47results about How to "Reduce construction difficulties" patented technology

The invention belongs to the technical field of building engineering and particularly relates to an integral assembling type building system and an installing method. The integral assembling type building system is characterized by comprising prefabricated steel reinforced concrete combination columns, prefabricated steel reinforced concrete combination beams, prefabricated reinforced concrete slabs, a prefabricated light integral inner wall and a prefabricated concrete heat preservation outer wall which are assembled together. The building system has the beneficial effects that all the members are prefabricated in a factory, quality is controlled conveniently, and the construction difficulty caused by outdoor weather changes can be reduced. Moreover, splicing is carried out on site, and installing is safe, fast and convenient. The recycle rate of formworks is high, work for the formworks and frame pipes on site is avoided, the number of times of use and consumption of the formworks and frame pipes are reduced, on-site labor is saved, the on-site dust raise phenomenon is improved substantially, the influence on the environment is small, and environmental pollution is reduced.

The invention relates to the technical field of power transmission, and particularly relates to a construction method of an inclined column type corrosion resistant foundation for a power line iron tower in a salt lake area. The construction method comprises the following steps of: 1) a foundation treating step; 2) a glass fiber reinforced plastic corrosion-resistant layer mounting step; 3) a steel foundation binding step; 4) a glass fiber reinforced plastic template supporting step; 5) a concreting step; 6) a glass fiber reinforced plastic sealing step; 7) a concrete maintaining and support structure removing step; and 8) a foundation pit backfilling step. The method provided by the invention is characterized in that compared with the conventional rigid straight column foundation, the center slope of the flexible-board inclined column type foundation is the same as the slope of major materials of tower legs of an upper power transmission line structure; as a result, the horizontal acting force on the top surface of the foundation and the bending moment acting on a foundation base plate are reduced, the integrated force condition of a main column and the base plate of the foundation is greatly improved, the lateral antidumping and anti-sliding stability of the foundation is enhanced, the designed dimension of the foundation is reduced and 5%-15% of concrete material quantity for a main foundation body is saved; and therefore, the economical efficiency is quite obvious; and the glass fiber reinforced plastic covered concrete foundation improves the corrosion resistance of the salt lake region. The schematic diagram of the construction method is shown in the following figure.

The invention provides an efficient gas extraction method for an up-and-down combined fracturing area of a broken soft low-permeability coal seam well. The method comprises the following steps that amining area main roadway or an operation roadway is formed under a coal mine, and a place is provided for construction operation and gas extraction; secondly, a group of directional long drill holes capable of covering a plurality of working surfaces of a mining area are constructed along a certain distance between a coal seam roof and a coal seam top boundary or between a coal seam floor and a coal seam bottom boundary under a coal mine; then, a roadway penetrating well communicates with the underground mining area main roadway or the operation roadway on the ground, so that a ground fracturing manifold is connected with a ground well-underground long drill hole high-pressure connecting device; and then staged fracturing construction is alternately carried out on the underground long drill hole of the coal mine through ground large-scale fracturing equipment, staged fracturing operation is mainly completed in an underground roadway, and finally grid-connected extraction is carried outthrough a special extraction pipeline for underground gas of the coal mine. According to the method, the transformation strength and the extraction effect of the underground broken soft low-permeability coal seam reservoir of the coal mine are effectively improved, and underground regionalized dead-corner-free low-cost efficient gas extraction of the coal mine is achieved.

The invention discloses an online monitoring platform for underground cable channels of urban power grids. The online monitoring platform comprises a monitoring center and a movable monitoring unit connected with the monitoring center, the movable monitoring unit comprises an overhead rail, a movable mechanism and a monitoring terminal, the overhead rail is arranged in a cable trench, the movable mechanism is arranged on the overhead rail, the monitoring terminal is arranged on the movable mechanism and comprises a sensor module, a control module, a video monitoring module and a first communication module, a positioning device, an ultrasonic rat repellent and a deinsectization device are arranged on the movable mechanism, the positioning device is connected with the monitoring center, and the sensor module comprises a temperature sensor, a humidity sensor, an open flame sensor, a combustible gas sensor and a water level sensor. According to the online monitoring platform, temperature, humidity, open flame, combustible gas and waterlogging in the cable trench can be monitored, a certain prediction functions are achieved by the aid of monitored information, and the cable trench can be visually monitored in real time.

The invention discloses a power cable fault positioning platform, including a cable fault detector arranged on a power cable, a signal back-transmission mechanism, a mobile monitoring station and a mobile monitoring unit. The mobile monitoring unit comprises an overhead track and a mobile mechanism wherein the mobile mechanism is provided with a monitoring terminal; the signal back-transmission mechanism comprises a communication line arranged in a cable conduit and a number of wireless receivers; the fault detector is provided with a first wireless communication module; the monitoring terminal comprises a control module, a second wireless communication module, a storage module, a sensor module, a video monitoring module and wireless emitters arranged correspondingly to the wireless receivers; and the mobile mechanism is provided with a plurality of fault positioning mechanisms through an ejection mechanism. The platform of the invention performs comprehensive monitoring to the cable fault through the real-time acquisition of online current by the fault detector and through the fault point positioning, allows the workmen to quickly find the specific fault position so as to realize the rapid maintenance to the fault point.

The invention belongs to the technical field of oil and gas well fracturing reconstruction, and particularly discloses a rupture starting sliding sleeve designed for oil and gas well multi-strata-series fracturing reconstruction. The rupture starting sliding sleeve comprises an upper connector and a lower connector which are connected through threads. A plurality of vertical long-strip-shaped fracturing ports are evenly formed in the pipe wall of the upper connector in the circumferential direction. A piston is installed inside the upper connector, and the fracturing ports are plugged by the piston. A rupture disk clamper is installed at the upper portion of the pipe wall of the upper connector and penetrates through the pipe wall of the upper connector. A rupture disk is installed at the end, located inside the upper connector, of the rupture disk clamper and is in a disk shape with the inner diameter the same as that of the upper connector. A spacer for spacing the upper connector is formed in the upper connector. The rupture disk is located at the upper portion of the piston. By means of the rupture starting sliding sleeve, first-stage fracturing during sleeve sliding sleeve multi-layer and multi-section fracturing construction can be achieved, perforation operation is avoided, the construction efficiency is improved, the construction cost is saved, and the construction difficulty and the construction risks are reduced.

The invention provides a fabricated building of a pre-assembling structure of a prefabricated section steel concrete shear wall. The building is provided with a structure preformed in a factory, and the preformed structure comprises section steel concrete shear walls, prefabricated section steel concrete beams, steel bar truss concrete slabs, prefabricated reinforced concrete stairs, light masonry partition walls, and prefabricated foam-concrete outer walls. The invention further provides a mounting method of the fabricated building of the pre-assembling structure of the prefabricated section steel concrete shear wall. The fabricated building disclosed by the invention is characterized in that all components are prefabricated in the factory, so that the quality of the components is convenient to control, and construction difficulties caused by the change of outdoor weather can be reduced. The fabricated building is assembled on site, and safe, rapid and convenient to mount; the recycling rate of templates is high, work about templates and tube frames is omitted on side, the use and the consumption of the templates and the tube frames are reduced, on-site workers are saved, and the phenomenon of on-site raise dust is greatly improved, so that the influence on environment is small, and the environmental pollution is reduced. The fabricated building disclosed by the invention is suitable for various houses and buildings, such as high-rises, small high-rises, garden houses and villas.

The invention discloses a porous plum-blossom-shaped pipe, and belongs to the technical field of high-molecular materials. The raw materials comprises the following substances in parts by weight: 45-55 parts of high-density polyethylene resin powder, 18-22 parts of low-density polyethylene resin powder, 4.5-5.5 parts of high-strength glass fiber, 0.45-0.55 parts of a property modification stabilizer, and 9-11 parts of a property modification filling material. The plum-blossom-shaped pipe is relatively smooth in inner wall, cables can directly pass through the pipe without using other utensils, and time and labor are saved; the plum-blossom-shaped pipe is resistant to acids and bases, resistant to salts and alkalis, resistant to corrosion, resistant to oxidation, resistant to ageing, suitable in structure, high in usage value, long in service life, green and environment-friendly, and helps to improve the construction speed and substantially reduce the construction cost of an engineering unit.

The invention belongs to the technical field of contaminated groundwater treatment, and more specifically relates to a method and system for remediation of contaminated groundwater by adopting horizontal transverse pipes arranged in a radiation type. According to the method provided by the invention, channel groups are arranged in the remediation areas of groundwater to place the transverse pipe groups, and the transverse pipe groups and a water collecting vertical shaft work together, so that the collection area of the groundwater can be greatly increased, the efficiency of collection and treatment of the groundwater can be effectively improved, the in-situ remediation treatment of deep groundwater can be realized, and the elevation range of groundwater treatment can be accurately controlled; the number of water supply vertical shafts can be greatly reduced, the construction costs can be reduced, and the construction difficulties and safety risks can be reduced; the problem that the elevation range of groundwater treatment is difficult to accurately control through a method of discharging the groundwater by adopting pipe well groups is overcome, and the difficulty that a permeablereactive barrier cannot repair the deep groundwater is overcome; and according to the method and system for remediation of the contaminated groundwater by adopting the horizontal transverse pipes arranged in the radiation type, the technical project quantity is small, the construction cost is low, the horizontal transverse pipes can collect and treat the groundwater for a long time after being driven under the ground, and the operation and maintenance costs in the later period are low.

The invention discloses an underground nuclear power station cooling vertical shaft. The underground nuclear power station cooling vertical shaft comprises a round-table-shaped vertical shaft body which is located in the mountain and provided with an opening in the upper portion, a water collection pool is arranged at the bottom of the vertical shaft body, and is provided with a cooling water outlet pipe and a blow off pipe, an air supply system for conveying cold air is arranged below an inner cavity of the vertical shaft body, a hot water distribution system connected with a condenser of a turbogenerator is arranged above the air supply system, input hot water is atomized and sprayed through the hot water distribution system, a cooling ventilation gallery communicated with the outer portion of the earth surface is arranged in the middle of the inner cavity of the vertical shaft body, and a mist eliminator is arranged on the upper portion of the inner cavity of the vertical shaft body. A vertical shaft structure is used for replacing a cooling tower structure, on the basis of the mist spraying cooling principle, hot water entering the cooling vertical shaft forms atomized micro particles, the hot water evaporation and heat absorbing process is enhanced, and through the air supply system, spiral cyclone is formed in the cooling vertical shaft, and heat exchange is enhanced. Meanwhile, arrangement of trickling fillers is abandoned, the cooling vertical shaft is structurally reduced greatly, and the construction and running cost is effectively reduced.

The invention discloses a mounting method of an assembled building. The mounting method includes: (1), performing foundation construction, and pre-burying a connecting plate; (2), mounting a prefabricated steel reinforced concrete shear wall; (3), mounting a prefabricated steel reinforced concrete beam; (4), mounting a prefabricated lightweight masonry partition wall; (5), mounting a prefabricated steel truss reinforced concrete slab; (6), mounting a prefabricated reinforced concrete staircase; (7), mounting a prefabricated steel reinforced concrete balcony; (8), mounting a prefabricated steel reinforced concrete air conditioner plate; (9), mounting a prefabricated foam concrete heat-insulating exterior wall; (10), mounting a previous section of the prefabricated steel reinforced concrete shear wall; (11), repeating the steps (2)-(10) to complete mounting of each floor of the building; (12), after each floor of the building is mounted, mounting doors and windows of each floor of the building in a unified manner. The mounting method completely adopts prefabricated components, thereby having the advantages of environment friendliness, energy conservation and green construction.

The invention discloses a high-speed maglev track and bridge beam part structure containing a longitudinal-cross beam type track section. The high-speed maglev track and bridge beam part structure includes a concrete beam (1) and a rail supporting table (2) arranged at the top of the concrete beam (1), and further includes the longitudinal-cross beam type track section which is installed on the rail supporting table (2) through a fastener system (3), and includes two longitudinal beams arranged in the circuit direction and a plurality of cross beams arranged in the direction perpendicular to acircuit; and the cross beams include track section cross beam top plates (4), track section cross beam bottom plates (5) and track section cross beam web plates (6), and the longitudinal beam includes sliding top plates (7) of track functional parts, magnetic guiding plates (8) of track functional parts, track section longitudinal beam web plates (9) and pi-shaped steel (10). According to the structure, the track structure is completely separated from the bridge structure, a longitudinal-cross beam type track section rail is used, the precision in all directions can be precisely positioned bythe post-cast rail supporting table during construction, and during operation and maintenance, the rail elevation can be adjusted through the fastener system.

The invention provides a hybrid structure prefabricated toilet for a prefabricated building and a manufacturing method thereof. The toilet comprises a wall unit, a sewage main riser, and a bottom plate unit fixedly connected with a steel beam or a superposed beam. During operation, the bottom plate unit is fixedly connected with the steel beam or the superposed beam through connecting pieces I. The bottom plate unit is connected with a floor through cast-in-place nodes. A wallboard is fixedly connected with the bottom plate unit through the matching of a connecting plate II and a correspondingconnecting plate I. The sewage main riser penetrates through and is fixedly connected to the bottom plate unit. The manufacturing method of the toilet includes the steps of scheme design, prefabricating the bottom plate unit, prefabricating the wallboard, transportation to the site, assembling and pouring floors and the like. The toilet can reduce construction difficulties caused by weather changes, is convenient and quick to install, and has good anti-leakage performance.

The invention discloses an iron tower cable support fixing device, characterized in that the upper portion and the lower portion on the inner side of a first connecting angle steel are respectively provided with a first bended plate and a second bended plate through a first bolt, and the upper portion and the lower portion on the inner side of a second connecting angle steel are also respectively provided with a first bended plate and a second bended plate through a first bolt; the other ends of the first bended plate and the second bended plate are connected through a second bolt; a cable support angle steel is connected between one end of the first connecting angle steel and one end of the second connecting angle steel. According to the invention, the iron tower cable support fixing device is in connection with the angle steels on an iron tower, and can effectively support cables. The iron tower cable support fixing device can be applied to any part of the iron tower, flexibly adjust a fixing position, enhance structure stability, reduce construction difficulties, and greatly improve work efficiency and safe performance.

The invention discloses wireless transmission communication equipment, method and system. The equipment is used for establishing a wireless communication network between a base station and a base station controller, and comprises a processing module, a network interface module, a communication encryption and decryption module, a memory module, a first wireless communication module, a second communication module and an antenna feeder module, wherein the network interface module is connected with the base station or the base station controller and used for performing protocol conversion on data transmitted by the base station or the base station controller; the communication encryption and decryption module is used for encrypting or decrypting the data after being performed protocol conversion by the network interface module; the first wireless communication module is used for receiving data transmitted by other wireless transmission devices through the antenna feeder module; and the second wireless communication module is used for forwarding data processed by the communication encryption and decryption module to other wireless transmission communication equipment through the antenna feeder module. The wireless transmission communication equipment, method and system provided by the invention solve the problems of difficult construction, high cost, large environmental disruption, data transmission security and so on in the existing base station subsystem.