31results about How to "Simple and flexible construction" patented technology

The invention provides a track board with periodic structure characteristics. The track board is formed by overlapping multiple layers of periodic sub-structures; the adjacent periodic sub-structures are made of different constituent materials, the thickness sizes of all layers of periodic sub-structures are determined according to the height of a track and the damping effect requirement, and damping is achieved based on an elastic wave band gap principle. The thickness sizes of all layers of periodic sub-structures are equal. The thickness sizes of all layers of periodic sub-structures are consistent with focused vibration wavelengths so that the damping effect can be improved, and damping is achieved based on the elastic wave band gap principle. A track board damping system with the periodic structure characteristics comprises the track board, buckle systems, steel rails, a base, a CAM mortar layer and a boss; the steel rails are fixed to the track board through the buckle systems; and the track board is arranged on the base through the CAM mortar layer and is continuously laid in the line extension direction. The track board damping system can be used for urban rail transit, high-speed railways, heavy haul railways and common railways. Damping and noise reduction control over urban rail transit, the high-speed railways, the heavy haul railways and the common railways is facilitated, and meanwhile the beneficial effects of being simple in structural style and convenient and flexible to construct and maintain are achieved.

The invention relates to a construction method for transversely strengthening a railway bridge by utilizing a prestressing steel structure. By adopting the prestressing steel structure for transversely strengthening, the defect that the traditional method affects the normal operation of a train is overcome; and by galvanizing steel members, filling a potting material and a structural adhesive to form three-layer anti-corrosive protection, smearing neutral grease on anchorage devices at two ends, and installing a protective nut cap, the whole structural system is enabled to have good durability. The invention has flexible, simple, and convenient construction and is a high-efficiency construction method.

The invention relates to the technical field of observation well construction, in particular to a small-diameter observation well set-shaped steel formwork pouring construction method. The method includes the following steps of mounting of formwork sets for supporting; foundation concrete dabbing, cleaning, reinforcement cage mounting, inner steel formwork mounting, outer steel formwork mounting,formwork set correcting, concrete pouring, concrete curing and formwork detaching. The construction difficulty is lowered, the construction period is shortened, the construction quality is guaranteed,a large number of supporting steel pipes, buckles and other materials can be saved, the construction cost is low, the construction precision is high, the materials can continuously and cyclically circulate for use, mounting is easy and convenient, the strength and the rigidity are high, the deformation is low, the perception quality is high, detachment is easy in narrow space, the labor intensityis reduced, the construction mechanization level is improved, and use of labor force is reduced.

The invention relates to a curved roof curtain wall system. The curved roof curtain wall system comprises a main framework arranged on a main body structure, a plurality of first adapting pieces arranged on the side, away from the main body structure, of the main framework at intervals, second adapting pieces installed on the sides, away from the main framework, of the first adapting pieces in a swinging mode, secondary frameworks detachably installed on the sides, away from the main framework, of the second adapting pieces, a plurality of installing bases arranged at intervals and detachably arranged on the secondary frameworks in a sleeving mode, and curtain wall plates detachably installed on the sides, away from the secondary frameworks, of the installing bases. The second adapting pieces are moved and adjusted in the length direction of the first adapting pieces so that the distance between the secondary frameworks and the main framework can be adjusted, and the posture of the secondary frameworks is adjusted by adjusting the second adapting pieces in a swinging mode. A plurality of curtain wall plates are spliced and connected to form the curved roof curtain wall system, adjusting and installing can be conducted according to the design modeling of the curved roof curtain wall system, and construction is more flexible, easier and more convenient.

The invention discloses a railway protective fence and an installation method thereof, and belongs to the technical field of railway protection. The railway protective fence comprises a stand column and fence units, wherein the fence units are fixed to the two sides of the stand column and composed of headsills, fenceslices, and mud sills, the top of the stand column is connected with the fence units in a rotating mode through a column capital, and the lower part of the stand column is connected with the fence units in a rotating mode by a bracket supporting block. The railway protective fenceand the installation method thereof have the beneficial effects that the railway protective fence is simple in overall structure and simple and flexible in construction, the horizontal and vertical angle installation requirements are met, resources and manpower are saved, the construction cost is lowered, and the whole structure is more aesthetics after construction.

The invention relates to a large displacement seamless composite expansion joint and a bridge, which relates to a bridge expansion joint. The lower bottom of the joist extends in the direction of theinclined surface. A water stop band is installed between the two projections, a row of comb plates are fixed at the angle between the inclined surface of the joist and the protrusion. A plurality of precast concrete blocks are supported on two projections. A row of comb slots are respectively arranged on both sides of the precast concreting block. A slot of that comb plate correspond to the comb plate one by one, a gap is left between the precast concrete block and the joist and a filling edge joint is arranged, the upper surface of the plurality of precast concrete block are connected into anorganic whole through two angle steels, an elastic filling belt is arranged between the two angle steels, and pavement layers are respectively arranged flush with each other between the two angle steels and the two joist. The composite expansion joint not only meets the needs of large displacement, but also is seamless, easy to maintain composite bridge expansion joints.

The invention discloses a seamless bridge expansion joint based on a phosphorus-magnesium material. The seamless bridge expansion joint comprises a pavement layer and a cast-in-place concrete layer, wherein a phosphorus-magnesium material interface layer, a thin steel plate, transverse rebar and vertical rebar are arranged between the pavement layer and the cast-in-place concrete layer, the transverse rebar and the vertical rebar are arranged at the inner side of the phosphorus-magnesium material interface layer, the thin steel plate is arranged on a crack crevice of the cast-in-place concretelayer, and the gaps among the transverse rebar, the pavement layer, the phosphorus-magnesium material interface layer, the cast-in-place concrete layer and the thin steel plate are filled with a phosphorus magnesium mortar layer. The invention further discloses a construction method of the seamless bridge expansion joint based on the phosphorus-magnesium material. The seamless bridge expansion joint based on the phosphorus-magnesium material has the advantages that the flexibility is good, the high-temperature stability is high, the low-temperature crack resistance is excellent, the construction is simple, the commissioning time is short, the early strength is high, the repair and maintenance are simple, the durability is strong, the water resistance and adhesion are strong, the operationand running are comfortable and steady, the service life is long, the bridge expansion joint is simple and compact, a mounting notch is shallow, an anchoring system is not needed, the combination with the ground face is tight, flat and smooth, and the bridge expansion joint is suitable for the installation or repair and maintenance various bridge expansion joints.

The invention discloses a construction method of a rainwater garden in sponge city transformation. The construction method is characterized by comprising the following steps of S1, performing construction preparation; S2, treating a base layer; S3, building and joining water collecting wells; S4, paving an HDPE impermeable layer; S5, paving a gravel cushion layer, a gravel cushion layer and a water-permeable blind pipe; S6, constructing a non-horizontal filtering water storage layer; S7, backfilling the planting soil; S8, performing construction of drainage curbs and a buffer area; and S9, performing green land planting. The construction method of the rainwater garden in sponge city reconstruction has the advantage of relatively low construction management cost, the construction of hard pavement and municipal rainwater pipelines is greatly reduced by the construction of the rainwater garden, urban rainwater is effectively absorbed by ecological vegetation, and the project construction cost is saved. Meanwhile, rainwater permeation is effectively carried out, rainwater runoff is reduced through retention and absorption of plants and soil, downstream structures and water are protected, and compared with traditional rainfall flood management measures, the method is low in manufacturing cost and high in economic applicability.

The invention discloses a lightweight thermal insulation daub for a coreless induction furnace, and a preparation method thereof. The lightweight thermal insulation daub comprises a lightweight thermal insulation daub, the outer layer of a coreless induction furnace coil is uniformly covered with the lightweight thermal insulation daub, and the main chemical components of the lightweight thermal insulation daub comprise 65-75% of Al2O3, 17-25% of SiO2 and 4-6% of CaO. The preparation method of the lightweight thermal insulation daub comprises the following five steps: 1, preparation of raw materials; 2, mixing of the raw materials; 3, material detection; 4, material packaging; and 5, application. The lightweight thermal insulation daub is prepared from 45-55 wt% of alumina clinker, 5-10 wt% of lightweight hollow high-alumina balls, 3-6 wt% of perlite, 20-25 wt% of aluminate cement and 1-3 wt% of silica powder. The lightweight thermal insulation daub for the coreless induction furnace has a low thermal conductivity and an excellent thermal insulation effect, can be applied to the coil and a working lining material to greatly reduce the penetration of induction heat in a furnace body, so the temperature difference between the cold face and the hot face of the working lining material is greatly reduced, the service life of the working lining material is prolonged, and dissipationof the induction heat in the furnace body is reduced.

The invention discloses a smart power consumption service oriented GPRS composite relay device, comprising a near end device, a relay device and a far end device. The near end device is connected with a terminal device of a measurement and control terminal or a centralized reading terminal through the Ethernet and is used for coupling Ethernet data on a PLC line. The relay device is located between the near end device and the far end device and has a relay function. The far end device is used for transmitting the data on the PLC line to a power distribution or metering master station through GPRS. According to the GPRS composite relay device, the data produced by the Ethernet port of the terminal device is transmitted to a place with a stable GPRS signal through the power line, and the master station is connected in a GPRS mode, so a stable communication function is realized.

The invention discloses a construction method for limiting thermal expansion and cold shrinkage of steel belt reinforced polyethylene helical bellows, and belongs to the field of construction of bellows. The construction method for limiting thermal expansion and cold shrinkage of the steel belt reinforced polyethylene helical bellows successively comprises the steps of construction preparation, excavation of a foundation pit, spacer construction, bellow location and connection, bellow fixation, closed water test and bellow backfilling. Thus, the problems that the amount of thermal expansion and cold shrinkage of bellows affected by the temperature is large, and a welded tube opening always cracks due to pulling and then leaks water are solved. The construction method is simple to construct, and is safe and reliable, and the quality of a welded junction is ensured.

The invention provides a construction device for a precast surface and cast-in-place core filler wall. The construction device has the advantages that a pressure plate (4) as a pressure applying device has the characteristics of enough rigidity, high strength and the like, and a good pre-pressure effect is achieved by arranging stiffening ribs (10) or stay cords (9) and force applying keys (11) on the pressure plate (4). The entire pressure applying device is simple to install and dismantle, and flexible in configuration, and has a stress self-balancing function. The pressure plate (4), the stiffening ribs (10), the stay cords (9), the force applying keys (11) and the like are massively produced by a factory in a prefabricating manner, the installation is simplified, and the work efficiency is enhanced. As to large-area construction of the filler wall with large thickness and height, the comprehensive economic indexes and the construction duration of the construction device are superior to those of the prior art.

The invention relates to an electric energy monitoring system and belongs to the energy monitoring technical field. The electric energy monitoring system has the advantages of low cost and stable operation. The electric energy monitoring system of the invention includes an upper computer, microcomputers, a control circuit, a power detection and sampling circuit and a load. The electric energy monitoring system is characterized in that the communication port of the upper computer is connected with the communication ports of the microcomputers through a 485 bus; the communication ports of the microcomputers are connected with the communication port of the control circuit and the communication port of the power detection and sampling circuit respectively; the control signal output port of the control circuit is connected with the control signal input port of the load; the sampling signal input port of the power detection and sampling circuit is connected with the sampling signal output port of the load; a plurality of microcomputers are adopted; and the communication ports of the microcomputers are respectively connected with the communication port of the upper computer through the 485 bus.

The invention discloses a data processing method and device and a data processing system. The method comprises the steps: acquiring to-be-processed source data, wherein the source data are data read from a to-be-monitored equipment end; inputting the source data into a data reconstruction model, and performing reconstruction processing on the source data by using the data reconstruction model to obtain reconstructed data, the data reconstruction model being obtained by machine automatic processing in advance; and transmitting the reconstructed data to a cloud server based on the data reading instruction. According to the invention, the technical problems of poor flexibility and difficulty in extracting key data from massive data due to the limitation of the design structure of the data acquisition system in the prior art are solved.