122results about How to "Fast construction and installation" patented technology

The invention relates to the concrete composite structure of a hollow double-deck FRP pipe, which is characterized in that the composite structure comprises an outer FRP pipe used as a lateral wall, an FRP barrel used as an inside wall and a steel and concrete composite layer or a concrete layer which is used as a fixed connector between the outer FRP pipe and the FRP barrel. The invention has good structural mechanical performance and earthquake resistance, which reduces the sole weight of the structure and strengthens the bending rigidity of the structure, thereby resulting in the convenient convey of the components and quick construction and installation; the invention is applicable to strengthen the modification works and in particular to be applied to the poles and bracing members of buildings, bridges and special structures in severe environment such as ocean, marsh, alkaline land, etc.

The invention discloses a method for constructing a tower crane foundation. According to the technical scheme, the tower crane foundation is constructed by using a structure raft foundation. The method comprises the following steps of: determining the position of the tower crane foundation, excavating soil, constructing a foundation bed, constructing and plastering brick moulds, performing foundation water prevention, constructing a foundation water prevention protective layer, performing foundation setting-out, bundling foundation base plate lower steel bars, preembedding and assembling tower crane accessories; bundling foundation upper steel bars, assembling steel plate water-stop belts and templates, performing concrete construction on the tower crane foundation, roughening and performing water prevention treatment on concrete surface of the tower crane foundation and a structure raft. By the method, the construction process is simplified, the construction cost is reduced, and the tower crane foundation is integrated with the structure raft and stressed in a relatively balanced and safe mode.

The invention discloses a multi-split frame type energy-saving air conditioner system and a control method thereof. The multi-split frame type energy-saving air conditioner system is characterized in that a natural cooling condenser is respectively connected with a first evaporator, a second evaporator and a third evaporator at outside through a second electromagnetic valve, a fourth electromagnetic valve and a sixth electromagnetic valve; a refrigerant pump is respectively connected with a first condenser, a second condenser and a third condenser at outside through a first electromagnetic valve, a third electromagnetic valve and a fifth electromagnetic valve; the first evaporator is connected with the first condenser, the second evaporator is connected with the second condenser, and the third evaporator is connected with the third evaporator. The multi-split frame type energy-saving air conditioner system has the advantages that the application of single unit cabinets is supported, the application of parallel multi-split cabinets is realized, and the multi-split frame type energy-saving air conditioner system can be used as an alternative plan of modularizing machine room applications; the investment cost is low, the installation and construction speed is high, and the running efficiency is high.

The heating system includes the flexible tubes connected to the heating system and the thermal radiation templates composed of the thermal insulation layer and the heat-collecting zone made from light material. Several pieces of the thermal radiation templates are tiled along rows and columns. There are grooves on the heat-collecting zones. Two ends of the groove are leaded to sides of the thermal radiation templates respectively. The grooves are connected in series. The flexible tubes are setup inside grooves and concrete layers cover grooves. The thermal insulation layer is made from PVC foaming material. Adding the mixed material from cement 20úÑ, fluvial sand 15úÑ, perlite or polystyrene granules 67úÑ and building glue 3úÑ into the grooves makes light heat-collecting zones. The invention provides the heating system built from material with low cost, quick installation and low heat loss in transmission process.

The invention provides a low-intermodulation compatible type connection radio frequency socket and plug. The socket comprises an outer socket conductor, an inner jack conductor, a socket insulating support, an end face reed and a radial reed. The outer socket conductor is internally provided with an annular groove matched with and coupled to an outer plug conductor. The inner side of the annular groove is the front-segment tongue diameter, and the end face of the annular groove is a mechanical benchmark face. The front-segment tongue diameter and the mechanical benchmark face are designed to be of an integrated structure. The inner plug conductor in the plug is internally provided with an annular groove matched with and coupled to the outer socket conductor and an unlocking sleeve. The inner side of the annular groove is matched with the outer side of a socket-shaped groove in the radial direction, the satisfactory axial matching length is set, and the bottom of the annular groove is the mechanical benchmark face. According to the low-intermodulation compatible type connection radio frequency socket and plug, improvement is conducted on the mechanical benchmark face and electrical benchmark face separating design and contact outer conductor slotting design in the prior art, continuity of full-spectrum characteristic impedance and electric connectivity of a contact port are guaranteed, intermodulation interference and reflection coefficients are further lowered, and wider working bands and excellent return losses are achieved.

The invention discloses a construction method for a wind tower foundation. According to the technical scheme adopted by the invention, the wind tower foundation is constructed by adopting a structural raft board foundation, and the method comprises the following steps: setting a wind tower foundation position, carrying out earth excavation, arranging a foundation pad, laying a brick tire model and plastering, waterproofing the foundation, constructing a foundation waterproof protective layer, setting out the foundation, tying up reinforcement under a foundation bottom plate, pre-embedding and mounting tower crane fittings, tying up reinforcement on the foundation, mounting a steel plate water-stop plate and a formwork, carrying out concrete construction on the wind tower foundation, and carrying out texturing treatment and waterproof jointing-rolling treatment on a jointing-rolling surface of the wind tower foundation and a structural raft board. According to the construction method, construction processes are simplified, and the construction cost is reduced; and the wind tower foundation is integrated with the structural raft board, so that the stress is more uniform and safer.

The invention relates to an enterprise level mobile communication and wireless command dispatching exchange, which comprises a main exchanging module, a signaling processing module, a digital trunk module, a subscriber loop module, a voice dispatching module, a synchronous clock module, a system self-checking module, a soft exchanging module, a secondary power source module, a system maintenance module and a value-added service module. The most advanced telecommunication mobile exchange and wireless communication technology are combined with the traditional enterprise level fixed telephone program controlling exchanging technology in the dispatching exchange, the obsolete enterprise fixed telephone communication networks is provided with the most advanced the wireless communication, the technical gap on special network communicating products with foreign enterprises is shortened, and free charged and convenient special network mobile communication service can be enjoyed by more enterprises.

The invention relates to the technical field of stone plastic and particularly discloses a manufacturing method of a PVC marble-imitated plate. The method includes following steps of: smashing reclaimed materials of PVC products or templates to obtain a smashed PVC main material; adding ground calcium carbonate, precipitated calcium carbonate, a stabilizing agent, an ACR modifier, a CPE flexibilizer, titanium dioxide, stearic acid 1801 and paraffin into the PVC main material, mixing and stirring to obtain a mixture; adding the mixture into a twin-screw extruder, and extruding to obtain a PVC marble-imitated plate with a certain specification through an extrusion die head; cooling the PVC marble-imitated plate to obtain the formed PVC marble-imitated plate. The method is advantageous in that problems namely color fading and deformation, and the like, of stone plastic materials in traditional techniques are overcome; and the PVC marble-imitated plate has advantages of light weight, wear resistance, flame retardance, skid resistance, moisture resistance, and the like.

The invention discloses a self-absorption plastic floor and a manufacturing method thereof. The thickness of the self-absorption plastic floor is 3-5mm; the weight of the self-absorption plastic floor in per square meter is 5.7-9.5 kg; the self-absorption plastic floor comprises a plurality of base material layers; a surface layer is arranged on the top of the base material layer on the top of the self-absorption plastic floor; an elastic slip-proof film is arranged on the bottom of the base material layer on the bottom of the self-absorption plastic floor; a plurality of projections with grooves are arranged on the bottom of the elastic slip-proof film; the heights of the projections are the same; the base material layers contain filling materials; the filling materials are one or more than one of barite powder, quartz sand or silica fume; and the base material layers contain PVC (polyvinyl chloride) and glass fibers. The self-absorption plastic floor is manufactured by preparing the base material layers, compounding the base material layers and gluing the surface layer and the elastic slip-proof film to the base material layers.

The invention discloses a construction method of a wind tower foundation. According to the technical scheme, a structural raft foundation is used for constructing the wind tower foundation, and the method comprises the steps that the position of the wind tower foundation is formulated, earth excavation is carried out, the foundation is cushioned, brick tyre model laying and plastering are carried out, the foundation is subject to waterproof treatment, the foundation waterproof protection layer is formed, the foundation is subject to paying off, reinforcing steel bar binding is carried out below a foundation bottom plate, tower crane accessories are embedded and mounted, reinforcing steel bars on the foundation are bound, a steel plate waterstop belt and a mold plate are mounted, the wind tower foundation is subject to concrete construction, and the connected rubbing face of the wind tower foundation and a structural raft is subject to texturing treatment and waterproof connected rubbing treatment. According to the method, the construction procedure is simplified, construction cost is reduced, the wind tower foundation and the structural raft are of an integral structure, stress is more balanced, and safety is achieved.

The invention relates to a decorative paper surface gypsum board and a production method thereof, which mainly solve the technical difficulties of the traditional paper surface gypsum board, such as single surface colour, large labor intensity of workers, low production efficiency, and long construction period. The technical scheme of the invention is that: the decorative paper surface gypsum board comprises a paper surface gypsum board which is used as a base body, wherein the decorative paper surface gypsum board also comprises decorative paper and surface adhering glue; the board surface of the decorative paper surface gypsum board is coated with the surface adhering glue, and the decorative paper is pasted to the board surface of the decorative paper surface gypsum board which is coated with the surface adhering glue and bonded with the board surface together. The production method comprises the following steps of: cleaning the surface of the paper surface gypsum board and putting into the feed end of a surface adhering machine, and meanwhile, installing the decorative paper on a bracket of the surface adhering machine; and spreading the surface adhering glue to a glue spreader, uniformly spreading the surface adhering glue to the board surface by the glue spreader, and meanwhile, pasting the decorative paper to the board surface by continuous rolling, and then solidifying for 24 hours to accomplish the glue adhesion of the decorative paper.

The invention discloses a dam concrete steel formwork structure and a construction and installation method thereof. The steel formwork structure comprises a face plate and a truss assembly. The trussassembly comprises a first vertical bracing, a second vertical bracing and transverse bracings. The transverse bracings are in screw connection with the ends of the first vertical bracing and the second bracing through mounting plates to form a quadrangle structure. A plurality of inclined bracings are arranged at opposite angles of the quadrangle. Supporting legs are arranged below the first vertical bracing. Adjusting rods are arranged below the second vertical bracing. The adjusting rods are in screw connection with the mounting plates. A grid frame is arrayed on the side, close to the first vertical bracing, of the face plate. The grid frame is filled with a heat insulation material. The surface, far away from the first vertical bracing, of the face plate is coated with a release coating. The dam concrete steel formwork structure is simple, easy to adjust, stable and firm after installation in place, good in heat insulation effect and capable of adapting to pouring of concrete in different positions.

The invention provides a trackless trolley for transferring reinforcing mesh sheets of rock-fill dam panels and a construction method. A plurality of walking tire devices are arranged at the bottom ofa trolley frame, and the walking tire devices are connected with the trolley frame through a lifting mechanism. A plurality of liftable hooks are further arranged at the bottom of the trolley frame.The construction method comprises the following steps that when the walking tire devices of the trackless trolley transfers the reinforcing mesh sheets on post-poured blocks, through the cooperation of the lifting mechanism and the liftable hooks, the height of the trolley can be adjusted to adapt to a construction site, the liftable hooks hangs the reinforcing mesh sheets, the reinforcing mesh sheets are transported to setting positions by using the trolley, when the arrangement of the reinforcing mesh sheets of a current row is finished, the trackless trolley is moved to another row, and theabove steps are continued; and the transferring of the reinforcing mesh sheets can be realized by above steps. The liftable walking tire devices are arranged, the trackless trolley can be adapted tothe quick hanging and mounting, transferring and quick in-place installation construction of the reinforcing mesh sheets when the panel thickness is varied during the construction of first-poured blocks and the post-poured blocks of the panels.

The invention belongs to the field of security rescue equipment and particularly relates to a detachable high-rise rescue device. The detachable high-rise rescue device comprises a top blocking rod, a ball head connecting rod, center rods and a fixed base, wherein a plurality of center rods are arranged between the top blocking rod and the fixed base, and the top blocking rod is arranged at the upper part of the center rod at the top end; a plane is arranged on one side of the top blocking rod, and a fixed pulley is fixedly arranged on the other side of the top blocking rod; the bottom of the center rod at the bottom end is connected with the top of the ball head connecting rod, and a plurality of auxiliary fixing devices are arranged at the junction of the ball head connecting rod and the center rod; the auxiliary fixing devices are supported around the ball head connecting rod in a claw shape, a base is arranged at the bottom end of each auxiliary fixing device, and the bases and the fixed base are on the same plane. The rescue device can quickly and safely rescue trapped persons when a high-rise building has an accident and particularly has a fire, and can conduct an emergency rescue when the high-rise building has a fire or during an earthquake.

The invention particularly relates to a continuous annealing unit drying oven aluminized pipeline installation method. The method is characterized by comprising the steps of 1, optimal arrangement ofpipelines and supports; 2, segmented prefabrication of the pipelines; 3, welding and installation of the pipelines. According to the method, through the BIM technology, the arrangement of the pipelines and the supports is optimized, the optimal trend of the pipelines is determined, and the positions of the supports are precisely determined. By using the parameterization characteristics of a pipeline model, the pipelines are subjected to segmented prefabrication and then subjected to aluminizing treatment. During welding of the pipelines, the variety of welding rods is optimized, a positioningtool is made for pipeline assembly, and by using the one-side welding both-side formation technology, pipeline welding is conducted. During pipeline installation, a series of protective measures are adopted, it is ensured that the aluminized layers of the pipelines are not damaged. By using the installation method, the installation difficult of an aluminized pipeline is reduced, and the construction progress is expedited. The method as the advanced technology in the field of pipeline installation effectively solves the key technological problems during construction of the aluminized pipeline.

The invention discloses a roof panel assembly and a construction method thereof. The roof panel assembly comprises a plurality of single roof panels; the roof panels comprise the first roof panels andthe second roof panel, the first roof panels are roof panels at the two ends of the roof panel assembly, and the second roof panel is a roof panel at the middle part of the roof panel assembly; and one end of each first roof panel is rotatably connected with the end of the adjacent roof panel, and the two ends of the second roof panel are rotatably connected with the ends of the adjacent roof panels. The construction method comprises the steps of assembling, slide rail installation, hoisting, paving and fixing. The roof panel assembly can be conveyed to the roof through one-time hoisting, andthe hoisting cost is saved; and in addition, installation and construction of the roof panel can be quickly completed, the procedure is simple, time-saving and convenient, the construction time and manpower are greatly saved, the construction difficulty is reduced, the number of needed constructors is greatly reduced, and potential safety hazards existing in aerial work are avoided.

The invention discloses a new decorative door fabrication method. Transparent front and back Acrylic decorative plates are machined into a door-shaped structure; surface treatment is processed on the front and back Acrylic decorative plates; after that intermediate filler is injected through high pressure pouring into a frame which is composed of a wooden frame, the front and back Acrylic decorative plates; after cooling, oval muting bars are embedded into the lateral surfaces of the Acrylic decorative door; and finally the Acrylic decorative door is packed to obtain a finished product. The pattern, the color and the decorative design of a stoving varnish film, a PVC film or a transfer printed film of the decorative door can be diversified. The decorative door is nice-looking in appearance, with a smooth surface and strong crystal basso-relievo stereoeffect. The decorative door has strong market competitiveness and is luxurious and is not needed to be painted at site. The new decorative door mutes and insulates noises and is waterproof, dampproof, light in weight, high in strength, easy to process and simple and quick to install and can save cost.

The invention discloses a water supply pipeline pressure test process. The process comprises the steps of pressure test preparation, pipeline pressure test water injection, pipeline pressurization, standing observation and pressure test device dismounting. The pipeline assembly has the beneficial effects that the pressure gauges are installed on the main water pipe, the branch water pipes and the branch water pipes correspondingly so that the pressure values of all the pipelines of the whole pipeline assembly can be monitored, the accuracy of the monitored pressure values can be ensured, connecting pieces used for being connected with the pressure gauges do not need to be additionally installed on the pipelines, and rapid construction and installation are facilitated; the exhaust valve is installed at the water outlet end of the branch water pipe with the highest horizontal height, the stop valve is installed at the position of a pipe opening connected with the exhaust valve, air in the pipeline assembly can be exhausted in the water injection process, meanwhile, when water flows out of the exhaust valve, it is indicated that the pipeline assembly is filled with water, and then the branch water pipe can be plugged through the stop valve. And water injection cleaning is carried out on the pipeline assembly after pressure testing, and it is ensured that residual objects in the pipeline are cleaned up so that the pipeline can be delivered to a user for use.