35results about How to "Reduce building construction costs" patented technology

The invention discloses a vacuum rainwater drainage system and a method. The system comprises a pump room, a water colleting tank, a water inlet pipe, a water outlet pipe and a water drainage river channel, wherein one end of the pump room is connected with the water colleting tank through the water inlet pipe, and the other end is connected with the water drainage river channel through a water outlet pipe; an electrical control unit and at least one vacuum control pump group is arranged in the pump room, and the electrical control unit controls the vacuum control pump group; and a liquid level measurement unit is arranged in the water collecting tank, and the liquid level measurement unit outputs signals to the electrical unit. The system and the method have the advantages that the starting of the pump unit requires no filling water, and the working efficiency is high; and the operation vibration of the device is low, and the failure rate is low; connecting pipes can be turned around, underground structures can be avoided, and the problem that construction is hard due to underground pipe networks are complex is solved effectively; capacity of a variable frequency regulation pump can be detected through a double-acting liquid level, and the performance of the system is reliable; and after the system control is upgraded, unmanned management of a pump station can be achieved, and management and human resource costs are saved.

The invention relates to a pond circulating aquaculture water treatment system. The pond circulating aquaculture water treatment system comprises a biological purification tank arranged at a central position of an aquaculture pond, wherein a separation well is arranged at a central position of the biological purification tank; a lifting pump is installed in a circulating pump well at a central position of the separation well; the pond circulating aquaculture water treatment system further comprises an ultraviolet disinfection well arranged on an outer side of a biological purification tank wall; an inner end of an embedded water outlet transverse pipe below a foundation slab of the aquaculture pond is connected with a water outlet inner longitudinal pipe, and an outer end is connected with a water outlet outer longitudinal pipe; an upper end opening of the water outlet inner longitudinal pipe is located in the disinfection well and a water outlet of the water outlet outer longitudinal pipe is located below a liquid level of an outer edge of the aquaculture pond; a sump pit is arranged at a central position of the foundation slab of the aquaculture pond and the sump pit is connected with a blow-down pipe; a separation well blow-down pipe is installed between the separation well and the sump pit. Circulating water filtration, biological purification and ultraviolet disinfection treatment are completed in the aquaculture pond, pump power is needed only in a return water lifting process, no power is needed in other circulating and blow-down processes, the power consumption is reduced and the water treatment efficiency is improved.

The invention relates to a building construction lifting platform capable of feeding materials circularly. The building construction lifting platform capable of feeding materials circularly comprises a safety rack, a horizontal lifting platform body, a plurality of lead screws capable of vertically rotating and a vertical material barrel, wherein a connecting block capable of rotating horizontally is arranged on the lifting platform body; the lead screws vertically penetrate through the connecting block and are connected with the connecting block via lead screw threads; two friction half rings capable of rotating horizontally are arranged on the connecting block; one end of each friction half ring is hinged to the connecting block; a rotating block capable of rotating horizontally is arranged at the other end of each friction half ring; the rotating blocks on the two friction half rings are connected via a bolt; a support frame which is in threaded connection with the lead screw is arranged on the lower part of the material barrel; the upper end of the material barrel can slidably penetrate through the lifting platform body; a chain wheel is arranged on the lower part of each lead screw; and the chain wheels are connected together via a chain. The building construction lifting platform capable of feeding materials circularly is skillful in structure and convenient to operate; the used materials are less; the building construction lifting platform is built simply; the practicality is high; and the safety is also high.

The invention discloses a controllable ground-penetrating type movable building lifting device, and relates to the technical field of building equipment. The lifting device comprises a bottom plate, the top of the bottom plate is fixedly connected with a machine box, hydraulic telescopic cylinders are fixedly connected to the two sides of the top of the inner wall of the machine box, piston discsare slidably connected with the interiors of the hydraulic telescopic cylinders, the bottoms of the piston discs are fixedly connected with hydraulic rods, the bottom ends of the hydraulic rods penetrate through the hydraulic telescopic cylinders and extend to the bottoms of the hydraulic telescopic cylinders. The movable building lifting device well solves the problem that an existing lifting device is not convenient to move by constructors, in the case of the movable lifting device, the constructors do not need to spend a lot of time to disassemble and reassemble the lifting device and fix the lifting device to another construction position, so that the working burden of the constructors is relieved, the working efficiency of the constructors is improved, then the whole lifting device can be quickly and conveniently moved, the purpose of reducing the construction cost of a building is achieved, and then the building construction work of the constructors is greatly facilitated.

The invention relates to an electrified highway traffic system, which includes automobiles, driving passages, lane ceilings, power grid systems, sliding cables and uprights; the uprights are fixed on the ground on both sides of the driving passage along the extending direction of the driving passage , the driveway ceiling is arranged above the driveway along the extension direction of the driveway and fixed on the column, the sliding contact cable is fixed on the lower part of the driveway ceiling along the extension direction of the driveway, and connected to the Power grid system, the car is running in the driveway, and the car is equipped with a power receiving device that matches the trolley cable, the power receiving device is in contact with the trolley cable, and connects the power grid The electrical power of the system is plugged into the car. The system can effectively utilize electricity, reduce vehicle pollution emissions, and at the same time solve the problem of poor flexibility of traditional trams that cannot be separated from the grid.

The reusable plastic-wood formwork for concrete pouring comprises a bottom plate, a positioning frame, a plastic-wood formwork body and a demolding assembly, the positioning frame comprises a top supporting ring, lateral supporting rods and a limiting ring, a top cross beam is arranged in the top supporting ring, the lateral supporting rods are arranged at the lower end of the top supporting ring, and the limiting ring is connected with the lateral supporting rods and connected with the bottom plate in a clamped mode; the plastic-wood mold shell comprises an upper mold plate and a side mold plate, the upper mold plate is arranged on the top supporting ring, the upper end of the side mold plate is connected with the upper mold plate, and the inner wall of the side mold plate is connected with the lateral supporting rod; the demolding assembly comprises a lifting sleeve, a driving gear ring and an adjusting gear, the lifting sleeve is rotationally clamped with the bottom plate, a demolding ejector rod is connected in the lifting sleeve, a connecting gear is arranged at the lower end of the lifting sleeve, and the driving gear ring is in meshed connection with the connecting gear and the adjusting gear; the device is reasonable in structural design, capable of effectively improving the building quality, high in repeated utilization rate and suitable for application and popularization.

The invention relates to the technical field of temperature control of a pasture, in particular to a water-cooling and water-heating system of a pasture. The system includes a main pipeline and heat exchange devices, circulating water pumps and heating devices which are connected to the main pipeline, wherein the main pipeline comprises a water inlet pipe, a middle pipe and a return pipe, the heatexchange devices are evenly arranged between the water inlet pipe and the return pipe, and the heating devices and the circulating water pumps are arranged on the water inlet pipe, the return pipe and the middle pipe separately; and the middle pipe is connected with a sewage drainage pipe. Regional temperature control can be achieved through arrangement of the calandria heat exchangers, the temperature needs of different areas in a same colony house can be met, and when the system is compared with a traditional temperature control method, the cost of temperature control of the colony house can also be reduced through water heating, so that under the condition of ventilation, good temperature control in the designated areas in the colony house is achieved, the construction requirements ofthe colony house are low, and the construction cost is reduced.