88 results about "T-beam" patented technology

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 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 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 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 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 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 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 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 invention discloses a ship air duct segmented construction method which comprises the following steps that air duct step partition plates, air duct partition plates and air duct inner longitudinal wall plates are combined in the mode that every three gears serve as a group, the air duct inner longitudinal wall plates serve as the positioning reference, and assembling and welding are conducted through an angle welding machine after scribing assembling is conducted; an air duct structure assembly is positioned on the horizontal jig frame, positive gear T-row assemblies are sequentially installed, a longitudinal wall plate in an air duct and a T-beam panel are subjected to flat butt welding, then a partition plate corresponding to a deck is installed, and an air duct structure integrity component is formed; a horizontal jig frame is manufactured, an outer plate body is positioned, the air duct structure integrity component is turned over, and the air duct structure and the outer plate body are in butt joint and then are subjected to flat angle welding; the deck assembly is hoisted to be in butt joint with the air duct structure integrity component, and flat angle welding is conducted on the connecting part; and the remaining segmented spare parts are installed, the main size of the segments is corrected, and the segments are moved to a large assembly procedure after integrity checking. The welding difficulty in a narrow space is reduced, and the construction period is shortened.

The utility model provides a kind of prefabricated T beam hydraulic end mould stripping device, including side mould component detachably set in the end mould component of side mould component side end, line crane frame and hydraulic drive component, wherein: line crane frame front end and the upper end detachably hang and rely on the connection of side mould component end, and its upper installation has hydraulic drive component;The telescopic end of hydraulic drive component is detachably connected with end mould component, to make end mould component out of die position.The utility model realizes the mechanization stripping of end mould component by the cooperation of hydraulic drive component and line crane frame;The stripping device is simple and convenient to operate, can avoid artificial high-altitude operation, improve formwork dismounting efficiency and positioning accuracy at the same time, with the advantages of improving stripping efficiency, reducing labor intensity and safety hazard, prolonging formwork service life.

The utility model relates to the technical field of steel reinforcement frameworks, in particular to a variable cross-section T beam steel reinforcement framework which comprises a plurality of groups of top plate transverse steel reinforcements and web stirrups, the plurality of groups of top plate transverse steel reinforcements are longitudinally arranged at certain intervals, and two groups of top plate longitudinal steel reinforcements are respectively arranged above the interiors of the top plate transverse steel reinforcements. The other two sets of top plate longitudinal steel bars are arranged on the lower portions of the interiors of the top plate transverse steel bars correspondingly, the top plate longitudinal steel bars penetrate through each set of top plate transverse steel bars, and the top plate longitudinal steel bars are combined with the top plate transverse steel bars to form a top plate transverse part. A plurality of sets of web longitudinal steel bars are arranged on the two sides of the interior of the web stirrup, the web stirrup and the web longitudinal steel bars are combined to form a web longitudinal part, the top plate transverse part and the web longitudinal part are combined to form a T-beam steel reinforcement framework, and the top plate transverse part and the web longitudinal part can be machined and then combined in a bending and recombining mode. The method is more suitable for mechanical production.

The invention provides a simply-supported T-beam sidewalk structure, and relates to the technical field of railway bridge engineering, the simply-supported T-beam sidewalk structure comprises a ballast blocking wall, a breaking joint, U-shaped steel, I-shaped steel, a steel cross beam assembly and a cable trough, the breaking joint is formed in the ballast blocking wall, and the breaking joint is arranged downwards from the top surface of the ballast blocking wall; the number of the U-shaped steel is two, and the U-shaped steel is fixedly arranged on the two sides of the breaking joint and wraps the top of the ballast blocking wall; the I-shaped steel comprises an I-shaped steel web, a first flange plate and a second flange plate, the I-shaped steel web is inserted into the breaking joint, the inner walls of the first flange plate and the second flange plate are attached to the outer surfaces of the two sides of the U-shaped steel respectively, and the I-shaped steel is fixedly connected with the U-shaped steel; the steel cross beam assembly is fixedly connected to the outer side wall of the second flange plate; the cable trough is fixedly arranged on the top face of the steel cross beam assembly. Multiple insurance is provided for connection of the steel cross beam and the ballast blocking wall, and the construction and overhaul difficulty can be greatly reduced.

The utility model relates to the technical field of T-shaped beam forming templates, and discloses a movable template for prefabricating a T-shaped beam, which comprises side dies arranged oppositely and a support frame connected to the side dies, movable die mounting spaces are arranged on the side dies, a universal movable die set or a tooth die movable die set matched with the movable die mounting spaces is detachably connected to the support frame, and the movable die set or the tooth die movable die set is detachably connected to the support frame. The universal movable die set is used for forming bridge floor continuity of a T-shaped beam after being connected with the side die set, the tooth die movable die set is provided with a tooth plate forming cavity used for forming a tooth plate, and the tooth die movable die set is used for forming structure continuity of the T-shaped beam after being connected with the side die set. The T-shaped beam forming mold solves the problem that in the prior art, when T-shaped beams with continuous bridge floors and continuous structures are formed, the cost of the mold plate is high.

The utility model discloses a prefabricated T beam concrete pouring material device of directional material distribution relates to prefabricated T beam concrete pouring technical field, including material distribution hopper and its material distribution hopper front and back side fixed mount and slide rail, install auxiliary cleaning subassembly on the material distribution hopper, the outside of fixed frame is welded with footboard, and the outer end fixed protection fence of footboard, the lower surface fixed with the side plate of footboard, the lower surface fixed with telescopic link of side plate, the output fixed with wheel board of telescopic link, and the inner side rotationally installed with gyro wheel of wheel board, the outside of wheel board is provided with the cleaning assembly of slide rail, and the bottom of gyro wheel is located in the slide rail. This prefabricated T beam concrete pouring material device of directional material distribution can clean the slide rail when moving the material distribution hopper, makes gyro wheel smooth rolling, and the auxiliary cleaning subassembly can help staff to clean the material distribution hopper.

The present application relates to the technical field of short T beam assembly, and discloses a municipal bridge prestressed concrete short T beam assembly digital control construction device, which comprises a micro-moving device, a hoisting device, a hydraulic control device, a moving device and a conversion assembly. The moving device drives the hydraulic oil in the retraction oil cylinder to flow back to the hydraulic control device through the hydraulic control device, so that the retraction plunger is retracted upwards. Then, the retraction plunger drives the forward-moving assembly and the locking assembly to combine and retract into the moving base through the moving connecting rod. At the same time, the hydraulic control device also drives the hydraulic oil to enter the lifting oil cylinder, so that the lifting plunger is extruded downwards and drives the support frame to slide downwards. The support frame temporarily lifts the moving base to realize efficient switching of the moving mode. After the second baffle on the conversion assembly is pulled out of the partition plate, the first electric push rod drives the hydraulic control slide plate to slowly slide between the two partition plates. Then, the hydraulic control slide plate drives the hydraulic control shaft to rotate through the hydraulic oil and the hydraulic control fan blade, so as to realize accurate control of the micro-moving device.

The utility model relates to the technical field of prefabricated T-beam formworks, and discloses a vibration flattening device for prefabricated T-beam forming and a formwork system.The vibration flattening device for prefabricated T-beam forming comprises a walking mechanism which is movably connected to the top of a mold in the longitudinal direction of a prefabricated T-beam, an insertion type vibration mechanism is vertically connected to the walking mechanism in a sliding mode, and one end of the walking mechanism is connected with a vibration mounting frame; a driving mechanism used for driving the vibration mounting frame to vertically move horizontally is connected between the walking mechanism and the vibration mounting frame, and a top face vibration mechanism is connected to the vibration mounting frame in a sliding mode. The plug-in vibrating mechanism and the top surface vibrating mechanism are arranged on the walking mechanism, so that the problem of poor vibrating effect in the casting molding process of the prefabricated T-beam in the prior art is solved.

The utility model discloses a kind of lifting appliance for T beam reinforcement cage, belong to T beam reinforcement cage hoisting equipment technical field, specific structure includes truss, chain and chain shackle, truss top side symmetrical fixedly connected with fixed seat, fixed seat top side center is provided with the hanging hole for hanging connection travelling crane hook, two chain shackle are set in the both ends of each chain, chain adopts multiple groups, along the truss length direction evenly arranged, each group of chain adopts four, and each chain middle part is fixedly connected on truss, and each chain shackle is hung on the reinforcement of T beam reinforcement cage.This utility model adopts multiple groups of chain and chain shackle to evenly hang the reinforcement on the top plate of T beam reinforcement cage, cooperate with the truss of strip frame structure, hoist stable and reliable, stress is uniform, ensure that T beam reinforcement cage is hoisted smoothly, not deformed, avoid damaging T beam reinforcement cage;Complete reinforcement cage is welded outside mould, and space is big, more conducive to welding production.

The utility model discloses a hoisting corner protection device which comprises a corner protection mechanism, the corner protection mechanism comprises a first load-bearing corner block and a first anti-skid cushion, one side of the first load-bearing corner block is provided with a first concave bending part, the first anti-skid cushion is attached to the first concave bending part, and the other opposite side of the first load-bearing corner block is provided with a limiting groove. According to the technical scheme, in the hoisting corner protection device, the first anti-skid buffering pad has the anti-skid and buffering effects, the first bearing corner block can bear the load, the first concave bent part of the first bearing corner block is used for containing the first anti-skid buffering pad, the first bearing corner block makes contact with the prefabricated T-beam through the first anti-skid buffering pad, the contact area with the prefabricated T-beam is increased, and the bearing effect of the prefabricated T-beam is improved. Therefore, the phenomenon of stress concentration is reduced. And meanwhile, when the steel wire rope is clamped in the limiting groove, the stress contact area of the steel wire rope is increased, the phenomenon of stress concentration is further reduced, and therefore the phenomena that the prefabricated T beam is damaged and the like are avoided.

The utility model discloses a walking positioning device of a concrete transfer belt conveyor for T beam production, which comprises two brake iron shoe positioning devices and a touch switch, the two brake iron shoe positioning devices are arranged on a belt conveyor frame and can lock a front row of walking wheels and a rear row of walking wheels, and the touch switch is arranged on one side of a walking track. When the touch switch is touched, the brake iron shoe positioning device is controlled to position one row of walking wheels in the walking direction according to a touch signal, the other row of walking wheels is positioned by the other brake iron shoe positioning device after positioning, and the walking belt is limited after the two rows of walking wheels are positioned. The situation that the transfer belt conveyor cannot be accurately in butt joint with the distributing hopper due to excessive movement is avoided, movement in the discharging process is also avoided, fixed-point conveying and discharging into the distributing machine are achieved, and the discharging reliability is improved.

The utility model provides a truss type side span T beam hogging moment notch cover plate which comprises an upper cover plate arranged in a top plate flange plate notch in parallel, the outer side of the upper cover plate is bent downwards to form a side cover plate, and a first L-shaped truss, a second L-shaped truss and a third L-shaped truss are arranged between the edge of the upper cover plate and the edge of the side cover plate and fixedly connected. The first L-shaped truss, the second L-shaped truss and the third L-shaped truss are fixedly connected through reinforcing rod assemblies. By means of the truss type cover plate device, the problems that reinforced concrete is wasted and construction materials are consumed due to direct pouring of traditional T-beam side span hogging moment can be solved; the truss-type side-span T-beam hogging moment notch cover plate is provided, the condition that one person can rapidly conduct installation on a T-beam formwork can be achieved, the formwork installation efficiency, quality and safety risk are greatly improved, and the truss-type side-span T-beam hogging moment notch cover plate has good applicability to hogging moment cover plates of side-span T-beams of the same type.

The utility model relates to the prefabricated beam construction technical field discloses a prefabricated T beam top face shear bar adjustable positioning device, including cradle, positioning device, reinforcement cage, adopt installing positioning device on the frame of cradle, the positioning rod on positioning device can effectively fixed shear bar height position and horizontal position, reduce the phenomenon that the shear bar is not level, avoid the need for manual fixing shear bar when binding or welding simultaneously, convenient binding or welding operation, only need to place corresponding shear bar on the positioning rod during construction to realize accurate positioning, simple and convenient operation, reduce the professional ability requirement to operating personnel, and improve construction efficiency.

The utility model discloses a T-shaped beam end mold adjusting tool which comprises two adjusting screw rods and two clamping seats, the end portions of the same sides of the two adjusting screw rods abut against the two ends of the top of a T-shaped end mold respectively, each adjusting screw rod is connected to one clamping seat in a screwed mode, and the two clamping seats are detachably connected to clamping groove plates arranged on the tops of a left mold and a right mold in a clamped mode respectively. Circular rings are arranged at the outer ends of the adjusting screws. The adjusting screws are additionally arranged at the two free ends of the top of the T-beam end mold for adjustment, so that the position of the top of the T-beam end mold can be optimal, the flatness of the end face of a formed T-beam is better, displacement of the two free ends of the top face of the end mold caused by stress applied to the end mold after concrete pouring is effectively avoided, the auxiliary reinforcing effect is achieved, and the service life of the T-beam end mold is prolonged. And the offset caused by insufficient self-gravity blocking of the top of the close-to-end mold is solved.