41results about How to "Improve construction progress" patented technology

This utility model relates to the field of building construction technology and discloses a high-efficiency material lifting device for building construction. It includes a support frame, a motor mounted at the bottom, a lifting base and a material cart in the middle, and limit plates on both sides of the top. Two sets of first and second gears, connected by rotating rods, are rotatably mounted on the bottom and back sides of the support frame, respectively. These gears mesh with a chain, and the motor drives the first gear to rotate, which in turn drives the chain to lift the base. Slide rods are mounted on both sides of the support frame. Multiple sets of pulleys are rotatably mounted on both sides of the mounting plate of the lifting base and slidably connected to the slide rods, serving as guides and limiters. The lifting base includes a mounting plate, connecting blocks, pulleys, etc. A slot seat is rotatably mounted between the mounting plates. The material cart slides into the slot seat via a slider. A locking device is located at the top of the slot seat. By moving a lever, a connecting rod is moved, causing a pin to slide within a limit sleeve, engaging with the opening of the material cart's insertion rod to fix the material cart, ensuring safe and stable material lifting.

The utility model discloses a kind of metal composite material walkway plates, comprising: footpath cantilever support, footpath cantilever support is spacedly arranged multiple along the length direction of prefabricated beam, the fixed end of multiple footpath cantilever support is fixedly connected with prefabricated beam;Steel grating frame, steel grating frame is multiple, the length direction of each steel grating frame Two ends are respectively overlapped and fixed on adjacent two footpath cantilever supports;Continuous no-alkali glass fiber felt reinforced polyurethane rigid foam plate, polyurethane rigid foam plate is multiple, and it is flatly fixed on multiple steel grating frames;Guardrail, guardrail is fixed on the cantilever end of footpath cantilever support.The footpath step plate is combined use by steel grating frame and polyurethane rigid foam plate, can greatly improve the durability of footpath step plate, and has the advantages of light weight, high strength.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

This utility model provides a precast component for wet joints of precast T-beams that does not require formwork removal, comprising a first precast component and a second precast component, which are staggered along the wet joint of the precast T-beam. The advantages of this utility model are that by using the first and second precast components directly as bottom formwork installed at the bottom of the wet joint, it saves on the installation and use of formwork, eliminating the need for formwork removal. The structure is simple, operation is convenient, and construction progress is accelerated. The first and second precast components and the precast T-beam can be interlocked and assembled without the need for joint sealant, ensuring the appearance quality of the concrete after the wet joint is completed and reducing safety hazards.

The application discloses a kind of tower equipment pre-buried anchor bolt integral hoisting construction methods, first, the positioning axis consistent with the axis of positioning mould is ejected along the center of equipment foundation;After installing vertical support, positioning mould is hoisted as a whole, and each anchor bolt is sequentially assembled into the mounting hole of positioning mould, so that positioning mould and anchor bolt are connected into a whole in the air;The positioning mould and anchor bolt that have been assembled are hoisted into the equipment foundation insert bar, after anchor bolt anchor plate falls below horizontal support elevation, horizontal support construction is carried out, then positioning mould and anchor bolt are dropped to positioning mould support frame, anchor bolt is calibrated and reinforced, then steel binding, formwork installation and concrete pouring are carried out, equipment foundation construction is completed, and formwork is removed and positioning mould is removed.The application adopts positioning mould and anchor bolt integral assembly in the air, reduces the precision error generated by secondary assembly on site, and improves the pre-buried anchor bolt integral hoisting efficiency.

The present application relates to the field of civil engineering, in particular to a soft rock tunnel grouting reinforcement design method, a reinforcement system and a construction method thereof, wherein the anchor rod parameters are determined by determining the anchor rod reinforcement parameters in the local deformation abnormal area, calculating the anchor rod length L, calculating the anchor rod correction length L2' based on the deformation rate, and calculating the number of long anchor rods in the deformation section, the anchor rod parameters are determined, the initial support is applied after excavation, and the grouting pipe is set, then a plurality of monitoring points are set inside the initial support, grouting is carried out at the back cavity of the initial support, and the grouting effect is checked, finally, the anchor rod reinforcement is carried out in the local deformation abnormal area of the initial support, thereby solving the problems of large workload, long time consumption, construction period and cost control in the conventional grouting reinforcement treatment of large cavities and non-dense areas in the soft rock tunnel in the fracture clamping zone, and the anchor rod reinforcement solves the problem of poor treatment effect of the existing technical scheme on the initial support deformation abnormal area.

The utility model provides a kind of exempt from formwork piece prefabricated comprehensive pipe gallery structure, including along longitudinal piece prefabricated side wall, middle wall, roof and bottom plate;The side wall top is equipped with cantilevered plate integrally formed with one, and the cantilevered plate is used to rest roof and as the template of wet connecting node;The side wall and roof, the side wall and bottom plate are connected by steel bar lap joint and post-poured concrete to form wet connecting structure;The middle wall and roof are connected by high-strength bolt to form dry connecting structure;The middle wall and bottom plate are connected by mortise and tenon structure to form dry connecting structure;The longitudinal end of the side wall, roof and bottom plate is equipped with the connecting box of built-in steel wire rope ring, and the corresponding steel wire rope ring of adjacent pipe gallery section is connected by pin shaft steel bar and forms longitudinal connecting structure by pouring concrete.The utility model has good economy, and multiple segments can also be parallel advanced during construction, and efficiency is stable.

The utility model relates to steel structure installation technical field provides a cup mouth foundation steel structure box type column fast device, including cup mouth foundation and steel box type column, the steel box type column sets up at cup mouth foundation top, all fixedly connected with the positioning board around the steel box type column, the cup mouth foundation top four corners place implants eight chemical anchor bolt, the positioning board all set up positioning hole corresponding chemical anchor bolt department, and chemical anchor bolt all sets up in the positioning hole inside, the chemical anchor bolt department sets up the matched leveling nut and gasket, the lower end between both sides of steel box type column and cup mouth foundation all sets up the limiting block. The utility model discloses, device can be through leveling nut can adjust the elevation size, can prevent the problem that elevation size deviation is bigger, can effectively improve construction progress and installation quality.

This utility model discloses a quick-connect structure for prefabricated buildings. The quick-connect structure includes prefabricated wall panels and a connecting mechanism. The connecting mechanism includes an assembly frame and limiting blocks. The assembly frame has two slots, each containing two adjacent prefabricated wall panels. The limiting blocks pass through both sides of the two slots and are inserted into the two prefabricated wall panels. The limiting blocks on the same side of the two slots are connected as a whole. This utility model's quick-connect structure for prefabricated buildings simplifies the connection process for adjacent prefabricated wall panels by connecting the limiting blocks on the same side of the two slots into a whole. This allows for the insertion of all limiting blocks on the same side of the two slots with only one insertion operation, simplifying the connection steps for adjacent prefabricated wall panels, accelerating construction progress, and avoiding the cumbersome connection steps and delays caused by multiple limiting block insertion operations.

This utility model discloses an electric bridge side drilling tool, including a tool frame, which includes a suspension frame and a support frame. The suspension frame has a downward-facing hanging part, and the support frame is fixed to the right side of the suspension frame. A drive and walking component is mounted on the suspension frame, and a drilling component is mounted on the support frame. A support base plate is connected to the bottom of the support frame, and the drilling component is mounted on the support base plate. This tool eliminates the need for additional personnel to assist in its movement, saving manpower and improving its mobility. It also eliminates the need for construction personnel to perform high-altitude drilling operations outside the bridge crash barrier, reducing construction costs and risks. Furthermore, it ensures uniform height, depth, and levelness of the drilling, guaranteeing the quality of the drilling and the installation effect of the support structure. This effectively saves drilling time and improves the construction progress of the pipe box support.

This invention relates to a beam-column docking device for steel structure construction, comprising: a component installation docking clamp, including a set of component clamping plates welded to a steel column component; a component locking assembly, including a first temporary frame detachably installed on the outside of a component clamping plate, the first temporary frame being provided with a conduit for temporarily storing locking bolts, each conduit containing a corresponding locking bolt movably inserted, an electromagnet for attracting and fixing the locking bolts being fixed to the outer end of the first temporary frame, and a corresponding bolt pushing spring being fixed to the inner side of the electromagnet; and a component alignment correction mechanism, wherein the beam component, under the hoisting of corresponding hoisting equipment, is inserted at its end between a set of component clamping plates of the steel column component, and the component alignment correction mechanism is used to correct the position of the beam component. This invention enables rapid docking of beam-column components in steel structures and significantly improves the turnover rate of equipment used for hoisting beam components.

This invention discloses an integrated tidal flat photovoltaic power station support foundation structure and its construction method, comprising a root pile foundation and a support structure. The main beam of the support structure is installed on top of a pair of columns and reinforced by diagonal bracing. A gap is left between the pair of columns, and the sleeve and collar are installed in the gap, with the sleeve on top and the collar on the bottom. The sleeve sidewall has multiple insertion holes arranged sequentially from top to bottom. The root pile foundation includes, from top to bottom, a pile top, a bamboo-shaped main pile, and a cross plate at the pile bottom. A tubular auxiliary pile is installed outside the bamboo-shaped main pile. The sleeve and collar of the support structure are respectively installed on the pile top and the bamboo-shaped main pile. The pile top has a corresponding waist-shaped hole, which is fixed to the sleeve by pins. This invention is simple to construct, requires less labor, and has strong structural durability. It is suitable for coastal intertidal tidal flat areas with poor foundation bearing capacity, strong environmental corrosivity, large tidal fluctuations, and significant extreme wind loads.

This disclosure presents a method, apparatus, and device for construction material delivery based on dynamic geofencing. One specific implementation of the method includes: acquiring an initial geofencing, a multimodal construction dataset, and device location information corresponding to a target user's smart wearable device; preprocessing the multimodal construction dataset to generate a preprocessed construction dataset; recalculating the geofencing on the preprocessed construction dataset based on a dynamic rule base to generate a recalculated geofencing coordinate set; updating the initial geofencing based on the recalculated geofencing coordinate set to generate an updated geofencing; verifying the target user based on the device location information and the updated geofencing to generate a verification result; and controlling associated transport vehicles to deliver construction materials to the target user based on the verification result. This implementation improves construction progress and avoids the loss of construction materials.

The application discloses a split beam-column joint of fabricated steel structure and a system thereof, which comprises a column section, a connecting piece and a cross beam, the column section comprises a steel structure column, upper and lower end connecting interfaces and a beam interface, the connecting piece comprises a steel structure column, a gasket and a steel member, the cross beam is an I-shaped steel beam with bolt through holes arranged at two ends, and each part is connected through full bolt cooperation to achieve simple assembly relationship, standardization and convenient operation, and construction efficiency is improved. The connecting point position of the beam and the column is separated, the connection of the beam-column joint is changed from a single node into a double node, the stress of the connecting node is dispersed, and the strength, the rigidity and the stability of the connecting node are enhanced.

The utility model relates to engineering equipment technical field, concretely is a kind of girder mobile trolley based on battery power supply drive, including frame, charging module and a plurality of interval arrangement's drive mechanism, frame is made of several mutually connected assembly type vehicle body;Charging module is installed on frame, including charging port and charging battery, charging port is electrically connected with charging battery, every drive mechanism includes the drive wheel of installation in the bottom of frame, the drive motor of transmission connection with drive wheel and the driver of electric connection with drive motor, charging battery is electrically connected with corresponding drive motor by driver.The girder mobile trolley provided by the utility model is powered by charging battery, does not need very long cable to power supply, avoids the accident, such as stumbling work personnel or damaging other equipment when girder mobile trolley moves, because cable is too long.

The application discloses a steel strand inclined cable intermediate tensioning and dismantling method, which adopts a method of tensioning and dismantling steel strands one by one to realize cable force tensioning of the whole cable; one steel strand to be dismantled is divided into an upper segment L1, a middle segment L2 and a lower segment L3 by two sets of clamping devices; two tool steel strands are correspondingly passed through left and right holes of the two clamping devices and anchored by clamping pieces; the middle segment L2 of the steel strand to be dismantled between the two clamping devices is gradually loosened and cut by a jack tensioning; the upper segment L1 and the lower segment L3 of the steel strand to be dismantled outside the clamping devices are loosened, and a crane hoists away the upper and lower steel strand cable bodies respectively. The application solves technical problems of the prior art, such as insufficient length of old steel strands in long-span cable-stayed bridge steel strand cable replacement construction, high safety risk of high-altitude tower operation, great construction difficulty and low economic applicability.

The present application relates to earthwork backfill engineering technical field, specifically relates to a kind of super large particle size wide gradation soil and stone mixture maximum dry density determination method, using large tonnage convex block roller compaction or dynamic compaction compaction, obtain the maximum dry density under different gradation conditions, and under different gradation conditions, different more than 20mm particle content, without technical treatment to the super-diameter particles in the original gradation of soil and stone mixture.In construction, with the measured gradation curve and more than 20mm particle content, compared with different gradation conditions, and under different gradation conditions, different more than 20mm particle content conditions, the larger of the two under the closer gradation condition and the closer gradation condition more than 20mm particle content is the maximum dry density.The maximum dry density determined by this method is closer to the actual construction condition, which can truly, objectively and accurately reflect the maximum dry density of soil and stone mixture, and ensure the construction quality of the project.

This invention provides a support structure for erecting large-span truss steel beams, comprising steel pipe piles, transverse connecting components, and longitudinal connecting components. Four steel pipe piles are evenly arranged in a rectangular pattern. Two longitudinal steel pipe piles are connected by longitudinal connecting components, and two transverse steel pipe piles are connected by transverse connecting components. Each longitudinal connecting component includes an upper longitudinal truss and a lower longitudinal truss, connected by diagonal braces. Two diagonal braces are arranged at the left and right ends of the longitudinal connecting component, forming a figure-eight shape. Each transverse connecting component includes an upper transverse truss and a lower transverse truss, with the upper transverse truss corresponding to the upper longitudinal truss and the lower transverse truss corresponding to the lower longitudinal truss. This invention provides a support structure for erecting large-span truss steel beams, which has the advantages of simple structure, easy construction, light weight, good applicability, and high structural stability.

The utility model discloses a kind of full prefabricated bolt connection central anti-collision guardrail structure devices, including beam body, prefabricated body and reinforcing cage;Reinforcing bracket is embedded on beam body, reinforcing bracket has first bolt and second bolt;Prefabricated body includes base and main body, first bolt hole and second bolt hole are respectively set up in the two sides of this base. By embedding reinforcing bracket on beam body, the reinforcing bracket has first bolt and second bolt, and cooperate first bolt hole and second bolt hole set on prefabricated body, while first steel plate and second steel plate are set on reinforcing cage, first steel plate and second steel plate are embedded on prefabricated body, only need to make each bolt pass through corresponding bolt hole and corresponding through hole after with corresponding nut screwing connection fixed into whole in construction site, factory prefabrication can be realized, fast hoisting in site, do not affect bridge deck pavement construction procedure, do not need subsequent pouring, effectively speed up construction progress, green and environmental protection, can be widely used.

This utility model discloses a central median barrier, comprising: several precast concrete units and several connecting components 11; each precast concrete unit is connected and fixed by a connecting component 11; the precast concrete units are sequentially spliced ​​along their respective length directions and connected to form a ring structure; each precast concrete unit encloses a filling trench, which is filled with crushed stone and soil generated during construction. Thus, because the precast concrete units are standardized and produced in a factory, compared to traditional on-site pouring construction, which requires a large number of workers for a series of complex and tedious procedures such as formwork erection, concrete mixing, pouring, vibration, and subsequent curing, this method effectively reduces various costs. Furthermore, the factory-precast concrete units and on-site construction can be carried out simultaneously, thereby accelerating the construction progress.

The utility model relates to pipeline support technical field, and disclose a kind of electromechanical pipeline support based on BIM, mounting rack is used to be fixed on installation base, mounting rack is U-shaped support, the inside of mounting rack is equipped with several groups of mounting seat and is arranged at equal distance vertically, each group of mounting seat is equipped with four and left-right symmetry is equipped on mounting rack, two mounting seats located in the same side cooperate mounting rack and enclose U-shaped bayonet;Transverse support frame is inserted into the U-shaped bayonet on mounting rack, as the support base of electromechanical pipeline;Pipeline fixing assembly is adjustably mounted on transverse support frame, and pipeline fixing assembly includes fixed seat, several pipeline insertion holes on fixed seat and guide pipeline downward or upward, and insertion frame on fixed seat and guide pipeline horizontally. The utility model can be adapted with BIM technology, realize accurate installation relying on its early planning, and through multiple adjustment structure, adapt to different pipeline installation demand and layout change.

This invention discloses a formwork and construction method for a partially ultra-high cast-in-place beam in a large prefabricated factory building, relating to the field of building construction technology. It includes angle irons installed on both sides of a precast beam. Bolt holes are provided on one side surface of the angle irons, and fixing holes are provided on the other side surface. Square steel is installed above the angle irons, and a bottom beam formwork is installed above the square steel. Stirrups are installed above the bottom beam formwork, and the stirrups are filled with cast-in-place reinforcing steel. Side forms are provided on the surfaces of the stirrups, and square timber is installed on the side of the side forms away from the stirrups. The method employs a formwork support system where angle irons are mechanically anchored to the sides of the already installed high-altitude precast beam as load-bearing supports, and square steel is placed on the angle irons as a load-bearing frame. The anchor holes at the fixing points between the angle irons and the precast beams are L-shaped, allowing for variable elevation of the angle irons, ensuring both safe formwork support and smooth demolding.

This utility model discloses a shaft pre-embedded support scaffolding component, the structure of which includes: bolts, angle steel support components, and I-beams. The bolts transversely penetrate the upper middle and lower left and right sides of the angle steel support components and are spaced together with the I-beams. The I-beams are vertically embedded inside the angle steel support components and their bottoms overlap with those of the angle steel support components. This utility model further improves the process of erecting scaffolding using segmented I-beams by further improving the shaft pre-embedded scaffolding component. It can be used for different elevator shaft sizes, and is fixed to the inner wall of the elevator shaft with pre-embedded bolts. It is easy to assemble and disassemble on site and can be reused in different projects. It is low in cost, highly practical, and has a high assembly rate. It also features convenient construction, easy assembly and disassembly, fast construction speed, shortened construction cycle, high efficiency and economy, convenient turnover, safety and reliability, and green environmental protection.

The utility model discloses a kind of integrated anti-sinking boarding's road inspection well construction system, including anti-sinking boarding and well seat and the adjustable support screw assembly for connecting between anti-sinking boarding, well seat, including screw body, the screw body includes cylinder, adjustable screw is sleeved on the cylinder upper end, adjustable screw is adapted to have adjusting nut;Concrete solidification pouring layer, fill between the prefabricated slab body, well seat, wrap adjustable support screw assembly.The utility model can quickly and accurately adjust, resist settlement by setting anti-sinking boarding around wellhead, and setting adjustable support screw assembly for adjusting well seat flatness and concrete solidification pouring layer for facilitating well seat fixation, realize seamless connection of well lid elevation and asphalt pavement, improve road construction quality, speed up construction progress.

The application discloses a whole installation and dismounting construction method of a diamond-shaped cable tower assembly type closure section formwork without support, and comprises the following steps: S1, processing closure section arch member, bottom die and bracket in a rear field; S2, transporting the closure section arch member, bottom die and bracket to a construction site and assembling the closure section arch; S3, pre-burying operation platforms and bracket pre-buried parts; S4, removing the inside formwork of the tower column and the climbing frame; S5, installing the operation platforms and brackets on the pre-buried parts; S6, installing the closure section arch and the bottom die on the bracket; S7, reinforcing steel bar binding, installing the formwork and then pouring the closure section concrete; and S8, integrally removing the closure section arch and integrally lowering the closure section arch through a hoisting device. Compared with the traditional landing type support method of 'from bottom to top and piece by piece installation', the scheme adopts the assembly type closure section arch, is integrated in place, is formed at one time, is integrally lowered, changes the working site from high-altitude construction to ground construction, is safe and controllable, and the number of high-altitude operation personnel and operation time are greatly reduced.

This invention relates to a post-earthquake recoverable steel plate shear wall-timber frame hybrid structure and its construction method. The structure includes a steel plate shear wall, a glued laminated timber frame, timber floor slabs, a self-resetting shear damper, shear connectors, post-tensioned unbonded prestressing tendons, and anchorages. The self-resetting shear damper and shear connectors connect the steel plate shear wall and the timber floor slabs, while the post-tensioned unbonded prestressing tendons are used in the steel plate shear wall. Compared to existing technologies, this invention combines a steel plate shear wall with a glued laminated timber frame structure system. It leverages the lateral resistance of the steel plate shear wall to help the timber structure system address the seismic challenges of high-rise development, while the combination of timber and steel further enhances the environmental friendliness and sustainability of the building structure. Furthermore, the use of numerous prefabricated components, coupled with the ease of assembly and construction of the timber structure itself, significantly increases the overall construction speed.