49results about How to "Construction saves time and effort" patented technology

The invention discloses a multi-layer long-span public building, an industrial plant assembling integral box type structure and the manufacture method thereof, in advance, a planar type latticed steel open web girder is formed by connecting steel open web girders of all floor systems of all floors, namely all steel open web girders are connected to be latticed orthogonally, then latticed steel open web girders of all the floor systems of all floors are connected with an orthotropic and spatial steel latticed wall shelf, during connection, each open web girder is enabled to form an included angle of 45 degrees with the plane of the orthotropic and spatial steel latticed wall shelf, a planar type latticed steel open web girder which is formed by connecting orthogonally is connected with the orthotropic and spatial steel latticed wall shelf in a way of inclined placement at an angle of 45 degrees, namely an orthotropic inclined placement steel open web beam latticed floor system, and the orthotropic inclined placement steel open web beam latticed floor system is connected with an orthotropic right placement steel latticed wall shelf, namely an orthotropic inclined placement multi-layer spatial steel latticed box type building structure. According to the invention, advantages of low steel dosage and the like are achieved.

The invention relates to a single-phase ground fault locating method based on zero sequence voltage starting. Zero sequence voltage is adopted as a single-phase ground fault break variable starting component, when a ground fault appears, a bus zero sequence voltage starting device can record zero sequence voltage waveforms at the break moment T, three-phase current waveforms of all high-precisiontransient wave recording type fault indicators installed along a transformer substation outgoing line at the same moment are called, and finally fault positioning is achieved based on wide area synchronous information. The purpose of single-phase ground fault locating in an existing power distribution network is achieved.

The invention discloses a precast spliced concrete slab wall body, which comprises an inner wall panel, an outer wall panel and an intermediate concrete layer. The inner wall panel and the outer wall panel are formed by splicing precast concrete slabs, the middle part of the concrete layer is provided with a steel reinforced frame, the steel reinforced frame is arranged along the whole length direction of the wall body and is connected with a bearing component on the wall edge, and horizontal steel wires are arranged at certain intervals along the height direction of the steel reinforced frame; and the inner surfaces of the inner wall panel and the outer wall panel are respectively provided with a prismatic table type bulge, and positioning steel wires parallel to the plate direction penetrate out of the prismatic table, are arranged in a triangular shape and are in clamping connection with the horizontal steel wires in the steel reinforced frame of the wall body. The invention has the advantages of good wall integrity, convenient construction, no need for formwork removal, low average density and good thermal insulation performance. Moreover, for the wall body constructed in the method, the manufacturing cost per unit area can be reduced.

The invention relates to a ceramic tile building block, which is characterized in that a splayed inclined edge is arranged in the middle of a horizontal hooked character stroke for forming a ceramic tile in a shape shown as the accompanying drawing, or the splayed inclined edge is arranged in the middle of a stroke formed by a right-falling character stroke and the horizontal hooked character stroke to form a ceramic tile in a shape shown as the accompanying drawing; after a metal strip in a shape like a Chinese character 'yu' is inserted into the back surface of the ceramic tile, the ceramic tile is put into a building block moulding press to be pressed together with a mixture of mineral slag, cement gel liquid and glass fiber short strips; the ceramic tile edge and acute angle spaces at the upper side of the ceramic tile building block can be firmly integrated with cement mortar; a plurality of trapezoidal spaces are formed in the built inner wall surface; hollowing and cracking phenomena cannot occur after cement mortar painting; the formed ceramic surface cannot generate loosening, falling or unexpected people injury phenomena; and the time and the labor are saved during construction.

The invention provides a recoverable and modular deep foundation pit construction process, a recoverable module and a deep foundation pit support and belongs to the technical field of deep foundation pit excavation and supporting. The process comprises the following steps that a foundation pit is dug down; a first anchor cable hole is formed, a first anchor cable is put in, and a grouting stop plug is installed for grouting; a second anchor cable hole is formed, a second anchor cable is put in, and a grouting stop plug is installed for grouting; modules and connecting fasteners are installed; a prestressing force is exerted to the first anchor cable and the second anchor cable to for a first layer of supporting; the operations are repeated to form multiple layers of supporting; modules, anchor cables and connecting fasteners of the last layer of supporting are recovered, soil is backfilled to the bottom surface of the second layer of supporting till the first layer of supporting is recovered. A soil body surrounding a deep foundation pit is supported and retained by adopting the modules and anchor cables jointly, the modules can be recycled, and materials waste and construction cost are reduced.

The invention discloses a collection device and a construction method for an external hanging scaffolding system at the corner of an integral steel platform, which belongs to the field of super high-rise building construction, and solves the problem that the existing super high-rise core tube wall is closed outside the corner of the integral steel platform. The technical problem that the hanger cannot collect points at the same time. The retracting device includes a pair of orthogonally superimposed translating guide rail beams and retracting guide rail beams, the upper flange of the translating guide rail beams is closely fixed to the lower flange of the steel girder at the corner of the integral steel platform, and the retracting guide rail beams are It is arranged perpendicular to the direction of the translating guide rail beam and located below it, and the two are connected through the orthogonal superposition of the sliding node 1, and the external scaffolding system is connected with the retracting guide rail beam through the sliding node 2; The receiving guide rail beam can move in translation along the translation guide rail beam in the direction of the steel girder at the corner of the overall steel platform; with the help of the second sliding node, the external scaffolding system can move along the retracting guide rail beam to the inner direction of the core tube wall.

The invention discloses an assembling integrated type window frame for a steel structure, and a construction method of the assembling integrated type window frame. The construction method comprises the following steps: producing components of the assembling integrated type window frame in a factory in advance and in batches; setting a clamping groove in the outer side of each component; conveying the components to an industrial or civil building construction site of the steel structure which is manufactured; and taking a hole of each steel grid consisting of vertical H-shaped steel and transverse H-shaped steel of a wall structure of the steel structure as a position where the building needs to open a window, buckling the clamping groove of each component on the H-shaped steel forming the hole, and pouring fine aggregate concrete into the clamping grooves of upper window frame and lower window frame components of the assembling integrated type window frame, so that the assembling integrated type window frame and the steel grid H-shaped steel of the steel structure can be connected into a whole, and construction of the assembling integrated type window frame for the steel structure is finished. The assembling integrated type window frame for the steel structure, and the construction method of the assembling integrated type window frame have the advantages of low manufacturing cost, easiness in manufacturing and construction, high production efficiency, high quality, long service life, high fireproof performance, avoidance of environmental pollution and the like.

Indoor wall stone cladding comprises stone slabs, I-shaped steel racks, cladding glue, expansion screws, a wall and wall top corners. The I-shaped steel racks are vertically arranged and fixed to the wall with the expansion screws, the upper edges of vertical supports on the I-shaped steel racks are removed, grooves corresponding to the I-shaped steel racks are pre-cut in left and right sides of the stone slabs, inner terraces of these grooves need gaps for the vertical supports of the I-shaped steel racks to be cut, the stone slabs are wrapped and hoisted with strips during installation, the cladding glue is spread in the grooves, the stone slabs are inserted along two I-shaped steel racks into their opposing upper edges and lowered down, the strips are removed, with respect to the stone slabs at the wall top corners, the back of each stone slab can be cut gaps in left and right sides, and the stone slabs are pasted and fixed directly to the vertical supports of the I-shaped steel racks with the cladding glue.

The invention relates to a disconnection fault detection method based on a wide-area synchronous intelligent sensor. Three-phase current amplitude and phase periodically reported by a wide-area synchronous intelligent sensor are monitored in real time; once obvious disconnection fault characteristics occur, three-phase current waveforms of all wide-area synchronous intelligent sensors installed along a fault line with the disconnection characteristics at the current moment are called, automatic verification and confirmation are carried out, and finally a disconnection fault is detected and positioned. The method solves the problems of disconnection fault detection and positioning of the power distribution network at present.

The invention discloses an indoor wall surface stone dry hanging method. According to the method, box iron is provided with an edge which is overturned outward, in another word, the channel iron is flanging box iron, the flanging box iron is vertically arranged, and expansion screws are arranged in grooves, so that the flanging box iron is fixed to the wall surface, in the installation process, a stone board is carried and hung with strips, the left side and the right side of the stone board are installed in a space between the edges, opposite to the stone board, of the upper ends of the two flanging box iron parts and the wall surface, dry hanging glue is applied to the position where a stone board is placed, the stone board is placed therein, the strips are drawn out, adjustment and alignment are conducted, and finally, the flanging box iron is decorated and sealed up with caulking plaster.

The invention discloses a process method for insulation attaching type bonding of a large-scale motor rotor magnetic pole body. The method is an innovation of a large-scale motor rotor magnetic pole body insulation bonding method, and the bonding area is effectively increased through the ultra-flat treatment of the edge gaps between the magnetic pole punching sheets and the core-penetrating screwwelding holes. During wrapping, the insulation paper is wound at an included angle of more than 30 degrees with the surface of the pole body, and a smoothing scraper and a magnetic cake support are combined to form smoothing extrusion propulsion, so that bubbles generated in the insulation layer are effectively reduced. According to the invention, mold shaping treatment is adopted, so that pole body insulation bonding is tighter. The pole body is insulated, heated and cured, so that the coating glue is accelerated to be cured, the mold is removed as soon as possible, and the mold use efficiency is improved. And the angle insulation adopts a glue brushing treatment mode, so that the construction is time-saving and labor-saving. And the integrity of pole body insulation bonding is improved,and the quality stability of the pole body is ensured. The method is a novel technical scheme which is high in practicability, simple and convenient to operate, cost-reducing, efficiency-increasing and easy to popularize.

The invention relates to a mounting tool for a coke oven sleeve, comprising an adjustment disc. The mounting tool is characterized in that the adjustment disc is a round lug boss part and has the thickness of 8-12 mm and the diameter same as the outer diameter of a sleeve to be mounted; the bottom part of the round lug boss part is a round lug boss with a stepped surface, the round lug boss part and the round lug boss are concentrically arranged, the diameter of the round lug boss is smaller than the inner diameter of the sleeve to be mounted, and the round lug boss has the height of equal to or more than 4mm so that the round lug boss of the round lug boss part can be mounted in the sleeve; and a central alignment point with the diameter of 2mm is arranged at the top part of the round lug boss part. The mounting tool for the coke oven sleeve and an application of the mounting tool for the coke oven sleeve disclosed by the invention have the advantages that the adjustment disc is simple in structure and convenient to manufacture; due to the use of the adjustment disc, the construction process is simple, the procedure is simplified, efficiency is improved and the entire construction is time-saving and labor-saving.

The invention discloses a membrane panel structure being easy to exhaust and convenient to glue, which is characterized in that the back of the membrane panel is provided with a plurality of raised plate-form structures which are made by viscose glue and are not connected with each other, the raised plate can be in a round shape, a square shape and other shapes, and the original whole panel is replaced by the raised plates so as to make the gap between the raised plates become an exhaust passage when in gluing. Adopting the structure, when gluing the panel on the product surface, air can easily flow along the gap, and can not congregate to form cockle, thus avoiding the bubbling phenomena, the level gluing surface can be formed, the construction process is time and labor saving, and the membrane panel has better effect when gluing the membrane with larger width.

The invention discloses an indoor wall surface stone dry installation method. According to the method, box iron is provided with an edge which is overturned outward, in another word, the channel iron is flanging box iron, in the installation process, single H-shaped steel frames are vertically arranged from one end of the wall surface and horizontally fixed to the wall surface, dry hanging glue is applied to the position where a stone board is placed, then the stone board is placed in the ends of the two strips of flanging box iron and corresponds to the upper edges of the flanging box ion, the stone board is pushed to the end with hand, adjusted and aligned, after installation is completed, the corresponding single H-shaped steel frame is vertically arranged and fixed to the wall surface with joints arranged horizontally, the stone board is installed therein in a sleeved mode, when the stone board is installed to the other end of the wall surface, a section is removed from the upper edge located above a vertical support of the end of the corresponding box iron, then the stone board is placed therein in a sleeved mode from the section, finally, for the section, the stone board is directly bonded and fixed to the vertical support opposite to the space between the two strips of flanging box iron and the wall surface, and after installation is completed, finally, the flanging box iron is decorated and sealed up with caulking plaster.

The invention provides a 10-kilovolt full-poured medium-voltage bus which comprises a three-phase conductor and an insulator. The three-phase conductor is arranged in the insulator appropriately in parallel, the insulator is formed through full pouring, a plurality of rectangular radiating holes are formed between phases of the three-phase conductor, the length of each rectangular radiating hole is 940 millimeters, the width of each rectangular radiating hole is 80 millimeters, semicircle radiating holes are formed in the two ends of the three-phase conductor, and the diameter of each semicircle radiating hole is 80 millimeters. The distance between the rectangular radiating holes is increased to 120mm, so that the radiating volume is improved, and thermal stability and dynamic stability endurance are improved. Meanwhile, the radiating volume is improved by more than 260%, so that the copper using amount is reduced and energy conversation is achieved. In addition, the whole pouring amount is reduced, the whole weight of an assembly is relatively reduced, and time and labor are saved in construction and supporting of a hanging bracket.