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19results about How to "Improve on-site construction efficiency" patented technology
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Permanent and temporary combined assembly type underground structure plate wall connecting joint
ActiveCN224213363UGuaranteed Strengthensure safetyArtificial islandsUnderwater structuresSlurry wallArchitectural engineering
The utility model discloses a permanent and temporary combined assembly type underground structure plate wall connecting node which comprises an assembly type underground diaphragm wall, a full-length steel plate is installed on the side wall of the assembly type underground diaphragm wall, and a prefabricated structure plate is hoisted on the full-length steel plate. The gap between the prefabricated structural slab and the fabricated underground diaphragm wall is filled with ultra-high-performance concrete, and a steel bar structure is arranged in the ultra-high-performance concrete. According to the utility model, the rigid connection between the two prefabricated parts is realized, the integrity of the structure is improved, and the safety and durability of the underground structure are fully ensured; an underground diaphragm wall which is usually used as a temporary structure is changed into a permanent structure, so that the construction period is shortened, and the investment is saved; the ultra-high performance concrete poured in the joint can greatly shorten the anchoring length of the steel bars, enlarge the arrangement distance of the steel bars, obviously reduce the using amount of the steel bars on site and the binding workload, is convenient to install and simple in process, obviously improves the construction efficiency, and has high popularization and application value.
Owner:CHINA RAILWAY DESIGN GRP CO LTD
Portable building construction material lifting device
ActiveCN224118653UGood portability and mobilityImprove on-site construction efficiencyLoad-engaging elementsCranesGallowsVehicle frame
The utility model belongs to the technical field of building construction, and particularly relates to a portable building construction material lifting device which comprises a J-shaped frame, a vertical beam is welded to the upper portion of the J-shaped frame, a frame hook portion is arranged at one end of the J-shaped frame, a bottom locking rod is installed in the frame hook portion in an inserted mode, and a top locking rod is installed at the top of the vertical beam in an inserted mode. A lifting frame is welded between the vertical beam and the J-shaped frame, a lifting motor is installed on the lifting frame, a rotating disc shaft is installed at one end of the lifting frame through a bearing, traction rope rotating discs are arranged at the two ends of the rotating disc shaft, a hanging bracket traction rope is wound around the traction rope rotating discs, and a material hanging bracket is connected to the lower end of the hanging bracket traction rope. A supporting plate is installed at the upper end of the top locking rod, moving wheels are arranged at the bottom of the hook portion of the frame, and a frame push rod is further welded between the J-shaped frame and the vertical beam. The device is compact in structure and convenient to install, and the problems that a traditional material lifting device is poor in mobility, insufficient in safety and the like can be effectively solved.
Owner:ANHUI TIANLI HUANENG CONSTR ENG CO LTD
Formwork for station interior column enlarging construction
The utility model provides a kind of formwork for station internal stand column diameter expansion construction, including steel hoop assembly and wooden formwork assembly;The wooden formwork assembly includes two semicircular templates, and two semicircular templates are formed into a whole circle by surrounding and splicing;The template includes melamine board layer, plywood layer, support batten layer and assembled batten layer from inside to outside in turn;The melamine board layer and plywood layer are fixed by adhesive method, for making the template inner surface even;The support batten layer is arranged around the outer periphery of the plywood layer by adhesive method, for whole circle support;The assembled batten layer is wrapped outside support batten layer for constraining the overall shape of the template;The steel hoop assembly includes a pair of semicircular steel hoops arranged in pairs, a pair of semicircular steel hoops are used for locking outside wooden formwork assembly, and each steel hoop assembly is arranged equidistantly along the length direction of wooden formwork assembly.The template has the advantages of improving construction efficiency and ensuring the appearance quality after stand column diameter expansion.
Owner:SINOHYDRO BUREAU 11 CO LTD
A light-weight steel structure reinforcing device for a railway locomotive
The utility model discloses a kind of light steel structure reinforcing devices for railway locomotive, it is related to steel structure technical field.The utility model includes fixed assembly, connecting assembly being installed on fixed assembly and crossbeam being installed on connecting assembly, fixed assembly includes the fixed frame with trapezoidal limit slot and first limit piece, connecting assembly includes the connecting frame with trapezoidal lug, second limit part and guide pillar, crossbeam is slidably matched with the crossbeam guide slot on connecting frame by guide block.The utility model realizes quick positioning by the cooperation of trapezoidal groove and lug, completes automatic locking using spring pressing effect, realizes mechanical self-locking by the linkage of guide pillar and cross rotating piece, effectively prevent vibration loosening, simultaneously, quick disassembly is realized by the movement of T-shaped slider in L-shaped limit sliding groove, ensure the reliability of connection, and improve installation and maintenance efficiency.
Owner:CHANGZHOU QF MASCH & ELECTRIC CO LTD
A laser pointing device for rapid centering of PCCP pipe
A kind of laser pointing device for PCCP pipe inner quick division, including ruler body, ruler body includes rectangular frame and back plate installed in the back of rectangular frame, and cover plate installed in the front of rectangular frame;The upper center position of rectangular frame is installed with pipe leveler;The center axis of laser pointing device is coaxial with the center line of pipe leveler, and laser pointing device is fixedly installed in the lower aspect plate center of rectangular frame;Power supply box is fixedly installed on the back plate at the right side panel of the inside of rectangular frame, and power supply switch that projects the right side panel of rectangular frame is arranged on the right side of power supply box, and laser pointing device is electrically connected with power supply box;The present application has the advantages of simple structure, convenient operation, can quickly place ruler body in the inner port of PCCP pipe, and adjust to horizontal state, open power switch, the laser beam emitted by laser emitter can quickly determine the center line of pipe, so that the precision of subsequent measurement is significantly improved, effectively reduces the pipe installation error, improves the pipe installation quality.
Owner:SINOHYDRO ENG BUREAU 4
Support assembly for solar module cable inclination and solar power system
The utility model belongs to photovoltaic power generation technical field, concretely relates to a kind of support assembly and solar power generation system for solar module cable inclination, including first support piece and second support piece, first support piece includes the first mounting plate for being connected with solar module, the first fixed plate for being fixed with steel cable and the first connecting piece for connecting first mounting plate and first fixed plate;Second support piece includes the second mounting plate for being connected with solar module, the second fixed plate for being fixed with steel cable and the second connecting piece for connecting second mounting plate and second fixed plate;The support height of first support piece is less than the support height of second support piece.The utility model can realize solar module on steel cable according to certain inclination fixed by cooperation using first support piece and second support piece, can effectively increase the solar radiation received by component within unit time, to improve the power generation of solar module, and the structure of first support piece and second support piece is simple, and manufacturing cost is low.
Owner:JIANGSU DONGZHONG NEW ENERGY TECHNOLOGY CO LTD
A method for preparing a steel fiber reinforced graphite tailing cement-based composite filling material and application thereof
PendingCN122102598AImprove core performanceAvoid insufficient filling effectSolid waste managementMaterial fill-upSlurryGraphite
The application relates to a preparation method and application of a steel fiber reinforced graphite tailing cement-based composite filling material, and relates to the technical field of coal mine goaf foundation repair. A screening-impurity removal-drying combined process is adopted to obtain graphite tailing particles; in the critical range of 15%-20% of the graphite tailing content, each component is weighed according to the proportion, including steel fiber, cement, graphite tailing and mixing water, and a water reducing agent is selected according to the requirement; the steel fiber, the cement and the graphite tailing are mixed until the materials are uniformly mixed; the mixing water is added twice, the water reducing agent is pre-dissolved at the second time, and wet mixing is performed until a uniform slurry is obtained; after stirring is completed, the slurry fluidity is detected by using an expansion degree method, and the expansion degree is ensured to be 200-250 mm. The critical content range of the graphite tailing is determined, the mechanical properties-water cement ratio-water permeability performance of the composite filling material are synergistically optimal, the grouting fluidity and the late strength development are considered, and the performance requirement of the coal mine goaf foundation repair is met.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Corner connector for LED lamp strip
ActiveCN224204441Ufixed tightlyavoid shakingElectric circuit arrangementsCoupling device detailsStructural engineeringLED lamp
The utility model discloses an LED lamp strip corner connector which comprises a bottom shell, two lamp strip connecting grooves with a preset included angle and a containing groove connected between the two lamp strip connecting grooves are formed in the bottom shell; the conductive connecting assembly is assembled in the containing groove and provided with two sets of conductive elastic pieces extending into the two lamp strip connecting grooves. Wherein the lamp strip connecting groove is internally provided with a lamp strip inserting guide part extending out of the outer side wall of the containing groove, and the conductive elastic piece is connected to the lamp strip inserting guide part; the bottom shell is rotationally connected with a first cover plate capable of covering the lamp strip connecting groove in a buckled mode, and a lamp strip profiling cavity is defined by the first cover plate and the lamp strip connecting groove. According to the scheme, by improving the structure of the corner connector, the stability of mechanical connection between the corner connector and the LED lamp strip and the stability and reliability of electric connection between the corner connector and the LED lamp strip can be improved.
Owner:SHENZHEN SOULIN ELECTRONICS TECH CO LTD
Gluing-free concrete hanging plate
ActiveCN224213700USolve the problem of unstable quality perceptionImprove on-site construction efficiencyCovering/liningsArchitectural engineeringStructural engineering
Owner:TIANBAO CONSTR GROUP
A mobile protection device for a working well
ActiveCN224413197Ueasy to moveImprove on-site construction efficiencyBraced frameArchitectural engineering
The utility model relates to the technical field of building construction protection, specifically relates to a mobile protection device of working well, including slide rail base, protection shed and lateral protection mechanism, the top surface of slide rail base is equipped with the channel lengthways, the protection shed includes support frame and shed roof component, and the support frame includes several stand columns, and the stand column bottom is equipped with the pulley, and the pulley is nested with the channel cooperation, and the support frame is detachably connected with the shed roof component, and the lateral protection mechanism sets up between the adjacent stand columns. The cooperation of pulley and channel can realize the movement of protection shed along the slide rail base, and the flexible movement of protection shed is convenient according to the construction demand, overcomes the defect that protection shed is welded and sets up fixedly, improves the field construction efficiency, simultaneously, through lateral protection mechanism, the lateral protection effect of protection shed can be improved, rainwater and lateral landslide material are prevented from invading from the lateral wall of protection shed, the protection effect of protection shed is better, can ensure the continuous construction in the rainstorm season, avoids causing the delay of construction period.
Owner:ELECTRICITY AFFAIR ENG COMPANY OF CHINA RAILWAY NO 8 ENG GRP +1
Large steel-faced modular structure and method of construction thereof
ActiveCN117988520BSolve the difficult problem of one-time grouting being inaccessibleSolve the difficult problem of inaccessible grouting
This invention relates to the field of modular design and construction technology for nuclear engineering civil engineering, and discloses a large steel-clad modular structure and its construction method. The large steel-clad modular structure includes: a bottom steel-clad module; side wall steel-clad modules, with multiple side wall steel-clad modules arranged circumferentially around the side edges of the bottom steel-clad module; and a top steel-clad module, suitable for connection with the bottom steel-clad module and multiple side wall steel-clad modules to form an integral large steel-clad modular structure. The top steel-clad module is provided with multiple first compartments and multiple second compartments, the first compartments being grouting areas, and the second compartments being areas for subsequent steel cladding, with the area of the second compartments being much smaller than that of the first compartments. The large steel-clad modular structure provided by this invention realizes the overall hoisting, pouring, and one-time grouting of the steel cladding of the room, greatly reducing on-site welding and weld inspection of the steel cladding, improving construction efficiency and quality, and reducing labor input and construction cycle.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD
Liquefied natural gas filling station
The liquefied natural gas filling station disclosed by the application comprises a first module, a second module and a cofferdam, the first module comprises a storage tank assembly and a pump sled, the pump sled is located at one side of the storage tank assembly, and the storage tank assembly is connected with the pump sled through a pipeline assembly; the second module comprises a dispenser assembly, the dispenser assembly comprises at least one dispenser, and the dispenser is connected with the pump sled; the first module and the dispenser are arranged inside the cofferdam. The liquefied natural gas filling station disclosed by the application integrates the storage tank assembly and the pump sled in the first module, the pump sled is located at one side of the storage tank assembly, the land occupation area of the pump sled and the storage tank assembly as a whole can be reduced, the length of the pipeline assembly between the pump sled and the storage tank assembly can be shortened, and the inflection point of the pipeline assembly can be reduced; the dispenser is arranged inside the cofferdam, the connecting pipeline between the dispenser and the pump sled and the storage tank assembly can be shortened, and the land occupation area of the whole can be reduced; the storage tank assembly and the pump sled are integrated, the on-site construction time can be reduced, and the on-site construction efficiency can be improved.
Owner:TIANJIN BAIYAN TECH CO LTD
A building outrigger side formwork reinforcement system
ActiveCN117403880BTo achieve reinforcementImprove on-site construction efficiencyForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksArchitectural engineeringStructure support
This invention relates to the field of building construction technology, specifically to a building exterior beam side formwork reinforcement system. The system includes a precast top formwork for the exterior beam, installed on one side of the building structure. An overlapping frame is fixed to the surface of the precast top formwork, overlapping the top of the building structure. The beneficial effects are: the building exterior beam side formwork reinforcement system proposed in this invention integrates the support formwork and the reinforcement system. Specifically, after the optimized design of the precast top formwork, precast bottom formwork, and precast side formwork for the exterior beam is assembled, it constitutes the support structure of the exterior beam, i.e., the casting formwork. Furthermore, the connection structure between the precast top formwork, precast bottom formwork, and precast side formwork acts as the reinforcement system. That is, the support formwork itself fulfills the reinforcement function. During the assembly of the formwork, reinforcement is simultaneously achieved, which is beneficial for improving on-site construction efficiency.
Owner:HENAN PROVINCE CONSTR GRP CO LTD
一种用于L型柱架柱模板的可调加固装置
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV +1
Roadbed settlement monitoring device
ActiveCN224216079Uquick stitchingquick releaseFoundation testingRod connectionsStructural engineeringMechanical engineering
The utility model relates to the technical field of monitoring devices, and discloses a roadbed settlement monitoring device which comprises two measuring rods, the two measuring rods are distributed up and down, the interiors of the two measuring rods are of hollow structures, a plurality of sliding blocks are fixedly installed on the surfaces of the two measuring rods, and a plurality of through grooves are formed in the surfaces of the two measuring rods. According to the monitoring device provided by the utility model, through the guide cooperation of the slide block and the L-shaped groove and the automatic locking structure of the clamping block and the first spring, the rapid splicing and dismounting between the upper and lower measuring rods are realized, the dismounting convenience of the device is improved, the locking can be realized only by aligning the slide block and the L-shaped groove and pressing and rotating the slide block and the L-shaped groove during splicing, the whole measuring rod does not need to be rotated, the field operation intensity is reduced, and the working efficiency is improved. The device can flexibly meet the increasing and decreasing requirements of measuring rod sections with different embedding depths, locking of the clamping block on the sliding block can be relieved only by pulling down the moving ring during disassembly, the problem of thread corrosion clamping stagnation does not need to be solved, the repeated utilization rate of the device is increased, and the field construction efficiency of roadbed settlement monitoring is remarkably improved.
Owner:陕西省交通规划设计研究院有限公司
A rapid installation device for metro section pipe
The utility model discloses a subway section pipeline quick installation device, solved the subway section pipeline installation efficiency low, the big problem of safety risk in the prior art. The utility model discloses a track car, and the track car is matched with the track of being set in the subway tunnel along the axial direction, is equipped with the hoisting frame and the pipeline storage frame on the track car, and the hoisting frame is the structure frame of wide upper narrow, is equipped with the lifting appliance moving rail of being set along the subway tunnel radial on the hoisting frame, is equipped with the pipe lifting appliance of being able to move along the lifting appliance moving rail on the lifting appliance moving rail. Subway section pipeline quick installation device of this embodiment, fully use mechanized equipment, greatly reduce the labor, improve the field construction efficiency, ensure field construction progress. Subway section pipeline quick installation device mechanization degree is higher, reduced the link of manual handling pipeline, greatly reduced the safety risk in the construction process.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD
A magnesium phosphate bead for emergency repair cement capable of melting ice and removing snow, a preparation method thereof, and a repair method
ActiveCN117865640BNo pollution in the processImprove toughnessPaving detailsMagnesium phosphateMagnesium orthophosphate
The present application relates to a kind of magnesium phosphate beads for emergency repair cement that can melt ice and remove snow, its preparation method and repair method, the beads include PVA water-soluble film and content, content includes by mass fraction: dead-burned magnesia 2-3 parts, ammonium dihydrogen phosphate 1 part, retarder 0.15-0.25 parts, acrylamide 0.3-0.6 parts, ammonium persulfate initiator 0.03-0.06 parts, fine aggregate 3.98-4.41 parts. After stirring and mixing each component, the mixed material is obtained, and the beads are prepared by wrapping with PVA water-soluble film according to different mass fractions. The present application determines the total amount of magnesium phosphate cement concrete required for the repair area and the mass of magnesium phosphate beads and water, places the required magnesium phosphate beads in the position to be repaired, adds water, and the components in the film react to complete the repair. The present application only needs to place a certain amount of magnesium phosphate beads and water at the repair position to achieve repair, simplifies the construction procedure, improves the construction efficiency, and has the function of melting ice and removing snow.
Owner:SOUTHEAST UNIV
Purline assembly and photovoltaic support
ActiveCN224218315UReduce local bucklingStrong resistance to deformationPhotovoltaic supportsSolar heating energyStructural engineeringMechanical engineering
The purline assembly comprises a purline and a reinforcing piece, the purline comprises a bottom plate and two side plates, the two side plates are connected to the two ends of the bottom plate respectively, and the ends, away from the bottom plate, of the two side plates are bent towards the sides away from each other to form wing plates; the reinforcing piece comprises a mounting part and limiting parts, the two limiting parts are arranged at the two ends of the mounting part in the first direction, the mounting part is at least partially attached to the two wing plates, and at least parts of the sides, away from each other, of the two wing plates abut against the limiting parts. The purline assembly and the photovoltaic support are matched in size and easy to install, the field construction efficiency is improved, the structure is stable, and the non-deformability is high.
Owner:ARCTECH SOLAR HOLDING CO LTD
An integrated IoT fan coil unit
ActiveCN224284892UReduce on-site assembly stepsReduced installation effortMechanical apparatusLighting and heating apparatusElectric machineryTerminal equipment
This utility model relates to an integrated IoT fan coil unit, including a housing and a surface cooler, a surface cooler bracket, a motor, a fan, a condensate drain pan, and a condensate lift pump located within the housing. The surface cooler is mounted on the surface cooler bracket, and the condensate drain pan is located below the surface cooler and fixed to the surface cooler bracket. The fan is connected and fixed to the central shaft of the motor. It also includes a proportional-integral (PI) control valve, a temperature sensor, an edge calculator, and a thermostat. The PI control valve is connected to the outlet of the surface cooler. The temperature sensor is located at the inlet and outlet of the surface cooler to detect the inlet and outlet water temperatures. The edge calculator is located inside the housing and is electrically connected to the PI control valve, the motor, the temperature sensor, and the condensate lift pump. The thermostat and the edge calculator are connected via Bluetooth. This utility model enables intelligent sensing and precise control of the fan coil unit's operating status, while simplifying the installation and commissioning process of the terminal equipment.
Owner:HUAGONG SOLAR ENERGY HUBEI