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210results about How to "Shorten construction time" patented technology

Anti-inclination scaffold

ActiveCN224092935UNo rotation occursAvoid unpluggingBuilding material handlingScaffold accessoriesSteel frameCross bracing
The utility model discloses an anti-tilt scaffold which comprises a steel frame and two crossed supporting rods arranged on the two sides of the steel frame, the outer sides of the four corners are respectively provided with a pair of fixing pieces, an inner rod is arranged between the fixing pieces, a plurality of limiting holes are formed in the inner rod, a sleeve rod is arranged on the outer side of the inner rod, and the sleeve rod is connected with the steel frame. An adjusting knob is arranged on the sleeve rod, through holes are formed in the two sides of the lower portion of the sleeve rod respectively, an inserting rod is arranged at the bottom of the sleeve rod, a spring is arranged on the outer side of the inserting rod, a base is arranged at the bottom of the inserting rod, rotating pieces are arranged on the two sides of the base respectively, and a bottom plate is arranged below the rotating pieces. According to the scaffold, the two sides of the steel frame can be supported, the steel frame is prevented from inclining towards the two sides, the safety risk of workers is reduced, and through friction between the inserting rods and the sleeve rods and the buffering effect of the springs, shaking of the scaffold can be reduced, and the scaffold is stabilized.
Owner:JIANGSU XIANGFEI CONSTR MASCH CO LTD

A wall column foot support structure

The utility model discloses a kind of wall column foot support structure, including inclined support plate and the horizontal support plate of the inclined support plate rotary connection, the one end of the inclined support plate away from the horizontal support plate is equipped with hook, the hook is matched with the double steel pipe of the pair of screw rod fixed assembly for fixing wall column formwork;When the hook is hung on the double steel pipe of the pair of screw rod fixed assembly, the one end of the inclined support plate away from the hook is abutted with ground, the one end of the horizontal support plate away from the inclined support plate is abutted with the lower end of the square steel of the pair of screw rod fixed assembly.The utility model realizes wall column foot stable support, effectively prevents leakage, improves construction convenience and economy simultaneously.
Owner:SHENZHEN SPECIAL ZONE CONSTR ENG GRP CONSTR CO LTD

A flexible sheet metal vehicle body protection structure based on adhesive bonding and serrated edge binding

ActiveCN224739301UImprove impact resistanceImprove edge firmness
This utility model discloses a plastic sheet vehicle body protection structure based on adhesive bonding and serrated edge wrapping, including a wrapping layer, an adhesive layer, and an edge structure. The wrapping layer is made of one or more plastic sheets such as PVC, PC, ABS, PMMA, and PP, and is manufactured through processes such as bending and shaping, vacuum forming, and 3D printing. Its shape matches the vehicle's exterior parts and tightly wraps at least one painted surface and all sides. The adhesive layer is an adhesive layer that is applied to the area around the vehicle. After curing, it is transparent and colorless and is used to seal and bond the wrapping layer to the vehicle's exterior parts. The edge structure is a continuous serrated structure processed on the side wrapping part of the wrapping layer. It is embedded in the adhesive layer to form a mechanical interlock. The depth, density, and shape of the serrations can be adjusted as needed. The forming method is one or more of CNC machining, laser cutting, vacuum forming, or mold hot pressing.
Owner:SUZHOU XINHUIDAO AUTOMOBILE TECH SERVICE CO LTD +1

Retaining wall steel formwork attached work platform

ActiveCN224605606UGuarantee stabilityEnsure load bearing
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.
Owner:上海宝冶建筑工程有限公司

A high-efficiency material lifting device for construction

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.
Owner:内蒙古东恒工程有限公司

Base protection device for transformer substation construction

The utility model discloses a base protection device for transformer substation construction, which comprises a supporting seat and a protection plate, the supporting seat is provided with the protection plate, the supporting seat is provided with a first clamping block, the bottom of the protection plate is provided with a first clamping groove, the protection plate is provided with a second clamping block matched with the first clamping groove, and the second clamping block is provided with a second clamping groove matched with the second clamping groove. An auxiliary plate is arranged on the protection plate, a second clamping groove is formed in the lower portion of the auxiliary plate, and a limiting piece is connected to the surface of the protection plate in a penetrating mode. According to the base protection device for transformer substation construction, the protection plates are spliced according to the height of the base, so that the device is suitable for transformer substation bases of different specifications, the universality and adaptability of the device are greatly improved, the problem that the transportation cost is increased due to supporting of a fixed frame is solved, overall installation is rapid and convenient, and the practicability is high. The construction difficulty is reduced, the construction time is shortened, and the problem that the buffer structure is prone to abrasion when installed in soil is solved.
Owner:WUHU YINFENG ELECTRIC POWER ENGINEERING DESIGN CO LTD

A bolted end-plate connection joint of a fabricated concrete beam-column

The present application relates to the technical field of building construction, in particular to a bolt end plate connecting joint of a fabricated concrete beam column, comprising a sleeve plate one and a sleeve plate two, both of which are sleeved on a steel column, both sides of the steel column are provided with a concrete fabricated beam, the bottom surface of the sleeve plate one is fixed with two groups of traction plates, each group is provided with two traction plates, the two traction plates are inserted into two groove bodies at the end of the concrete fabricated beam, the surface of the traction plate is fixed with a connecting plate, and the surface of the connecting plate is provided with a assembling groove, the sleeve plate one and the sleeve plate two are sleeved on the steel column, the pre-limiting of the concrete fabricated beam is realized through the traction plate, the screw rod and the nut, the operation process is simple and easy to understand, the construction personnel do not need to have superb welding skills, only need to install the parts and tighten the bolts according to a certain order, the connection can be completed, the construction time is greatly shortened, and the construction efficiency is improved.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV

Flexible protection device for treating collapsed cavity at top of tunnel

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.
Owner:THE SECOND ENG CO LTD OF CHINA RAILWAY 14TH CONSTR BUREAU CO LTD +1

Cable grid bridge system

The utility model discloses a cable grid bridge system comprising a turning bridge which is composed of a plurality of bridge units arranged in a divergent manner to form an inner arc structure and an outer arc structure. Each bridge unit comprises two parallel U-shaped wefts and a plurality of radial line units, each U-shaped weft is composed of an outer vertical beam, a bottom beam and an inner vertical beam, and each radial line unit comprises a bottom radial line unit, an outer diameter line unit and an inner diameter line unit which are respectively connected to different parts of the corresponding U-shaped weft; the outer diameter line units are connected to form a continuous bridge outer diameter line; the inner vertical beams of the adjacent bridge units abut against each other, the inner diameter line unit is provided with two ends, reinforcing ribs are welded between the bottom beams, a bridge bottom diameter line is formed, and therefore the turning bridge system is low in cost and convenient to manufacture.
Owner:VICHNET COMM SCI & TECH

On-site construction method for perlite heat insulation layer of LNG storage tank

PendingCN121875525AImprove filling qualityreduce evaporation rateThermal insulationMeasurement devicesInsulation layerThermal break
The invention discloses a site construction method for a perlite heat insulation layer of an LNG storage tank, and relates to the technical field of LNG storage tanks, and the site construction method comprises the following steps: step 1, increasing the number of perlite filling ports at the top of the tank, reducing a repose angle to 22 degrees when a connecting pipe is poured, and reducing gaps and uneven density; step 2, drying and replacing the perlite filler so as to reduce the moisture and oxygen content of the perlite filler; 3, the dried and replaced perlite filler is fed into perlite filling openings for filling, perlite is fed into a storage tank in a gas driving mode in the perlite filling process, in order to guarantee the online perlite filling effect and filling safety, the number of the filling openings is increased, the filling quality of expanded perlite is improved, and the production cost is reduced. The conditions of gaps and non-uniform density are reduced, so that the cold insulation effect is improved, the evaporation rate of the LNG storage tank is reduced, and the LNG in the storage tank is kept in an ideal storage state.
Owner:烟台哈尔滨工程大学研究院

Foundation pit slope support fixing system and fixing method thereof

A foundation pit slope support fixing system and a fixing method thereof, the support fixing system comprising a fixing device and a drilling device; the fixing device comprising an anchoring body and an anchor cable, wherein the anchoring body comprises a conical anchor head, one end of the anchor cable is rotationally connected with the rear side of the anchor head, the drilling device comprising a fixing frame and a guide plate on the upper side of the fixing frame, a driving box is slidably arranged on the guide plate, a hollow drill cylinder penetrating through front and back is rotationally arranged on the driving box, the front end of the drill cylinder is inserted and clampedly connected with the rear side of the anchor head, and the anchor cable is located in the drill cylinder; a jetting head is arranged on the rear side of the driving box and inserted into the drill cylinder, the anchor head and the outer ring of the drill cylinder are respectively provided with first and second spiral leaves, and when the drill cylinder is drilled, water injection work of the jetting head can directly drive the anchoring body into the interior of the slope; when the drill cylinder is withdrawn, the anchoring body can be left in the interior of the slope, and grouting work of the jetting head can complete the fixing work of the anchoring device in one drilling, thereby shortening the foundation pit support construction time and significantly improving the construction speed.
Owner:中建五局第三建设有限公司

A device for grouting material for concrete slab bottom voids

ActiveCN224716932Ushorten construction timeEasy to store and place
The utility model relates to the technical field of building engineering discloses a device for concrete slab bottom cavity grouting material, including slurry bucket and pump body, four support legs are installed to the slurry bucket outer wall, the slurry bucket bottom end intercommunication is provided with the discharge pipe, the discharge pipe is connected with the input of pump body and is provided, the output of pump body is provided with the main pipe, the outer wall of main pipe is provided with four branch pipes, the inside of L type support plate is installed with four fixed column, the uppermost and the lowermost fixed column one end all are provided with the limiting component for blocking the material conveying hose, the utility model discloses, set up multiple branch pipes, allow to carry out the operation to multiple grouting holes simultaneously, the construction time of large -area cavity region is significantly shortened, and through four fixed column and the clamping plate, personnel is convenient to the material conveying hose and is placed, personnel is convenient to use flexibly, and the practicality is strong.
Owner:ANHUI MINGZHOU CONSTRUCTION CO LTD

A movable protection device for construction of a crash barrier wall of a viaduct

The application discloses a kind of overhead bridge anti-collision wall construction mobile protection device, it is related to bridge construction equipment field, including two walking chassis, each the walking chassis is provided with support cantilever, the front end of the support cantilever is provided with a crane arm, multiple side-by-side arranged steel wires are provided between two crane arms, each the steel wire is arranged in L shape, and protective net is provided between adjacent two steel wires.The application suspends multiple protective nets in the side of bridge by support cantilever and crane arm, the horizontal part of multiple protective nets can be bottom protection, and the vertical part of multiple protective nets can protect the vertical surface;Bridge hanging basket trolley is carried out construction operation in the area between two walking chassis, after completing the construction of one section, the application can be transferred to next construction section with hanging basket trolley as a whole;The scheme provided by the application is overall convenient to move and operate, which helps to shorten construction time and reduce the safety risk of construction.
Owner:SHANGHAI TONGRUI ENG CONSULTING CO LTD

A subway transfer node area deep foundation pit construction method

This application relates to the field of deep foundation pit construction technology, and particularly to a method for constructing deep foundation pits in a subway transfer node area. The transfer node area includes an enlarged section, a pipeline relocation section, and a main connecting section. A temporary partition is set on the side of the main connecting section to separate the transfer node area from the main section of the first subway line. The enlarged section adopts a concrete support system, while the pipeline relocation section and the main connecting section adopt a hybrid support system of concrete and steel supports. The deep foundation pit construction method includes: Step S1: Traffic diversion and pipeline relocation; Step S5: Foundation pit excavation and support: The foundation pit excavation and support adopts a combination of vertical layering and longitudinal segmentation. The longitudinal segmentation sequence is the enlarged section, the main connecting section, and the pipeline relocation section. When excavating and supporting the foundation pit of the pipeline relocation section, the temporary partition at the corresponding depth is removed simultaneously to avoid idle work and greatly shorten the overall construction time.
Owner:CHINA RAILWAY SEVENTH GRP CO LTD +1

Combined pipeline structure for large public building construction

The utility model discloses a combined pipeline structure for large public building construction, including two building fixed pipes, the detachable installation of intermediate connecting pipe between two building fixed pipes, both ends outside of intermediate connecting pipe all movably install movable butt joint pipe, and the one end of movable butt joint pipe is inserted in the inside of building fixed pipe end portion, and the end portion of building fixed pipe close to intermediate connecting pipe is equipped with four guide through -slot, and the inside of this end portion of building fixed pipe is equipped with four locating clamping slot, and the end portion outside surface of movable butt joint pipe in building fixed pipe is fixed with four symmetrical distribution's clamping sliding block. The utility model discloses through with movable butt joint pipe sliding and sending into building fixed pipe inside, and then to movable butt joint pipe rotation forty -five degree angle, make clamping sliding block and locating clamping slot alignment, and then with movable butt joint pipe mutual back and pull, make clamping sliding block clamping in the inside of locating clamping slot, complete building fixed pipe and movable butt joint pipe's assembly locking.
Owner:CHINA MCC17 GRP CO LTD

An embedded structure for unloading pull rings at the connection node between cast-in-place beams and cantilever slabs

This invention proposes a pre-embedded unloading pull ring structure at the connection node between a cast-in-place beam and a cantilever slab. The structure includes a beam body, with a cantilever slab body extending from the bottom of the beam body. A pull ring body is located at the bottom of the beam body, with one end embedded within the beam body and the other end protruding from the connection node between the beam body and the cantilever slab body. By pre-embedding the pull ring body at the bottom of the beam body and having one end protrude from the connection node, this invention eliminates the need for pre-drilling openings in the cantilever slab body. This ensures that the subsequently connected steel wire rope is in a straight line, optimizing the stress distribution between the steel wire rope and the structural beam, reducing the risk of structural damage. Simultaneously, it avoids conflicts, wear, and pressure damage to the cantilever slab caused by inaccurate opening locations, eliminates the risk of leakage due to openings, improves the safety, durability, and waterproofing performance of the cantilever slab, simplifies construction steps, and increases construction efficiency.
Owner:SHEN ZHEN SHI JIN ZHONG JI TUAN GU FEN YOU XIAN GONG SI +4

A foundation treatment method for setting a flywheel energy storage device in a collapsible loess area

ActiveCN119824946BMeet tight deadline requirementsreduce thicknessFlywheel energy storageStructural engineering
This invention belongs to the field of civil engineering technology in the field of flywheel energy storage in thermal power plants. It discloses a foundation treatment method for setting up flywheel energy storage devices in collapsible loess areas. The method involves excavating 2-3 meters downwards from the surface of the collapsible loess layer, then installing bored piles for the flywheel well on the surface after the first excavation. A second excavation is then carried out on the surface corresponding to the flywheel well, reaching the lower elevation of the flywheel well's bottom slab. The loose pile portion is then removed, and the flywheel well is installed above the bored piles. Backfill soil is used to the surface height after the first excavation, followed by a layer of lime-soil. A second backfill is then used to the ground floor level, and finally, a hardened ground surface is constructed. This invention features a short construction period, low engineering cost, and a foundation treatment scheme combining bored piles and lime-soil, making it particularly suitable for the characteristics of flywheel energy storage project structures.
Owner:XIAN THERMAL POWER RES INST CO LTD

Track load detection method

This invention discloses a track load detection method, belonging to the field of rail transit. The rails on both sides of the detection area are detected using the same method. For one side of the rail, two detection positions are set on the web of a section of rail within every two adjacent sleepers, and a shear force sensor is installed at each detection position. A bridge is formed between the shear force sensors at the Nth and N+1th detection positions, and another bridge is formed between the Nth and N+3th detection positions. Each shear force sensor is connected to a processor. A specific data processing scheme of this invention is applied to obtain the precise weight of the vehicle. This invention does not use weighing sensors, has a simple structure, is easy to install, and requires no modification to existing roadbeds, sleepers, or fasteners. It can accomplish projects that are difficult to complete with existing technologies, such as high-speed rail and subways, which are sensitive to modifications and have time constraints, reducing construction time, costs, and safety hazards.
Owner:GUANGZHOU JIAOYUE TONGDA TESTING TECHNOLOGY CO LTD

Temporary fixing clamps for connecting beam-column joints in prefabricated buildings.

This utility model discloses a temporary fixing clamp for beam-column joint connections in prefabricated buildings, including a beam-binding connector, a beam bottom bracket, and a beam segment connector. The beam-binding connector is a steel plate, with one side fixed to a precast beam and the other side fixed to a precast column. A connecting end perpendicular to the steel plate is also fixed to the side of the steel plate. The beam bottom bracket is a right-angled steel plate, with one right-angled side fixed to the precast column and the other right-angled side parallel to the precast beam, providing vertical support to the precast beam. The beam segment connector is an L-shaped steel plate, with the short side of the L-shape fixed to the connecting end of the beam-binding connector and the long side of the L-shape parallel to the precast beam. In use, this utility model is prefabricated in the factory, and bolt holes are pre-set on the beams and columns. Bolts are used to fix the beam-binding connector and the beam bottom bracket to the precast beams and columns, achieving rapid temporary fixing. Simultaneously, this utility model can serve as an external formwork for the beam-column joint grouting material, making installation convenient and significantly reducing construction time.
Owner:SHAANXI SHAANXI JIANRUI HIGH-TECH PARK CO LTD

A method and system for collision detection between soft tissue and instruments in virtual surgery

The application discloses a kind of collision detection method and system between soft tissue and instrument in virtual surgery, including constructing soft tissue grid model with triangular facet and tetrahedral particle and constructing the proxy model of instrument;Respectively construct the double level bounding box structure of soft tissue grid model and proxy model, and using ray tracing algorithm, obtain the binary hierarchical tree of soft tissue grid model;The shortest distance between the soft tissue grid model and the proxy model is obtained, and the collision detection of the soft tissue grid model and the proxy model is carried out based on the shortest distance and the set dead zone relationship.In the collision detection between soft tissue grid model and proxy model, the binary hierarchical tree of soft tissue grid model is obtained based on ray tracing algorithm, so the time for constructing the binary hierarchical tree of soft tissue grid model can be reduced, the system construction efficiency is improved, and different collision detection methods are used according to specific situation, the detection efficiency and accuracy are improved.
Owner:NANJING TECH UNIV

Stable steel structure fixing structure

The utility model discloses a stable steel structure fixing structure which is applied to connection of a first steel frame and a second steel frame and comprises a splice plate, a reinforcing portion and a fixing mechanism. The connecting mechanisms are arranged on the two sides of the first steel frame, the fixing mechanisms comprise mounting parts and connecting parts, the mounting parts are fixedly connected with the ends, away from the first steel frame, of the splicing plates, and the connecting parts are fixedly connected with the ends, away from the splicing plates, of the mounting parts; the fixing mechanism is arranged on one side of the first steel frame, the splice plate is fixedly connected with one side of the first steel frame, the mounting plate and the fixing frame are fixed to the first steel frame through the splice plate, and one end of the second steel frame is connected with the end, away from the first steel frame, of the fixing frame in a penetrating mode. And the second steel frame and the fixing frame are fixed through the second bolts, and then the second steel frame and the first steel frame are supported and fixed through the fixing frame, so that the first steel frame and the second steel frame can be rapidly supported and fixed, the operation difficulty is reduced, and the construction time is shortened.
Owner:TAIYUAN BOYUAN STEEL CONSTR CO LTD

Supporting device for steel-tower and steel-concrete combined section of cable-stayed bridge

ActiveCN224741440UGuarantee construction accuracyUniform structural stiffness
This utility model relates to the field of bridge construction technology and discloses a support device for the steel-concrete composite section of a cable-stayed bridge tower. The device includes: several embedded parts, with anchor rods anchored into the bridge deck at the lower end and horizontal support plates at the upper end; two or more vertical supports, including several columns, beams, and diagonal braces. The columns are vertically arranged, with their lower ends connected to the support plates and their upper ends equipped with horizontal mounting plates. The top and bottom ends of adjacent columns are connected to the beams, and several diagonal braces are arranged between adjacent columns; a transverse connecting rod, with both ends connected to two adjacent vertical supports; and a leveling bracket, with its upper end fixedly connected to the lower surface of the steel-concrete composite section and its lower end being a horizontal connecting plate opposite to the mounting plate. This support device for the steel-concrete composite section of a cable-stayed bridge tower can ensure the stability of the steel-concrete composite section during construction, guaranteeing construction accuracy.
Owner:MCC (SHANGHAI) STEEL STRUCTURE TECHNOLOGY CORP LTD

A charging station for drone batteries

This application provides a charging station for drone batteries, relating to the field of drone charging technology. It includes a container body containing several charging stations, each equipped with a charger for charging drone batteries. The container body also contains a battery storage box for storing drone batteries. This application utilizes a container design, which, compared to traditional on-site construction of fixed charging facilities, eliminates the need for large-scale foundation construction and equipment installation and debugging. Chargers and other equipment can be pre-installed and debugged in the factory. Upon arrival at the work site, only simple placement and power connection are required for rapid deployment, significantly shortening the construction time of the charging station and improving drone operational efficiency. The container also possesses good mobility and adaptability, allowing for convenient transportation to different work locations.
Owner:SHENZHEN PENGCHAO TECHNOLOGY CO LTD

Room temperature vulcanizing fluorine-containing compound modified organopolysilazane and use thereof

This invention belongs to the field of polymer materials technology and relates to a room-temperature curing fluorinated compound-modified organopolysilazane and its applications. This invention discloses a room-temperature curing fluorinated compound-modified organopolysilazane, which is prepared by modifying the organopolysilazane with a silane coupling agent and a fluorinated compound. While retaining the excellent properties of organopolysilazane, it achieves room-temperature self-curing and possesses excellent hydrophobic properties, providing long-term protection for substrates and broadening the applications of organopolysilazane materials.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI

Steel bar positioning structure for slope protection engineering

The utility model discloses a reinforcing steel bar positioning structure for slope protection engineering, which comprises a soil slope and a fixing mechanism, the fixing mechanism comprises a transverse reinforcing steel bar, the surface of the transverse reinforcing steel bar is movably connected with a plurality of vertical reinforcing steel bars, and the crossed positions of the transverse reinforcing steel bar and the vertical reinforcing steel bars are fixed through binding iron wires. The front faces of the transverse steel bars are movably connected with a plurality of downwards-inserted steel bars, the bottom ends of the downwards-inserted steel bars are inserted into the soil slope, and a positioning mechanism is arranged at the top of the soil slope. In the practical application process of the reinforcing steel bar positioning device, the reinforcing steel bar positioning stability is greatly improved through the synergistic effect of the fixing mechanism and the positioning mechanism. In slope protection engineering, slope topography often leads to easy slippage of steel bars, and parts such as downward insertion steel bars and fixed steel bars in the fixing mechanism and the positioning mechanism are matched with each other, so that the steel bars can be inserted into a soil slope, the whole structure is kept on the surface of the slope, the adjustment work caused by slippage of the steel bars is reduced, and the construction efficiency is greatly improved.
Owner:INNER MONGOLIA YUANJING KUNSHI ENGINEERING CO LTD

An assembled EPP floor heating module

ActiveCN224771617UFast splicing and positioningquick release
The utility model relates to an assembly type EPP floor heating module, including one EPP floor heating module and no. Two sides of one end of one EPP floor heating module are all fixedly connected with splicing positioning block, the one end of no. Control connecting frame is fixedly connected with splicing positioning block, the inner wall of splicing positioning block is equipped with through -going positioning hole, and the inner wall of through -going positioning hole is fixedly connected with inner anti -skid and prevent the pad of falling off. The utility model relates to an assembly type EPP floor heating module, and control connecting frame is clamped into the inner side of splicing positioning block, and positioning block is clamped into the inner side of through -going positioning hole through the effect of its rear end damper and elastic member and is positioned, can fast splicing positioning between one EPP floor heating module and no. EPP floor heating module, can greatly shorten construction time, reduce manual cost, accelerate the project progress, and simultaneously, if the failure of certain module appears, can quickly dismantle and replace, need not to dismantle entire floor heating system, reduced maintenance difficulty and cost.
Owner:SUZHOU XIANGHOU ELECTRONICS CO LTD

Construction method for adding tee joint to existing large-diameter pipeline

The application belongs to the technical field of pipeline construction, and particularly discloses a construction method for adding a tee joint to a large-diameter existing pipeline, which comprises the following steps: preparing a sleeve according to the size and shape of the existing pipeline; sleeving the sleeve on the existing pipeline and filling the gap between the existing pipeline and the sleeve; cutting a hole in the sleeve and connecting the added pipeline to form a tee joint; opening a manhole on the added pipeline; temporarily closing the valve of the existing pipeline, emptying the conveying object in the existing pipeline; entering the added pipeline from the manhole, chiseling and dismounting the designed dismounting section of the existing pipeline; and closing the manhole, and the construction of the new tee joint is completed. After the existing pipeline is wrapped with a sleeve to form a tee joint, the wrapped section of the existing pipeline is dismounted, the production and installation of the tee joint can be completed without cutting off the existing pipeline, the pipeline is cut off only temporarily in the last connecting stage, the time for cutting off the existing pipeline is delayed, the construction time is effectively reduced, the existing pipeline can be effectively protected from damage, the construction quality is improved, and the leakage problem at the connection position is reduced.
Owner:ZHONGJIAN SUIDAO CONSTR CO LTD

Umbrella-shaped water plugging curtain structure for treating shaft gushing water

The utility model discloses an umbrella-shaped water plugging curtain structure for processing shaft gushing water, which comprises a shaft, a concrete inner wall arranged on the shaft, a tunneling layer arranged at the bottom of the shaft, an umbrella-shaped curtain structure arranged on the concrete inner wall of the shaft, and an umbrella-shaped water plugging curtain arranged on the tunneling layer. The umbrella-shaped curtain structure comprises three layers of inclined grouting holes which are formed from top to bottom, wherein each layer of grouting holes are downwards and uniformly distributed in an umbrella shape with the center of a shaft as the axis; the device is simple in structure and convenient to operate, only three layers of inclined grouting holes need to be formed above a tunneling layer to form an umbrella-shaped curtain structure, water gushing from top to bottom of a shaft can be effectively prevented, meanwhile, underground water around a tunneling section is prevented from gushing into the shaft, the construction time is greatly saved, and the working efficiency is improved.
Owner:CHINA NO 15 METALLURGICAL CONSTR GRP

Self-drilling hollow anchor rod rapid construction tower foundation

This utility model belongs to the field of communication tower foundation construction technology, specifically disclosing a self-drilling hollow anchor bolt rapid-construction tower foundation. The tower foundation includes a self-drilling hollow anchor bolt assembly, a pad plate, an I-shaped connector, fixing screws, and concrete filler. The anchor bolt assembly consists of multiple threaded hollow anchor bolts arranged in a ring, with an adjacent spacing of ≥20cm. The anchor bolts are splicable and have grouting holes at the bottom. The pad plate is located on top of the anchor bolt assembly and has reinforcing ribs at the bottom. The I-shaped connector includes a bottom plate, a top plate, and a connecting body, with a reinforcing plate between them. The bottom plate is fixed to the anchor bolts, and the top plate is connected to the tower flange via fixing screws. The concrete filler is poured on the outside of the I-shaped connector, above the pad plate, and below the tower flange, forming an integrated support. This utility model integrates drilling, grouting, and anchoring, offering efficient and low-cost construction. It is suitable for complex geological conditions and scenarios where large vehicles cannot pass, improving both connection strength and stability, and can meet the construction needs of lightweight communication towers ranging from 9 to 20 meters in height.
Owner:JINZHONG BRANCH OF CHINA TOWER CO LTD