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17results about How to "Guaranteed duration" patented technology

Drilling engineering cement paste consolidation wear-resistant pipe construction auxiliary tool

The utility model relates to an auxiliary tool for cement paste consolidation wear-resistant pipe construction in drilling engineering, and belongs to the technical field of engineering construction. Comprising a guider and a pipe hoop, the head of the guider is conical and can be inserted into a guide hole reserved in the well bottom, the tail of the guider is connected with the pipe hoop, the pipe hoop is connected with a buoyancy valve, and a slurry return hole is formed in the guider. The pipe hoop and the buoyancy valve are matched for operation, and an inner screw buckle on the pipe hoop and an outer screw opening in the bottom of the buoyancy valve are installed. The utility model has the benefits that the buoyancy valve is protected to work normally, and the lifting weight upper limit of the steel wire rope is increased; sediment at the bottom of the hole is prevented from blocking a piston hole of the buoyancy valve, and cement paste is smoothly ejected to the outside of the pipe by pressure and filled in a gap between the pipe and a hole wall; the unique design shape, size and appearance ensure the verticality requirement of wear-resistant pipe installation. The well cementation safety is ensured, the construction quality, the construction period and the economic benefits are also ensured, and well cementation accidents are prevented.
Owner:CHINA COAL NO 5 CONSTR

Hinge connection structure of flange-extending rectangular pipes and rectangular pipes

ActiveCN222575791UReduce connection difficultyGuaranteed durationBuilding constructionsScrew threadFlange
The utility model relates to a hinge connection structure of flange-extending rectangular pipes and rectangular pipes. The hinge connection structure for the flange-extended rectangular pipe and the rectangular pipe comprises a connecting seat, two extension plates, a large-diameter stud and two mounting nuts, the connecting seat is arranged at the belly part of the rectangular pipe with the outwards-extending flanges and comprises two vertical plates which are symmetrically arranged; the vertical plate is axially arranged perpendicular to the flange extending rectangular pipe and is provided with a through hole A; the extension plates are symmetrically arranged at the ends of the rectangular pipe and provided with second through holes matched with the first through holes. The stud penetrates through the through hole A and the through hole B; and the end part of the stud is in threaded fit with the mounting nut. According to the utility model, only one large-diameter stud is used for enabling the rectangular pipes with the overhanging flanges to be in a hinged connection relationship, so that the connection difficulty of the rectangular pipes with the overhanging flanges can be reduced, the on-site repair is avoided, the construction period is guaranteed, and the construction cost is reduced.
Owner:CHINA CONSTR SENVENTH ENG BUREAU INSTALLATION ENG

Support assembly used for fryer motor and capable of improving lubricating effect

The utility model belongs to the technical field of support assemblies, and particularly relates to a support assembly capable of improving the lubricating effect for a fryer motor, which comprises a support, a lubricating ring is arranged in the support, an oil bearing is arranged in the lubricating ring, an elastic piece is arranged at the top of the oil bearing, a bearing box is arranged at the head of the elastic piece, and a bearing is arranged in the bearing box. Felt is arranged between the lubricating ring and the elastic piece. According to the utility model, the felt is arranged between the lubricating ring and the elastic sheet, the lubricating ring is arranged at the center of the lubricating ring, and then the bearing box covers the surface of the elastic sheet, so that the bearing box can prevent lubricating oil in the lubricating ring and the elastic sheet from overflowing, and meanwhile, the felt can keep the duration of the lubricating oil; therefore, the purpose of improving the lubricating effect is achieved, and the support can be installed on the fryer motor for a longer time.
Owner:芜湖市兆力电机有限公司

Large-length ultrahigh-pressure submarine cable seabed efficient installation and construction method and device thereof

The invention discloses a seabed efficient installation construction method and device for a large-length ultrahigh-pressure submarine cable, and belongs to the technical field of seabed submarine cable installation construction. S2, routing sea sweeping; s3, laying the starting end of the submarine cable on the side of the offshore wind turbine generator; s4, putting a burying machine; s5, laying and burying submarine cables; s6, recycling the burying machine; and S7, laying the submarine cable terminal at the offshore booster station side. According to the method, routing sea sweeping is carried out before construction, weather conditions are concerned, construction obstacles are removed in advance, smooth construction can be ensured, the construction period is ensured, and the construction efficiency is improved. During laying construction of the starting end of the submarine cable on the side of the offshore wind turbine generator, the barb type submarine cable protection sleeve is additionally arranged at the submarine cable inlet in the wall of the tower drum, a good protection effect on the submarine cable is achieved, and particularly, the traction head and the barb type submarine cable protection sleeve are connected in a self-breaking screw connection mode; the barb type submarine cable protection sleeve is installed on a construction ship in advance, the barb type submarine cable protection sleeve is automatically clamped into a submarine cable inlet, and therefore the problems that the installation time is long and the labor intensity is large when a diver carries out underwater installation are solved.
Owner:GUANGDONG UNIV OF TECH +2

Efficient floor material transfer device

The utility model belongs to the technical field of transportation tools, and particularly relates to an efficient floor material transfer device which comprises a movable transportation frame, a material stacking frame and a lifting mechanism, at least one set of detachable placing mechanism is arranged on the transportation frame, the material stacking frame is placed on the placing mechanism, and the lifting mechanism is fixedly installed at the top of the transportation frame. A lifting cross beam is installed at the lower end of the lifting mechanism and inserted into the top of the stacking frame, and the lifting cross beam is pulled through the lifting mechanism to drive the stacking frame to move in the vertical direction. Materials are lifted to the transportation frame through the lifting mechanism and then are horizontally transported, the time for fixing, lifting and falling the materials is short, the floor material transportation efficiency is greatly improved, the material transportation time is shortened, and the construction period is guaranteed; the transportation frame is made of common materials, local materials are used, and environmental protection is achieved. Compared with a traditional method, the number of operators is controlled to be two or less, the floor material transportation efficiency is improved, meanwhile, labor input is reduced, and economic benefits are obvious.
Owner:SHANDONG TIANQI REAL ESTATE GRP INC CORP

Temporary supporting device for slippage construction of large-span prestressed arch structure

ActiveCN222576245UReduce the number of installation and disassemblyGuaranteed stabilityClimate change adaptationShoresPre stressArchitectural engineering
A temporary support comprises a support body, a top support and a telescopic mechanism, the lower end of the support body is fixed to an arch foundation, the lower end of the top support is fixed to the upper end of the support body, and the lower end of the telescopic mechanism is fixed to the middle of the upper end of the top support. A limiting rod is arranged above the top end support, the telescopic end of the telescopic mechanism is fixedly connected with the middle of the bottom face of the limiting rod, the limiting rod is driven to move upwards or downwards through stretching and retracting of the telescopic mechanism, and jacking supporting or downward moving separation of the limiting rod and the corresponding position of the steel arch frame column is achieved. According to the utility model, the mounting and dismounting times of the temporary bracket can be effectively reduced, and the contact and separation states of the limiting rods and the steel arch columns are controlled only by adjusting the telescopic mechanisms, so that the assembled steel arch columns can be reliably supported and separated during sliding, the stability of an arch splicing structure is ensured, the continuity of subsequent sliding construction is not influenced, and the construction efficiency is improved. The construction efficiency is improved, and the construction cost is reduced.
Owner:NO 9 METALLURGICAL CONSTR +1

A converter station firewall frame fixing device

The utility model belongs to the field of building engineering, concretely relates to a kind of converter station firewall frame body fixing device.aims at solving the problem that firewall construction frame body is not fixed in prior art, and pre-buried steel pipe method is not applicable.The utility model includes: fastening screw rod, fixed plate, steel pipe and fastener;One end of the fastening screw rod is fixedly connected with one end of the steel pipe;The other end of the fastening screw rod passes through the hole of the preset fireproof wall, and is fixed on the fireproof wall by the fixed plate and fastener;The other end of the steel pipe is detachably connected with construction frame body by the fastener.The utility model makes construction frame body not be influenced by load, concrete pouring and vibrating, so as to ensure the strength and safety of frame body, and reduce safety hazard.
Owner:国网重庆市电力公司建设分公司 +1

A kind of elastic long sleeper track bed for urban rail transit

The present invention discloses an elastic long sleeper ballast for urban rail transit, with double-sided drainage ditches arranged on both sides of the ballast, and a drainage pipe buried inside the ballast in the middle of the ballast. Vibration-damping pads are installed on both sides of the bottom of the prestressed concrete long sleeper, a low-rigidity pad is installed in the middle of the bottom of the long sleeper, and isolation pads are installed around the sides of the long sleeper; an anti-debris filter block structure is arranged on both sides of the middle of the long sleeper to prevent debris from entering, and the contact range between the top of the drainage pipe and the bottom of the long sleeper and the contact range between the top of the drainage pipe and the bottom of the anti-debris filter block is cut off. Inspection wells are arranged at intervals in the center of the ballast, and the inspection wells are connected to the buried drainage pipes. The present invention can solve the technical problems of the poor flatness and patency of the evacuation surface of the traditional elastic long sleeper ballast with a central open ditch, the complex ditch forming template, the smoothness and stability of the track structure being greatly affected by construction factors, the weakening of the overall strength of the ballast structure, and the impact of local mold running on the vibration reduction performance.
Owner:BEIJING GENERAL MUNICIPAL ENG DESIGN & RES INST

A modular assembly mobile soundproof cover for construction sites

The present invention discloses a modularly assembled mobile soundproof cover for a construction site, and relates to the technical field of noise control for construction. The soundproof cover comprises a double-groove track, wherein the double-groove track is provided with a pair and is arranged in parallel, an outer soundproof cover and an inner soundproof cover are arranged on the top of the double-groove track, and the cross-sections of the outer soundproof cover and the inner soundproof cover are both arched structures, the outer soundproof cover is located outside the inner soundproof cover, the outer soundproof cover is slidably connected to the outer track of the double-groove track, and the inner soundproof cover is slidably connected to the inner track of the double-groove track, and sealing limit strips are arranged at both ends of the outer soundproof cover, and the inner soundproof cover is fixedly connected with convex strips on the surface of one side of the outer soundproof cover and near both ends. This kind of modularly assembled mobile soundproof cover for a construction site solves the problem that the existing sound insulation device is difficult to move and the installation process is complicated, and is convenient for quickly moving the soundproof cover to the construction range, thereby improving the efficiency of installation.
Owner:ABELOO BUILDING MATERIALS BEIJING

Charging device capable of charging aerosol generating device and aerosol generating system

The present invention proposes a charging device capable of charging an aerosol generating device, the aerosol generating device comprising an airflow channel, a first charging unit, and a first power source, and the charging device comprises: a first shell; a receiving chamber formed by the first shell and used to receive the aerosol generating device; a first heating unit arranged in the receiving chamber and used to generate heat to evaporate condensed liquid in the airflow channel after being connected to the power source. The first heating unit of the charging device generates heat to evaporate condensed liquid in the airflow channel after being connected to the second power source, and the process of cleaning and heating the condensed liquid can be performed synchronously with the charging process of the aerosol generating device, avoiding the user from manually performing the cleaning process, making the cleaning process simple and efficient, providing a better user experience, and avoiding the loss of power of the first power source in the aerosol generating device, effectively ensuring the number and duration of puffs.
Owner:SHANGHAI TOBACCO GROUP CO LTD +1

Self-stabilization type floating water taking platform

The utility model discloses a self-stabilization type floating water taking platform, and belongs to the technical field of water taking equipment. Comprising a grid walking board, buoys, a submersible pump, buoy fixing frames and a hanging bracket, the hanging bracket is fixed below the grid walking board, the height of the hanging bracket is larger than that of the submersible pump, the submersible pump is fixed to the bottom of the hanging bracket, the buoy fixing frames are symmetrically installed at the bottom of the grid walking board, the buoys are placed in the buoy fixing frames, and the buoys and the buoy fixing frames are not fixed. Horizontal movement is restrained through the submersible pump and the hanging bracket, and boat anchors are arranged on the two sides of the grid walking platen. The water taking platform is kept stable through the self weight, the whole water taking platform floats along with the change of the water level to take water, and the problem that water cannot be sucked when the water surface is low is solved. The floating platform is easy to install, and underwater construction is not needed; the investment and the work amount are small, and the construction period is guaranteed.
Owner:POWER CHINA KUNMING ENG CORP LTD

A debris flow blocking system convenient to install and use

The present application relates to the technical field of blocking facilities, and discloses a debris flow blocking system convenient to install and use, which comprises at least one blocking dam arranged in a valley in sequence along a flow direction and a monitoring device arranged at a position corresponding to each blocking dam, and the monitoring device is used for monitoring environment information at the blocking dam in real time. An anchor hole corresponding to the position of the blocking dam is preformed on the valley, an anchor rod capable of being inserted into the anchor hole is arranged on the blocking dam, and a positioning device is arranged in the anchor hole. When the hole diameter of the anchor hole is greater than the outer diameter of the anchor rod, the positioning device is used for locking and fixing the anchor rod in the corresponding anchor hole. Through the positioning device additionally arranged in the anchor rod and the anchor hole with a large hole diameter, the installation and positioning of the anchor rod in the anchor hole with a large hole diameter can be conveniently completed, and the installation efficiency and construction period are ensured, and the monitoring device arranged simultaneously can monitor the environment information at the blocking dam in real time when the debris flow occurs, so that the blocking situation of each blocking dam to the debris flow can be known.
Owner:HEBEI UNIVERSITY +1

Node deepening design method and system for digital construction based on deep learning

ActiveCN118365064BGuaranteed durationGuarantee the construction qualityResources
The present invention provides a node in-depth design method and system for digital construction based on deep learning, including: obtaining a number of construction projects of this construction and a construction method corresponding to each of the construction projects, constructing corresponding digital construction nodes, constructing a construction model of this construction based on the digital construction nodes, simulating a simulated construction method corresponding to each of the construction methods, performing in-depth analysis on each of the simulated construction methods, allocating a corresponding construction execution method and a construction supervision method to the corresponding simulated construction method according to the analysis results, and constructing a construction plan for this construction using the construction execution method and the construction supervision method. The model can be used to predict the construction results in advance, reasonably organize the construction, avoid rework, and ensure the construction period and quality.
Owner:CHINA RAILWAY BEIJING ENG GRP CO LTD +1

Pipe field processing leveling device

The utility model provides a kind of pipe on-site processing leveling device, it includes pipe support plate, limiting component, coarse adjustment component and fine adjustment component, the limiting component is located on the pipe support plate, for fixing the pipe on the pipe support plate;The coarse adjustment component and the fine adjustment component connect the pipe support plate, respectively for coarse adjustment and fine adjustment the height of the pipe support plate is adjusted.The utility model can keep the both ends of pipe equal height in reprocessing process by the height adjustment of coarse adjustment component and fine adjustment component, ensure the levelness of pipe, avoid the problems such as pipe deformation, uneven cutout, uneven stripping pitch, difficult operation of rolling wax sealing caused by pipe free end too long in prior art, improve the accuracy and quality of reprocessing, ensure the efficiency and construction period of reprocessing;Required production materials can be locally sourced on site, and can be made of waste materials, and can be reused, save resources.
Owner:MCC TIANGONG GROUP

Composite deviation rectifying method for non-preloading sea silt geological prefabricated square pile

The invention provides a non-preloading sea silt geology prefabricated square pile composite deviation rectifying method. The method comprises the steps that (1) deviation is rectified by adopting a heaped loading method within the deviation range of 300 mm; (2) rectifying the deviation of the engineering pile with the deviation of 300mm-600mm by adopting a pushing and pulling method; and (3) when the deviation is more than 600mm, a pulling and stacking combined deviation correction method is adopted for deviation correction. The prefabricated concrete square pile is subjected to composite deviation rectifying treatment through a stacking method, a pushing method and a pulling method, the engineering cost is greatly reduced, the construction progress is accelerated, and good social benefits and economic benefits are achieved; besides, as long as the square pile has better pile body quality and pile body strength, the pile body is not obviously broken, the slight defect part of the square pile is not at the joint position, and the deviation belongs to the integral deviation of the pile body, the deviation can be corrected according to the construction process, so that the fund can be saved, the construction period can be ensured, and a reference can be provided for projects with similar conditions in the future.
Owner:CHINA NAT CHEM ENG NO 14 CONSTR

High-altitude auxiliary high-strength bolt mounting tool device

The utility model relates to the field of mechanical installation, in particular to a high-altitude auxiliary high-strength bolt installation tool device. The tool device comprises a lower platform (3), fixed crawling ladders (1) are arranged on the two sides of the lower platform (3), and each fixed crawling ladder (1) comprises handrails on the two sides and steps in the middle. The fixed crawling ladders (1) on the two sides are connected through upper fixing pieces (2). And a platform guardrail (4) is also arranged between the fixed crawling ladders (1) on the two sides. The tool device has the beneficial effects that in the machining and manufacturing process of the tool device, leftover materials stored in production and machining and production equipment existing in a workshop are utilized, and low cost of tool manufacturing is guaranteed. The tool device is designed to have different specifications, is convenient to disassemble and safe to use, greatly reduces the cost of producing corrugated steel plates by companies compared with purchase establishment, and meanwhile, can be arranged and classified in a small range in the machining process, improves the working efficiency, meets the production requirements, guarantees the construction period and improves the product quality.
Owner:LANZHOU LS CONSTR ENG CO LTD

Movable bailey structural steel platform

The utility model relates to a movable bailey structure steel platform which comprises cast-in-place lower cross beams and a plurality of steel platforms, the two cast-in-place lower cross beams are symmetrically arranged, and the steel platforms are arranged between the cast-in-place lower cross beams. The steel platform comprises a steel platform body, lower main beams, distribution beams and checkered plates, the lower main beams are fixedly installed on the two sides of the bottom face of the steel platform body respectively, the distribution beams are evenly distributed on the top face of the steel platform body, and each distribution beam is fixedly installed on the top face of the steel platform body. The checkered plates are fixedly installed on the distribution beams, and the lower main beam abuts against the cast-in-place lower cross beam. According to the utility model, the construction efficiency is greatly improved, the cost is saved, the construction period is ensured, the effect of reducing the cost on the premise of ensuring the safety and the quality is realized, the construction method that large ship machine equipment needs to be equipped for overwater construction in the traditional hydraulic operation is replaced, and the possibility of overwater hydraulic engineering in a land mode is verified.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +1