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139 results about "I-beam" patented technology

An I-beam, also known as H-beam (for universal column, UC), w-beam (for "wide flange"), universal beam (UB), rolled steel joist (RSJ), or double-T (especially in Polish, Bulgarian, Spanish, Italian and German), is a beam with an I or H-shaped cross-section. The horizontal elements of the "I" are known as flanges, while the vertical element is termed the "web". I-beams are usually made of structural steel and are used in construction and civil engineering.

Bridge structure

PCT designated stageWO2026070348A1BridgesArchitectural engineeringBridge deck
The present invention improves the wind resistance performance of a long-span bridge using a bridge girder comprising two end main box girders or two end main I-shaped girders. The bridge structure of the present invention comprises a bridge girder 13 having a deck slab 21 and a main girder 22 that includes I-shaped girders 23, 24 or box girders supporting the deck slab 21 from below at both ends in the width direction of the deck slab 21, the bridge structure being characterized in that the span length of the bridge girder 13 exceeds 100 m, the total width of the bridge girder 13 is 15 m or less, the height of the main girder 22 is 1.2 m or more, the ratio W1 / H3 of the total width W1 of the bridge girder 13 to the height H3 of the main girder 22 is seven or more, and a steel material with a yield strength of 380 N / mm2 or more is used for at least a lower flange of the main girder.
Owner:JFE STEEL CORP

Stiffness compatibility test structure and test method for actively unloading crushed stone reinforced structures

This invention pertains to the field of tunnel structure testing technology, specifically a stiffness coordination testing structure and method for actively unloading gravel-reinforced structures. It includes two supports, on which a gabion cage is mounted. Several tension rod assemblies are installed on the gabion cage, each with a strain gauge connected to a static strain gauge. Two I-beams are positioned on the upper surface of the gabion cage. A reaction frame is located on the experimental platform, with jacks positioned between the reaction frame and the I-beams on the upper surface of the two I-beams. A non-contact full-field strain measurement system is also installed on the experimental platform to measure the displacement data of the lower edge of the gabion cage. This method can simulate the working state of an actively unloading gravel-reinforced structure in a tunnel indoors, realistically reproducing the stress and unloading mechanisms of such structures and reflecting the overall stiffness evolution characteristics.
Owner:SOUTHWEST JIAOTONG UNIV

A hinged sub-frame device

The utility model provides a kind of screwing formula auxiliary frame device, including multiple I-beams, tee and door frame assembly;Multiple I-beams, tee and door frame assembly are connected with each other, form the overall framework of auxiliary frame, and still be connected with pull rope locking device, inclined support, connecting piece and equipment mounting plate on I-beam by bolt;The I-beam is connected with bearing mounting seat by stand column, and adjusting washer for adjusting the height of stand column is equipped between stand column and I-beam.The utility model is by using screwing structure, and the characteristics of its extension performance are good, energy can be consumed in the impact process of use, and then the impact resistance of auxiliary frame device is improved, and screwing structure is detachable, replaceable, convenient for later maintenance and replacement, and the use performance of auxiliary frame device can be effectively improved.
Owner:GUIZHOU AEROSPACE TIANMA ELECTRICAL TECH

Modular lifting fram assembly

A lifting frame has an I beam 2 with upper and lower flanges 4A, 4B and a web 6. with the web and flanges having a rray of apertures along the length of the beam. An end plate 10 forms an axial flange
Owner:BRITLIFT LTD

Discharging platform for house building project

The utility model relates to the technical field of house building project discharging platforms, and discloses a house building project discharging platform which comprises an I-shaped beam, a table top base is fixedly connected to the outer surface of the right middle of the I-shaped beam, a side guardrail and a front guardrail are fixedly connected to the outer surface of the upper end of the table top base, and the side guardrail is located on the outer surface of one side of the front guardrail. The outer surfaces of the left side and the right side of the side guard bar are movably connected with guard bar outer frames, when the device is used, through the arranged unloading assembly, materials can be conveniently and rapidly moved to a designated position, operation is convenient and rapid, compared with a traditional unloading mode, the device is safer and more stable, and through the arranged protective net, the device is more convenient to use, and the labor intensity of workers is reduced. When materials are placed on the discharging platform, some small and broken materials can be collected on the protective net, the small and broken materials are prevented from falling to the position below the discharging platform and hurting objects and operators below the discharging platform, and the safety when the materials are placed is further improved.
Owner:SHAANXI WATER CONSERVANCY & HYDROPOWER ENG GRP CO L

A corrugated web I-beam front axle

A wave-shaped web I-beam front axle, including I-beam and the front axle body arranged at both ends of the I-beam, the front axle body extends obliquely outward and is provided with a front axle pipe, the I-beam includes horizontal upper web and lower web, the upper web and the lower web are fixedly connected by vertical middle web, so that the upper web, the middle web and the lower web form the I-beam with I-shaped cross section, and the horizontal section of the middle web is wave-shaped.The utility model discloses more reasonable structure design, through reducing the thickness of the upper web of the I-beam, the width of the upper web and the lower web of the I-beam and the thickness of the middle web, the relative circular pipe beam cross section area reduces 29.5%, realizes that the I-beam front axle reduces 12.5% in weight, in addition, the cross section height of the I-beam is higher than that of the circular pipe beam, improves the bending fatigue strength of the front axle, the middle web is designed into wave-shaped, improves the bending deformation stiffness of the front axle, namely, in the whole weight reduction, the bending resistance of the front axle can be improved.
Owner:ZHUCHENG YIHE AXLE

Transformer with heat dissipation function

The utility model provides a transformer with a heat dissipation function, which relates to the technical field of transformers and comprises a transformer body, an I-shaped beam is fixedly mounted at the bottom end of the transformer body, heat dissipation fins are fixedly mounted on the surface of the transformer body, and a connector is fixedly mounted at the top end of the transformer body. A ventilation opening is formed in the surface of the transformer body, a fixing plate is fixedly mounted in the ventilation opening, and a protective net is fixedly mounted on the surface of the fixing plate, so that a better using effect is achieved, a motor on the back face of a mounting plate is started in the using process, and the motor drives fan blades to rotate through a rotating rod; at the moment, the fan blades can blow hot air in the transformer body out of the interior of the transformer body through the space between the connecting rods and the supporting rods, so that the problem that the temperature of an existing transformer cannot be effectively reduced due to the heat dissipation performance of the transformer, and consequently the transformer is prone to running at a high temperature for a long time is solved; and the service life of the transformer is shortened.
Owner:INNER MONGOLIA ELECTRIC POWER (GRP) CO LTD TRAINING CENT

Welding equipment for I-shaped beam

The utility model discloses welding equipment for an I-shaped beam, which belongs to the technical field of I-shaped beam manufacturing and comprises a working platform and a portal frame distributed along the length of the working platform, the portal frame stretches across the working platform, and I-shaped beam fixing components capable of pressing the I-shaped beam are uniformly distributed on the top surface of the working platform in the length direction; an I-shaped beam welding assembly capable of assembling the I-shaped beam is arranged on the portal frame; the I-shaped beam fixing assembly comprises a cushion block, a fixing seat and a first air cylinder; the cushion block can support a web plate of the I-shaped beam to be in a horizontal state, the fixing base can support one wing plate of the I-shaped beam to be perpendicularly connected with the web plate in an abutting mode, the first air cylinder can push the other wing plate of the I-shaped beam to move towards one side of the web plate, and therefore the two wing plates and the web plate are in a perpendicular clamping state. The cushion block supports the height of the web of the I-shaped beam, the fixing base is matched with the first air cylinder to enable the two wing plates to abut against the two ends of the web, welding of the splicing position is completed through the welding assembly, so that the convenient operation of rapid press fitting is achieved, the labor intensity is reduced, and the productivity is improved.
Owner:CHINA NAT HEAVY DUTY TRUCK GRP TAIAN WUYUESPECIAL VEHICLE

Blade assembly for a surgical reloadable cartridge assembly

The present disclosure includes apparatuses for a surgical reloadable cartridge assembly. An example apparatus includes a blade assembly which comprises leaves and an I-beam. In an example there are two outer leaves and at least one inner leaf. The two outer leaves are connected to the I-beam. The at least one inner leaf is not connected to the outer leaves and is connected to the I-beam with a connection that allows the at least one inner leaf to move relative to the I-beam while not being pulled away from the I-beam when tension is applied to the at least one inner leaf.
Owner:LEXINGTON MEDICAL INC

Precast concrete I-shaped beam for bridge structure and bridge structure

The utility model relates to the technical field of bridge structures, in particular to a prefabricated concrete I-beam for a bridge structure and the bridge structure, the I-beam comprises a top plate, a web plate, a bottom plate and a first anchorage device, the first anchorage device is embedded in the I-beam, and the first anchorage device is located at the junction of the top plate and the web plate; first prestressed tendons are tensioned between the oppositely arranged first anchorage devices; the first anchorage device comprises a first spiral rib, the first spiral rib wraps the first prestressed rib at intervals, the first spiral rib comprises a first rib section and a second rib section which are connected, and the first rib section and the second rib section are sequentially arranged in the direction from the end face of the I-shaped beam where the first anchorage device is located to the end face of the other side of the I-shaped beam; and the radial sectional area wrapped by the second section of rib is smaller than the radial sectional area wrapped by the first section of rib. The first spiral rib is arranged in a segmented reducing mode, so that the first anchorage device can maintain enough pressure stress strength to guarantee the tensile property of the I-shaped beam while adapting to the size of the thin web plate and avoiding stress concentration or cracking.
Owner:SICHUAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD +1

A clamping device for a rail robot track running unit

The application relates to a clamping device for a hanging rail robot track walking unit, which comprises a first clamping part and a second clamping part arranged on the two sides of the web of an I-beam; a long strip-shaped channel is formed in the web; the lock pulling part comprises a support A and a support B, the support A and the support B are fixedly connected with the first clamping part and the second clamping part respectively; a linear push-pull mechanism A is arranged on the support A, a movable end A of the linear push-pull mechanism A is provided with a turnover mechanism, a turnover end of the turnover mechanism is fixedly provided with a lock box, a cavity groove and a T-shaped groove which are in communication are arranged on the lock box, the T-shaped groove comprises a horizontal part and a vertical part, the vertical part is a let-out groove, and the horizontal part comprises a limiting surface B; a linear push-pull mechanism B is arranged on the support B, a pull rod passes through the channel and is arranged at the two sides of the web, one end of the pull rod is fixedly connected with a movable end B, the other end of the pull rod is fixedly provided with a lock block, and the lock block comprises a front surface and a back surface, the back surface is a limiting surface A. The technical scheme can avoid the change of the pose of the robot in a strong wind environment.
Owner:JINAN UNITED ZHONGWEI CONSTR TECH CO LTD

Steel structure building masonry connecting structure

The utility model relates to the technical field of building construction, and discloses a steel structure building masonry connecting structure. Comprising a constructional column, a steel structural beam and a connecting assembly, and the constructional column comprises a column body and steel tie bars; the steel structural beams are I-shaped beams, are staggered with the steel tie bars, and are arranged on the front sides of the constructional columns at intervals; the connecting assembly comprises a connecting body, stirrups and at least two connecting steel plates, the two opposite side edges connected with the connecting steel plates are connected with the outer side of the column body and the inner side of a web of the steel structure beam correspondingly, the connecting steel plates are connected with the steel tie bars, the at least two connecting steel plates are arranged in parallel at intervals, and the stirrups are wound around the outer side walls of the connecting steel plates. The at least two steel plates are bound and connected together in the front-back direction; the connecting strength between the constructional column and the steel structural beam can be effectively enhanced, and damage to the steel structural beam can be reduced.
Owner:CHINA CONSTRUCTION SECOND BUREAU (GUANGDONG) CONSTRUCTION CO LTD +1

Method for manufacturing main surface of shipborne special-shaped antenna

The invention discloses a method for manufacturing a main surface of a shipborne special-shaped antenna, and belongs to the technical field of antenna manufacturing. According to the method, aiming at the problem that the main surface of the shipborne long-strip elliptical antenna is easy to deform, molded surface deviation control is realized through mold structure optimization, product structure design and process parameter control, a mold adopts a cast iron material, an upper and lower mold pressing structure and a multi-degree-of-freedom adjusting device, and an I-shaped beam and a net-shaped framework are additionally arranged in the product; a low-shrinkage epoxy carbon fiber composite material is selected and matched with a specific prepreg laying and curing process. The profile deviation caused by thermal expansion of the mold can be reduced by 10%-20%, the rigidity and the stability of a product are remarkably improved, the mean square error of profile profile deviation is controlled within 0.15 mm, the high-precision use requirement of shipborne and vehicle-mounted radar radomes is met, and good practicability and popularization value are achieved.
Owner:JIANGSU CHANGZHUO TECH CO LTD

Reinforcement cage lifting device for pile foundation construction

The utility model discloses a reinforcement cage hoisting device for pile foundation construction, which comprises a hoisting cross beam, a hoisting hole used for being connected with a crane hook is formed at the top of the hoisting cross beam; the main lifting appliance assembly comprises a sliding adjusting plate which is slidably connected in the length direction of the lifting cross beam, sling clamping grooves are symmetrically formed in the sliding adjusting plate, and first slings are connected in the sling clamping grooves; the top of the sliding adjusting plate is fixedly provided with a positioning locking plate which is used for locking the sliding adjusting plate and the hoisting cross beam after being adjusted; a plurality of reinforcement cage hoisting points are connected and formed on the hoisting cross beam, and the plurality of hoisting points correspond to the inner ring part and the outer ring part of the top of the reinforcement cage respectively, so that multi-point uniform hoisting of the reinforcement cage is formed, the uniformity of hoisting stress of the reinforcement cage is improved, and deformation in the hoisting process is avoided; the main lifting appliance assembly is provided with an adjusting plate capable of sliding along the I-shaped beam, stepless adjustment of the distance between lifting points is achieved, and the lifting device meets the requirement for lifting reinforcement cages of different sizes.
Owner:HUNAN ROAD & BRIDGE CONSTR GROUP

Alloy joint and composite i-beam connection structure

PendingCN122447397AUncrewed vehicleAlloy
The application discloses an alloy joint and composite material I-beam connecting structure, comprising: a composite material I-beam and an alloy joint; the alloy joint has an I-shaped connecting part, the connecting part has a first connecting groove and a second connecting groove for accommodating two sides of the end part of the composite material I-beam, a hollow gap is arranged between the two connecting grooves and is used for inserting a vertical section of the composite material I-beam; connecting holes are formed in upper and lower edge strips of the first connecting groove and the second connecting groove, and the upper and lower flanges of the composite material I-beam are connected through a plurality of fasteners; an insulating adhesive layer is arranged between the inner surfaces of the connecting grooves and the composite material I-beam, and the end part of the inserted I-beam is bonded in the connecting grooves. The application has the advantages of clear force transmission path, offset part of bending moment by bending root couple, light weight, high connecting strength, high reliability, fatigue resistance, corrosion resistance and the like, and can be applied to telescopic wing unmanned aerial vehicle manufacturing.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

A prestressed concrete short t-beam bearing capacity detection device

ActiveCN224552888UHydraulic cylinderT-beam
The utility model relates to concrete beam bearing detection technical field field discloses a kind of prestressed concrete low T beam bearing capacity detection devices, including the hydraulic cylinder of pressure exertion, and the T beam bearing frame of low T beam sample piece placement;The piston end of hydraulic cylinder is equipped with the detection mechanism located above T beam bearing frame;Detection mechanism includes several pressure exertion components to low T beam pressure exertion, and the connecting component connected between hydraulic cylinder and pressure exertion component;Connecting component includes I beam, and the support piece of I beam structure rigidity is arranged on I beam and is promoted, two sliding grooves are set up in I beam outside;Pressure exertion component includes pressure exertion piece, and two sliding pieces are arranged on the top of pressure exertion piece, and sliding piece slidingly connects in same side sliding groove;Pressure exertion piece top and I beam bottom abut.The utility model, can be according to actual demand to increase or reduce pressure point, improve the practicability of detection device.
Owner:HUBEI CHANGJIANG ROAD & BRIDGE CO

A special-shaped column formwork erecting device and a concrete pouring construction method

The application discloses a special-shaped column formwork erecting device and a concrete pouring construction method. The device comprises a mounting piece and a plurality of groups of formworks. A vertical I-beam and a horizontal steel enclosing beam combined reinforcing structure is adopted, and a uniformly distributed threaded pull rod is used to realize circumferential balanced fastening. Meanwhile, through force balance control, local pull rod stress concentration is avoided, and bulging and bursting of the formwork is effectively prevented. The problems of uneven stress and easy deviation of the formwork in the traditional reinforcing mode are solved. The support piece adopts a telescopic support rod combined with an extension rod, and a spherical hinge connector is used to realize 360-degree support angle adjustment. The support piece can adapt to the support requirements of different heights and different slope angle of the inverted trapezoidal column. Through the independent support of different surfaces, precise positioning and assembling technology, and the side pouring technology of the self-compacting concrete through the pump pipe connector, continuous and efficient pouring under the condition of free vibration is realized, and the free falling height and flow state distribution of the concrete are effectively controlled.
Owner:POWERCHINA CONSTR GRP

Steel structure beam column anti-torsion joint structure

The utility model provides an anti-torsion joint structure of a steel structure beam column, belongs to the technical field of buildings, and aims to solve the problem that in the installation process of an existing steel structure beam column, a nut is usually required to be manually held by one hand and placed at a proper position in bolt connection, and a bolt is in threaded connection with the nut by the other hand, so that the operation mode is low in efficiency. Comprising a plurality of storage grooves, and the plurality of storage grooves are formed in the outer side of a steel column; the multiple connecting frames are fixedly connected to the inner side of the upper end of the steel column. The multiple fixing frames are fixedly connected to the inner sides of the multiple storage grooves correspondingly. A plurality of I-shaped beams are arranged, and the plurality of I-shaped beams are mounted on the outer side of the steel column; a plurality of groups of mounting plates are arranged, and are fixedly mounted on the outer sides of the steel column and the I-shaped beam through bolts and nuts respectively; through the arrangement, the installation process of the I-shaped beam is simplified, and the working efficiency and the safety are improved.
Owner:ZHEJIANG CONSTR ENG LVZHI STL STRUCTURE CO LTD

Device and method for detecting thickness of building fireproof coating

The invention relates to the technical field of coating thickness detection, and discloses a building fireproof coating thickness detection device and detection method.The building fireproof coating thickness detection device comprises an I-shaped beam and further comprises a lifting assembly arranged on one side of the I-shaped beam; the lifting assembly comprises a base plate arranged on one side of the I-shaped beam, a positioning pin base fixedly connected to one end of the base plate, a small gear fixedly connected to a stepping motor and a screw hole formed in a lifting block. According to the invention, through the lifting assembly, the surrounding assembly and the opening assembly, the first detection assembly and the second detection assembly are controlled, so that the two laser thickness gauges can make circumferential movement around the I-shaped beam or the special-shaped structure cylinder, and coating thickness detection is carried out on the outer side surface of the I-shaped beam or the special-shaped structure cylinder; after the I-shaped beam or the special-shaped structure column body is sprayed with the fireproof coating, all-directional coating thickness detection in the up-down direction and the circumferential direction can be carried out, and meanwhile the adaptability to the special-shaped structure column body is higher.
Owner:YANTAI ZHUZHI INTELLIGENT TECHNOLOGY CO LTD

Supporting arm anti-torsion structure of multifunctional plane lifting appliance

The utility model relates to the technical field of torsion resistance of supporting arms of plane lifting appliances, in particular to a torsion resistance structure of a supporting arm of a multifunctional plane lifting appliance, which can effectively enhance the torsion resistance of the supporting arm, improve the connection stability of the supporting arm and a stand column and improve the practicability. Comprising a stand column, an I-shaped beam supporting arm is fixedly connected to the top end of the stand column, a rib plate is fixedly welded between the right end of the stand column and the bottom end of the I-shaped beam supporting arm, a T-shaped groove is formed in a top base, the top base is arranged on the I-shaped beam supporting arm in a sleeving mode through matching of the T-shaped groove, and a fixing bolt is screwed to the top of the top base; the left side and the right side of the left connecting base and the left side and the right side of the right connecting base are each provided with two sets of connecting bolts in a screwed mode, the top base and the right connecting base are each fixedly provided with two sets of threaded connecting columns in a front-back symmetry mode, the two sets of threaded connecting columns on the front side and the two sets of threaded connecting columns on the rear side are each sleeved with an anti-torque pressing plate, and each set of threaded connecting columns is provided with a locking nut in a screwed mode. And the locking nut is pressed on the anti-torsion pressing plate.
Owner:SHANDONG YINGSHUN CONSTR TECH CO LTD

Modularized truss supporting structure of steel structure floor support plate

The invention relates to a modular truss supporting structure of a steel structure floor support plate, and solves the problems that the low efficiency of floor pouring construction of a steel structure building is not matched with the high efficiency of construction of steel structure assembly, and a floor support plate supporting structure using a steel frame system as a supporting point is lacked at present. A plurality of supporting trusses for supporting the bottom surface of the floor support plate are arranged between parallel I-shaped beams, supporting modules are arranged at the two ends of each supporting truss respectively, a plurality of truss modules are arranged between the supporting modules at the two ends in series, and the outer ends of the supporting modules are erected between upper beam plates and lower beam plates of the I-shaped beams. The bearing capacity of the steel structure frame is fully utilized, a non-landing supporting system is erected and used for supporting the floor bearing plate in the pouring process of the floor cover plate, the construction efficiency is high, the space between floors does not need to be occupied, and cross operation and multi-layer synchronous pouring construction of the floors can be achieved.
Owner:ZHEJIANG DADI STEEL STRUCTURE

Pouring mold for lower hanging eave of steel structure building

The utility model provides a pouring mould for a lower hanging eave of a steel structure building, relates to the field of building construction, and adopts the technical scheme that the pouring mould comprises a mould body which can be detachably connected with an I-shaped beam, and further comprises a supporting piece which is of an L-shaped structure and comprises a horizontally arranged supporting part and a vertically arranged connecting part, the supporting part can bear the mold body, and the connecting part can be connected with an I-shaped beam at the corresponding position; a connecting assembly; the pull rod comprises a first connecting section and a second connecting section, the first connecting section is connected with the connecting part, and the second connecting section can be detachably connected with the I-shaped beam through the connecting assembly. According to the utility model, the construction safety can be improved, and the occupied space is reduced.
Owner:菏泽城建工程发展集团有限公司

Condensate pump assembly tool

The utility model discloses a kind of condensate oil pump assembly tool, comprising: first I-beam, two inclined struts are connected in the bottom of the both ends of first I-beam respectively, the bottom of two inclined struts of same side is connected with second I-beam, the bottom of second I-beam is connected with universal wheel;The bottom of first I-beam middle part is connected with lifting lug, lifting lug is connected with lifting cable drum. Stereoscopic triangle structure is formed by first I-beam and two end inclined struts, the mode that bottom is connected by second I-beam, and universal wheel is set, by forming stable support structure and giving good moving ability to overall device, the purpose that while maintaining structural stability, it is convenient to adjust position flexibly on site is achieved, thereby realize the technical effect that condensate oil pump tube bundle is quickly positioned, butt joint efficiency is high, and then solve the technical problem that crane is limited in prior art, occupies long time and is inefficient in centering.
Owner:WISON (NANTONG) HEAVY INDUSTRY CO LTD

Hanging beam tool and hoisting method

The invention discloses a lifting beam tool and a lifting method, and the lifting beam tool is characterized in that an upper wing plate, a web and a lower wing plate form an I-shaped beam together, and two upper lifting lug main bodies are mounted on the upper wing plate; two T-shaped holes are formed in the lower surface of the lower wing plate, and the length directions of the two T-shaped holes extend in the length direction of the lower wing plate; the two rack assemblies are installed on the upper surface of the lower wing plate and arranged close to the two T-shaped holes, and the length directions of the two rack assemblies extend in the length direction of the lower wing plate. The two lower lifting lug assemblies are installed on the two rack assemblies, an adjusting long hole is formed in the web plate, the length direction of the adjusting long hole extends in the length direction of the web plate, the two fixing units are installed in the adjusting long hole, and the two fixing units abut against or are separated from the upper surfaces of the two lower lifting lug assemblies in a clamped mode. The lifting device is suitable for to-be-lifted pieces of different specifications, the stability of the lifting process is guaranteed, and the lifting efficiency is improved. And based on the hoisting method of the hoisting beam tool, the to-be-hoisted part can be overturned in a small space.
Owner:CHINA NUCLEAR IND FIFTH CONSTR CO LTD

Modularized plant steel structure beam column positioning, assembling and connecting assembly

The utility model relates to a modular plant steel structure beam column positioning assembly connecting assembly which comprises a positioning piece and is technically characterized in that the positioning piece comprises a first vertical plate, a second vertical plate, a horizontal supporting plate and reinforcing inclined supporting ribs, the upper portion of the outer side face, where the horizontal supporting plate is located, of the first vertical plate is a first inclined face, and two sets of horizontal studs are arranged on the first inclined face; the horizontal stud is provided with a locking nut and a fixing nut, the horizontal supporting plate is provided with a vertical stud, the vertical stud is provided with a locking nut and a fixing nut, the two first vertical plates are clamped to the two sides of the upper end of the steel column, the upper end of the steel column is provided with a longitudinal clamping groove corresponding to the second vertical plate, the steel beam is an I-shaped beam, and the end of the steel beam is provided with a third vertical plate. The outer side face of the third vertical plate is a second inclined face matched with the first inclined face, the lower edge of the third vertical plate is provided with an inverted-U-shaped groove body corresponding to the horizontal stud, and the bottom face of the I-shaped beam is provided with a through hole corresponding to the vertical stud and an installation avoiding opening corresponding to the horizontal stud. The connecting structure is small in assembly difficulty and good in connecting stability with the beam column.
Owner:HUAZHOU HEAVY IND CO LTD

Lightweight optimization method based on multi-element combined frame

The invention relates to the technical field of automobile design, in particular to a multi-element combination-based frame lightweight optimization method, and solves the technical problems that in existing truss-type frame lightweight design, model establishment is complex, and a traditional Harris eagle algorithm is slow in convergence speed and low in precision. Analyzing strength and rigidity performance under bending and torsion working conditions and acquiring inherent frequency; then, response surface optimization is carried out by taking the I-beam as an object, and three groups of candidate solutions are obtained by taking the maximum deformation and the maximum stress as constraints and the mass as a target; optimizing a traditional Harlisia eagle algorithm to obtain an IHHO algorithm, optimizing the cross section size of the I-shaped beam by using the IHHO algorithm to obtain three groups of optimal solutions, and determining final parameters of the beam cross section after comparison; and optimizing other beams of the frame according to the steps, and finally verifying the strength, rigidity and fatigue life of the optimized frame. The method has a good application prospect in the field of design of truss type frames with lightweight requirements.
Owner:HEILONGJIANG INST OF TECH

A multi-layer industrial plant overall pouring construction hoisting structure

The application provides a multi-layer industrial plant overall pouring construction hoisting structure, and relates to the technical field of steel structure hoists, comprising a hoisting installation piece, two shielding auxiliary pieces are respectively installed on the two sides of the hoisting installation piece; the shielding auxiliary pieces are used for shielding I-beam installation hole positions; two hoisting driving pieces are installed on the hoisting installation piece; roller guide pieces are respectively installed on the two sides of the hoisting installation piece; a deformation prompting piece is installed on the hoisting installation piece; the structural design of the hoisting driving pieces cooperates with the shielding auxiliary pieces, can standardize the operation process of workers to connect I-beam nodes, and ensures that the I-beam is in a static load state when the I-beam nodes are connected; so as to solve the problem that the current multi-layer industrial plant overall pouring construction hoisting structure is not convenient for limiting the operation node installation of workers, and the hoisting traction force is removed to keep the I-beam in a static load state, which easily affects the internal stress of the node connection.
Owner:GUIZHOU INVESTMENT & CONSTR CO LTD OF CHINA CONSTR FOURTH ENG BUREAU +1

High-strength and high-toughness aluminum alloy profile

The utility model belongs to the technical field of aluminum alloy, and particularly relates to a high-strength and high-toughness aluminum alloy profile which comprises a plurality of I-shaped beams. Two connecting plates; each supporting plate comprises a V-shaped folded plate, a plurality of clamping blocks and a plurality of inserting blocks; each outer baffle comprises a bent plate and connecting strips arranged at the two ends of the bent plate respectively; compared with the prior art, the high-strength and high-toughness reinforced concrete beam has excellent bearing capacity and bending strength, high strength and high toughness are considered on the premise that the advantage of light weight is guaranteed, uniform distribution of loads is achieved, local stress concentration is reduced, the overall bearing capacity is high, production and manufacturing are convenient, and therefore the production cost is reduced.
Owner:YANGZHOU HONGFU ALUMINIUM IND CO LTD

High-rise flower basket plate buckle scaffold and monitoring system

The invention relates to the technical field of scaffolds, in particular to a high-rise flower basket disc buckle scaffold and a monitoring system.The high-rise flower basket disc buckle scaffold comprises a flower basket pull rod assembly, a cantilever I-shaped beam and a disc buckle scaffold body, and the cantilever I-shaped beam is connected with a lower concrete wall; the basket pull rod assembly comprises an upper pull rod, a basket and a lower pull rod, the upper pull rod and the lower pull rod are in threaded fit with the basket, an upper connecting plate connected with an upper concrete wall is arranged at the end, away from the basket, of the upper pull rod, and a lower connecting plate connected with the cantilever I-shaped beam is arranged at the end, away from the basket, of the lower pull rod. The upper connecting plate is connected with an upper mounting plate, the upper mounting plate is connected with a pressure sensor abutting against the upper concrete wall, and a tension sensor is connected between the upper pull rod and the lower pull rod; the cantilever I-shaped beam is provided with a marker of which the code can be read; and the system further comprises a monitoring host. According to the invention, the stress condition of main components of the scaffold can be monitored in real time, and the safety performance of the scaffold is well improved.
Owner:JIANGSU SHISHENG CONSTR ENG CO LTD