9results about How to "Reduce construction errors" patented technology

The utility model discloses a kind of rapid pouring mould of assembly integral type two-way dense rib composite floor slab prefabricated concrete bottom plate, including bottom plate, first intermediate plate, second intermediate plate, first side edge plate, second side edge plate and third side edge plate.The pouring mould in the utility model has fast pouring speed, is easy to vibrate, easy to demould, can greatly reduce construction error and construction difficulty, while improving pouring efficiency, realize the promotion of assembly building efficiency.

This utility model discloses a prefabricated building integrating concealed heating and ventilation channels, relating to the field of building equipment technology. It includes a prefabricated building body, with an air supply component fixedly installed on the outer wall of the prefabricated building body. A sensing component is connected to the top of the air supply component, which includes a distribution box. A mixing pipe is fixedly connected to the end of the distribution box away from the air supply component. A connecting component is fixedly connected to the end of the mixing pipe. A first ventilation pipe is fixedly connected to the end of the connecting component away from the mixing pipe. A second ventilation pipe is connected to the end of the first ventilation pipe. This utility model features a structure linking the air supply component and the sensing component, enabling stable introduction and delivery of external air to the distribution box. The rotation of the air guide plate is driven by the thermal expansion and contraction effect of ether within the annular cylinder, automatically adjusting the opening state of the cold and hot air ducts according to the ambient temperature. This achieves a passive temperature control function that switches between cold and hot air without the need for an electrical control system. The structure is simple, the response is sensitive, and the energy consumption is extremely low.

The utility model relates to the technical field of electric boiler, especially a direct supply type electric boiler prying integrated unit, which reasonably deploys and installs the electric boiler assembly, power cabinet, general control cabinet and additional customer added functions such as water replenishing assembly according to customer demand, the power cabinet provides electric power for the electric boiler assembly and water replenishing assembly, the general control cabinet coordinates and controls the work between the electric boiler assembly and water replenishing assembly, greatly shortens the field construction time, reduces the construction error caused by field construction, and includes control assembly, electric boiler assembly and water replenishing assembly, the control assembly is used for providing electric power for the electric boiler assembly and water replenishing assembly, simultaneously coordinates and controls the operation of the electric boiler assembly and water replenishing assembly, the control assembly includes power cabinet and general control cabinet, the power cabinet provides electric power for the electric boiler assembly and water replenishing assembly, and the general control cabinet coordinates and controls the work between the electric boiler assembly and water replenishing assembly.

The utility model relates to photovoltaic pile construction field discloses a photovoltaic pile construction positioning device, include: positioning frame, positioning head, the number is several, several positioning head install on positioning frame, several positioning heads are circular array distribution, angle sensor, the number is several, several angle sensors install on positioning frame, angle sensor is connected with positioning head. In the utility model, through setting up positioning head and angle sensor, realized real -time monitoring to prefabricated pipe pile insertion process, and construction personnel can acquire the inclination angle data of pipe pile instantly, can rapidly adjust construction strategy, reduce construction error, improve the installation precision of photovoltaic pile, ensure that pipe pile inserts with correct angle.

This utility model discloses a prefabricated floor slab force transmission rod connection structure, including a first floor slab, a second floor slab movably connected to the side of the first floor slab, a fixed connecting plate movably connected to the upper ends of the first and second floor slabs, a symmetrical first threaded hole at the upper end of the first floor slab, a symmetrical third threaded hole at one end of the fixed connecting plate, a symmetrical second threaded hole at the upper end of the second floor slab, and a symmetrical fourth threaded hole at the other end of the fixed connecting plate, and a movable connecting plate movably connected to the lower ends of the first and second floor slabs, the movable connecting plate having multiple positioning shaft holes. Through the above structure, a stable upper and lower clamping structure is formed, effectively distributing the force on the force transmission rod, achieving precise positioning and installation, reducing construction errors, and allowing flexible adjustment of the position of the movable connecting plate to adapt to different working conditions, effectively ensuring the safety of the prefabricated floor slab during long-term use.

The utility model provides a kind of stable ground gripping type concrete pipe pile, the stable ground gripping type concrete pipe pile includes pipe pile body, by C50 and above strength grade concrete pouring, outer diameter is 0.8-1.5 meters, wall thickness is 100-250 millimeters;Ground gripping part, set in the bottom end of pipe pile body, the ground gripping part is conical tip, tip surface is equipped with helical groove, groove depth is 10-30 millimeters, pitch is 50-150 millimeters;Longitudinal main reinforcement, along the circumferential uniform distribution of pipe pile body inner wall, the longitudinal main reinforcement is HRB400 grade reinforcing bar, diameter 20-32 millimeters, interval is 80-150 millimeters;Outer wall ground gripping texture, along pipe pile body outer surface axial distribution, the texture is trapezoidal projection, height is 5-15 millimeters, width is 20-50 millimeters, adjacent projection interval is 30-80 millimeters. By optimizing bottom ground gripping structure, outer wall texture design and internal strengthening scheme, the penetration efficiency of pipe pile, displacement resistance and connection reliability are significantly improved.

The utility model provides a kind of cable-stayed bridge pre-burying sleeve positioning structure, it is related to sleeve positioning structure technical field, including bottom plate platform, still include drive member setting in the one side of bottom plate platform, shaft sleeve is set in the inner side of bottom plate platform, fixed part is set in the outer side of one end of shaft sleeve, support block is set in the one side of shaft sleeve, for supporting and limiting sleeve, linkage of sliding block, first rotary arm and other components are driven by telescopic cylinder, automatically adjust support force according to sleeve weight, when facing heavy load sleeve, structure will follow the downward trend generated by sleeve weight, constantly enhance the support force of support block to sleeve inner wall, ensure that sleeve remains stable during pre-burying, effectively prevent displacement, inclination and other problems caused by insufficient support.

The utility model discloses a light high -strength prefabricated assembled ribbed slab type abutment, include: bottom support platform, ribbed slab is provided with two groups, two groups of ribbed slab symmetry fixed connection in the top surface of bottom support platform, platform cap shell is fixed in the top of ribbed slab, the top surface fixed connection of ribbed slab has I -steel connecting piece, and I -steel connecting piece inserts into platform cap shell, and fixedly connected with connecting reinforcing steel bar, back wall, back wall side two ends symmetry fixed connection has ear wall, back wall and ear wall integrated, and the outside of platform cap shell is fixed between back wall, wherein, after I -steel connecting piece inserts into platform cap shell, uses concrete pouring fixed. The utility model each component can be prefabricated in advance in factory. In construction site, only need to carry out simple assembling operation, has greatly shortened construction period. Compared with traditional on -the -spot pouring construction mode, need not to wait for concrete maintenance to reach design strength, has saved a lot of time.

This invention discloses a top-drive type tailpipe cementing head, a tailpipe cementing system, and a cementing process. The cement head body comprises a cement head body, a rubber plug pre-installation mechanism, and a drill pipe tandem connector. The cement head body is used to connect to the top drive system at its upper end. At least one union joint is milled on the cement head body. The cement head body has an internal cavity. The rubber plug pre-installation mechanism is installed within the cavity. The rubber plug pre-installation mechanism includes a rubber plug sleeve and a drill pipe rubber plug. A fluid channel is provided on the side wall of the rubber plug sleeve. The drill pipe rubber plug is installed inside the rubber plug sleeve. The drill pipe rubber plug is used to scrape the drill pipe under the action of displacement fluid. The drill pipe tandem connector is connected to the lower end of the cement head body. The drill pipe tandem connector is used to connect the drill pipe string. This invention solves the problem of the need for multiple connection and disassembly of conventional cement heads in tailpipe cementing; solves the circulation problem of the top drive system under drill pipe rubber plug pre-installation; and solves the problem of continuity of tailpipe cementing construction throughout the entire process.