186 results about "T-beam" patented technology

The invention relates to the technical field of image processing, and discloses a precast concrete T-beam bubble detection method and system. The method comprises the following steps: carrying out multiband reflection data acquisition and calibration on the surface of a T-beam, and obtaining optimized data through light intensity compensation and band screening; performing spatial registration and noise reduction processing on the data, and fusing the data into an image; edge detection and image segmentation are carried out, and pore morphological features are extracted; calculating depth data and performing spatial reconstruction to obtain pore distribution data; performing statistical analysis on the distribution data to obtain a defect evaluation result; and finally generating a detection report. According to the method, accurate positioning and quantitative evaluation of bubble defects are realized through multi-source data fusion and deep analysis, a complete early warning and evaluation mechanism is established, and the reliability and practicability of a detection result are improved.

The invention relates to an automatic binding system for a reinforcement cage and application of the automatic binding system. The system comprises a control station, a binding jig frame, a four-way rail arranged in the circumferential direction of the binding jig frame, a four-way RGV arranged in a sliding mode in cooperation with the four-way rail, a sub-control piece, a mechanical arm, an identification piece and a binding piece, wherein the sub-control piece and the mechanical arm are arranged on the four-way RGV, and the identification piece and the binding piece are arranged at the output end of the mechanical arm. The control station is in communication connection with the sub-control piece and is used for directly or indirectly controlling the four-way RGV, the mechanical arm, the identification piece and the binding piece; the automatic binding system for the reinforcement cage is applied to binding of the reinforcement cages of T-shaped beams, box beams, pier columns and cover beams. The method has the advantages of improving the production efficiency and ensuring the batch steel bar binding result, and is suitable for batch production of steel bar cages of T beams, box beams, pier columns and cover beams.

The utility model belongs to the technical field of steel reinforcement framework machining, and discloses a T-beam web framework single-piece welding device which comprises a pedestal, a first welding mechanism, a second welding mechanism, a third welding mechanism and a clamping mechanism, the pedestal comprises a plurality of positioning groove seats, and the positioning groove seats can be matched with the clamping mechanism to clamp and fix horseshoe long stirrups. The first welding mechanism and the third welding mechanism are arranged on the pedestal in a sliding mode in the first direction, and the second welding mechanism is located between the first welding mechanism and the third welding mechanism and comprises two second welding assemblies moving in the opposite direction or in the opposite direction in the second direction. The first welding mechanism, the second welding mechanism and the third welding mechanism are used for welding all to-be-welded points on horseshoe ribs and long stirrups, automatic welding of T-beam web framework single pieces is achieved, and the welding efficiency and the forming precision are high.

The invention discloses a concrete prefabricated T beam erection method capable of avoiding stress concentration in a hoisting process, which relates to the technical field of concrete prefabricated T beam erection and comprises the steps of hoisting equipment synchronism control, dynamic load control, defect detection and treatment in a prefabrication stage, hoisting point arrangement optimization and beam body fixation and protection. Through synchronous control, dynamic load control and defect detection and treatment in the prefabrication stage of the hoisting equipment, and optimization of hoisting point arrangement and fixation and protection of the beam body, the problem of stress concentration caused by various factors during hoisting of the concrete prefabricated T-beam in the prior art can be effectively solved, structural damage such as distortion and cracks of the beam body is avoided, and the construction quality of the concrete prefabricated T-beam is improved. The structure integrity and safety of the beam body are improved, the quality of bridge engineering is ensured, and due to the fact that the beam body is evenly stressed in the hoisting process, sudden structural damage caused by stress concentration is avoided, so that the safety risk in the construction process is greatly reduced, and the life safety of constructors and the smooth proceeding of the engineering are guaranteed.

The invention relates to the technical field of production management and machine learning, in particular to a large prefabricated T-beam strength prediction model, method and system and a readable medium. According to the construction method of the large prefabricated T-beam strength prediction model, the strength prediction model is constructed based on the deep neural network, the weight of the strength prediction model is optimized in combination with the improved butterfly algorithm, and the complex relation between the concrete strength and the production line construction parameters is accurately captured; and a more reliable prediction result is provided for evaluation of the concrete structure. By applying the improved butterfly algorithm to optimize the deep neural network, a prefabrication enterprise can optimize a production plan, improve the production efficiency, reduce the cost and ensure the quality and safety of the prefabricated T-beam. According to the method, by optimizing the local search strategy of the butterfly algorithm, the convergence speed and precision of population iteration are remarkably improved, and meanwhile, the risk of falling into a local optimal solution is reduced.

The utility model relates to the technical field of T-beam formworks, and discloses a T-beam formwork connecting structure which comprises a formwork body and a flange formwork, the formwork body and the flange formwork are hinged, connected and matched through a first hinge mechanism, one side of the formwork body is connected with a comb-shaped supporting plate, and the other side of the formwork body is connected with a second hinge mechanism. The top of the comb-shaped supporting plate is provided with a flange top plate capable of being adjusted in a swinging mode to support the flange formwork, and the comb-shaped supporting plate and the flange top plate are connected and matched in a hinged mode through a second hinge mechanism. The insert can control the flange top plate to incline downwards at the same time, at the moment, the flange formwork can move downwards in a matched mode after the flange top plate inclines downwards and is adjusted, the flange formwork is prevented from making contact with the flange of the T-shaped beam, and when the formwork body overall assembly is pulled and detached, the integrity of the prefabricated T-shaped beam can be guaranteed; therefore, the effects of conveniently and safely dismounting the template main body and preventing the T beam from being damaged are achieved.

The spiral stirrup prefabricated T beam comprises a wing plate steel reinforcement framework, a beam rib steel reinforcement framework and connecting ribs, one end of the beam rib steel reinforcement framework is inserted into the wing plate steel reinforcement framework to form an overlapping area, and the connecting ribs are located in the overlapping area; the wing plate steel reinforcement framework and the beam rib steel reinforcement framework are bound to the connecting ribs through steel bars to form the prefabricated T beam, and the wing plate steel reinforcement framework comprises wing plate spiral stirrups and wing plate longitudinal main ribs connected to the wing plate spiral stirrups. The beam rib steel reinforcement framework comprises beam rib spiral stirrups and beam rib longitudinal main reinforcements connected to the beam rib spiral stirrups, and the beam rib spiral stirrups and the wing plate spiral stirrups are both formed by continuously bending a rib material. According to the spiral stirrup prefabricated T beam, the integrality of a prefabricated T beam steel reinforcement framework is enhanced, the hooping effect of stirrups on core area concrete is improved, the steel reinforcement cutting and bending times are reduced from the machining angle, the workload is reduced, and meanwhile the production efficiency is improved.

The utility model discloses a T-beam hogging moment steel bundle toothed plate reinforcement cage positioning machining device which comprises a plurality of supporting assemblies arranged in rows and an adjusting rod (1) connected to the upper portions of the supporting assemblies. The support assembly comprises: a support base (2); the adjusting piece (3) is connected to the top of the supporting base (2) in a communicating mode; the lower part of the support frame (4) is in threaded connection with the adjusting piece (3); wherein the adjusting rod (1) is detachably mounted above the supporting frame (4). The positioning device is fully reliable, easy and convenient to assemble and disassemble, capable of being folded, small in occupied space, high in practicability and capable of accurately positioning the distance between a gradually-changed stirrup and a longitudinal steel bar so as to guarantee the positioning precision of manufacturing and forming of the anchoring toothed plate reinforcement cage, meanwhile, the machining quality and construction efficiency of the toothed plate reinforcement cage can be remarkably improved, and the construction cost is reduced. And manual intervention and machining errors are reduced.

The utility model discloses a T-beam wing plate comb plate slurry leakage processing device which comprises a comb-shaped side mold, a tooth groove is formed in the rear end of the inner side of the comb-shaped side mold, steel bar bodies are clamped in the tooth groove, and slurry stopping rubber strips are arranged between the steel bar bodies in the tooth groove. By arranging the grout stopping rubber strips and the release agent layers, in the using process, after the comb-shaped side formwork is supported outside the T-beam wing plate reinforcing steel bar bodies, the release agent layers are brushed on the inner sides of tooth grooves, then the grout stopping rubber strips are clamped into the inner sides of the reinforcing steel bar bodies in the tooth grooves, and mortar is prevented from leaking out of the reinforcing steel bar bodies during T-beam pouring through the grout stopping rubber strips; meanwhile, the grout stopping rubber strip is convenient to take out and can be recycled, so that the heavy working procedures of manually chiseling away gap stuffing after plugging and form removal and the like are omitted, the labor cost during T-beam pouring is saved, meanwhile, the labor intensity of workers is reduced, the grout leakage prevention effect is very obvious, and the construction efficiency is improved. And the prefabrication quality of the beam body is ensured, and the prefabrication attractiveness of the beam body is also ensured.

The invention discloses a method for erecting an in-situ precast beam, which comprises seven steps of side slope excavation and protection, lower structure construction, profile steel pedestal construction, beam sheet in-situ prefabrication, maintenance and tension, transverse movement and beam falling and subsequent construction, the precast beam is a T beam matched with a vehicle-mounted overbridge, in-situ prefabrication is carried out on a bridge site, and off-site prefabrication and beam transportation procedures are not needed; three differentiated transverse moving beam falling schemes are designed, a section steel pedestal is of a modular detachable structure and can be repeatedly used, and a leveling cushion layer is arranged on the contact face of a precast beam and a permanent support. The construction safety risk is greatly reduced, the process is simple and convenient, the construction period is short, the construction cost is saved, the construction flexibility and adaptability are high, the erection precision is high, the structural stability is good, and the construction method is suitable for various T-beam erection projects with limited sites and particularly suitable for vehicle platform bridge projects which stretch across newly-built main line expressways and are located in remote excavation sections.

The utility model discloses a kind of suspended follow-up tunnel work area top rockfall protection devices, tunnel protection technical field, be set in the top of one side tunnel work area of midseptum, including being set in the tunnel top surface along several groups of suspension anchor rod of tunnel axial direction, suspension anchor rod bottom slidingly arranged T beam;T beam includes transverse wing plate, and the length median line of transverse wing plate is fixedly connected vertical web;Multiple roller supports are fixed in vertical web bottom, the bottom rotationally connected adjusting roller of each roller support, adjusting roller is fixedly connected with protective screen keel;Multiple protective screen keel top surface is flush, protective screen is laid on multiple protective screen keel top surface, and is fixedly connected with protective screen keel top surface.The adjusting roller of being set in the bottom of T beam, protective screen keel, protective screen is set on protective screen keel, so that protective screen can adapt to arch tunnel, suspension anchor rod is set simultaneously, and T beam moves on suspension anchor rod, can make protective screen move along the axial direction of tunnel.

The present application relates to hoisting device technical field, disclose a kind of T beam formwork hoisting device, including T beam formwork and hoisting device, hoisting device includes two long crossbars of side by side arrangement, long crossbar front end is fixed with vertical pole, two long crossbar rear end between and two vertical pole top end between are fixed with short crossbar, vertical pole rear side is fixed with clamping arm, the bottom end of two vertical pole front side surface is fixed with same balance bar;Vertical pole is equipped with several groups of active block and driven block that cooperate with each other at equal intervals in adjacent vertical column place, and the side surface of vertical pole is close to adjacent vertical pole and is provided with the square groove corresponding with the position of driven block and the size is adapted.The present application, clamping arm is as through lifting support point, balance bar and T beam formwork are adhered to force, driven block abuts and fixes T beam formwork, when hoisting, prevent relative sliding between T beam formwork and hoisting device, maintain T beam formwork posture stable, improve construction safety.

The utility model provides a bridge reinforced concrete T-beam steel and concrete combination performance improving device which comprises a profile steel structure, the profile steel structure is fixed below a T-beam of a bridge, the profile steel structure comprises a base steel structure and a reinforcing steel structure, and the base steel structure comprises a horizontal steel plate, a first vertical steel plate and a second vertical steel plate. The horizontal steel plate is fixedly connected with the lower surface of a bridge T-beam web. The first vertical steel plate and the second vertical steel plate are fixedly arranged on the two sides of a bridge T-beam respectively. The reinforcing steel structure comprises first channel steel, second channel steel and batten plates, upper wing plates of the first channel steel and the second channel steel are fixedly connected with the lower surface of the horizontal steel plate, and the batten plates are fixedly distributed below the first channel steel and the second channel steel and are distributed at equal intervals in the extending direction of the bridge T-beam. The profile steel structure is arranged below the reinforced concrete T-shaped beam, the dead load of the T-shaped beam can be reduced, meanwhile, the reinforced concrete combination performance of the concrete T-shaped beam is improved, the structure is simple, cost is low, and the use performance of a bridge can be improved.

The utility model relates to the technical field of building construction, in particular to a folding type T-beam diaphragm plate construction platform which comprises a supporting plate, sliding blocks and stand columns, the sliding blocks are connected to the two ends of the supporting plate in a sliding mode respectively, the stand columns are fixedly arranged at the bottom ends of the sliding blocks respectively, a plurality of cross beams are fixedly arranged on the side walls of the stand columns, and the middles of the cross beams are movably connected with second inserting grooves. Compared with a traditional folding type T-beam diaphragm plate construction platform, the supporting plates, the sliding blocks and the stand columns are matched, the convenience of stand column interval adjustment is improved, the cross beams and the second inserting grooves are matched, the overall stability of stand column adjustment is improved, the protective fences, the first limiting blocks and the first telescopic rods are matched, and the working efficiency is improved. The stability of protective supporting of the protective fence is improved, the stability of supporting of constructors is improved through cooperation of a second limiting block, a bottom plate and a telescopic plate, so that the size is convenient, and the adaptability of a construction platform and the efficiency of construction operation are improved.

The invention relates to the technical field of highway engineering, discloses a prestressed fabricated road structure and a construction mode, and aims to promote industrial development and scientific and technological progress in China at a high level, innovate structural design and optimize a process method. According to the overall technical scheme, a prefabricated component is deeply designed, inverted-T-shaped prefabricated curbstone beams and middle supporting T beams are in place and positioned, distributed multi-point ground piles are reinforced, stiffening rib plates are connected in a reinforced mode, a single reinforcing mesh is subjected to an anti-arch effect, unbonded prestressed tendons are arranged through an inner anchoring method, fine aggregate concrete is poured and formed at a time, segmented construction is conducted, and line production is conducted. According to the design concept of'comprehensive pavement of asphalt surface layers', engineering practice is combined, research, development and application of a new technology are enhanced, a technical system is formed, and industry transformation development is boosted with high quality for industry reference.

The utility model provides a kind of horizontal lifeline system for railway T beam wet joint construction, comprising: load-bearing rope;Buffer, two ends are respectively connected with the two ends of the load-bearing rope;Wire tightener, two outer ends of the buffer are respectively connected with the inner end;Carrying column, it includes two, outer end of the wire tightener is respectively connected with the inner side, and vertically set in the upper transverse diaphragm and the lower transverse diaphragm of two pieces of T beam adjacent in front and back two outer sides of opposite;Anti-inclination device, it is connected with carrying column and is supported on T beam web horseshoe face;Safety rope hanging assembly, for the front and rear cross beam joint in the T beam;Safety rope, it includes two, lower end is respectively connected with the outer end of the buffer, and upper end is connected with the lower end of safety rope hanging assembly by detachable connecting piece.The utility model is used in cooperation with safety belt can provide high place operation falling safety protection for railway T beam wet joint construction whole cycle, prevent high place falling accident.

The invention discloses an expressway T-beam production line which comprises a steel bar production workshop, a steel bar cage binding mould and hoisting equipment. The hoisting equipment is used for hoisting the T-beam reinforcement cage bound on the reinforcement cage binding mould into the T-beam production mould; the T-beam production mold is used for pouring and forming a T-beam; the material distribution equipment is used for pouring concrete to the T-beam production mold; the concrete conveying equipment is used for conveying the stirred concrete into the material distribution equipment; the curing equipment is used for curing the formed T beam; the prestress tensioning equipment is used for tensioning the steel strand of the corrugated pipe arranged on the T-beam in a penetrating mode; and the end sealing pouring mold is used for pouring concrete into an end groove after the steel strand of the T-shaped beam is installed.

The invention discloses a construction method for building a ship lock mass concrete structure through bridge demolition components, and relates to the technical field of civil engineering. The method comprises the following steps: screening a concrete T beam or a concrete cover beam in bridge demolition as a precast block, carrying out lossless cutting and hoisting to a pretreatment field, and carrying out zoning, grading and directional scabbling treatment on a contact interface of a component and post-poured concrete, so that a friction gradient is formed on the interface, and the component realizes self-stabilization through friction in the early stage of construction. And then the concrete is poured layer by layer, so that deformation coordination of the new and old concrete is realized in the hardening and temperature deformation stages of the concrete to form an integral ship lock structure. According to the construction method, cooperative work of the prefabricated component and mass concrete is achieved through interface behavior regulation and control, the construction process is simplified, the temperature control anti-cracking performance is improved, and the high-valued utilization level of the bridge demolition component in a hydraulic structure is improved. Meanwhile, resource utilization of the construction waste is achieved, and new material consumption and engineering cost are effectively reduced.

The invention relates to a construction process for erecting beams on beams in limited urban road construction space, which comprises the following steps of: installing at least two temporary supports at a continuous end of a T-shaped beam hoisting position, and installing a permanent support on a padstone at the top of a pier; sequentially hoisting the (1-n) th T beam on the temporary supports and the permanent supports along the direction gradually approaching the beam conveying channel, n being greater than or equal to 2, and carrying out temporary supporting after hoisting is completed; the crane is transferred to a bridge floor formed by the (1-n) th T beam, the (n + 1)-m th T beam continues to be hoisted, m is larger than or equal to n + 1, and temporary supporting is selectively conducted after hoisting is completed; and wet joint steel bar welding construction of the (1-m) th T-beam is completed, and construction machinery retreating and follow-up structure construction are organized according to a standard program. According to the method, the T-shaped beam is arranged to be a method of erecting the beam on the beam, beam erecting can be completed in a narrow space without a hoisting site or under the special working conditions of an existing pipeline protection area and the like, the influence on traffic is reduced, and meanwhile the problems of soft foundation settlement and the like are solved.

The utility model provides a prefabricated T-beam concrete spreader, and relates to the technical field of spreader. The prefabricated T-beam concrete spreader comprises a discharging port, a first gate and a second gate are arranged at the discharging port in an opening and closing mode, in the pouring direction, the width of the first gate is larger than that of the second gate, and the width of the second gate corresponds to that of a reinforcing rib mold. The first gate and the second gate can be opened simultaneously during distribution at the conventional position of the precast beam, and distribution efficiency is improved; and only the second gate can be opened at the position of the precast beam reinforcing rib, so that small-unloading-amount material distribution is realized, automatic material distribution is realized, and meanwhile, concrete is prevented from being scattered out of the mold, so that manual paving is avoided, and the efficiency of a construction mode is improved.

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.

The utility model discloses a pre-tensioning method pedestal for double T-shaped beams with different spans, which relates to the field of pre-stressed concrete simply supported double T-shaped beam tensioning pedestals, and comprises a base assembly, the base assembly comprises a double T-shaped beam forming frame formed by a plurality of standard sections which are detachably connected, and the double T-shaped beam forming frame is provided with a plurality of cross sections. The standard section comprises a fixed frame and a double-T-beam mold located in the fixed frame. And the tension assemblies are located at the two ends of the double-T-beam forming frame and comprise anchoring units located at the ends of the double-T-beam forming frame and tensioning units located on the double-T-beam forming frame and capable of horizontally moving on the double-T-beam forming frame, and anchoring pull rods are arranged between the anchoring units and the tensioning units. The double-T-beam forming frame is divided into the multiple detachably connected standard sections, the overall length of the double-T-beam forming frame can be adjusted according to the assembly number of the standard sections so that the double-T-beam forming frame can be suitable for double-T beams of different spans, overall universality is high, and capital complaints and site investment can be greatly reduced.

The utility model relates to the technical field of prefabricated T beams, in particular to a convenient maintenance support for a prefabricated T beam. In order to solve the problems that time and labor are wasted during erection of a traditional maintenance support of a prefabricated T-beam, overall movement is difficult, and the construction progress is slow, the novel convenient maintenance support of the prefabricated T-beam is provided and comprises a plurality of gate-type supports, each gate-type support comprises two vertical rods and a transverse rod, and the length direction of each transverse rod is arranged in the width direction of the prefabricated T-beam; the door-type supports are distributed at equal intervals in the length direction of the prefabricated T-beam, and a telescopic shear shank is arranged between every two adjacent vertical rods in the length direction of the prefabricated T-beam. The maintenance support for the prefabricated T beam can be prepared in advance, can be repeatedly used, does not need to be erected on site, is convenient to move and carry, effectively improves construction efficiency, and reduces construction cost.

The utility model provides a kind of can be under railway operating condition to damaged, aged railway simply supported T beam is dismantled and replaced, and can also consider bridge erecting and erecting beam replacement integrated machine.Errecting beam replacement integrated machine includes main beam and installs power system, electro-hydraulic control system and driver's cabin on main beam, two hoist trolleys that move along main beam are provided on main beam, main beam is also provided with: rear main supporting leg is connected in the front section and rear section of main beam;Front main supporting leg or bridge erecting supporting leg, connect in the front section of main beam;Walking wheel group is installed in the below of front main supporting leg and rear main supporting leg for driving whole machine walking;Auxiliary supporting leg is provided with one or two, connect in the front end or front and rear ends of main beam.In the utility model, beam replacement working condition and bridge erecting working condition only need to replace a few parts, and it is convenient and fast to switch between different working conditions.

The utility model discloses a stable supporting system suitable for a double-T-beam structure, which structurally comprises a double-T-beam, end cross beams, embedded steel plates, plate-type rubber supports and support pad stones, and the end cross beams are respectively arranged on two end sides of the double-T-beam which is connected through cast-in-place wet joints. Embedded steel plates for supporting the plate type rubber support are arranged on the bottom end faces of two beam ribs at one end of the double-T beam, and embedded steel plates for supporting the plate type rubber support are also arranged on the bottom end faces of the middle parts of end cross beams of the two beam ribs at the other end of the double-T beam, so that triangular stable support is formed, and the plate type rubber support can be supported under the action of dead load and live load; the double-T-beam four-support disengagement problem is effectively solved, the top end face of the plate-type rubber support is connected with the embedded steel plate, the bottom end face of the plate-type rubber support is connected and supported to the support pad stone installed at the lower end, and the supporting effect is achieved.

The utility model relates to the technical field of bridge prestress T-beam formworks, and discloses a prefabricated T-beam adjustable formwork safety operation platform device and a formwork system, which comprise a left side formwork and a right side formwork which are arranged oppositely, and further comprise a supporting platform detachably connected to the top of the left side formwork and the top of the right side formwork. A left construction panel and a right construction panel are connected to the supporting platform, the left construction panel is located above the left side mold, the right construction panel is located above the right side mold, and a construction gap is formed between the left construction panel and the right construction panel. According to the utility model, the supporting platform, the left construction panel and the right construction panel are arranged, so that a standing platform for safe blanking and an operation platform for vibrating, flattening and maintaining are provided for workers during concrete pouring construction operation, and damage to prestressed T-beam top plate reinforcing steel bars, top plate second-stage prestressed tendons and the like during construction is completely avoided; and meanwhile, risks such as slipping and falling of workers during construction are reduced, and the problems that in the prior art, a T-beam casting forming mold is low in forming quality and has safety risks are solved.

The utility model discloses a business line railroad bridge overhaul construction full-wrapped beam integral type operation frame which comprises sidewalk angle steel supports existing on a railroad bridge, longitudinal through long pipes are laid on the sidewalk angle steel supports on the two sides respectively, and a plurality of hanging rods are hung on the longitudinal through long pipes on the two sides respectively. The bottoms of the two hanging rods corresponding left and right are connected through a beam bottom cross rod, the beam bottom cross rod is hung on a T beam through a hanging assembly, the middle of each hanging rod is connected with a frame body cross rod, the frame body cross rods on the two sides abut against T beam webs on the corresponding sides inwards, the middle of each frame body cross rod is connected with a frame body vertical rod, and the frame body vertical rods abut against the T beam webs on the corresponding sides. The upper ends of the frame body vertical rods abut against the T-beam wing plates, and the lower ends of the frame body vertical rods are connected with the beam bottom transverse rods, so that #-shaped frame body structures are formed on the two sides of the railway bridge, base plates are fully laid between upper frame bodies of the #-shaped frame body structures on the two sides in the longitudinal direction, and operation layers are formed on the two sides of the railway bridge. The pressure required by the skylight is effectively relieved, and the purposes of reducing cost and increasing efficiency are achieved.

The utility model discloses a prefabricated T-beam transportation anti-overturning device in the technical field of bridge construction, which comprises a bottom plate, two groups of support rods respectively used for supporting two sides of a T-beam are hinged to the upper end of the bottom plate, the bottom plate is provided with a clamping component, the clamping component is used for clamping the bottom of the T-beam, the two sides of the T-beam are supported by the support rods, and the T-beam is supported by the clamping component. According to the T-beam supporting device, the flange plates, the webs and the bottom ends of the webs of the T-beam are synchronously supported, the supporting area is increased, the supporting rods are prevented from sliding relative to the T-beam, the supporting strength is improved, and the supporting and stabilizing effects of multiple supporting points can be achieved.

The invention relates to the technical field of concrete bridges, in particular to a uniform-section T beam formwork system which comprises a movable pedestal, the two sides of the movable pedestal are each provided with a base, the multiple bases are arranged in the length direction of the movable pedestal at intervals, and each base is provided with a transverse moving system; the two web side formworks are located on the two sides of the movable pedestal and located above the base, wing plate formworks are hinged to the tops of the web side formworks, and the transverse moving system is used for driving the web side formworks to move; the transverse partition plate formworks are arranged on the web side formworks and located below the wing plate formworks, and the transverse partition plate formworks are arranged in the length direction of the web side formworks at intervals, so that the design that a T-beam wing plate and a T-beam transverse partition plate are separated is achieved, and the transverse partition plate pouring requirement of a uniform-section T-beam is met; therefore, the two plate side molds are controlled to be close to or far away from each other, opening and closing of the mold plate system are achieved, and mold closing and demolding of the mold plate system are simplified.

The present application relates to a kind of formwork systems for prefabricated fold line pre-tensioning method prestressed double T beam, including formwork foundation, it is characterized in that in formwork foundation, integral outer form is set, two recesses corresponding with the web of double T beam are equipped in the middle of integral outer form, end mould is equipped at the both ends of integral outer form, flange baffle is fixed on integral outer form by magnetic positioner, beam body outer steel strand diverter is installed outside end mould, fold line steel strand bending position is set on formwork foundation below the two recesses, and bending press anchor device is set in corresponding position in recess.Compared with the traditional formwork system for bridge component prefabrication, the present application adopts integral formwork structure and reasonable fold line steel strand bending system, effectively reduces formwork construction and prestress construction operation time, improves work efficiency, reduces energy consumption, greatly improves the industrialization degree of double T beam prefabrication, has good economic benefit, scientific and technological benefit and social benefit, and is worth popularization and application.