388 results about "I-beam" patented technology

The invention discloses a fabricated building module anti-seismic connection node structure, which relates to the field of fabricated buildings, is used for connecting beam columns and I-shaped beams, and comprises two connection plates symmetrically mounted at the end parts of the I-shaped beams; the fixing base is fixedly installed on the beam column, two symmetrically-arranged bearing parts are arranged on the fixing base, inserting grooves allowing the connecting plates to be inserted are formed in the bearing parts, and the connecting plates are connected with the bearing parts through bolts; the N first friction pieces are arranged between the two bearing parts; the first friction pieces and the second friction pieces are distributed in a staggered mode to form a friction contact face, during an earthquake, displacement of the beam column and the I-shaped beam forces the first friction pieces and the second friction pieces to slide relatively, kinetic energy is converted into heat energy to be dissipated, meanwhile, the N first friction pieces and the N + 1 second friction pieces are staggered to form multi-point friction, and the friction contact face is formed. The energy consumption efficiency is gradually increased along with the displacement magnitude, the anti-seismic energy consumption capacity of the structure is greatly improved, and damage of an earthquake to a building structure is effectively reduced.

The invention relates to the technical field of crane lifting appliances, in particular to a lifting-angle-adjustable crane hanging bracket which comprises two I-shaped beams, the two I-shaped beams are parallel to each other, the peripheries of the two I-shaped beams are jointly connected with an annular guide block, an annular transfer hanging bracket is rotatably mounted on the periphery of the annular guide block, and the annular transfer hanging bracket is rotatably mounted on the periphery of the annular guide block. And a rotating part is arranged at one end between the two I-shaped beams. The annular transfer hanging bracket is driven by the rotating component to rotate along the periphery of the annular guide block, the angle of goods is adjusted, the flexibility and the use convenience of the lifting appliance are improved, after adjustment is completed, the brake disc is combined with the positioning disc, and under the friction force braking effect between the positioning disc and the brake disc, the goods can be conveyed to the lifting appliance. The connecting sleeve is braked on the periphery of the adjusting shaft rod, the braking effect on the adjusting shaft rod is achieved under the torsion limiting effect of the key groove and the driven key block, unnecessary rotation of the adjusting shaft rod in the using period is avoided, and the stability of cargo lifting can be guaranteed.

The invention discloses an intelligent and safe hoisting monitoring method for a large-tonnage I-beam, relates to the field of construction safety, is based on a monitoring system consisting of a sensing layer, a transmission layer, a data layer, a decision layer and an execution layer, and comprises the following steps: deploying the sensing layer, constructing the transmission layer, configuring the data layer, constructing the decision layer and responding to the execution layer. Structural stress is monitored through a high-precision strain gauge and a distributed optical fiber sensor, the posture is monitored through an MEMS tilt angle sensor and a six-axis gyroscope, the state of the lifting appliance is monitored through a tension sensor and a visual recognition sensor, the environment is monitored through an ultrasonic anemograph and a laser radar, and multi-dimensional data collection is conducted through a displacement sensor monitoring device. Full-scene monitoring of the state of the I-shaped beam, the performance of a lifting appliance, the working environment and crane equipment is achieved, potential risks are captured without dead corners, the accuracy and reliability of data under complex working conditions are ensured, the problems that traditional monitoring data are prone to being interfered by the environment and insufficient in precision are solved, and the safety coefficient is increased.

The utility model relates to the technical field of steel beam welding, in particular to a large I-beam welding platform which can adjust the clamping position and the supporting position according to the size of an I-beam, improve the clamping and fixing effect of the I-beam, avoid supporting deviation, improve the supporting stability and improve the practicability of the device. Comprising two sets of I-shaped steel arranged side by side, a plurality of sets of connecting beams are fixedly connected between the two sets of I-shaped steel at equal intervals, a bottom plate is fixedly welded to the top ends of the two sets of I-shaped steel and located over the connecting beams, and a left vertical plate and a right vertical plate are fixedly connected to the top end of the bottom plate in a bilateral symmetry mode; and two sets of limiting guide grooves are fixedly formed in the right vertical plate in a front-back symmetrical mode, limiting sliding blocks are installed on the two sets of limiting guide grooves in a sliding mode, adjusting studs are installed on the two sets of limiting sliding blocks in a screwed mode, knobs are fixedly connected to the right ends of the two sets of adjusting studs, and pressing blocks are fixedly connected to the left ends of the two sets of adjusting studs.

The utility model provides a wind power tower drum steel strand steering gear which comprises a tower drum body and a steel strand vertically arranged in the tower drum body and further comprises an I-shaped beam and a buffering sleeve. A first flange and a second flange are arranged on the I-shaped beam; the first flange is fixed on the inner side wall of the tower drum body; the buffer sleeve is wound on the peripheral wall of the steel strand and is used for abutting against the second flange; according to the utility model, the steel strand can be vertically arranged, the steel strand is effectively prevented from being attached to the inner side wall of the tower drum, and the steel strand and the inner wall of the tower drum are prevented from being abraded.

The invention discloses a road and bridge crack reinforcing device and method.The road and bridge crack reinforcing device comprises a high-strength anti-rust steel beam column, the lower surface of the high-strength anti-rust steel beam column is fixedly connected with a high-strength anti-rust steel I-beam, and the lower surface of the high-strength anti-rust steel I-beam is fixedly connected with a base; an upper-layer left-side bolt and an upper-layer right-side bolt are in threaded connection with the interior of the base, an upper-layer left-side fixing pin and an upper-layer right-side fixing pin penetrate through the interior of the base, a supporting platform is tightly attached to the outer surfaces of the upper-layer left-side fixing pin and the upper-layer right-side fixing pin, and an upper supporting column is fixedly connected to the lower surface of the supporting platform. A rapid splicing groove is formed in the upper supporting column, and a lower supporting column is tightly arranged on the inner surface of the rapid splicing groove in a press fit mode. After being implemented, the device has high structural stability, parts can be conveniently and flexibly replaced, and the device has the good flexible installation performance and the high compatibility effect.

The invention relates to a clamping device for a rail walking unit of a rail hanging robot. The clamping device comprises a first clamping part and a second clamping part which are arranged on the two sides of an I-beam web respectively. A strip-shaped channel is formed in the web plate; the locking and pulling part comprises a bracket A and a bracket B, and the bracket A and the bracket 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 turnover mechanism is arranged at the movable end A of the linear push-pull mechanism A, a lock box is fixedly arranged at the turnover end of the turnover mechanism, a cavity groove and a T-shaped groove which are communicated with each other are formed in the lock box, the T-shaped groove comprises a transverse part and a longitudinal part, the longitudinal part is a receding groove, and the transverse part comprises a limiting face B; the pull rod penetrates through the channel, the two ends of the pull rod are located on the two sides of the web, one end of the pull rod is fixedly connected with the movable end B, a locking block is fixed to the other end of the pull rod and comprises a front face and a back face, and the back face is a limiting face A. According to the technical scheme, the posture of the robot can be prevented from being changed easily in a strong wind environment.

The utility model belongs to the technical field of road and bridge construction, and particularly relates to a road and bridge construction supporting structure which comprises a pier column, a hoop combination mechanism is arranged on the upper side of the pier column, and I-shaped beams are symmetrically arranged on the upper side of the hoop combination mechanism. The hoop combination mechanism comprises a first hoop, a second hoop, a first semicircular ring, a second semicircular ring, a reinforcing assembly, a fixing block, a connecting rod, a limiting rod, a nut and an inserting hole. The I-shaped beam is erected on the upper side of the first hoop, the first hoop provides direct support for capping beam construction, the second hoop supports the first hoop on the lower side through a reinforcing rod of the reinforcing assembly, the supporting stability of the first hoop is improved, meanwhile, the bolt is tightened, the bolt pushes the pressing block to tightly press the outer side face of the pier column, and the friction force between the pressing block and the outer side face of the pier column is increased. Therefore, static friction force between the whole hoop combination mechanism and the pier column is increased, and compared with a single hoop, the device is higher in error-tolerant rate and better in strength and stability of supporting cover beam construction.

A pultrusion fiber reinforced polymer (PFRP) floor assembly comprises a plurality of PFRP trusses or joists connected to at least one horizontal PFRP I-beam, horizontal PFRP wide flange beam, or horizontal PFRP “C” channel. At least one PFRP clip angle bracket connects the plurality of PFRP trusses or joists to support PFRP floor sheathing. A flexible epoxy bonds the PFRP floor sheathing to the plurality of PFRP trusses or joists, horizontal PFRP I-beams, horizontal PFRP wide flange beams, or horizontal PFRP “C” channels. The flexible epoxy is configured to provide a uniform coefficient of thermal expansion throughout the PFRP floor assembly.

The invention relates to the technical field of force sensors, in particular to a compact nonlinear six-dimensional force sensor. In order to solve the problems that the overload capacity of a traditional cantilever beam structure is insufficient, a novel I-shaped beam and II-shaped beam structure is difficult to miniaturize and the requirements of a humanoid robot for high overload capacity and a compact structure cannot be met at the same time, the following technical scheme is provided: the six-dimensional force sensor comprises an outer frame; the cross beam is mounted in the outer frame; the vertical beam is vertically arranged at the central position of the cross beam; the connecting block is arranged at one end, far away from the cross-shaped beam, of the vertical beam; the outer frame, the cross-shaped beam, the vertical beam and the connecting block are integrally designed; and the mounting plate is mounted on the connecting block. The mounting requirements of humanoid robot joints and other space-limited scenes are met, multi-time rated load impact can be borne, and the movement safety and the complex task execution capacity of a robot are improved.

Provided in this application is a timber structural member having an I-beam configuration which includes a first slotted timber flange and a second slotted timber flange, and a web having opposed tongues. Each of the opposed tongues is disposed in a respective slot to connect the first and second flanges.

According to the I-shaped beam connecting structure of the assembly type photovoltaic support, a groove is formed in the top of a stand column, an I-shaped beam can penetrate through the groove, a plurality of column heads are arranged on the I-shaped beam in a sliding mode and are symmetrical to the stand column, the column heads can limit the I-shaped beam on the stand column, the two ends of a purline are located at the upper end of the I-shaped beam respectively, and the two ends of the purline are located at the lower end of the I-shaped beam respectively. The I-shaped beams can be assembled on the stand columns, the purlins can be assembled on the I-shaped beams, welding installation is not needed, installation time is short, efficiency is high, disassembly is facilitated, the workload of ceiling installation can be reduced, the structural design is reasonable, the structure is novel, practicability is high, and popularization is easy. And the installation and construction efficiency is effectively improved.

The application provides a clamp for skin and stiffener friction stir welding, which comprises: a base arranged on a machine tool; a plurality of I-beams arranged on the base; wherein the stiffener is arranged on the I-beam, and the skin is arranged on the stiffener; a plurality of clamping top frames, the clamping top frames are located above the corresponding skins, the two ends of the clamping top frame are arranged on the base, and the middle part of the clamping top frame is used for pressing the skin and the stiffener; meanwhile, the application also provides a method for skin and stiffener friction stir welding; the application solves the problem that the traditional clamp is difficult to clamp the to-be-welded part when welding a plurality of welds on the same plane, and reduces the possibility of welding deformation.

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.

The invention relates to a crane automatic transmission device and method under an I-shaped beam annular route, the crane automatic transmission device comprises a crane bin and an I-shaped beam, the I-shaped beam comprises a first linear end distributed in the Y-axis direction and a second linear end distributed in the X-axis direction, and a connecting bend is arranged between the first linear end and the second linear end; a power input mechanism is arranged at the top of the crane bin and comprises a first driving gear, a second driving gear, a power shaft and a power motor, the first driving gear can be matched with the first rack track, and the second driving gear can be matched with the second rack track. The device is used for smooth turning of a crane annular route in a limited space, the resistance of a current crane under a small turning radius is reduced, the reliability of a crane system is improved, and the device is a key component in indoor crane transmission equipment.

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.

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.

The utility model provides a steel structure stair welding-free type edge protection structure which comprises a left supporting vertical rod assembly, a right supporting vertical rod assembly, a plurality of middle supporting vertical rod assemblies and a sleeving cross rod, the left supporting vertical rod assembly, the right supporting vertical rod assembly and the middle supporting vertical rod assemblies respectively comprise a lower sleeve and an upper vertical rod, and a clamping base is arranged on the lower portion of the lower sleeve. The lower end of the upper vertical rod is sleeved with the corresponding lower sleeve, two left one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the left supporting vertical rod assembly, and two right one-way sleeves distributed up and down are arranged on the upper portion of the upper vertical rod in the right supporting vertical rod assembly. And two middle two-way sleeves which are distributed up and down are arranged at the upper part of an upper vertical rod in the middle supporting vertical rod assembly. The protective structure is fixedly installed on one side of the I-shaped beam in a clamping mode, the overall structural strength of the I-shaped beam is not affected, meanwhile, the protective structure is easy to install and detach, and the installing and detaching efficiency of the protective structure can be improved.

The utility model provides a high-strength I-shaped beam structure which is composed of an I-shaped beam upper back plate, an I-shaped beam vertical plate, an I-shaped beam lower panel and a reinforcing vertical plate and is made of high-strength steel. Boss structures are arranged at the upper end and the lower end of the I-shaped beam vertical plate respectively, inserting grooves are machined in the positions, corresponding to the bosses, of the I-shaped beam upper back plate and the I-shaped beam lower face plate, and the bosses at the upper end and the lower end of the I-shaped beam vertical plate are inserted into the corresponding inserting grooves in the I-shaped beam upper back plate and the I-shaped beam lower face plate respectively. When the transverse beams and the longitudinal beams are spliced, the transverse beams and the vertical beams are of a slotting inserting structure, and the inserting position is in a full-length welding mode. The structure can meet the high-strength design requirement, meanwhile, the lap joint deformation of the whole I-shaped beam is reduced, the reliability and stability of the assembly are improved, and the structure is suitable for various assembly supporting structures needing high bearing capacity.

The utility model relates to the technical field of discharging platforms, in particular to a discharging platform for building construction, which comprises two I-shaped beams, a platform plate is fixedly connected between the two I-shaped beams, side guardrails are respectively welded on the two I-shaped beams, a baffle is welded on the platform plate, two sides of the baffle are respectively and fixedly connected with the two side guardrails, and the two side guardrails are fixedly connected with the platform plate. Two I-shaped beams are arranged on the baffle, two protective doors are connected to the baffle through hinges, supporting beams are arranged and welded between the two I-shaped beams, the supporting beams are fixedly connected with the platform plate, the two I-shaped beams are each provided with two cantilevers, the two I-shaped beams are each sleeved with a limiting assembly, each limiting assembly comprises two limiting blocks, and the limiting blocks are movably connected with two connecting plates; the two connecting plates are connected through bolts, the limiting blocks are movably connected with the I-shaped beam in a sleeved mode, the two protective doors are provided with suction cups respectively, the door holders are welded to the two protective doors respectively, and the door holder pins are connected with the plug pins, so that materials are prevented from falling accidentally when the materials are carried, loaded and unloaded, objects falling from high altitudes are avoided, and potential safety hazards are reduced.

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

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.

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.

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.

According to the truss walking device with the pulleys installed in the staggered mode, a movable frame can move in the length direction of an I-shaped beam, a second pulley is arranged at the bottom of a top frame of the movable frame, a second pulley is arranged at the top of a bottom frame of the movable frame, and the second pulley makes contact with the inner side face of a vertical piece. The upper second pulley and the lower second pulley are arranged in a staggered mode in the length direction of the I-shaped beam, and mounting holes are formed in the I-shaped beam. When a certain second pulley is damaged, the second pulley moves to the mounting hole, and after a maintenance person completes dismounting of a bolt and a nut through the mounting hole, replacement of the second pulley is achieved; the mounting holes provide a space for mounting and dismounting bolts and nuts; the upper and lower pulleys are arranged in a staggered manner, so that the two second pulleys cannot completely cover the upper and lower surfaces of the mounting hole, and the second pulleys and the top frame or the bottom frame can be conveniently disassembled and assembled.

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.

The utility model provides an aluminum plate curtain wall keel structure, and relates to the technical field of building outer wall decoration structures, the aluminum plate curtain wall keel structure comprises an embedded part, a vertical keel and a horizontal keel, the front side of the embedded part is provided with an I-beam extending forwards, the I-beam is provided with a horizontal groove hole extending horizontally, the vertical keel is provided with a vertical groove hole, and the horizontal groove hole is provided with a horizontal groove hole extending horizontally. The horizontal slotted hole and the vertical slotted hole piece are connected with a connecting assembly, the connecting assembly comprises a connecting bolt, a nut sleeve and a positioning beam plate, one end of the positioning beam plate is inserted into the vertical slotted hole in a horizontal sliding mode, and the two ends of the positioning beam plate abut against and are clamped to the vertical keel and the I-shaped beam respectively. The positioning beam plate abuts against and is clamped on the I-shaped beam and the vertical keel, so that the installed vertical keel and the I-shaped beam can be clamped and locked, and the vertical keel is prevented from sinking relative to the embedded part.