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66results about How to "Improve construction convenience" patented technology

Automatic site selection method and system for mountain fan hoisting platform

The invention discloses an automatic site selection method and system for a mountain fan hoisting platform, and belongs to the technical field of new energy wind power generation engineering, and the method comprises the steps: obtaining original topographic data, and reconstructing the original topographic data into a digital elevation model with a spatial index; querying the digital elevation model by using a spatial index based on the structural security constraint parameters of the fan foundation, and determining an effective elevation search interval; discretizing a calculation area into grid units in an elevation interval, taking a core area as a seed point, and outputting binary grid data through a potential energy driving cost function and a heuristic search extension platform boundary; performing morphological correction on the binary raster data and calculating the total earthwork amount; and iteratively searching and optimizing a scheme with the minimum total earthwork volume in the elevation interval, and converting the scheme into vectorized engineering primitives to be output. On the premise that the safety of the foundation structure is ensured, the earthwork amount is globally optimal, and the method has the advantages of being high in automation degree, high in terrain adaptability and good in engineering practicability.
Owner:四川电力设计咨询有限责任公司 +1

Modularized steel enclosing purlin assembly convenient to mount quickly

The utility model discloses a modularized steel enclosing purlin assembly convenient to quickly install, which comprises a steel sheet pile, a plurality of steel enclosing purlins and a plurality of steel enclosing purlins, the I-shaped steel enclosing purlins are transversely arranged on the inner sides of the steel sheet piles; the steel support is horizontally arranged between the I-shaped steel enclosing purlins, the steel support comprises a fixed head, a movable head and a supporting column, and the supporting column is arranged between the fixed head and the movable head; the bearing plate is clamped and fixed on the I-shaped steel enclosing purlin in a U shape and is used for bearing the steel support; rectangular mounting plates are arranged at the end of the fixed head and the end of the movable head, a U-shaped sliding rail is arranged on the bearing plate, an opening of the sliding rail faces upwards, and the mounting plates can be embedded in the sliding rail in a sliding mode. According to the steel enclosing purlin assembly, the bearing plates fixed in a clamped mode are arranged, the bearing plates are used for bearing the steel supports, rapid positioning and connection between the I-shaped steel enclosing purlins and the steel supports are achieved, and the construction convenience and the use efficiency of the whole steel enclosing purlin assembly are improved.
Owner:XINFA FIRST CONSTR ENG CO LTD

Highway bridge facilitating water drainage

ActiveCN224620419UDrainage Structure ImprovementEffective drainage structure
This utility model discloses a highway bridge with convenient drainage, comprising a beam body and concrete and asphalt layers arranged sequentially from bottom to top on the beam body. Drainage ditches are provided on both sides of the beam body, with a filter layer at the top of the drainage ditches. A water collection trough of a certain height is reserved above the filter layer. Multiple drainage holes are spaced along the length of the bridge on the filter layer, with filter plugs inside the drainage holes. A drain pipe is provided at the bottom of the drainage holes, with the outlet of the drain pipe extending to the pier foot and connecting to a collection pool. This utility model has a simple structure, high ease of construction, short construction period, and low construction cost. It ensures good drainage effect and is very easy to clean, greatly reducing cleaning costs. The addition of a rainwater collection pool at the pier foot of the highway bridge enables rainwater recycling, which is environmentally friendly and prevents foundation corrosion at the pier foot, thus improving the service life of the bridge.
Owner:GUIZHOU TONGYUAN HIGHWAY SURVEY & DESIGN CONSULTING CO LTD

Middle-shallow geothermal energy buried pipe mounting structure

The utility model discloses a middle-shallow geothermal energy buried pipe mounting structure, which belongs to the technical field of buried pipes and comprises a supporting seat, a bottom plate is fixedly connected below the supporting seat, and an adjusting device is mounted in the supporting seat. According to the utility model, the adjusting device is arranged in the supporting seat and comprises the first threaded rod, the nut and the adjusting hole, so that an operator can rotate the first threaded rod in the mounting process to enable the first threaded rod to move up and down in the adjusting hole so as to drive the whole supporting seat to lift, thereby realizing accurate control on the mounting height of the buried pipe; the nut is fixedly connected to the upper surface of the supporting base, it is ensured that the structure is stable and reliable in the adjusting process, in actual construction, the adjusting mechanism can be flexibly adjusted according to the ground gradient or the concave-convex condition of a foundation, it is ensured that all buried pipes are located at the same elevation position, and uneven heat transfer or buried pipe damage caused by different buried depths is avoided; the system effectively adapts to complex and changeable terrain environments, and the system operation stability is improved.
Owner:XIN YUAN TAI LI NENG YUAN KE JI (BEI JING) YOU XIAN GONG SI

Rectangular frame column settlement observation point pre-burying device and pre-burying construction method

The application discloses a rectangular frame column settlement observation point pre-burying device and a pre-burying construction method. The device comprises a first L-shaped plate, a second L-shaped plate and a gear mechanism. The gear mechanism comprises a hollow rectangular base plate, a gear and a positioning ring. A settlement observation rod is arranged in the positioning ring, the gear and the hollow rectangular base plate. Upper bolts and lower bolts are arranged on the positioning ring. The method comprises the following steps: 1, rectangular frame column steel bar binding and formwork erection; 2, adjustment of the rectangular frame column settlement observation point pre-burying device; 3, installation of the rectangular frame column settlement observation point pre-burying device; 4, installation of the settlement observation rod; 5, concrete pouring and settlement observation rod pre-burying; and 6, removal of the rectangular frame column settlement observation point pre-burying device. After the rectangular frame column formwork is installed, the settlement observation point pre-burying device is used to pre-bury and fix the settlement observation point.
Owner:SCEGC NO 5 CONSTRUCTION ENGINEERING GROUP COMPANYLTD

A side form reinforcement device for increasing a cross-section of a beam

The utility model relates to a side formwork fixing device belongs to the building construction technical field, concretely is a kind of side mould reinforcing device for increasing cross section beam, including reinforcing frame and a pair of reinforcing plate, the both sides of reinforcing frame are equipped with hollow part, further include;Opposite bolt, the opposite bolt is threadedly installed on reinforcing plate, the opposite bolt is clamped on hollow part, and the both ends of the opposite bolt are threadedly installed with matched nut;Push plate, the push plate is slidably installed at the both sides of reinforcing frame, and the side of push plate is equipped with multiple through holes;The utility model has reached the effect of guaranteeing structural stability and applicability, solves the problem that the existing construction device is inconvenient to adaptively adjust the fixing structure according to the size of side mould when using, relative fixed column and horizontal pole, leading to the poor fixing effect of part side mould.
Owner:CHINA CONSTR EIGHTH ENG DIV CORP LTD ZHEJIANG CONSTR CO LTD

Disposable redispersible asphalt powder and preparation method thereof

PendingCN121825265AImprove water resistanceLong-lasting waterproof and anti-corrosion abilityBuilding insulationsInorganic saltsChromate salt
The invention belongs to the technical field of building materials, and relates to disposable redispersible asphalt powder as well as a preparation method and application thereof. The asphalt powder comprises the following components in parts by weight: 100 parts of asphalt, 2-20 parts of an emulsifier, 5-20 parts of protective colloid, 0.5-40 parts of a stabilizer, 1-10 parts of a slow-release complexing agent and 5-20 parts of an anti-caking agent. The slow-release complexing agent is one or more of activated modified borax, modified boric acid, modified sodium silicate or chromate, and the activation mode of the slow-release complexing agent is that an inorganic salt aqueous solution and a part of the protective colloid solution are mixed in advance. The specific slow-release complexing agent is introduced and forms a synergistic system with the emulsifier, the protective colloid and the like, so that the asphalt powder can be quickly redispersed when meeting water for construction for the first time, the complexing agent and a hydrophilic component are subjected to irreversible reaction after drying and film forming, redispersibility is permanently lost, and the technical problem that a traditional product is poor in water resistance after film forming is effectively solved. The product is suitable for the fields of waterproof and anticorrosive dry-mixed mortar, asphalt coiled material base layer treating agents and the like.
Owner:JIANGSU OUXIDUN TECH CO LTD

A heat insulation structure for heating pipelines that is easy to construct and its construction method

ActiveCN117489915BAvoid serious churn problemsAvoid increasing economic costsThermal insulationPipe protection by thermal insulationThermodynamicsInsulation layer
This invention provides an easy-to-construct insulation structure for heating pipelines, comprising: a heating pipeline consisting of an outer pipeline and an inner pipeline; a pressure plate movably fitted onto the surface of the heating pipeline; and a base whose two ends are fixedly connected to the outer wall of the shell. The base is a hollow structure, and a fixing structure is provided on the surface of the heating pipeline inside the base, while a pressing structure is also provided on the surface of the heating pipeline outside the base. This application utilizes a double-layer heating pipeline for heat source delivery and simultaneously delivers an auxiliary heat source inside the heating pipeline. Heat exchange is achieved by heating the auxiliary heat source, thus achieving insulation. Insulation strips and layers are installed on the surface of the heating pipeline to achieve insulation. A spliced ​​insulation layer is used for installation. The base supports the heating pipeline while the fixing and pressing structures compress and fix the insulation layer, achieving vacuum preservation to improve the insulation effect. Auxiliary heat channels are heated inside the shell to prevent heat loss.
Owner:HUANENG JIANGYIN GAS TURBINE THERMAL POWER CO LTD

Angle-adjustable derrick counter-bracing connector and shock-absorbing structure

ActiveCN224717302Ureduce shockReduced risk of collapse
The utility model provides an adjustable angle's boom counter support connecting piece and shock attenuation structure, including upper diagonal bracing connecting piece (1), lower diagonal bracing connecting piece (2), pawl (4), ratchet wheel (3) and diagonal bracing reset spring (5). Upper diagonal bracing connecting piece (1) is fixedly connected with pawl (4), lower diagonal bracing connecting piece (2) is fixedly connected with ratchet wheel (3), and the upper and lower diagonal bracing connecting pieces are connected through the ratchet wheel mechanism, and diagonal bracing reset spring (5) is fixed in diagonal bracing connecting piece corner place. Adjustable angle's boom counter support connecting piece and diagonal support (10), vertical boom (11) constitute integrated shock attenuation structure, provide the ability of resistance horizontal earthquake action for the ceiling structure. When the ceiling is irregular, the boom counter support connecting piece can adjust the structure angle, realize the flexible adaptation of different architectural space, different design demand, greatly reduce the dependence of construction to the basic condition, improve the versatility and construction convenience of ceiling structure.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Duct piece hand hole plugging and template fixing device based on suspender embedded sleeve

The utility model relates to a segment hand hole plugging and template fixing device based on a suspender embedded sleeve. The segment hand hole plugging and formwork fixing device based on the suspender embedded sleeve comprises the embedded sleeve, a suspender and a formwork supporting mechanism. The embedded sleeve is nested at the bottom of a hand hole of a duct piece, internal threads are arranged in the embedded sleeve, the formwork supporting mechanism is mounted at an opening of the hand hole through the hanging rod, one end of the hanging rod is in threaded connection with the embedded sleeve, the other end of the hanging rod is located on the outer side of the formwork supporting mechanism and is in threaded connection with an end nut, and the hanging rod is further sleeved with a middle nut. The middle nut is located in the hand hole. Damage of a traditional drilling fixing mode to the segment structure is avoided, and the construction efficiency and stability are improved; the plugging mechanism is filled with micro-expansive concrete and is combined with a water stop ring, so that the plugging strength and the waterproof performance are effectively improved, the long-term stability of hand hole plugging is ensured, and the construction convenience, the applicability and the waterproof reliability are improved.
Owner:SINOHYDRO BUREAU 14 CO LTD

Wire stringing device for electric power engineering construction

The utility model is applicable to the technical field of electric power construction, and provides a stringing device for electric power engineering construction, which comprises a movable frame, a reel is rotatably mounted on the movable frame, the reel is driven by a motor arranged on the movable frame, a cable is wound on the reel, a mounting frame is further arranged at the front end of the reel on the movable frame, and the mounting frame is connected with the movable frame. A through hole for a cable to penetrate through is formed in the mounting frame, a cutting mechanism is arranged on the side, located on the through hole, of the mounting frame, and a fixing mechanism is arranged on the other side of the mounting frame. The cutting mechanism can directly cut the cable, and a constructor does not need to additionally carry a cutting tool, so that the construction convenience is improved; the fixing mechanism drives a screw rod by rotating a rotary knob, so that a pressing plate is matched with a supporting plate, a cable is clamped through an arc-shaped groove, cable loosening caused by reverse rotation of a wire coil when the cable is cut off is prevented, the problems existing in an existing device are solved, and the construction efficiency and safety are improved.
Owner:ANHUI BAICHEN ELECTRIC POWER ENGINEERING CO LTD

Movable supporting platform for building engineering construction

The utility model discloses a movable supporting platform for building engineering construction, which comprises a supporting frame and a supporting platform, the supporting platform is arranged on the supporting frame, and an adjusting supporting expansion type platform structure is arranged on the supporting frame; the adjusting, supporting and unfolding type platform structure comprises a mounting groove, a platform sealing plate, a climbing ladder, two pairs of moving wheels, a pair of telescopic fixing rods, a protective fence, a folding platform, two pairs of embedded rods, two pairs of combined grooves, two pairs of telescopic adjusting rods, two pairs of locking pins, a protective baffle and an adjusting and supporting assembly. The building construction platform relates to the technical field of building construction equipment and has the beneficial effects that the problems that an existing building construction platform mostly adopts a fixed structure and needs to be integrally disassembled and carried during moving, the equipment is inconvenient to move, and the platform is of a fixed size, cannot be adjusted according to construction requirements, is difficult to adapt to different working conditions and is inconvenient to move are solved; and the flexibility is insufficient in a narrow space or when large-area operation is needed, so that the construction effect and the construction efficiency are influenced.
Owner:辽宁巨尚新材料有限公司

A construction platform for installing air-ductless steel longitudinal beams in cable-stayed bridges

This utility model discloses a construction platform for installing air-ductless steel longitudinal beams in cable-stayed bridges, relating to the field of cable-stayed bridge steel beam installation technology. It includes a construction platform with a side support fixedly connected to one side of its top. Telescopic horizontal bars are installed at the four corners of the top of the platform, with pulleys installed at the ends of the horizontal bars. Steel longitudinal beams are installed on the side supports, and side protective components are installed around the perimeter of the platform. This utility model solves the problems of complex construction and difficult movement of traditional platforms by integrating the construction platform and telescopic horizontal bars. It is convenient to install and allows for flexible position adjustment, significantly accelerating the installation progress of the steel longitudinal beams. Furthermore, the side protective components reduce the risk of worker falls. The fixed connection between the side supports and the steel longitudinal beams ensures precise alignment between the platform and the main beam of the cable-stayed bridge. It adapts to the special structure of air-ductless steel longitudinal beams, and the telescopic horizontal bars can smoothly pass through the transverse diaphragms of the steel longitudinal beams.
Owner:SICHUAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD

Fixing structure of a metal roof tile batten connecting piece and a ridge beam

ActiveCN224351501UEasy installation and constructionSolve the problem of inconvenient fixed rootingRoof covering using tiles/slates
The utility model relates to the technical field of building construction, and disclose a kind of slope roof metal roof tile batten connecting piece and ridge beam's fixed structure, including the ridge beam of civil engineering structure and the slope roof of ridge beam connection setting, ridge beam top fixed ridge modeling, slope roof top is provided with roof tile, roof tile is fixedly connected with ridge modeling, roof tile includes keel, and keel is fixedly connected between ridge beam by connecting mechanism, connecting mechanism includes connecting piece and support piece, connecting piece can be adapted to sleeve on ridge beam, and connecting piece and ridge beam are fixedly connected between by fastener, and fastener includes tension bolt, connecting piece and ridge beam correspond to set through connecting hole, tension bolt is arranged in connecting hole, the outside of connecting piece is fixed support piece, and the end of keel towards ridge beam is supported on support piece and is fixedly connected with support piece, improve the stability and construction convenience of metal roof tile on slope roof installation.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD +1

A new type of heliostat stand

ActiveCN224396155Ureduce the overall diameterreduce wall thicknessSolar heating energyTowersHeliostatTower
The utility model discloses a novel heliostat stand column relates to tower type solar thermal power generation technical field, including the stand column body and the flange disc of setting at the top of stand column body, and the stand column body is the tubular structure of upper and lower port through and overall hollow, and the stand column body bottom part inserts the concrete, and the stand column body bottom part is located in the concrete and is provided with the opening section, and the opening section is uniformly distributed with a plurality of weight reduction holes for improving and the concrete bonding degree on the circumference array. The stand column body of the utility model adopts the circular thin -walled pipe structure design, reduces the stand column diameter and wall thickness, and the material and transportation cost are reduced significantly. The opening section is equipped with the circumferential distribution's strip or circular weight reduction hole, can improve the bonding degree of concrete and steel stand column, reaches the purpose that steel stand column and concrete integration works, effectively promotes the torsional and tensile capacity of stand column.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP

A modular floor system incorporating a heating system

This utility model discloses a prefabricated floor system with a heating system, including a structural floor deck; a base slab above the structural floor deck, forming a pipeline separation cavity layer between the base slab and the structural floor deck; multiple through-hole anchor components, with several through-hole anchor components arrayed between the prefabricated holes penetrating the base slab and the structural floor deck, used for leveling and supporting the base slab; an insulation layer above the base slab, with underfloor heating pipe grooves for laying underfloor heating pipes; a buffer balancing plate and a decorative panel laid above the insulation layer; point support and leveling on the slab are achieved by using through-hole anchor components, combined with foaming and anchoring technology, improving support stability and construction convenience; the pipeline separation cavity layer allows for flexible pipeline arrangement; thus, the floor system achieves a comprehensive effect of reversible disassembly, environmental friendliness, constant temperature and noise reduction.
Owner:HEYI HOUSING (BEIJING) TECH DEV CO LTD

Air duct butt joint installation auxiliary device

The utility model provides an air duct butt joint installation auxiliary device. The air duct butt joint installation auxiliary device comprises a butt joint mechanism located in the middle, positioning assemblies connected to the two sides of the butt joint mechanism in a telescopic mode, and telescopic parts arranged between the butt joint mechanism and the positioning assemblies. The butt joint mechanism comprises a fixing base and locking assemblies arranged at the two ends of the fixing base respectively. The locking assembly comprises two oppositely-arranged locking blocks and a transmission assembly connected to the fixing block, and the transmission assembly is driven to enable the two locking blocks to be relatively close to or away from each other. A limiting space is defined by the two locking blocks, a positioning space is formed in the positioning assembly, and the axis of the positioning space and the axis of the limiting space are arranged in the same straight line. According to the air duct centering device, the axes of the two air ducts can be determined to be in the same straight line, centering is achieved while locking is conducted, and the two air ducts do not need to be subjected to coaxiality adjustment preparation work independently.
Owner:HEBEI DUCHUANG ELECTROMECHANICAL ENG CO LTD

A connecting structure of a steel structure joint

ActiveCN224412804UAccurateReduced Alignment DifficultyJoint (building)Steel structures
The utility model provides a kind of connecting structure of steel structure node, it is related to building steel structure technical field, comprising: fixed column and positioning structure;The side surface of the fixed column is provided with clamping groove, and the outside of fixed column is equipped with positioning structure, and positioning structure contains following components: connecting concave frame: be equipped in one side of fixed column, the side wall of connecting concave frame is fixedly connected with first insert strip, and first insert strip is inserted in clamping groove, and the both ends of connecting concave frame are fixedly connected with first tab, and first tab is provided with first perforation;By setting positioning structure, it realizes the accurate and fast alignment of beam and column, not only greatly reduces the alignment difficulty of worker, more conveniently worker fastens and installs bolt, avoids bolt from being unable to accurately install due to misplacement, significantly improves construction convenience, simultaneously, in the double restraint mechanism of positioning angle frame and bolt, further improves node shear capacity, effectively enhances the overall stability of steel structure, provides reliable guarantee for building safety.
Owner:NINGXIA CAIXIN HENGJI CONSTRUCTION TECHNOLOGY CO LTD

Metal sheath fireproof pre-branched cable

The utility model discloses a fireproof pre-branch cable with a metal sheath, which comprises a main cable and at least one branch cable, and a fireproof branch joint is arranged at the joint of the main cable and the branch cable. Each of the main cable and the branch cable comprises a conductor, a main insulating layer, a metal sheath layer, a fireproof layer and an outer sheath which are sequentially arranged from inside to outside; the fireproof branch joint comprises a metal sleeve sleeved outside a connecting part, so that the safety is improved, the sealing failure caused by thermal expansion and cold contraction of a traditional joint is avoided, and the fire resistance of the joint is ensured to be consistent with that of the cable body.
Owner:CHENGDU JINDING ELECTRIC WIRE CABLE CO LTD

A "sandwich" type construction method for preventing settlement in the core area of ​​a first-floor building.

This invention relates to the field of backfill construction technology for building structures, and discloses a "sandwich" type anti-settlement construction method for high embankments in the first floor. The method includes: compacting the original soil in layers; pouring C15 plain concrete on the soil layers as a primary anti-settlement cushion layer and also serving as the foundation for the construction scaffold; after the scaffold is dismantled, pouring fluidized solidified soil with micro-expansion characteristics as a core "sandwich" layer to offset creep a second time, with a mix ratio of soil:solidifying agent:water = 10:1:3.5; and constructing C25 concrete with embedded steel mesh on the solidified soil as a tertiary anti-settlement cushion layer. This application can effectively control the settlement of high embankments through a "rigid-flexible-rigid" gradient reduction mechanism, utilizing the synergistic effect of multiple differentiated materials to ensure structural bearing capacity while avoiding the risk of ground cracking, realizing the resource utilization of waste soil, and significantly reducing construction and subsequent maintenance costs.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Operating platform and construction method for shoal steel trestle steel pipe pile foundation guide hole

The invention belongs to the technical field of bridge construction equipment, and particularly relates to a shoal steel trestle steel pipe pile foundation guide hole operation platform and a construction method.The shoal steel trestle steel pipe pile foundation guide hole operation platform comprises a platform body, four supporting legs and an automatic leveling system, the four supporting legs are located at the four corners of the bottom face of the platform body respectively and connected with the platform body, and the automatic leveling system is in linkage fit with the platform body and the supporting legs; the automatic leveling system can cope with platform inclination caused by natural factors such as tidal water scouring and stormy waves in real time, and can resist the influence of three-level stormy waves; meanwhile, due to the design of an anti-skid cover plate, a cable storage groove and the like of the platform, potential safety hazards in the construction process are further eliminated, and the safety of constructors and equipment is comprehensively guaranteed; the platform main body is designed by adopting high-strength steel, so that the bearing capacity is high, and various drilling machines can be adapted; a reserved hoisting interface and a reserved cable storage groove facilitate installation and arrangement of equipment, and construction convenience is improved; the whole platform is simple in structure, convenient to operate and easy to maintain, and has good application and popularization value.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV

Integrated intelligent gantry apparatus

The utility model relates to the technical field of standardization power distribution area, especially relates to a kind of integrated intelligent rack equipment, integrated intelligent rack equipment includes low voltage module, voltage transformation module and rack, the low voltage module and the voltage transformation module room are all arranged on the rack;The low voltage room is connected with the transformer room by plug-in assembly, to realize modular assembly.The main purpose of the utility model is to propose a kind of integrated intelligent rack equipment, to reduce the overall size of equipment, save cost, shorten construction period, greatly reduce flashover and short-circuit failure probability, reduce maintenance cost.
Owner:GUANGZHOU ELECTRIC POWER ENG DESIGN INST

A corner process for aluminum-clad wood doors and windows

This invention relates to the field of door and window technology, and discloses an aluminum-clad wood door and window corner process, including an aluminum corner structure, a wood frame assembly, and a snap-fit ​​connection mechanism. The process includes the following steps: aligning the boss at the end of the wood frame with the guide groove of the aluminum corner, and inserting the boss into the guide groove at a 45° angle; rotating the wood frame to a vertical position until it is engaged and locked by the snap-fit ​​connection mechanism, and confirming that the wood frame is not loose after locking; applying weather-resistant sealant between the wood frame strip and the wood frame, and using self-tapping screws with anti-loosening structure to fix the wood frame strip and the wood frame together, completing the assembly. By using a standard aluminum corner and snap-fit ​​connection, the automatic engagement characteristic of the snap-fit ​​connection simplifies the on-site assembly process. The improved structure reduces the processing precision requirements of the wood components, reduces the scrap rate caused by dimensional deviations, and improves the utilization rate of raw materials, solving the shortcomings of low on-site assembly efficiency, high dependence on personnel skills, and serious waste of raw materials.
Owner:BEIJING MELOOK DOOR & WINDOWS COP +1

Round corner groove dry hanging connecting piece

The utility model belongs to the technical field of dry hanging connecting pieces in the building industry, and particularly relates to a fillet groove dry hanging connecting piece. A first concave-convex surface is arranged on the first connecting piece; the second connecting piece is installed on the first connecting piece and provided with a second concave-convex face, the second concave-convex face is in contact connection with the first concave-convex face, and concave-convex textures of the second concave-convex face and the first concave-convex face are completely matched. Compared with the prior art, the utility model has the beneficial effects that the first connecting piece and the second connecting piece are respectively provided with the concave-convex surfaces, and the concave-convex textures are matched, so that the dislocation is avoided, the friction force is increased, and the stability of dry hanging operation is enhanced; the matching degree of the concave-convex textures can be used for visually judging whether the bolt is installed in place or not, the problem that the bolt is excessively screwed or not installed in place is solved, the strength of a connecting piece and the overall engineering quality are improved, and the safety and rationality of the engineering quality can be conveniently detected in the later period. The concave-convex texture on the outer surface of the counterbore can replace a spring hanging piece, friction between the counterbore and a bolt is increased, and construction is convenient.
Owner:THE FOURTH OF CHINA EIGHTH ENG BUREAU

An SRC stiff connecting node structure

ActiveCN224663780UNot affected by forceAvoid longitudinal steel bar collisions
The utility model discloses a kind of SRC rigid connecting node structures, including rigid column part and rigid beam part, rigid column part includes steel column and the first concrete part wrapped in the steel column outside, rigid column part is parallel to vertical direction setting;Rigid column part is equipped with one metal sealing plate along the two sides of first direction, and metal sealing plate is welded and fixed with steel column;Rigid beam part is arranged in the two sides of rigid column part along first direction, and rigid beam part includes steel beam and the second concrete part wrapped in the steel beam outside;Steel beam is welded and fixed with metal sealing plate;Rigid column part is equipped with connecting plate along at least one side of second direction, and connecting plate includes integrally formed first steel plate part and second steel plate part, first steel plate part is welded and fixed with steel column, and second steel plate part is welded and fixed with steel beam;The utility model can avoid the longitudinal steel bar collision of steel beam and steel column, save the necessary connecting process of part longitudinal steel bar of steel beam and steel column, increase construction convenience and shorten construction period.
Owner:CHINA CONSTR SCI & IND CORP LTD

A new type of exterior wall aluminum plastic plate

The utility model discloses a novel outer wall aluminum plastic plate, its structure includes upper layer aluminum sheet, middle layer structure and lower layer aluminum sheet, and the upper layer aluminum sheet is identical with lower layer aluminum sheet structure. Advantageous effects: the utility model discloses through the setting of elastic connecting mechanism and the collaborative innovation of limiting groove and limiting strip, the technical pain point of traditional aluminum plastic plate easy deformation, stratification, poor weather resistance has been solved, has high strength, high durability, light weight and convenient construction, is applicable to high -end outer wall decoration, curtain wall engineering and severe environment building, has remarkable technical advantage and market competitiveness.
Owner:FUJIAN RUIFU CONSTR DEV CO LTD

Highway roadbed support welding machine

PendingCN121946053AAchieve stable clampingSimple replacement operationWelding/cutting auxillary devicesAuxillary welding devicesElectric machineryStructural engineering
The highway subgrade support welding machine comprises a working table and a moving table, a foldable containing table is arranged on one side of the working table, a sliding rail structure extending to the containing table is arranged at the top of the working table, and the moving table is installed on a sliding rail and can move in a reciprocating mode; a welding table is arranged on the workbench, and multiple sets of limiting parts and limiting assemblies correspondingly clamped are arranged in fixing areas on the two sides of the welding table. A bearing plate and a driving motor with an eccentric wheel are arranged in the fixing area and installed on the different limiting assemblies respectively, the support body is arranged on the bearing plate and pressed by the eccentric wheel, and the welding position is located above the welding table. The workbench is further provided with a first welding assembly and a second welding assembly. The welding machine can adapt to support bodies of different specifications, the problems that a traditional welding machine is inconvenient to fix and poor in adaptability, and the quality of a welding seam is poor due to the fact that a support is prone to deviation in the welding process are solved, and the welding efficiency and stability are improved.
Owner:HUBEI MINGSHENG CONSTRUCTION ENGINEERING CO LTD SUIXIAN BRANCH