1067results about How to "Reduce construction costs" patented technology

This application provides a method, system, medium, and equipment for detecting thermal hazards in tunnels, relating to the field of tunnel safety detection. The method includes: acquiring geological feature data of the target tunnel; identifying a group of thermal hazard parameters with a correlation greater than a set threshold; setting a quantitative scoring range based on this; using the analytic hierarchy process (AHP) to assign weights and calculate hazard scores; then, combining relevant data to establish a dataset and training a lightweight gradient boosting model; finally, inputting data from an unexcavated tunnel section into the model to output the thermal hazard level. This application, by acquiring geological feature data, can accurately understand the environment, screen key parameters to eliminate redundancy, quantify parameters, and rationally allocate weights to ensure objective and accurate scores. It enables tunnel thermal hazard detection and early warning, providing guidance for prevention and control, reducing impact, and is of great significance to tunnel engineering.

This invention provides an intelligent vibration temperature control device for concrete pouring in hydraulic engineering, relating to the field of vibration equipment technology. It includes a main vibrating rod, a lower connecting support rod, an external temperature control hose, and a temperature control storage tank. The lower connecting support rod and the external temperature control hose are arranged in a ring array on the outer side of the main vibrating rod. The external temperature control hose and the temperature control storage tank are interconnected. The tail end of the lower connecting support rod is rotatably connected to a middle connecting rod, and the tail end of the middle connecting rod is rotatably connected to the head end of an upper connecting support rod. The middle connecting rod, the upper connecting support rod, and the lower connecting support rod together form a V-shaped linkage mechanism and are arranged in a ring array outside the main vibrating rod. The external temperature control hose maintains a V-shaped bend simultaneously. The external temperature control hose extends and moves away from the main vibrating rod, expanding the temperature control influence range and improving temperature control efficiency. This solves the problem that the fixed, close-fitting temperature control pipeline for vibration can only cool a very small area of ​​concrete in the center of the vibrating rod, resulting in a small temperature control influence range.

The utility model provides side slope concrete spraying equipment which comprises a slope top moving mechanism and a slope bottom moving mechanism which are arranged on the top of a side slope and the bottom of the side slope, a guide mechanism parallel to the side slope is arranged between the slope top moving mechanism and the slope bottom moving mechanism, and a spraying mechanism capable of sliding in the height direction of the side slope is arranged on the guide mechanism. A lifting mechanism connected with the spraying mechanism is arranged on the slope top moving mechanism, a concrete spraying machine is arranged on the slope bottom moving mechanism, and the conveying end of the concrete spraying machine is connected with the spraying mechanism through a telescopic hose. The moving mechanisms are arranged at the top and the bottom of the side slope and matched with the guide mechanism parallel to the side slope, so that the spraying mechanism can stably ascend and descend along the guide mechanism, ecological concrete is accurately sprayed to the side slope, mechanization and continuity of spraying operation are effectively achieved, and the working efficiency is improved. And the phenomena of concrete dispersion and waste caused by long distance and large height in manual operation are avoided, and the spraying uniformity and the construction quality are remarkably improved.

This invention discloses a method for calculating roof tile material usage and project cost based on BIM technology. The method includes: on-site measurement of all physical dimensions of the roof; adjusting the roof CAD drawings to match the on-site measurements; establishing a three-dimensional overall roof model using Revit software based on the adjusted CAD base map; modeling and refining the roof tile layout based on the three-dimensional overall model; confirming and adjusting the refined roof tile layout to a reasonable level; extracting quantities from the created roof tile model; converting the extracted quantities into area to obtain the final quantities; and calculating the roof tile material cost based on the unit price of the roof tiles and the converted final quantities. This invention solves the problem of excessive on-site roof tile accumulation and additional costs due to inaccurate material cutting in traditional roofing systems, effectively saving construction costs and achieving precise material cutting and controllable project management.

This application relates to a residential parcel transportation device applicable to drone logistics. This application falls within the field of low-altitude economic technology. The technical solution adopted in this application includes: a rooftop transfer system, installed on the rooftop of a residential building, for receiving parcels dropped by drones and completing parcel alignment, horizontal transfer, and temporary storage scheduling; an exterior vertical transportation system, fixedly installed on the building's exterior facade and located directly below the rooftop transfer system, for vertically transferring parcels output from the rooftop transfer system to the corresponding floors; and a user-end receiving system, installed near the windows of users on each floor of the residence, for receiving vertically transferred parcels and real-time monitoring of the support occupancy status; the horizontal transfer end of the rooftop transfer system and the initial bearing position of the exterior vertical transportation system are at the same horizontal height and on the same straight line perpendicular to the building's exterior wall, achieving seamless connection between horizontal and vertical transfer.

The application provides a kind of electric vehicle charger remote efficient metering verification method, it is related to electric vehicle charging equipment electric energy metering verification technical field, including in the charger production factory or nearby setting up charger metering verification laboratory, factory shipment fixed point verification is carried out;Charger connection device, charger detection equipment, monitoring equipment, remote operation facilities and safety facilities are arranged in the verification laboratory, and verification cloud platform is deployed in the remote operation facilities, the application sets up charger metering verification laboratory in the production factory or nearby, and adopts the virtual load verification mode that voltage source is separated from current source, simulates high voltage and large current working condition under low power condition, replaces the verification mode that traditional field needs to be configured with high-power physical load, so as to avoid the use of special detection vehicle and heavy load equipment, effectively reduces the equipment volume and construction cost, improves the equipment utilization.

The utility model relates to a kind of retaining wall steel formwork attached operation platform, it includes: attached to the steel pipe fastener scaffold system of retaining wall steel formwork, for providing construction operation surface;Steel formwork back latticed channel steel, as the attachment basis of the steel pipe fastener scaffold system;Longitudinal welding in the steel pipe of steel formwork back latticed channel steel, for with the steel pipe fastener scaffold system connection;Fastener connecting mechanism, for the steel pipe fastener scaffold system fixed on the longitudinal welded steel pipe.The utility model is designed by using customized steel formwork and attached operation platform, not only effectively solve the safety problem of high-altitude work, also significantly improve construction efficiency and safety, while reducing construction cost.

The application discloses a method for controlling the verticality of a vibroflotation stone pile machine, which comprises the following steps: arranging a drill rod system in parallel with a mast of a hoisting system, so that a vibroflotation system connected with the bottom of the drill rod system is parallel with the mast; detecting the verticality of the mast relative to a main machine on a horizontal plane in real time when the vibroflotation system is used for vibroflotation construction, so as to obtain deviation data of the verticality of the mast; judging whether the verticality of the mast needs to be adjusted according to the real-time deviation data of the verticality of the mast; and adjusting the verticality of the mast if the verticality of the mast needs to be adjusted, so that the vibroflotation system can be used to vibroflotation downward to a construction stratum and form a vibroflotation stone pile hole with a required verticality. According to the method, the vibroflotation system can form a vibroflotation stone pile hole with a required verticality, the uniformity and compactness of a formed vibroflotation stone pile hole are ensured, the safety of the vibroflotation stone pile is improved, the construction period is effectively shortened, and the construction cost is reduced.

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.

The application discloses a quaternary solid waste-based soil stabilizer (GSCP) for a base layer, which is composed of slag (GGBFS), steel slag (SSA), calcium carbide slag (CS) and phosphogypsum (PG) and has a weight ratio of GGBFS:SSA:CS:PG=56:24:12:8. The stabilizer forms C-S-H colloid and ettringite (AFt) through alkaline activation and sulfate activation, does not need to add cement or chemical activator, is used for stabilizing silty clay and steel slag mixed soil, and significantly improves the unconfined compressive strength, splitting tensile strength, water stability and freeze-thaw resistance. Compared with a traditional cement-based stabilizer, the application reduces carbon emission by 82% and cost by 31.25%, provides a low-carbon and economical solution for road engineering, and is suitable for the base layer and the subbase layer of a secondary road or above.

The application relates to the field of building construction and discloses a BIM-based outer wall building node optimization and node one-time forming method, which comprises the following steps: step one: creating a main structure model based on two-dimensional structure diagram information; step two: determining structure node numbers and large sample diagram information according to floor structure plan view node annotations; step three: creating a structure node model through a structure node size large sample diagram; step four: creating a building node model according to building plan view corresponding part building node numbers and large sample diagram information; step five: analyzing the structure and construction difficulty of the building node, and confirming whether to optimize the structure node to be constructed with the main body at one time; and step six: outputting a building node optimization information table. The application mainly solves the construction difficulty of a building node in a narrow space, guarantees the safety of construction personnel, improves project construction efficiency, and controls construction cost.

The utility model discloses a rerailing bridge rescue device which comprises a motor vehicle, a rerailing bridge, a rotating assembly, a lifting assembly, a transverse moving oil cylinder and a jack. The rotating assembly is arranged on a motor vehicle and used for driving the re-railing bridge to rotate so that the re-railing bridge can be perpendicular to a rail. The lifting assembly is arranged on the rotating assembly, and the lifting assembly is used for driving the re-railing bridge to descend so that the re-railing bridge can fall onto a rail; the transverse moving oil cylinder is placed on the re-railing bridge and used for bearing the rail car. The rerailing bridge has the advantages that the rerailing bridge is installed on the motor vehicle in advance, the rerailing bridge can quickly reach a derailing site by means of maneuverability of the motor vehicle, extra hoisting equipment for transportation is not needed, construction efficiency is improved, and the rerailing bridge can be installed on the motor vehicle in advance and can quickly reach the derailing site by means of the maneuverability of the motor vehicle. And the construction cost is reduced.

This invention discloses an intelligent early warning system and method for railway line patrol safety based on edge computing, involving intelligent safety early warning in the railway transportation field, enabling real-time controllable emergency measures to minimize the negative impact of incidents. The edge computing-based intelligent early warning system for railway line patrol safety includes: a cloud platform for an intelligent patrol system along the railway line, network infrastructure units for the intelligent patrol system along the railway line, on-site edge intelligent early warning devices and traffic control units, and IoT video sensing infrastructure units. This invention aims to deploy edge computers to continuously analyze 24-hour video streams from surveillance cameras at key locations along the railway line, process data in real-time, reduce latency, promptly identify abnormal events, take temporary emergency measures as quickly as possible, and rapidly report abnormal events, effectively shortening response time, significantly improving the efficiency of handling abnormal events in railway transportation, enhancing the accuracy of emergency measures, and ensuring railway line safety.

The utility model discloses an overwater cast-in-place simply supported beam dismantling device which is suitable for the field of bridge dismantling. Comprising a buoyancy tank platform for providing overwater operation support and transportation in the overwater cast-in-place simply supported beam dismantling process, an SPMT module transport vehicle capable of adjusting the height of a vehicle body, a bracket with the bottom capable of allowing the SPMT module transport vehicle to enter, and a hydraulic lifting device with the height capable of being increased to a preset height so that the to-be-dismantled cast-in-place simply supported beam can be separated from a support. Compared with an existing blasting device or a floating crane dismantling device, the device has the advantages that modular design and assembly are efficient, the device can be repeatedly used for other bridge engineering, the construction cost is low, the whole beam body is dismantled through hydraulic synchronous jacking, chippings are prevented from polluting water, and environmental protection and construction safety are both achieved.

The utility model discloses a kind of turnover strip-shaped concrete reverse ridge template fixing devices, belong to building construction equipment technical field, including handle, the handle below is provided with connecting sleeve, the connecting sleeve both sides are connected with one root horizontal support rod respectively, connecting sleeve with The horizontal support rod is connected through thread between the two, the horizontal support rod is connected with two oblique support rods away from connecting sleeve end, and the oblique support rod between same side is connected with longitudinal support rod.The utility model uses above-mentioned one kind of turnover strip-shaped concrete reverse ridge template fixing device, by the welding assembly of several support rods, cooperate sleeve and handle, the convenient material taking and quick production of fixed device production are realized, improve work efficiency, save construction cost.

The utility model relates to the technical fields of trench backfilling accessory device, disclose a kind of fast backfilling vehicle, including carriage, the V type of carriage bottom, the V type bottom center of carriage length direction is equipped with conveying groove, first screw conveyor is installed in the conveying groove, the driving end of the first screw conveyor is driven by motor, and output end is discharge end, the discharge end is directly below and is equipped with receiving hopper, the receiving hopper can be detachably fixed in the tail of carriage;Second screw conveyor is detachably installed in the receiving hopper, and the driving end of the second screw conveyor is driven by motor, and output end is discharge end, the discharge end is stretched out outside the carriage, and the tail is equipped with discharge port.The utility model unloads soil material while walking, does not occupy urban road;Uniformly unload backfilling soil material, avoid soil material concentrated into trench to cause damage to the pipeline that has been constructed, ensure layered backfilling.

The application discloses a kind of arch bridge steel truss section cantilever assembly posture multi-eye real-time monitoring method and system, belong to construction monitoring technical field, solve the problem that traditional precision level and total station rely on professional personnel operation and data processing, cannot monitor the dynamic posture change of cable crane tower and other structures under dynamic load, the method includes segment manufacturing form record, segment assembly posture photogrammetry, segment assembly posture is measured, based on segment assembly posture solution result real-time calculation current pose and design pose error, and complete segment main pipe splicing deviation correction;In the application, the spatial coordinates of all key points can be fed back in real time, and the posture of the hoisted segment is monitored in real time. Thus, accurate data support is provided for rapid correction. A 3-eye or more industrial camera array is used to ensure unobstructed imaging of at least three non-collinear targets under complex cantilever assembly conditions, significantly improving work efficiency and reducing construction cost.

The utility model discloses a flexible protective device for treating a collapsed cavity at the top of a tunnel, which comprises at least two flexible protective nets which are arranged from top to bottom and connected to the inner wall of the collapsed cavity, and the aperture of the lower part of each flexible protective net is smaller than that of the upper part of each flexible protective net. The protective net is composed of a steel wire rope protective net body and a twisted-pair hexagonal flexible net body, the steel wire rope protective net body is formed by rhombic weaving of Galfan coating steel wire ropes, and the twisted-pair hexagonal flexible net body is formed by weaving of A-grade Galfan coating steel wires, overlaps the edge of the steel wire rope protective net body by 10-20 cm and is tied. The steel wire rope protective net is formed by splicing meshes of different specifications, splicing follows a specific principle, and steel wire rope buckles are used for connection. The device is further provided with anchor rods, spring hooks and other components, and the number and size of the components are determined according to the three-dimensional data of the collapsed cavity. Compared with a traditional protective net, the device can effectively absorb rockfall energy, is good in buffering effect, high in adaptability to different collapse cavities, easy and convenient to install and capable of reducing construction risks and guaranteeing tunnel construction and operation safety.

This utility model discloses a highway bridge with convenient drainage, comprising a beam body and concrete and asphalt layers arranged sequentially from bottom to top on the beam body. Drainage ditches are provided on both sides of the beam body, with a filter layer at the top of the drainage ditches. A water collection trough of a certain height is reserved above the filter layer. Multiple drainage holes are spaced along the length of the bridge on the filter layer, with filter plugs inside the drainage holes. A drain pipe is provided at the bottom of the drainage holes, with the outlet of the drain pipe extending to the pier foot and connecting to a collection pool. This utility model has a simple structure, high ease of construction, short construction period, and low construction cost. It ensures good drainage effect and is very easy to clean, greatly reducing cleaning costs. The addition of a rainwater collection pool at the pier foot of the highway bridge enables rainwater recycling, which is environmentally friendly and prevents foundation corrosion at the pier foot, thus improving the service life of the bridge.

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.

The utility model discloses a kind of longitudinal reinforcement protection layer supporting devices of beam bottom, it is related to building construction technology field, including pedestal, the top of pedestal is symmetrically equipped with support seat, the top of pedestal is equipped with adjusting mechanism, the adjusting mechanism includes adjusting assembly and stabilizing assembly, adjusting assembly and stabilizing assembly are used mutually, adjusting assembly includes sliding slot, the top of pedestal is opened in sliding slot, two-way screw rod is rotatably connected in the inside of sliding slot, the outside of two-way screw rod is symmetrically screw-connected with displacement block, the top of two displacement blocks is respectively fixedly connected with the bottom of two support seats. The utility model discloses a kind of longitudinal reinforcement protection layer supporting devices of beam bottom, by the adjusting mechanism of being set, two-way adjusting mechanism realizes flexible adaptation, can be adjusted according to the longitudinal reinforcement of different diameter beam bottom, saves construction cost, improves the stability of support, simple structure, stronger practicality.

The utility model belongs to curtain wall connecting structure technical field discloses an angle adjustable keel, include: main keel, angle adjusting structure, angle adjusting structure includes adjusting seat and with adjusting seat rotation connection's adjusting lever, adjusting seat locates the inside of main keel, adjusting lever extends the outside of main keel, secondary keel, secondary keel is connected with adjusting lever to make secondary keel relative to main keel rotation. The utility model discloses through setting adjusting lever, realizes the angle change between primary and secondary keel, adapts arc ceiling, special -shaped skylight, special -shaped wall body etc. Complex design requirement, need not to make to order many specifications keel, reduces construction cost.

The invention relates to a construction device and method for construction of unequal-height beam webs through equal-height beam side formworks, and belongs to the technical field of building beam construction.The device comprises a vertical rod with an adjustable bearing, a beam bottom height adjustable early-dismantling jacking, a beam bottom rib, a beam bottom formwork, double joists and the beam side formworks, and the double joists are installed on the vertical rod with the adjustable bearing; the positions of the double joists can be adjusted by adjusting the adjustable bearing vertical rods, the beam side molds are installed on the double joists, the beam bottom height adjustable early-dismantling jacking supports are installed on the double joists, the beam bottom rib and the beam bottom mold are installed on the beam bottom height adjustable early-dismantling jacking supports, and the beam bottom rib and the beam bottom mold are located between the beam side molds. The positions of the beam bottom rib and the beam bottom die can be adjusted by adjusting the beam bottom height-adjustable early-dismantling jacking, and construction of unequal-height beam webs is achieved. According to the construction method, beam side formworks of the same specification can be used for construction of beam webs of different heights, the specifications and models of the beam side formworks can be reduced, the management and storage cost of the formworks can be reduced, and the turnover utilization rate and the construction efficiency of the formworks can be improved.

The utility model discloses a kind of deformation self-adapting anti-seepage structures of embankment linking section, including embankment, embankment crossing building, the side pier both sides of embankment crossing building located in embankment are provided with concrete spur wall, concrete spur wall outside and intermediate position are reserved with notch, flat plate type plastic steel sheet pile is horizontally inserted into notch and is set, the undisturbed soil layer of embankment is formed with undisturbed soil layer by in-situ mixing, wave type plastic steel sheet pile is horizontally inserted into undisturbed soil layer by in-situ mixing, flat plate type plastic steel sheet pile and wave type plastic steel sheet pile are flexibly linked to form composite anti-seepage structure type by using lock catch, can solve linking section leakage problem, improve engineering full life cycle safety, with deformation coordination, construction controllability and anti-seepage reliability and other technical features.

This invention belongs to the field of engineering machinery technology and relates to a construction method for a variable-diameter drilling and reaming integrated pile driver. It solves the problem that existing drilling and reaming integrated pile drivers cannot change diameter. The construction method is based on a variable-diameter drilling and reaming integrated pile driver, which includes an active pipe, a driven pipe, an upper wing plate seat, a lower wing plate seat, and a reaming arm. The reaming arm is formed by connecting an upper wing plate and a lower wing plate. The upper wing plate is formed by connecting an upper wing plate and an upper wing plate link, and the lower wing plate is formed by connecting a lower wing plate and a lower wing plate link. The construction method determines the length of the reaming arm to be connected by adjusting the position of the upper wing plate seat on the gear key and the position of the lower wing plate seat on the driven pipe. Then, it adaptively adjusts the number of wing plate link connections. Through the coordinated cooperation between the components, it achieves reaming operations for different pile diameters, angles, and sizes, which is simple, convenient, and greatly improves construction efficiency.

The utility model discloses a fireproof brick wall shelf, which belongs to the technical field of constructional engineering and comprises a wall body built by a plurality of concrete blocks, a longitudinal reinforcing plate and a transverse reinforcing plate are arranged in the wall body, the upper end and the lower end of the longitudinal reinforcing plate are respectively connected with a top connector and a bottom connector, and the outer side of the transverse reinforcing plate is connected with an outer side connector. The inner side of the wall body is connected with an inner side connector and is connected with a longitudinal reinforcing plate through the inner side connector, the longitudinal reinforcing plate is further provided with an inner side wall pull rod, and the outer side of the wall body is further provided with an outer side wall pull rod. According to the structure, the purpose of reducing material cost and weight is achieved, all the parts can be installed on a construction site and connected with the adjacent concrete blocks respectively, the whole process does not need additional equipment assistance, and therefore construction cost and difficulty are reduced, construction efficiency is improved, safety accidents can be reduced, and in addition, the construction quality is improved. And the whole fireproof brick wall shelf can be subjected to a fireproof test, and can meet the fireproof requirement of 4 hours at most and the STC50 sound insulation requirement.

A kind of oilfield polymer injection concentric three-channel oil pipe, it includes: coaxially nested three-layer pipe body: outer tube is set in the middle layer pipe of outer tube, and center tube is set in the middle layer pipe;Three independent channels: the first channel is formed by the inner cavity of the center tube, the annular space between the center tube and middle layer pipe forms the second channel, the annular space between the middle layer pipe and outer tube forms the third channel;Channel bridge assembly: be provided with at pipe body both ends, including upper annular channel bridge and lower annular channel bridge;The channel bridge assembly is provided with axial through hole and radial opening respectively connecting first channel, second channel, third channel;Dismountable sealing connection structure: the utility model novel structure, through the unique three-channel design, three different oil layers can be simultaneously carried out three-layer quality boosting injection polymer, improve the pertinence and effectiveness of polymer injection liquid, and then improve oil recovery.

The utility model belongs to water treatment technical field, specifically discloses a perforated folded plate for sedimentation tank and the sedimentation tank of oblique installation perforated folded plate. The perforated folded plate is the plate -like structure of undulating extension and includes at least three folded plate tops of undulating top end and three folded plate bottoms of undulating bottom end, and the folded plate top of perforated folded plate is adjacent to the folded plate bottom and is provided with a plurality of folded plate holes on or close to the folded plate top. The water inlet and the water outlet of the sedimentation tank are separately arranged in the lower part and the upper part of the pool body, a folded plate support is fixed above the water inlet in the pool body, a plurality of aforementioned perforated folded plates are obliquely arranged on the folded plate support in the pool body, the folded plate top of the perforated folded plate faces upwards and the folded plate bottom faces downwards. The perforated folded plate top of the utility model is provided with the folded plate hole, and the sewage can flow upwards through the folded plate hole, which not only can increase the sedimentation area, but also can realize automatic sludge discharge, has the characteristics of simple structure, wide application range, high sedimentation efficiency and automatic sludge discharge.