicondylar tibia implant devices having a bone-facing, distal side that can be detailed with cement fixation features and may include any of or a plurality of grooves, pegs, fins, rails, cavities, and / or coating whereby the geometry of the implant device improves implant-to-cement or cement-to-bone fixation characteristics exceeding that of a traditional flat surface. The implant device may also include a proximal side facing away from the bone-facing, distal side and having a geometry that provides either articulation with (cartilage and meniscal substituting) or receipt of a secondary device coupleable to the implant device on the distal side of the secondary device that features an away-from-bone facing articulating feature. Additionally, the geometry of the implant device in anterior-posterior and medial-lateral directions, among other directions, provides a variety of improvements relative to currently available devices.

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 a high-speed rail platform antiskid ground paving structure and a paving method thereof. The structure comprises a first partition plate, a second partition plate, a third partition plate, a fourth partition plate and screws, inserting holes are formed in the two sides of the first partition plate and the two sides of the third partition plate correspondingly, and first screw holes are formed in the middles of the two ends of the first partition plate and the two ends of the third partition plate correspondingly; inserting blocks are fixed to the middles of the two ends of the second partition plate and the middle of the two ends of the fourth partition plate respectively, second screw holes are formed in the inserting blocks, and the first partition plate, the second partition plate, the third partition plate and the fourth partition plate are sequentially spliced end to end to form a frame. The screws are screwed into the first screw holes and the second screw holes to fix the first partition plate, the second partition plate, the third partition plate and the fourth partition plate; the frame is embedded into the unsolidified cement, and the anti-skidding floor tiles are sequentially embedded into the frame after the cement is solidified. The high-speed rail platform antiskid ground paving structure has the advantages that the frame is fixed to the platform through cement, the anti-skid floor tiles are embedded into the frame, and the damaged anti-skid floor tiles are convenient to replace while the anti-skid floor tiles are fixed.

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.

The invention discloses a building body pile hole automatic blocking module. The building body pile hole automatic blocking module comprises a cement fixing module corresponding to a pipe pile hole and a cement sliding module, a circle of supporting steel bars are arranged on the cement fixing module, water bag pipes are correspondingly arranged on the supporting steel bars, water chambers are correspondingly formed in the water bag pipes, first pull ropes for pulling the water bag pipes to break are correspondingly arranged on the cement sliding module, a sleeve pipe is installed on the cement fixing module and the cement sliding module in a sleeving mode, a cement chamber is formed between the cement fixing module, the cement sliding module and the sleeve pipe, dry cement is arranged inthe cement chamber, and a circle of inclined elastic pressing sheets are arranged on the cement fixing module. The sleeve pipe is put into the pipe pile hole, the first pull ropes are pulled to breakthe water bag pipes, thus water flows out and pours the cement, and the purpose of blocking the pipe pile hole is achieved.

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.

A system and method for a composite cement retainer. A composite cement retainer has various components. When these various components comprise composite where feasible, or a drillable metal, the retainer can be easily placed and quickly drilled if necessary.