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28results about How to "Guarantee smooth construction" patented technology

Roller mold device for high pier construction

ActiveCN117780082Bprevent fallingGuarantee smooth constructionConstruction engineeringPier
The present application relates to high pier construction technical field, specifically a kind of roller mould device for high pier construction, including main mould frame, several equipment supports being arranged on main mould frame, rolling device being arranged on equipment support;Rolling device includes the roller body assembly being arranged in the front of rolling device, and the recovery assembly being arranged in the rear of roller body assembly;Roller body assembly includes support frame, roller body being arranged on support frame, and the material scraping frame being erected on support frame;Material scraping frame is provided with material scraping machine piece, material scraping machine piece is inclined to the roller surface of roller body, and the side of roller body is moved towards material scraping machine piece;Recovery assembly includes the material receiving box being arranged in the rear of material scraping frame, the rear of material scraping frame is provided with guide frame plate, and guide frame plate is used to connect material receiving box and material scraping machine piece.The present application designs material scraping machine piece to separate the concrete on the roller surface of roller body, and concrete is collected in time, so that the construction process of overall high pier roller mould is more smooth.
Owner:新疆维吾尔自治区交通运输综合行政执法局工程质量监督执法支队 +2

A bridge girder erection machine and a method of construction thereof

ActiveCN116446291BGuarantee smooth constructionConvenient for portrait orientationClimate change adaptationBridge erection/assemblyArchitectural engineeringStructural engineering
The application relates to the technical field of bridge erecting machine construction, in particular to a bridge erecting machine and a construction method thereof. The bridge erecting machine comprises a main beam, the longitudinal ends of the main beam are respectively provided with a front guide beam and a rear guide beam, the front guide beam and / or the rear guide beam comprises a plurality of jointed assembling units, and any two adjacent jointed assembling units are detachably connected; a main crane is movably arranged on at least one of the main beam, the front guide beam and the rear guide beam; a plurality of groups of hanging devices are movably connected to the main crane and are selectively hung on the main beam, the other ends of the hanging devices are fixedly connected with segment beams, and any group of the hanging devices is adapted to be cross-layer hung with adjacent hanging devices so that the segment beams are arranged in a staggered mode along the height direction; and the main crane is adapted to drive the hanging devices to move longitudinally, transversely, vertically or rotate. The bridge erecting machine can be used to successfully complete the erection of a bridge in a narrow construction site with obstacles at the bridge head.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +1

Transverse supporting system for reinforcing splicing of aluminum alloy formworks

The utility model relates to a transverse supporting system, and belongs to the technical field of formwork supporting, in particular to a reinforced aluminum alloy formwork splicing transverse supporting system which comprises a plurality of pairs of U-shaped steel, an aluminum alloy formwork is fixedly installed on the groove side of each U-shaped steel, and steel plates are fixedly installed on the two sides of each U-shaped steel through bolts. A plurality of transverse supporting plates are arranged on the outer sides of each pair of aluminum alloy formworks; the utility model achieves the effects of improving the stability and the construction efficiency of a template system and ensuring the construction quality and safety, and solves the problems that although the stable supporting effect can be realized in the prior art, a single supporting mode is similar to a common construction mode, the supporting effect is poor, and the construction cost is low. And adjustment according to the height and the length of the template is not facilitated.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD +1

A directional synchronous tractor unit that crosses the main pipeline and outer tube

A return towing head for directional synchronous crossing of a main pipeline and an outer casing, relating to the field of pipeline crossing technology, includes an outer casing, a main pipeline, and a return towing head. Reinforcing plates are welded to the outer wall of the outer casing at equal intervals along the circumference. The return towing head includes a main body, with tie rods evenly spaced along the circumference at the ends of the main body. The tie rods can extend between two reinforcing plates, and a limiting plate is provided at the end of the tie rod. When the outer casing and the return towing head need to connect, the limiting plate is placed horizontally on the reinforcing plates on both sides, thus forming an effective connection. A central cylinder is provided inside the main body, and a top block is slidably mounted radially upward on the central cylinder. One end of the top block can abut against the inner wall of the main pipeline. A drag rod is slidably mounted axially upward on the central cylinder, and the drag rod has a conical portion. The other end of the top block can abut against the conical portion of the drag rod. When the drag rod is dragged outward, the conical portion pushes the top block out and presses it tightly against the inner wall of the main pipeline. Thus, this application achieves synchronous dragging of the outer casing and the main pipeline by the return towing head.
Owner:DAQING JINSHENGLONG CONSTR & INSTALLATION ENG CO LTD

A method, system, and storage medium for batch verification of soft and hard collisions at the hanging points of tension insulator strings in transmission lines based on the GIM model.

This invention provides a method, system, and storage medium for automated and high-precision batch soft and hard collision verification of transmission line insulator string attachment points based on GIM models. It relates to the field of tension insulator string collision verification technology and includes: identifying all tension insulator string tower attachment points to be tested and their corresponding hardware components from the model; constructing a refined model library; completing the initial import and placement of the refined model; achieving precise alignment of the hardware components with the refined tower attachment point model in spatial position and orientation; driving the refined model from a static installation state to a dynamic spatial state under specific operating conditions; and performing hard collision checks on each inspection unit in the dynamic spatial state. This invention liberates designers from tedious and repetitive work, resulting in an order-of-magnitude improvement in verification efficiency.
Owner:四川电力设计咨询有限责任公司

Waterproof diversion blind ditch structure of diaphragm wall joint

The utility model relates to a waterproof flow guide blind ditch structure at the connecting place of diaphragm wall, it includes flow guide blind ditch main part, flow guide blind ditch main part sets up at the connecting place of diaphragm wall, is used for guiding the ground water flow, prevents the ground water and accumulates at the connecting place, the utility model discloses a flow guide blind ditch is established, effectively guides the ground water flow, prevents the ground water and accumulates at the connecting place, reduces the seepage risk, improves the overall waterproof performance of diaphragm wall, guarantees the engineering quality. The application still has the advantages such as convenient construction, low cost, can satisfy the efficient and economic demand of modern underground engineering construction.
Owner:SHANGHAI BAOYE GRP CORP +1

Construction method of anchor pile structure and anchor pile structure formed by same

PendingCN121992773ANot easy to damageGood non-destructiveBulkheads/pilesSlurryCement paste
A construction method of an anchor pile structure suitable for a foundation with at least a shallow portion under the earth surface being loose sand, the anchor pile structure comprising a hollow precast pile body (12), an anchor body structure (29) having a container (6) and an anchor rod (26), the method comprising the following steps: 1) in the foundation, arranging the precast pile body (12) in a prescribed position in the foundation; (2) a hole (28) is formed downwards through the interior of the cavity of the pile body (12), the hole forms an installation space of an anchor body structure (29), and at the moment, the hole is filled with slurry; the method comprises the following steps of (1) placing a container (6) in a cavity of a precast pile body (12), (2) placing the container (6) in the cavity of the precast pile body (12), (3) downwards penetrating an anchor body structure through the cavity of the precast pile body (12) and placing the anchor body structure in a hole, (4) pouring cement paste into the hole (28) to replace the slurry in the hole, (5) after the cement paste in the hole is hardened, filling a medium into the hollow interior of the container (6) and carrying out squeezing expansion to enable the container (6) to laterally expand, and (6) grouting a soil body near the bottom end of an anchor rod (26).
Owner:SHANGHAI TONGRENLI GEOTECHNICAL ENG TECH CO LTD

Fabricated slope supporting device

The utility model provides an assembly type slope supporting device, which relates to the technical field of slope supporting and comprises a flexible protective surface layer, a flexible positioning layer is arranged on the outer side of the flexible protective surface layer, and the flexible protective surface layer and the flexible positioning layer are fixedly connected with a slope through a plurality of fixing pieces. According to the utility model, the construction efficiency of foundation pit slope support engineering can be obviously improved, and green and environment-friendly construction can be realized on site.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU

High-pressure pipeline protection structure for construction close to deep foundation pit

The utility model discloses a high-pressure pipeline protection structure for construction close to a deep foundation pit, and belongs to the technical field of civil engineering construction.The high-pressure pipeline protection structure comprises a foundation, the foundation pit, an isolation ditch and reinforcing rods are formed in the foundation, the isolation ditch is located between the foundation pit and a pipeline fixing ditch, and a fixing plate is arranged in the pipeline fixing ditch; two groups of side top plates are arranged above the fixed plate; during use, rapid hoisting can be completed through the four sets of threaded shafts, the influence on the hoisting is further reduced, meanwhile, the side face top plates on the two sides can abut against the top of a foundation, a fixing plate is supported, the pipeline suspension effect is ensured, meanwhile, the suspension height can be adjusted by rotating a fixing nut, and the hoisting efficiency is improved. The top plate can be matched with the supporting plate at the bottom, the pipeline fixing effect is further achieved, the influence of foundation pit construction on surrounding pipelines can be effectively reduced, the safety of the pipelines is guaranteed, and meanwhile it is guaranteed that construction is conducted smoothly.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +1

Unloaded rock mass critical instability time prediction method and device based on Zhairai method

The invention belongs to the technical field of data processing, and discloses an unloaded rock mass critical instability time prediction method and device based on a Zhairai method, and the method comprises the steps: obtaining a rock mass creep deformation monitoring range, and obtaining accelerated creep stage data; according to accelerated creep stage data processing, rock mass creep instability failure time, a first difference value and a second difference value under the excavation unloading condition are obtained; processing according to the first difference value, the second difference value and the rock mass creep instability failure time to obtain a numerical table; and acquiring field monitoring data, and obtaining the field instability failure time according to the field monitoring data and the numerical table. According to the method, creep deformation and damage of unloading rock masses such as underground engineering and slopes can be effectively predicted, consequences caused by unstability and damage of the unloading rock masses are indirectly reduced, and smooth construction of the whole underground engineering and slope excavation engineering is guaranteed.
Owner:GUANGZHOU URBAN PLANNING & DESIGN SURVEY RES INST

A replacement device for the cutterhead seal seat of a tunnel boring machine

This utility model discloses a replacement device for the cutterhead seal seat of a tunnel boring machine (TBM), relating to the field of tunnel engineering machinery technology. Its structure includes a cylindrical section and an end cap located at one end of the cylindrical section. The end of the cylindrical section away from the end cap has an ear seat for connecting a cutterhead replacement fixture. The cylindrical section is hollow and cylindrical, and its outer diameter can mate with the mounting hole of the seal seat and slide axially along the mounting hole. The outer diameter of the end cap is the same as that of the cylindrical section. Multiple telescopic rods are evenly arranged circumferentially within the end cap, and these rods are radially arranged along the end cap and can extend or retract from the edge of the end cap. Applying this utility model allows for the replacement of the seal seat to be pushed to the front end of the cutterhead. After the device is fixed using the telescopic rods, the seal seat is isolated from the water and soil pressure at the front of the cutterhead, enabling the seal seat to be removed and replaced under normal pressure. This solves the technical problem that existing technologies cannot replace the cutterhead seal seat of a TBM under normal pressure.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD

Anti-overturning device for high-speed rail hanging basket construction

This application discloses an anti-tipping device for high-speed railway hanging basket construction, relating to the field of hanging basket construction technology. The device consists of two sets corresponding to the hanging basket, each set including a base, a winding drum, a steel wire rope, a drive assembly, a dual self-locking module, a controller, and an alarm. The winding drum is mounted on the base via a bearing seat, with one end of the steel wire rope wound around the winding drum and the other end connected to the rear anchor beam of the hanging basket. The first self-locking module, based on the principle of centrifugal force, locks the winding drum by engaging a pawl with a brake tooth groove when the winding drum's rotation speed is abnormal. The second self-locking module monitors the hanging basket's posture using an infrared detector; when the tilting threshold is exceeded, a clamping plate tightens the baffle to lock the winding drum. The controller links all components, triggering the locking and simultaneously activating the alarm. This device provides dual anti-tipping protection, real-time early warning, and convenient installation and maintenance. It is suitable for large high-speed railway hanging baskets, significantly improving construction safety and equipment stability.
Owner:CHINA RAILWAY SEVENTH BUREAU GRP NANJING ENG CO LTD

Skid-mounted pump set device

The utility model provides a skid-mounted pump set device, which belongs to the field of unconventional oil and gas resource development devices, and comprises a main agent pry, an auxiliary agent pry and an explosion-proof weighing assembly, the main agent pry comprises a main agent pry frame and a main agent tank, the auxiliary agent pry comprises an auxiliary agent pry frame, an integrated pump set and an auxiliary agent tank, and the auxiliary agent pry frame is connected with the main agent pry frame; the anti-explosion weighing assemblies are detachably connected with the main agent pry frame and the auxiliary agent pry frame, and at least one anti-explosion weighing assembly is arranged at the bottom of the main agent tank and the bottom of the auxiliary agent tank. The main agent tank and the auxiliary agent tank serve as transfer stations between the charging basket and the integrated pump set, so that the device can pump reagents under the condition of no flow interruption, and the pumping efficiency is improved; the problems that an empty pipe of an existing pump set is difficult to start and cannot be fed are effectively solved; compared with a traditional electronic flowmeter, the explosion-proof weighing assembly can guarantee more accurate flow measurement results.
Owner:SICHUAN WELDON CHEM +1

Backfilling structure of large-diameter rain sewage pipeline

The utility model discloses a backfilling structure of a large-diameter rain sewage pipeline, and relates to the technical field of pipeline backfilling. According to the side reinforcing assembly and the auxiliary assembly, the auxiliary assembly comprises an assembly tank body, the side reinforcing assembly comprises an assembly outer box, a two-way lead screw is arranged in the center of the right side in the assembly outer box, and a pipeline body is arranged at the bottom of the two-way lead screw. The side reinforcing assembly is arranged, specifically, the two-way screw rod is rotated anticlockwise, the two-way screw rod drives the two square and round protruding blocks to move in the direction away from each other through threaded connection between the outer surface of the two-way screw rod and the centers of the two square and round protruding blocks on the right side, and when the square and round protruding blocks move in the direction, the reinforcing side plate at the bottom can be driven to move; in this way, the two reinforcing side plates can move by rotating the two-way lead screw, the two reinforcing side plates support the trench wall, trench deformation caused by soil slippage or collapse is avoided, and it is guaranteed that construction can be conducted smoothly.
Owner:JIANGSU DINGKUN DRAINAGE ENGINEERING CO LTD

Metal calcined sand outer wall colored stone paint and preparation method thereof

PendingCN121873618AIncreased durabilityExcellent sagging resistance and excellent workabilityAnti-corrosive paintsRadiation-absorbing paintsCelluloseWeather resistance
The invention relates to the technical field of building coatings, in particular to a metal calcined sand exterior wall colored stone paint and a preparation method thereof. The metal calcined sand exterior wall colored stone paint is prepared from the following raw materials in percentage by weight: 10 to 15 percent of acrylic copolymer emulsion, 60 to 70 percent of metal calcined sand, 10 to 15 percent of pearlescent mica powder, 0.2 to 0.5 percent of hydrophobically modified hydroxyethyl cellulose, 0.8 to 1.2 percent of fumed silica, 0.1 to 0.3 percent of compound preservative, 0.1 to 0.3 percent of coalescing agent, 0.1 to 0.3 percent of defoaming agent and the balance of deionized water, the coating further comprises a UV absorbent and AMP-95. The metal calcined sand outer wall colored stone paint is prepared through a step-by-step feeding and precise rotating speed control technology, has the decorative characteristics of metal color and stone stereoscopic impression, has high durability of weather resistance, stain resistance and color retention and excellent constructability of sedimentation resistance and sagging resistance, is attractive and luxurious, is durable, and has a good application prospect. And the system is suitable for various places with high requirements on building facades.
Owner:HEBEI LIONS NEW MATERIAL TECH CO LTD

Polyurethane waterproof coating as well as composition, preparation method and application thereof

The invention relates to the technical field of building waterproof materials, and discloses a polyurethane waterproof coating as well as a composition, a preparation method and application thereof. The composition comprises a component A and a component B in a mass ratio of 1: (1.5-2.5), the component A contains a first main agent and a first auxiliary agent; the first main agent contains polyether polyol, polyisocyanate and hydrophobic modified fumed silica; the component B contains a second main agent and a second auxiliary agent; the second main agent contains polyether polyol, a composite catalyst, a cross-linking agent and a latent curing agent. When the polyurethane waterproof coating provided by the invention is used for construction, the polyurethane waterproof coating can be rapidly cured in an extremely low temperature and dry environment, the construction efficiency is greatly improved, and sagging is avoided and the appearance is free of pores under the condition of ensuring smooth construction.
Owner:DEZHOU KESHUN BUILDING MATERIALS CO LTD

Prefabricated steel structure building rapid assembly node structure

This utility model discloses a rapid assembly node structure for prefabricated steel structure buildings, relating to the field of steel structure building technology. The utility model includes a first steel structure and a second steel structure disposed at the bottom of the first steel structure, and further includes: a connecting part disposed at the bottom of the first steel structure; and an anti-detachment part disposed at the top of the second steel structure; wherein the top of the anti-detachment part extends into the first steel structure, and the first steel structure is a rod with a connecting block at its bottom; the connecting part includes an upper shell assembly disposed at the bottom of the first steel structure; and two snap-fit ​​assemblies. This utility model, by setting up the connecting part, solves the problem that existing prefabricated steel structure building splicing node structures are complex and cumbersome to install, significantly increasing on-site construction time and labor costs, and prolonging the overall construction time and delaying the construction progress when facing large-scale construction.
Owner:SHANDONG LIRUN CONSTRUCTION CO LTD

Construction method for large-scale complex deep foundation pit without partition wall

This invention relates to a construction method for replacing supports in large, complex, deep foundation pits without partition walls. One side of the support replacement location already has a completed main structure base slab, main structure columns / walls, and main structure floor slabs. Without partition walls, lattice columns and supporting connecting beams are pre-installed. Then, the foundation pit supports can be replaced by installing buttress walls and buttress columns. An automatic servo system is used to compensate for axial force, transferring the axial force of the supports to the buttress walls and buttress columns. Compared with existing technologies, this invention's method for replacing supports in large, complex, deep foundation pits without partition walls eliminates the need for segmented soil retention and excavation during actual construction. It prioritizes the completion of key construction processes for the main structure, significantly shortening the construction period and saving overall project costs.
Owner:TONGJI UNIV ARCHITECTURAL DESIGN INST GRP CO LTD

Wind-resistant device for pavement construction

The utility model discloses a wind-resistant device for road surface construction, which comprises a support frame, a wind shield assembled on the support frame and a counter weight for weight increment, the wind shield comprises a rectangular part and a triangular part arranged on one side of the rectangular part, the triangular part corresponds to the windward side of the wind shield, and when the support frame is limited on a road surface, the triangular part is arranged on the windward side of the wind shield. And the triangular part guides and shunts the wind blown to the wind shield to reduce the wind speed behind the wind shield, so that the wind speed of a pavement construction area can be effectively reduced, a relatively stable low-wind environment is created in the construction area, and smooth construction is guaranteed.
Owner:POWER CHINA AIRPORT CONSTR CO LTD +2

Automatic monitoring device for bridge swivel construction

ActiveCN224202498UReal-time monitoring of tilt angleAvoid safety accidents such as structural instabilityMeasurement devicesControl engineeringConstruction engineering
The utility model discloses an automatic monitoring device for bridge swivel construction, which belongs to the technical field of bridge construction monitoring and comprises a data acquisition module and a control center, the data acquisition module is electrically connected with the control center and comprises an attitude monitoring unit, a displacement monitoring unit and a stress monitoring unit, and the attitude monitoring unit is electrically connected with the control center. The posture monitoring unit comprises a counterweight assembly and an inclination angle monitoring assembly. According to the automatic monitoring device for bridge swivel construction, through structures such as the posture monitoring unit, the displacement monitoring unit, the stress monitoring unit and the counterweight assembly, construction parameters can be monitored in real time, the construction safety and precision are improved, automatic monitoring is achieved, and the construction efficiency is improved. And data analysis and decision making are facilitated to guarantee smooth construction.
Owner:SHANXI XINGFUDA ENTERPRISE MANAGEMENT CONSULTING CO LTD

Square steel connecting piece for novel building materials

The utility model relates to the field of building materials, in particular to a square steel connecting piece for a novel building material, which comprises a floor support plate bottom die, a steel bar truss and a connecting piece, the steel bar truss consists of an upper chord rib, a lower chord rib and a web member, the connecting piece is connected with the floor support plate bottom die through bolts, and the connecting piece is of a hollow tubular structure with two through sides. A through hole is formed in the front face of the connecting piece, a first clamping opening and a second clamping opening with outward openings are formed in the end faces of the two sides of the connecting piece, an inclined face extending downwards is arranged above the second clamping opening, and the lower chord ribs are clamped in the first clamping opening and the second clamping opening respectively. The stability of the steel bar truss in the cement pouring process is enhanced, the possibility that the steel bar truss falls off in the construction process is reduced, and the problems in the background technology can be effectively solved.
Owner:BEIJING RENHE TENGDA AEROSPACE TECH CO LTD

A tunnel construction method for railway transfer

ActiveCN117758621BRealize line transfer and U-turnRealize walkingBridge erection/assembly
This invention discloses a tunnel construction method for railway transfer, comprising: S1, the bridge erecting machine is placed on the track; S2, the entire machine is switched to the new track; S3, the entire machine passes through the tunnel; and S4, the bridge erecting machine is removed from the track. The beneficial effects of this invention are: by properly matching the SGTJ180 bridge erecting machine with the DJ180 railway beam transport trolley, the bridge erecting machine gains track-walking capability. Utilizing the transfer station on the track, the bridge erecting machine can travel on the laid track and switch tracks for turning around. Simultaneously, by adjusting the overall machine posture through the modified railway beam transport trolley, it can safely pass through tunnels on the line. This effectively solves the problem of bridge erecting machines being unable to pass through ballastless tracks inside tunnels and the bridge erecting construction in the transition section between ballast and ballastless tracks at tunnel entrances when using tire-driven bridge erecting machines, ensuring the smooth progress of bridge erecting construction, improving work efficiency, and guaranteeing construction progress.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1

Paver for garden road construction

PendingCN122588946AImprove frost resistanceImprove workability
The application belongs to the technical field of garden construction, and particularly relates to a paver for garden road construction, which comprises a main body, a paving assembly arranged on the main body, a paving mechanism and a driving mechanism, the paving mechanism is arranged on the main body, the driving mechanism is arranged on the main body, the paving mechanism comprises a shaping assembly, a carbonization maintenance assembly and a freeze-thaw resistance and weight optimization assembly, the shaping assembly is arranged on the paving mechanism, the carbonization maintenance assembly is arranged on the paving mechanism, and the freeze-thaw resistance and weight optimization assembly is arranged on the paving mechanism; through the arrangement of the carbonization maintenance assembly, the freeze-thaw resistance and weight optimization assembly injects high-purity compressed nitrogen into the concrete slurry to form micro-bubbles, the bubbles can absorb the expansion stress in the freeze-thaw cycle, greatly improve the frost resistance of the concrete, improve the workability and fluidity of the concrete, reduce bleeding and segregation, cut off the internal capillary, and improve the impermeability.
Owner:SHANDONG JIAYUAN LANDSCAPE TECHNOLOGY CO LTD

Prefabricated wood structure integrated floor connecting device

ActiveCN224591642UGuarantee initial stabilityEliminate construction safety hazards
The utility model relates to the technical field of building construction, and disclose a kind of assembled wood structure integrated floor connecting device, including bearing inclined beam, bearing inclined beam middle portion both sides are equipped with connecting beam, the top surface of two connecting beams is equipped with multiple splicing grooves, bearing inclined beam and connecting beam between multiple connecting piece frames are threadedly connected, in the utility model, through the mutual interference of the interference bevel of swing limiting plate and bevel interference block, the instant limiting of top cut-inclined state floor is realized, when floor slides due to gravity, can respond quickly and form stable constraint, avoid its from splicing groove and floor splicing groove, compared with the problem of lacking effective limiting, floor easy to slip in traditional connecting mode, the mechanism fundamentally eliminates construction safety hazard, while guaranteeing the initial stability of structure connection, without additional temporary fixing by artificial, improves construction safety and efficiency, make construction process more smooth, reduce the occurrence of unexpected situation.
Owner:SHANXI CONSTR INVESTMENT SHANXI NORTHWEST CONSTR IND CO LTD

A method for improving the performance of aerogel coatings using aqueous colorants

The present application relates to a method for improving the performance of aerogel coatings using water-based color paste, including four steps of water-based color paste nanoparticle preparation, environmentally friendly colored water-based color paste preparation, composite phase change aerogel slurry preparation and water-based color paste addition to aerogel; by adding water-based color paste nanoparticles, environmentally friendly dispersants, adding microcapsule phase change materials in the preparation of aerogel, and adding dispersants, bark extraction and various additives in the mixing process of the last two; the water-based color paste is added to the aerogel, which provides a healthier and more environmentally friendly coating option, optimizes the brightness and durability of the coating color, and can improve the appearance quality and service life of the electric products related to water-based color paste coatings, and has a broad market prospect and application demand.
Owner:ZHEJIANG NAMEI MATERIAL TECH

Oil-based drilling fluid with double-wall wall repair fluid, its preparation method and application

ActiveCN119842373BImprove the consolidation effectDurable consolidation abilitySolid waste managementDrilling compositionThermodynamicsCorrosion resistant
This invention relates to the field of drilling engineering technology and provides a wall repair fluid for oil-based drilling fluids, comprising: 20-80 parts by weight of cementitious binder; 40-100 parts by weight of mineral admixture; 5-30 parts by weight of activator; 10-50 parts by weight of oil corrosion resistant agent; 0-100 parts by weight of density regulator; 0-5 parts by weight of flow modifier; 0.1-20 parts by weight of retarder; 0.1-20 parts by weight of fluid loss reducing agent; and 100 parts by weight of water. The repair fluid of this invention is suitable for temperatures (40-180℃) and densities (1.2-2.1 g / cm³). 3 This invention provides a method for preparing and applying a repair fluid. The repair fluid exhibits good compatibility with the oil phase, high safety, and strong resistance to mixing with oil-based drilling fluids. After solidification, it forms a high-strength, oil-corrosion-resistant, and long-term stable interlayer wall, ensuring that the interlayer wall will not break or collapse again, thus guaranteeing the smooth progress of drilling and well completion operations. The invention also provides a method for preparing and applying the repair fluid.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

Overall mobile scaffolding

This utility model relates to the field of scaffolding technology, and more particularly to an integral mobile scaffolding, comprising a support platform; a protective frame, which is vertically fixed to the upper surface of the support platform, forming a working space; multiple working platforms, which are disposed within the working space of the protective frame and connected to it, and are spaced apart relative to each other along the height direction; multiple ladders, which are inclinedly disposed within the working space of the protective frame and connected to it, and are located between adjacent working platforms; and a diagonal bracing assembly, which is inclinedly disposed on the support platform, with one end connected to the support platform and the other end connected to the protective frame. This utility model improves construction efficiency and reduces labor intensity.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD