40results about How to "Strong turnover" patented technology

The invention provides a construction technology of one-time molding of concrete pouring on the top of a construction column and a construction device thereof. The construction device comprises a concrete beam plate, a reinforcement cage and a first construction column template; the reinforcement cage is arranged on the lower portion of the concrete beam plate, and the reinforcement cage is connected with the concrete beam plate in an anchoring mode; a first construction column template and a second construction column template are correspondingly arranged on two sides of a wall body; and template wood beams are arranged on the outer sides of the first construction column template and the second construction column template. Through improvement of the construction technology of the one-time molding of the concrete pouring on the top of the construction column and the construction device thereof, the construction column being cast and molded at one time is realized; and the protruded concrete at the feed opening portion at the top end does not need to be chiseled. The construction technology and the construction device have the advantages that the operation is convenient, the pouring quality is excellent, recycle is convenient, manpower is saved, the construction cost is lowered and the construction period is shortened, and therefore the problem and the defect in the backgroundtechnology are effectively solved.

The invention relates to the technical field of boards, in particular to a reinforced composite board and a production technology thereof. The reinforced composite board comprises a color steel plate layer formed by a steel plate which is subjected to baking varnish treatment, and a fireproof material layer compounded on the color steel plate layer; and is characterized in that at least one reinforced rib layer is arranged between the color steel plate layer and the fireproof material layer or inside the fireproof material layer. The invention has the beneficial effects that the structure is novel and simple, and the original board is internally additionally provided with the reinforced rib layer, thus greatly improving tensile property and toughness and using strength of boards, preventing cracking of core material caused by heat expansion and cold contraction, transportation, installation and the like, improving the repeated using property of a product, achieving the purpose of saving energy, and having the advantages of green and environmental protection property, non-ignitable property and fire resistance, high efficiency and heat insulation, ventilation and mould resistance, water resistance, good weather resistance, strong revolving capability and the like; in addition, the production technology is simple, the cost is low, and the properties are good, thus being widely applied to the fields of temporary buildings, road sound-proof walls, refrigeration, freezing storehouses and the like.

The invention provides a material storing device for constructional engineering and belongs to the technical field of building construction. A supporting frame comprises at least four supporting bodies; each supporting body comprises a pedestal and an upright post; each upright post is provided with a plurality of sleeves; the upper part of each upright post is provided with an angle regulating device; each set of storing unit comprises a cross brace, a lifting ring and a universal wheel; the two ends of each cross brace horizontally extend toward the outer side to form horizontal rods; the end part of each horizontal rod is bent downwards to form a vertical rod; every two lifting rings are correspondingly arranged on the horizontal rods at the two ends of the corresponding cross brace; the universal wheels are arranged at the bottoms of the cross braces in a spaced manner; the vertical rods at the two ends of each storing unit are correspondingly inserted into the sleeves of the upright posts which are arranged oppositely; a shielding device comprises a controller, an alarming machine and two shielding plates; the top of each shielding plate is provided with a humidity sensor; oneshielding plate is connected with the angle regulating device on the upright post at one side; and the other shielding plate is connected with the angle regulating device on the upright post at the other side. The material storing device is reasonable in structure, realizes classified storage of building materials and lowers the engineering cost investment.

The invention discloses a building plastic formwork and a preparation method thereof. The formwork consists of an upper layer, a lower layer and a middle layer, wherein the upper layer and the lower layer are both prepared from co-polypropylene, the middle layer is prepared from the following raw materials in percentage by weight: 25%-35% of polyethylene, 37.5%-45% of co-polypropylene, 18%-25% of polypropylene fiber, 3%-7% of calcium-magnesium powder and 1.5%-3% of a defoaming agent. The preparation method comprises the following steps: 1), mixing raw materials of the middle layer uniformly; 2), loading the uniformly mixed raw materials in step 1) for plastification; 3), performing plastification on co-polypropylene and performing vertical dividing; 4), performing extrusion forming on extruded and plastified materials in step 2) and materials subjected to dividing in step 3) simultaneously, cooling and polishing, and making air holes and nail holes, naturally cooling after punching, and finally performing edge cutting, shaping and dimensioning. The building plastic formwork has the advantages that good waterproofness, wear resistance, toughness, high stress resistance, high easiness in demoulding are realized, and the formwork can be repeatedly used and recycled. The preparation method is simple in process, low in preparation cost and suitable for industrial production.

The invention relates to a large-scale bridge support grouting formwork frame which is characterized by mainly comprising four formworks. A grouting die cavity is formed by connecting the four formworks in an enclosing and fastening mode. A rotary bridge support supporting mechanism is arranged on the upper surfaces of at least on pair of opposite formworks. The rotary bridge support supporting mechanism is provided with a rotary limiting device and a lifting adjusting mechanism. The bridge support supporting mechanism is adjustably installed on an upper installation plate. Fine adjustment bottom feet are arranged at the four corners of the formwork frame. By the adoption of the technical scheme, in the actual construction process, support axis and plane elevation adjustment can be achieved at a time, bridge support grouting procedure construction is smoothly carried out, repeated adjustment operations and working procedure interference are avoided, and working efficiency is improved; in addition, the large-scale bridge support grouting formwork frame further has the advantages of being high in circulation performance, convenient to assemble and disassemble, firm, reliable, easy and convenient to operate, high in construction control precision and the like.

The invention relates to road surface equipment, and especially relates to a temporary emergency road surface equipment unite plate body and the road surface equipment. The temporary emergency road surface equipment unite plate body comprises a road surface plate basal body, wherein the road surface plate basal body comprises a frame which is formed by two crosswise side plates and two lengthwise side plates; at least one group of one-way or two-way cross black metal fillets are arranged in the frame, and a concrete layer is integrally poured in the frame; four turnings and four corners of the frame are fixedly provided with connecting plates with mounting holes, or the frame is provided with four extending ends; the four extending ends are provided with mounting holes, when one group of fillets are adopted, the one group of fillets are close to the lower surface of the frame, and when two or more groups of fillets are adopted, two groups of the two or more groups of fillets are close to the upper and lower surfaces of the frame respectively; and the road surface equipment comprises multiple road surface plate basal bodies which are transversely or longitudinally spliced and then fixedly connected. The plate body and the road surface equipment provided by the invention are recycled, the energy is saved, the construction cost is reduced, further the service life of a road surface plate is prolonged, the environmental secondary pollution problem of concrete waste is effectively solved, and the construction is simple, thereby being suitable for the rapid installation, and being beneficial to popularization implement.

The invention provides a detachable lifting device for a door-like mast building and a construction method of the lifting device. The lifting device comprises a base fixed to a foundation structure, a door-like mast rotatably connected to the base, a lifting mechanism mounted on the door-like mast and connected to equipment required to be hoisted and a pull adjusting mechanism connected to the door-like mast, the included angle between the door-like mast and the base is adjusted through pulling of the door-like mast so that the door-like mast is lifted. The lifting mechanism on the door-like mast is used for fixing the equipment required to be lifted and hoisted; the door-like mast is pulled through the pull adjusting mechanism, and the equipment is lifted; and the detachable lifting device is simple and stable in structure, all components can be adjusted according to actual construction sites, and compared with a traditional single-arm lifting structure, the door-like mast is more stable.

The invention discloses a quick formwork supporting device. The quick formwork supporting device comprises vertical and symmetric formworks (1), wherein a plurality of supporting devices for supporting the formworks (1) are longitudinally arranged among the formworks (1); the adjacent supporting devices are connected to one another through connecting rods (2); and two ends of each supporting device are respectively connected with the formworks (1) on two sides of the supporting device. The quick formwork supporting device has the advantages of skillful structural design, convenience in use, high adaptability, safety and reliability; supporting and withdrawing of the supporting device can be realized by rotation of a screw; and universality and transferring ability are high, loss in a using process is reduced greatly, construction cost is saved, and benefits are improved.

The invention provides a material storing device for constructional engineering and belongs to the technical field of building construction. A supporting frame comprises at least four supporting bodies; each supporting body comprises a pedestal and an upright post; each upright post is provided with a plurality of sleeves; the upper part of each upright post is provided with an angle regulating device; each set of storing unit comprises a cross brace, a lifting ring and a universal wheel; the two ends of each cross brace horizontally extend toward the outer side to form horizontal rods; the end part of each horizontal rod is bent downwards to form a vertical rod; every two lifting rings are correspondingly arranged on the horizontal rods at the two ends of the corresponding cross brace; the universal wheels are arranged at the bottoms of the cross braces in a spaced manner; the vertical rods at the two ends of each storing unit are correspondingly inserted into the sleeves of the upright posts which are arranged oppositely; a shielding device comprises a controller, an alarming machine and two shielding plates; the top of each shielding plate is provided with a humidity sensor; oneshielding plate is connected with the angle regulating device on the upright post at one side; and the other shielding plate is connected with the angle regulating device on the upright post at the other side. The material storing device is reasonable in structure, realizes classified storage of building materials and lowers the engineering cost investment.

The invention relates to self-installation and disassembly equipment for a cement decompression cone formwork, which belongs to the technical field of building structures. Including central jacking, integral jacking mechanism, slewing assembly, top fixed platform, length-adjustable balance arm and formwork self-installation and dismantling trolley. The overall jacking mechanism is mainly composed of the outer frame of the jacking sleeve, the jacking locking device, the hydraulic jack, the reversing track of the jacking locking device, the introduction and extraction mechanism of the central jacking standard section, the external operating platform and the channel; the rotary assembly From bottom to top, it consists of a base, a slewing mechanism, and an upper support seat; the top fixed platform is composed of the fixed platform top support and the surrounding cantilevered platform modules; Disassemble the lifting platform to form. The invention effectively solves the problems of complex construction, long construction period and large consumption of turnover materials respectively existing in the two decompression cone construction technologies in the current cement industry.

The invention discloses a lighting lamp holder. The lighting lamp holder comprises a base, a telescopic frame, a lamp holder body and a lighting lamp. A chute is fixedly formed in the base, a pulley is arranged in the chute in a sliding mode through a transmission mechanism, and the transmission mechanism drives the pulley to linearly move along the chute. The telescopic frame is erected on the base and fixedly connected to the pulley, and the telescopic frame is driven by the pulley to ascend and descend. The lamp holder body is fixedly arranged at the top of the telescopic frame. The lighting lamp is fixedly arranged on the lamp holder body. According to the lighting lamp holder, the pulley is driven by the transmission mechanism to linearly move along the chute, the telescopic frame is further driven by the pulley to ascend and descend, and then lighting lamp holder can stretch out and contract. The lighting lamp holder is easy and convenient to assemble on a construction site, flexible to apply, easy to operate, convenient to use and high in circulation performance, resources are saved, manufacturing cost is reduced, and the requirements of green construction are met.

The invention relates to an elevator shaft anti-falling net structure and a construction process thereof. The elevator shaft anti-falling net structure comprises an anti-falling net and connectors, wherein the four sides of the anti-falling net are provided with connecting rings; each connector comprises a connecting bolt and a casing pipe which are cooperatively connected; one end of each connecting bolt is provided with a connecting ring hanging groove; the other end of each connecting bolt is provided with an outer thread and connected with a nut. The casing pipes are inserted into originalformwork screw rod reserved holes of an elevator shaft, and the connecting rings are arranged on the connecting ring hanging grooves and are tightly matched and fixed by the casing pipes. By applyinga limiting structure and adopting the original formwork screw rod reserved holes of the elevator shaft as connecting points, the steps of pre-embedding reinforcing steel bars, inserting expansion bolts and the like are omitted, the casing pipes are pushed into the elevator shaft from the outside through the connecting bolts, the connecting rings on the anti-falling net are hung into the connecting ring hanging grooves, and then the connecting ring hanging grooves are sleeved with the casing pipes to ensure the structural stability. During construction, constructors do not need to enter the elevator shaft for construction, so that the effects are achieved that the construction process is simple and convenient, construction is safe, and the strength is reliable.

The invention discloses a Larsen steel sheet pile supporting structure comprising a plurality of Larsen steel sheet pile bodies driven into a soil body. The multiple Larsen steel sheet pile bodies form two rows of structures arranged in parallel, each row of Larsen steel sheet pile bodies are provided with surrounding purlins, and a plurality of support structure bodies are arranged between the opposite side faces of the two rows of surrounding purlins; each support structure body comprises a support rod and a sleeve, each support rod is loaded into the corresponding sleeve, and the relative length can be adjusted; and the technical problems that in the prior art, construction of the support structures is complicated, the influence of the installation process on the environment is low, theinstallation efficiency is low, and transfer and use are not prone to achievement are solved.

The invention provides an elevator shaft template construction method, platform and support. The elevator shaft template construction platform and support are simple to produce, convenient in material selection, safe, reliable, low in engineering cost, saving in resources and capable of shortening the construction period. The triangular construction support is formed by a large slanting rod, a small slanting rod and a vertical rod. A forked support seat capable of rotating horizontally is arranged at the upper end of the vertical rod. A one-way crab claw is arranged at the connection position of the vertical rod and the small slanting rod. One or a plurality of two-section square bars are horizontally arranged between the large slanting rod and the vertical rod in tensioning mode.

The invention relates to an attaching and climbing device of a full steel climbing frame in a structure retraction part and an installation method thereof, and particularly relates to the field of building construction. The attaching and climbing device comprises a steel vertical column, a bottom cantilever beam, attaching support seats and climbing hanging parts. The installation method of the device comprises the following parts of welding the steel vertical column at the end part of the bottom cantilever beam on a lower structure slab, welding a bottom diagonal brace between the bottom cantilever beam and the steel vertical column, welding an upper pull rod and an upper diagonal brace between the steel support column and a connecting embedding part in the structure slab at the retraction part, respectively fixing the attaching support seats at the upper and lower parts of the steel vertical column by screw rods, respectively fixing the climbing hanging parts at the upper and lower side edges of the steel vertical column by square connecting parts, correspondingly arranging a plurality of groups of steel vertical columns according to the number of guide rails of the full steel climbing frame, and welding and connecting the steel vertical columns into a whole by horizontal connecting rods and crossing connecting rods, so that the climbing construction of the full steel climbing frame is smoothly performed by the attaching and climbing device at the structure retraction part. The attaching and climbing device has the advantages that the construction is easy, the safety is good, the cost is low, the construction period is short, and the repeated use is realized.

The invention discloses an adjustable elevator shaft opening anti-falling platform, the length of a plurality of square steel main keels is adjustable, one end of each square steel main keel is connected with an L-shaped embedded part, the L-shaped embedded parts are embedded before opening concrete pouring, and the other ends of the square steel main keels abut against a wall and are obliquely arranged; a plurality of secondary keel battens are connected to the square steel main keel in a clamped mode, a surface layer formwork is arranged on the top faces of the secondary keel battens, the square steel main keel and an L-shaped embedded part can be rotationally installed through a locking bolt, and after the square steel main keel and the L-shaped embedded part are rotationally installed in place, gaskets on the two sides are added for bolt connection. The ends, close to the wall, of the square steel main keels are wrapped and nested through end anti-skid rubber pads, end friction can be increased, damage to the wall can be reduced, the included angle between the whole anti-falling platform and a floor ranges from 5 degrees to 10 degrees, the ends of the square steel main keels make contact with the wall, an angle is formed, large friction force is generated, and the anti-falling effect is improved. Therefore, the friction force and the anchoring section are jointly stressed to maintain the stability of the whole anti-falling platform.

The present invention belongs to the field of construction, and concretely relates to a construction tool for manufacturing enclosing wall copings. The construction tool comprises an angle iron die and a fixture; the angle iron die comprises a first plate body which is perpendicular to an external wall of a wall body and arranged in a horizontal direction, and a second plate body which is away from the external wall of the wall body and disposed on the first plate body; a raised line for forming a larmier at a bottom face of an enclosing wall coping is arranged at an inner side of the angle iron die and on the plate face of the first plate body; the fixture comprises a first clamping arm and a second clamping arm which can be clamped onto the wall body in a thickness direction of the wall body; and a locking and fixing mechanism for fastening and fixing the angle iron die onto the external wall of the wall body is disposed on the first clamping arm and / or the second clamping arm. With adoption of the above fixture, the angle iron die can be effectively installed and positioned during pouring, integral forming of the larmier and the enclosing wall coping is realized, and the appearance of the enclosing wall coping is attractive. The construction tool is simple in structure, excellent in turnover performance and convenient to assemble and disassemble.