19results about How to "High turnover" patented technology

The utility model relates to the technical field of bridge construction hanging baskets, in particular to a bridge moving hanging basket device for bridge construction, which comprises a base fixedly connected with a plurality of self-locking rollers; the hanging basket mechanism is arranged on the base and comprises a supporting column, the supporting column is fixedly connected to the base, a supporting plate is fixedly connected to the supporting column, two telescopic rods are fixedly connected to the supporting plate in a penetrating mode, connecting blocks are fixedly connected to the telescopic rods, and a connecting frame is fixedly connected to the two connecting blocks; through cooperation of the base and the self-locking rolling wheels, the whole device can be conveniently moved, through cooperation of a motor, a pull rope and the like, the bearing basket can be conveniently lifted, the stability of the bearing basket can be conveniently kept through a telescopic rod, the bearing basket is prevented from shaking, workers can conveniently conduct construction better, and the cost is reduced; and the turnover performance, the applicability and the practicability of construction are improved.

The utility model belongs to the technical field of bridge construction, and particularly provides an assembly type triangular bracket capable of adjusting the angle of a cross beam, the assembly type triangular bracket is connected with the side face of a pier body, the assembly type triangular bracket comprises a main cross beam, an upper bracket, a lower bracket and an inclined strut, and the left end of the main cross beam is connected with the pier body through the upper bracket; the right portion of the main cross beam is connected with the upper end of the inclined strut, and the lower end of the inclined strut is connected with the pier body through the lower bracket, so that the problems that in an existing conventional bracket structure, time is wasted in turnover transformation, the welding installation technology is tedious, the number of embedded parts is large, and later-period repairing is tedious are solved. The inclination angle of the main cross beam can be adjusted by adjusting the length of the inclined struts so as to meet the construction of bottom plates with different inclination angles, the erection time of the triangular bracket is shortened, the construction efficiency is improved, and the cost is saved.

The invention discloses a detachable and reusable modular swivel beam load-bearing framework, which relates to the technical field of load-bearing frameworks, and comprises a square tube and an adjusting assembly, a sliding strip is slidably connected into the square tube, a fixing frame is fixed to the side face of the sliding strip, the lower side of the fixing frame is attached to the upper side of the square tube, a first connecting assembly is installed on the upper side of the sliding strip, a supporting assembly is installed on the side face of the fixing frame, and a second connecting assembly is installed at the right end of the supporting assembly. A fixing assembly and a pulling assembly are installed at the upper end of the side face of the sliding strip, and the fixing assembly is connected with the pulling assembly. The adjusting assembly comprises a supporting plate, supporting frames, a limiting rod, a threaded rod and a connecting frame, an opening is formed in the lower side of the square pipe, the supporting plate is fixed to the interior of the opening, the two corresponding supporting frames are fixed to the left side and the right side of the supporting plate, and rapid disassembly and assembly, flexible height adjustment, repeated utilization and stable bearing can be achieved.

The invention belongs to the technical field of cast-in-place concrete formwork supporting construction. In order to solve the problems of poor construction quality and low efficiency of the slope surface of the cast-in-place concrete trapezoidal open trench, the invention provides a formwork supporting construction method for the cast-in-place concrete trapezoidal open trench, which comprises the following steps of: manufacturing structures such as a slope surface formwork, a side formwork, a slope top edge formwork, a slope top side edge formwork and a gravity type load; according to the formwork supporting construction method, it can be effectively guaranteed that the slope surface of the trapezoid open trench is flat, dense and smooth, the roughness can be reduced, the water passing capacity is improved, the anti-seepage effect is enhanced, the service life of the drainage trench is prolonged, the construction structure adopted in the method is simple, the design is reasonable, reliability is high, the effect is good, and when the construction method is used for construction, the slope surface is attractive; the quality of the cast-in-place concrete slope is effectively guaranteed, and the construction manpower and time cost can be greatly reduced.

The utility model discloses an assembly type elevator foundation, which relates to the technical field of building construction and comprises three concrete foundations, two I-beams are arranged on the three concrete foundations, a plurality of pre-buried steel plates with holes are arranged between adjacent concrete foundations, a plurality of U-shaped pre-buried ribs are arranged on the I-beams, and the U-shaped pre-buried ribs are arranged on the I-beams. The U-shaped embedded ribs are provided with the angle steel connecting pieces, the embedded steel plates with the holes are fixedly connected through the bolts, the I-shaped steel is fixed to the concrete foundation through the angle steel connecting pieces and the U-shaped embedded ribs, the turnover frequency is increased, and the construction cost is saved. The elevator foundation is convenient and fast to mount, and construction efficiency is improved; materials and energy are saved, and construction waste is reduced; a cast-in-place structure is changed into an assembly type structure, so that the foundation is recycled, the construction speed can be increased, noise is avoided, the cost is saved, the green construction development requirement is met, and the unification of economic benefits, social benefits and environmental benefits is realized.

The utility model discloses a tunnel inverted arch end filling support subassembly, include: first baffle, first baffle bottom extension connection has with corresponding side inverted arch adaptation's first bottom plate, and the first bottom plate is passed through and is set up with a plurality of first bottom plate fixed holes, second baffle, second baffle bottom extension connection has with corresponding side inverted arch adaptation's second bottom plate, and the second bottom plate is passed through and is set up with a plurality of second bottom plate fixed holes, a plurality of adjustable support spare, a plurality of adjustable support spare are respectively rotationally connected on first baffle and second baffle, fixed part, fixed part respectively through first bottom plate fixed hole and second bottom plate fixed hole fixed on the ground, wherein, first baffle and second baffle splicing complete the plugging of tunnel inverted arch filling end. The utility model is safe and reliable, easy operation can complete the support and filling work of inverted arch end head fast, realizes the acceleration whole construction progress, saves time and cost, improves construction efficiency.

The invention discloses a double waistline casting template system and an erection method for the facade decoration of a high-rise building, and solves the problem of how to scientifically and reasonably erect the double waistline template system. A lower cantilever steel pipe (9) is tied to a casting beam bottom template support column (2), a beam middle column (7) is tied to a beam reinforcement (6) in the beam casting template, an upper cantilever steel pipe (8) is tied to the upper end of the beam middle column, an outer connecting column (10) is arranged between the outer end of the upper cantilever steel pipe and the outer end of the lower cantilever steel pipe, a lower waistline bottom template support column (12) and a lower waistline bottom template (13) are arranged in the middle of the lower cantilever steel pipe (9), a lower waistline outer template (14) is arranged on the lower waistline bottom template (13), a rectangular airbag template (16) is arranged on the lower waistline outer template, and an upper waistline outer template (15) is arranged on the rectangular airbag template (16); the visual quality of the double waistline is improved.

The present application belongs to the field of building construction technology, and particularly relates to a plugging construction method for holes around a through-wall pipe, comprising the following steps: step one, pretreating a sleeve around the through-wall pipe and pre-fixing the through-wall pipe; step two, assembling a formwork around the through-wall pipe; step three, sealing between the periphery of the formwork and the wall; step four, pouring grout between the formwork and the wall; and step five, removing the formwork after the grout is cured to a suitable strength. Compared with the prior art, the present application sets a formwork around the through-wall pipe, seals between the formwork and the wall, and then pours grout between the formwork and the wall, so that the holes around the through-wall pipe are plugged after the grout is solidified, thereby preventing subsequent leakage of the drain pipe.

The invention relates to a catalytic lignin aromatic ether monomer O‑ Demethylated mutants and applications thereof belong to the technical field of biocatalysis. The mutants are F87A, F87G, F87A / V78A, F87A / V78G or F87A / T268D, F87A / V78A / T268P, F87A / V78G / T268P, F87A / T268D / A328F or F87A / V78A / T268D / A328F. The invention also provides expression vectors and genetically engineered bacteria containing the mutant genes, and catalysis of lignin aromatic ether monomers by using the mutants, expression vectors or engineered bacteria. O‑ Demethylation, where the F87A / V78A / T268D / A328F mutant had a selectivity of 99.9% for guaiacol and the highest turnover number. The F87A / T268D mutant had the highest conversion rate for 2,6-dimethoxyphenol and successfully achieved double demethylation.

The application discloses a large-diameter box culvert template self-adaptive installation and dismounting adjustment method and system, and belongs to the technical field of intelligent control of civil construction. The method comprises the following steps: collecting pressure data through hydraulic preloading to solve the initial demolding load; when the load exceeds the threshold value, starting an asymmetric exciter and configuring a phase angle deviation, exciting a traveling wave mode on the template panel to destroy the adsorption stress; through the pressure adjustment execution element, the retracting oil cylinder is rapidly pressurized and depressurized, so that the template reciprocates; after the gap is formed, according to the instantaneous demolding speed fed back by the displacement sensor, a closed-loop adjustment algorithm is run to dynamically adjust the excitation force amplitude and the pulsation frequency until the template completely exits. The system comprises a perception layer, a decision layer and an execution layer. The application can actively release the strong adsorption stress between the template and the concrete, avoid demolding damage, and improve the intelligent level and safety of large-diameter box culvert construction.

The application provides a channel template supporting assembly and a construction method thereof, and relates to the technical field of channel concrete structure construction. The channel template supporting assembly comprises a template supporting component, a supporting component and a cushion block. The template supporting component comprises a profile steel framework. The supporting component is connected between the template supporting components on the left and right sides and is used for supporting and adjusting the distance between the template supporting components on the left and right sides. The cushion block is arranged at the bottom of the template supporting component and is used for adjusting the installation angle. In the construction process, the template does not need to be installed, reinforced, removed, cleaned, transported and reinstalled by professional carpenters like traditional templates. The template verticality and flatness do not need to be repeatedly checked and adjusted during the construction process. The positioning, installation and reinforcement are simpler, more convenient and more efficient. The number of operators required is smaller, and the technical threshold is lower.

The utility model relates to the technical field of building construction, and particularly discloses a reusable power distribution box niche mold which comprises four groups of steel templates, the four groups of steel templates are integrally of a rectangular structure, every two adjacent groups of steel templates are connected through a connecting mechanism, and fine adjustment mechanisms are arranged between the four groups of connecting mechanisms and the corresponding steel templates. A bottom plate is fixedly arranged at the bottom ends of the four sets of steel formworks, and a PVC hard plastic cover die is fixedly arranged in the middle of the top end of the bottom plate. The fine adjustment mechanism comprises a fixed sleeve fixedly arranged in the middle of one side of the steel formwork, a threaded rod is arranged in the fixed sleeve in a penetrating and threaded mode, an adjusting piece is rotationally arranged at one end of the threaded rod, the whole adjusting piece is of a conical structure, and the adjusting piece is arranged between the corresponding steel formwork and the connecting mechanism in a sliding mode. The two adjacent steel formworks are fixedly connected through the connecting mechanism, the connecting mode is simple and reliable, the formwork assembly and disassembly process is faster, and construction time and labor cost are saved.

The present application relates to a kind of narrow deformation joint hoisting forming steel formwork and aluminum formwork combined construction method, construction process flow is steel formwork processing→steel formwork hoisting→steel formwork reinforcement→formwork checking, using recyclable forming steel formwork instead of traditional plywood and foam board as deformation joint shear wall formwork, its concept is to use forming steel formwork to set up download deformation joint shear wall formwork and traditional deformation joint formwork reinforcement mode, concrete forming quality is good, and expansion mold, leakage and other conditions are very few.Recyclable forming steel formwork and aluminum formwork combined construction formwork speed is fast, formwork turnover times are more, reduce labor input, reduce construction cost and safety hazard, while eliminating the use of foam board, conducive to environmental protection.

The invention provides an aluminum formwork lower angle adjustable plugging-free system and a construction method thereof, and belongs to the field of aluminum formwork plugging structure.The aluminum formwork lower angle adjustable plugging-free system comprises an aluminum formwork, angle steel and a vertical moving device, the angle steel is arranged at the bottom of the aluminum formwork, and the vertical moving device is arranged on the angle steel and can slide up and down to adapt to plugging of different heights; and the up-down moving device is in contact with the upper end of the floor under the action of gravity, so that the aluminum mold does not need to be provided with an additional plugging structure. According to the method, the material turnover frequency is increased, the material loss rate is reduced, the plugging adaptability and sealing performance are improved, automatic adjusting plugging of the lower corner of the aluminum mold and the floor plate is achieved, the construction procedure is simplified, secondary fixing and adjusting by personnel are not needed, manual chiseling and cleaning are avoided, the labor and material cost is reduced, and the plugging quality stability and construction efficiency are improved.

The utility model discloses a formwork structure and building construction equipment for concrete form, which comprises a shaping clamp, two ends of the shaping clamp are respectively formed with a connecting clamping groove, the connecting clamping groove is used for clamping the edge of the concrete form to connect the shaping clamp between two concrete forms, and a connecting hole is arranged in the middle region between the two ends of the shaping clamp; a horizontal secondary ridge is arranged at the two ends of the shaping clamp along the horizontal direction and abuts against the concrete form to be used for horizontal reinforcement; a vertical main ridge is arranged on the side of the horizontal secondary ridge away from the concrete form along the vertical direction to be used for vertical reinforcement; a connecting piece is arranged in the connecting hole, and a buckle is installed on the connecting piece. The buckle and the connecting piece are rotationally matched to continuously abut against the vertical main ridge until the horizontal secondary ridge compresses the concrete form, thereby preventing the edge of the form from being damaged during the connecting process, realizing the form without punching, reducing the form loss, and improving the turnover frequency of the form.

The utility model relates to slope formula retaining wall formwork structure, including plastic steel formwork, I -steel, triangle reinforcing wooden frame and inner support reinforcement, triangle reinforcing wooden frame is located between I -steel and plastic steel formwork, triangle reinforcing wooden frame is inverted triangle, and when force, slide between I -steel and plastic steel formboard and give plastic steel formwork and I -steel extrusion, the bottom of I -steel is fixed, one end of inner support reinforcement contacts concrete, and one end contacts plastic steel formwork top. I -steel, plastic steel formwork, back ridge wooden frame, triangle reinforcing wooden frame constitute the support system of triangle, I -steel bottom welds steel bar and prevents I -steel from sliding down, plastic steel formwork contacts concrete surface, I -steel is placed in the outermost side, triangle reinforcing wooden frame is placed between plastic steel formwork and I -steel, and downward to triangle reinforcing wooden frame is carried out and is beaten, makes plastic steel formwork and design concrete outside line consistent and can form this set of formwork support system. Compared with the prior art, the utility model has high construction efficiency, high safety and simple structure.

The embodiments of the present disclosure disclose a method, device, equipment and computer-readable medium for sending recommended item information. A specific implementation of the method includes: in response to receiving a user's selection operation information record for a target item, obtaining a set of information on items to be cleared and a set of information on new items of the corresponding target store, wherein the target store corresponds to the target item; generating first recommended item information based on the item information of the target item and the set of information on items to be cleared; in response to the daily item turnover volume corresponding to the target item being greater than or equal to a preset turnover volume threshold, generating second recommended item information based on the item information and the set of information on new items; sending the first recommended item information and the second recommended item information to the user terminal of the corresponding user, so that the user terminal displays the first recommended item information and the second recommended item information. This implementation increases the turnover volume of clearance items and new items, thereby improving the space utilization rate of the warehouse.

The invention relates to a novel fabricated support for bridge construction and a construction method thereof, and discloses a brand-new on-site adjusting, fixing and reinforcing structure and a brand-new on-site adjusting, fixing and reinforcing method, on-site construction operation is carried out through fabricated vertical pipes and supporting vertical plates at the top of a support body, and on-site marking is carried out on the fabricated vertical pipes in real time according to the inclination angle of a bridge bottom plate; therefore, the position and the angle of the supporting vertical plate are positioned in a high-precision mode, the whole supporting frame supports a bridge bottom plate precisely and stably, the construction quality of a bridge is improved, materials are saved, mounting and dismounting are convenient and fast, connection is firm, and the construction cost is reduced on the basis that the universality and the turnover performance of the support are effectively improved. The synchronous propulsion support measure is designed, manufactured, constructed and popularized in a standardized mode, and good economic benefits are achieved.