1299results about "Form treatment" patented technology

The invention belongs to the technical field of hydraulic creeping formwork monitoring, and particularly relates to a hydraulic creeping formwork monitoring system and a hydraulic creeping formwork monitoring method. Whether the demolding opportunity is reached or not is judged by detecting the concrete strength and environmental conditions of a poured area in the hydraulic creeping formwork pouring process; the pressure distribution of the jack is monitored when the demolding time is not reached, and the displacement and stress distribution of the template system are monitored when the demolding time is reached, so that the comprehensive monitoring of the hydraulic creeping formwork in the pouring state is effectively realized, and the pressure of the jack is pertinently adjusted by always utilizing the distribution monitoring result of the pressure of the jack in the process; the displacement risk of the formwork system in the demolding waiting process is reduced to the maximum extent, then the unloading sequence and amplitude of the jacks are dynamically adjusted through the displacement and stress distribution detection result of the formwork system when it is judged that the demolding opportunity is reached, the separation speed difference between the formwork and concrete can be reduced, and it is ensured that the unloading process is stable and uniform.

The present invention relates to the technical field of construction of caissons. Disclosed are an operation platform in a caisson and a mounting method for a shaft wall formwork. The caisson platform consists of a platform base plate, a vertical rod assembly, a first horizontal support assembly and a second horizontal support assembly, wherein the rod assembly consists of a plurality of outer-ring vertical rods, a plurality of inner-ring vertical rods and central vertical rods; and the first horizontal support assembly and the second horizontal support assembly have the same structure, and each of the first horizontal support assembly and the second horizontal support assembly consists of a plurality of long diagonal support rods, a plurality of connecting rods and a plurality of short support rods. The present invention can provide supporting points for fixing inner formwork boards and, in combination with outer-ring reinforcing steel bars for outer formwork boards, can overcome impact force and lateral static pressure during concrete pouring, without needing to fix the formwork boards by using tie bolts. In addition, in a formwork assembly stage, the platform base plate can provide a working face for mounting the formwork. Thus, the present invention is convenient to operate, does not require assembly and disassembly, and can be directly hoisted and installed for use as a whole, thereby saving on time and labor.

The invention relates to an anti-crack construction method for anti-radiation mass concrete. The anti-crack construction method comprises the following steps: 1) designing a computer tall formwork system and performing computer simulation construction; (2) optimally designing a concrete mix proportion; (3) a wall body cooling water circulating pipe and a temperature detector are installed; (4) mass concrete pouring process quality control; 5) starting a water cooling system; and (6) concrete curing. According to the method, safety calculation software is used for carrying out safety load simulation calculation, BIM simulation construction, test optimal mix proportion, raw material management and control and electronic temperature monitoring, and analysis is carried out according to the real-time temperature monitoring condition; the cooling pipe circulating water is used for reducing internal hydration heat, the geotechnical cloth and the film cover are used for heat preservation, moisture preservation and maintenance, all-around and whole-process quality control measures are taken, and it can be ensured that the mass concrete does not have the quality problems of cracking, leakage and the like which affect the radiation protection performance.

The invention relates to a plant steel truss floor support plate, and belongs to the field of building steel structures, the plant steel truss floor support plate comprises a first bottom plate and a second bottom plate, the first bottom plate is arranged on the second bottom plate, the size of the second bottom plate is larger than that of the first bottom plate, and a plurality of first vertical rib positioning grooves are formed in the second bottom plate; the first vertical rib positioning grooves are formed close to the side face of the first bottom plate, second vertical rib positioning grooves are formed in the two sides of the first bottom plate, the second vertical rib positioning grooves penetrate through the bottom and the top of the first bottom plate, the second vertical rib positioning grooves correspond to the first vertical rib positioning grooves in a one-to-one mode and are communicated with the first vertical rib positioning grooves, and the first vertical rib positioning grooves in the two sides of the second bottom plate correspond to each other in a one-to-one mode. The floor support plate has the advantages that the vertical steel bars can be accurately and rapidly positioned, the vertical steel bars are not prone to deviation in the welding process, meanwhile, splicing of the adjacent bottom plates is facilitated, the machining difficulty of the floor support plate is lowered, and the situation of slurry leakage in the concrete pouring process is reduced.

Disclosed in the present invention are a prefabricated composite floor slab and steel bar truss floor deck directly utilizing old slabs, and a method. The prefabricated composite floor slab comprises new concrete, old concrete slabs, a slab bottom reinforcing mesh, a slab surface reinforcing mesh, steel bar trusses, steel dowel bars, and post-cast concrete. The steel bar truss floor deck comprises new concrete, old concrete slabs, a steel base plate, a slab surface reinforcing mesh, steel bar trusses, steel dowel bars, and support steel bars. According to the present invention, the old concrete slabs are directly utilized instead of being crushed into recycled blocks or recycled aggregates for reuse, thereby greatly simplifying processing procedures, significantly increasing the recycling rate of old concrete, and significantly reducing the usage amounts of new concrete and corresponding cement, thus achieving a significant carbon emission reduction effect; through holes are vertically drilled in the old concrete slabs, the steel dowel bars are inserted into the through holes, gaps between the steel dowel bars and the through holes are then filled with a high-strength grouting material, and shear resistance members are arranged on the side edges of the old concrete slats to enhance the shear resistance at the interface between the new concrete and the old concrete.

The utility model relates to the technical field of house building construction, in particular to a stair formwork building device for house building construction. The utility model provides a stair formwork building device for house building construction, which is high in building adaptability. A stair formwork building device for house building construction comprises a bottom plate, an angle adjusting assembly, a connecting frame, a supporting plate, side edge fixing assemblies and the like, the supporting plate is rotatably connected to the upper portion of the right portion of the bottom plate, the side edge fixing assemblies are slidably connected to the left portion and the right portion of the supporting plate, and the connecting frame is rotatably connected to the lower side of the left portion of the supporting plate. An angle adjusting assembly is connected between the upper side of the left portion of the bottom plate and the connecting frame. According to the stair formwork supporting device, the movable bottom frame is matched with the driving motor, so that the bottom plate is moved and adjusted in the horizontal direction and the vertical direction, the supporting plate can be matched with installation of stair formworks at different positions, and the adaptability of building of the stair formworks is improved.

The invention discloses a construction method and device for controlling the perpendicularity of a high pier, and belongs to the technical field of bridge engineering construction. Determining a plumb aligner control point; mounting a creeping formwork bracket; installing a laser target; correcting and installing an inclination measuring instrument; centering the point position of the laser plumb aligner; measuring a deviation value between the laser beam and the pier body; collecting data of an inclination measuring instrument; and pier body concrete is poured. According to the method, through triple measurement rechecking and chemical deviation calculation, the perpendicularity control precision and efficiency of high pier construction are remarkably improved, and the method is suitable for high pier construction in a complex environment.

The invention discloses a concrete cantilever structure pull-up formwork construction method which is characterized by comprising the following steps: load calculation and component model selection; pre-burying the U-shaped bolts; pre-burying the upper-section pull rod; i-shaped steel end connecting plates are welded, and double-layer angle steel connecting plates are welded to the cantilever ends of the I-shaped steel; i-shaped steel cantilever girders are installed; assembling a pull rod system; the pull rods are fastened and leveled with a system, the two pull rods are synchronously fastened, the double rods are ensured to simultaneously advance and retreat during adjustment of an adjusting device, and a level gauge is used for observation and leveling after initial adjustment; the formwork frame and the safety enclosure are installed; pull rod pre-tensioning and deflection monitoring are carried out, pre-tension force is applied through an adjusting device, the deflection of the cantilever end is detected, monitoring points are arranged, and a deformation early warning mechanism is established; regulating and controlling concrete pouring; and removing the mold and recycling. The overhanging structure is high in anti-overturning capacity and suitable for large-span and special-shaped overhanging structures, and the safety is remarkably improved.

The invention relates to a top-cover-free rectangular concrete body inner mold demolding device and demolding method.According to the top-cover-free rectangular concrete body inner mold demolding device, through innovative structural design, a rectangular inner mold is divided into two angle molds and two L-shaped molds, and a track extending by a specific angle (45 degrees in the horizontal direction) and an intermittent driving device are matched. During demolding, the intermittent driving device can accurately drive the two angle molds to synchronously slide inwards firstly, the contact area and friction force between the inner mold and a concrete body are effectively reduced, then the two L-shaped molds are driven to synchronously slide inwards, and the whole demolding process is completed. Compared with a traditional demolding mode, the demolding efficiency is greatly improved, and the demolding time is shortened; by the adoption of the gradual demolding mode, direct beating and violent disassembly of the mold and the concrete body are avoided, the risk that the inner mold and the concrete body are damaged is effectively reduced, the surface integrity and the internal structural strength of the concrete body are guaranteed, the service life of the inner mold is prolonged, and the production cost is reduced.

The invention discloses a novel dismounting device for reinforcing a beam template, which relates to the technical field of building construction and comprises a fixing mechanism, a linkage mechanism and a locking mechanism, and the locking mechanism is used for clamping the two limiting gear plates into the clamping grooves correspondingly to further reinforce and lock the beam mold. According to the device, firstly, when the device is used, a clamping block falls into a clamping groove under the action of gravity, a one-way bearing is combined to prevent the clamping block from rotating backwards, mechanical locking is formed, it is ensured that related assemblies cannot reset reversely, the device is kept at the proper position after adjustment, and clamping force is continuously and stably applied to a beam formwork; the limiting gear plate and the clamping groove are tightly clamped, and the linkage mechanism is further reinforced, so that the device can bear larger external force and does not loosen or displace, the stability of a beam formwork in the construction process is guaranteed, the size and shape precision of a beam is ensured, the beam structure quality is improved, and meanwhile a safe operation environment is created for constructors.

The invention relates to the technical field of stair construction, and discloses a stair socket reinforcing formwork construction process which comprises the following steps of preparation before construction, completion of technical disclosure, assembly inspection and site arrangement. The installation of the modularized reinforcing assembly comprises the steps of arranging, fixing and calibrating an inclined strut assembly, a horizontal pull rod assembly and a quick connecting node; a formwork is installed and reinforced, the bottom formwork and the side formwork are connected through a horizontal pull rod, and the side formwork is supported through an inclined strut assembly; and the embedded reinforcing assembly is embedded, specifically, the embedded reinforcing assembly is arranged in the formwork and fixed to the formwork. By adopting the modular reinforcing assembly system and through standardized design and dynamic adjustment functions of the inclined strut assemblies, the horizontal pull rod assemblies and the rapid connecting joints, rapid arrangement, flexible adjustment and efficient installation in the construction process are achieved. Compared with a traditional formwork erecting process depending on manual measurement and field processing in the prior art.

The invention discloses a prefabricated conical shell steel supporting structure capable of being hoisted for squat silo construction. The prefabricated conical shell steel supporting structure comprises a conical shell wall plate assembly, a ring beam assembly, a radial beam, a lifting lug assembly, an adjustable supporting assembly, an anti-swing assembly, a connecting assembly, an auxiliary positioning assembly and a sling connecting assembly. Core components such as the conical shell wall plate and the supporting framework are all prefabricated in a factory, the quality is controllable, splicing and hoisting are only needed on site, high-altitude erecting operation is greatly reduced, the high formwork erecting risk and the hidden danger of falling objects from high altitudes are reduced, hoisting stability is high, safety is improved, hoisting stress is dispersed through the lifting lug stiffening plates, and the hoisting efficiency is improved. The anti-swing assembly and the cable wind rope cooperatively control swing, it is ensured that the overall hoisting process is stable, structural collision and stress overload are avoided, the splicing precision is high, the adaptability is high, adjustability during installation is achieved through the adjustable supporting assembly arranged on the squat silo top, and it is ensured that the hoisted steel supporting structure can accurately fall on the preset position of the squat silo top.

The invention relates to a climbing system (1) comprising a first anchoring shoe (17) intended to be fastened to an already erected first wall section (11). The climbing system (1) further comprises a climbing drive (18) comprising a first drive component (28) and a second drive component (27), wherein the first drive component (28) and the second drive component (27) are movable relative to one another. The climbing system (1) further comprises a work platform (3) intended to be fixed to the first drive component (28) of the climbing drive (18), and a climbing shoe (16) intended to be fixed to the second drive component (27) of the climbing drive (18). The climbing shoe (16) is designed to be fixed to the first anchoring shoe (17). The invention further relates to a method for moving such a climbing system.

The invention relates to a large deep foundation pit rotating trestle and a construction method, the large deep foundation pit rotating trestle comprises a trestle body and a supporting body, the supporting body and the trestle body are integrated, the supporting body is arranged below the trestle body, and the trestle body is divided into a straight section, a rotating slope section and a soil slope ramp; the straight sections are arranged on the edge of the top of the foundation pit, between the two rotating slope sections and at the tail ends of the rotating slope sections respectively, the rotating slope sections are arranged between the two straight sections, the tail end of the last straight section is provided with a soil slope ramp, and the soil slope ramp is directly communicated with the bottom of the large deep foundation pit. The trestle has the beneficial effects that the trestle occupies a small area of the deep foundation pit, bottom construction of the deep foundation pit is not affected, the construction difficulty of the deep foundation pit is reduced, the construction efficiency is high, the bearing capacity is high, the construction transportation capacity of the deep foundation pit is improved, the transportation efficiency is improved, and the construction progress of the deep foundation pit is accelerated.

The present invention discloses a highly integrated intelligent construction platform for use in the construction of a building's main structure. The platform comprises a Bailey frame and supporting columns. A cantilever support frame is connected below the supporting columns, which is connected to a support guide rail and a lifting mechanism. One end of the Bailey frame extends out of the building's main structure and is connected to a trolley crane. A material distributing machine, a top scaffolding board, a mobile house, a canopy, and a sprinkler system are integrated above the Bailey frame. A lifting material distributing platform is provided below the trolley crane. A construction elevator is provided on the side of the Bailey frame near the mobile house. The support guide rail and the lifting material distributing platform are both connected to a plurality of wall guide seats. A connecting frame is connected between a plurality of supporting columns on the same side. A plurality of groove-shaped structural members are provided on the side of the Bailey frame. The beneficial effects of the present invention are: achieving multi-functional high integration, greatly improving the working efficiency of the intelligent construction platform, reducing manual labor and the need for other external equipment, and achieving cost reduction and efficiency improvement; and convenient lifting and high safety.

The invention discloses a construction method for supporting and reinforcing an ingestion slope formwork of a special-shaped concrete trough, and relates to the technical field of constructional engineering. The method comprises the following steps: 1, construction preparation; 2, surveying and setting out; 3, binding reinforcing steel bars of the feeding trough; step 4, pre-assembling and checking the template; fifthly, the wood formwork is installed; sixthly, a hanging ring expansion bolt is installed; seventhly, the formwork is supported and reinforced; 8, checking before concrete pouring; ninthly, concrete pouring is conducted; tenthly, the formwork is dismantled; eleventhly, lifting ring expansion screws are dismantled, and bolt holes are plugged; 12, concrete curing; according to the construction method, the feeding trough is divided into sections and constructed in a segmented mode, a DN15 PVC sleeve is pre-buried at the bottom of the trough face in advance, and concrete at the trough bottom is poured in advance, so that the pulling supporting force and stability of a trough wall formwork are enhanced, and the risks of formwork expansion, grout leakage, displacement, deformation and the like in the pouring process of the slope bottom formwork are effectively prevented.

The invention discloses an adjustable back arris arc formwork structure which comprises a formwork assembly and a hoisting mechanism, the hoisting mechanism is connected with a winch on an operation beam of a tower building machine, the formwork assembly comprises a plurality of flexible plates and a plurality of supporting plates, positioning plates are fixed to the two ends of each supporting plate, and splicing assemblies are arranged on the positioning plates; a flexible plate is connected between every two adjacent supporting plates through an assembling assembly, the flexible plates are elastic, and the front end faces of the flexible plates and the front end faces of the supporting plates jointly form a continuous smooth working face. The rear end face of the supporting plate is connected with a reinforcing back ridge, the middle of the rear end face of the flexible plate is provided with a plurality of connecting blocks, and the reinforcing back ridge is provided with a plurality of adjustable back ridge assemblies. The curvature of the arc formwork can be accurately controlled in the construction process of the tower building machine, and a high-reliability solution is provided for curved surface concrete pouring.

The invention relates to the technical field of bridge engineering, in particular to a bottom formwork dismounting method for superaltitude cable bent tower lower cross beam support-free method construction. Comprising the following steps that S1, an existing lower cross beam serves as a disassembling tool supporting system, a plurality of stand columns are arranged on the top of the lower cross beam, distribution beams are erected among the stand columns in the bridge direction, and a sliding type hanging frame system is erected on the distribution beams; s2, a polytetrafluoroethylene sliding plate and a limiting device are arranged between a sliding beam and a distribution beam of the sliding type hanging frame system; s3, longitudinal beams are laid on the tops of the lower cross beams, upper cross beams are transversely erected at the two ends of the longitudinal beams, and winches are arranged; s4, the bottom formwork is segmented through a sliding type hanging frame system; and S5, after the bottom formwork is removed, the overlapped sliding type hanging frame system, the distribution beams and the stand columns are removed, and the original appearance of the top structure of the lower cross beam is recovered. The cyclic operation of positioning, cutting and shifting of the superaltitude lower cross beam support-free method bottom formwork is achieved through the traction sliding type hanging frame system, operation is convenient and fast, and stability and safety are high.

The invention discloses a UHPC-based steel bar truss floor node structure and a using method, and belongs to the technical field of building structures. The UHPC-based steel bar truss floor node structure comprises a steel bar truss prefabricated floor, a shear wall body and a supporting device; the steel bar truss prefabricated floor slab is fixed to the upper portion of the supporting device, one end of the steel bar truss prefabricated floor slab is UHPC, and the other end of the steel bar truss prefabricated floor slab is a common concrete cast-in-place layer. The steel bar truss prefabricated floor slab comprises prefabricated layer concrete, lower steel bars are arranged on the upper portion of the prefabricated layer concrete, upper steel bars are arranged on the upper portions of the lower steel bars, and a plurality of truss diagonal web bars are arranged between the upper steel bars and the lower steel bars at intervals. The fabricated steel bar truss floor can solve the problem that a wet joint for connecting a steel bar truss floor and a wall is too long, is suitable for the construction logic of a nuclear power station open-top method, and can improve the mounting precision of large-diameter steel bars, embedded parts and penetrating parts by adopting the fabricated steel bar truss floor.

The invention relates to a reinforcement construction method for a reinforced concrete column by adopting an FRP material, and belongs to the technical field of construction of water supply and drainage engineering in the fields of civil construction, bridge engineering, ancient buildings and water conservancy projects. When a reinforced concrete column is reinforced by adopting an FRP sleeve method, at present, FRP cloth is wound and pasted in multiple layers, or the FRP cloth is spliced, and clamps and the like are used as connecting devices at vertical joints. After a long time, the adhesive loses efficacy along with the aging of the adhesive, and then the adhesive falls off; the connecting device of the FRP sleeve transforms the linear load along the seam in the FRP sleeve into a plurality of concentrated loads, and the connecting device can also be corroded to lose efficacy. A self-made FRP strip is adopted, an FRP woven mesh is woven on site and coated with a matrix medium to form an FRP sleeve, and ultra-high performance concrete is poured on the inner side of the sleeve. The FRP sleeve manufactured according to the scheme is integrated, higher bearing capacity can be provided, workers with special skills are not needed, and cost is saved.

The invention discloses an outer containment dome steel mold hoisting structure and method, and belongs to the technical field of civil construction. The hoisting structure comprises a plurality of lifting lugs, a lifting hook, a plurality of steel wire ropes, a plurality of guide assemblies, a plurality of annular limiting assemblies and a plurality of radial limiting parts; the plurality of lifting lugs are fixed on the outer side of the dome steel mould of the outer containment; the lifting hook is connected with the plurality of lifting lugs through a plurality of steel wire ropes to lift the dome steel mould of the outer containment; the guide assembly comprises a guide column and a plurality of pairs of guide limiting pieces; the guide column is vertically fixed at the top of the outer containment; the guide limiting pieces are fixed to the outer side of the outer containment dome steel mold, the multiple pairs of guide limiting pieces are vertically distributed, and each pair of guide limiting pieces is arranged on the two sides of the corresponding position of the guide column; the annular limiting assembly comprises a shell annular limiting piece and a steel mold annular limiting piece. The radial limiting piece is fixed to the top of the outer containment and located on the outer side of the in-place position of the dome steel mold of the outer containment. The method has the advantages of high efficiency, project progress optimization, stable and reliable working quality and the like.

The utility model discloses an auxiliary support of a building template, which comprises a placing plate, the top of the placing plate is provided with a clamping plate, the outer wall of the clamping plate is fixedly connected with a bending plate, and the bottom of the bending plate is fixedly connected with an inserting block. The utility model relates to the technical field of auxiliary supports of building templates, through the cooperation of a servo motor, a bidirectional screw rod and a sleeve, the servo motor is used for driving the bidirectional screw rod to rotate, the sleeve is meshed with the bidirectional screw rod, the sleeve is driven to move when the bidirectional screw rod rotates, the sleeve enables a connecting rod to move when moving, a placing plate is jacked up, and the placing plate is placed on the support. And when the connecting rod moves, a sliding block at one end of the connecting rod can slide on the outer wall of a limiting column, so that the connecting rod is more stable during movement, and the problems that in the prior art, when the template is used, the template is inconvenient to adjust to a proper height for use, and the working efficiency is reduced due to the fact that the template needs to be repeatedly stooped for operation when being carried to the bracket are solved.

The present invention relates to the field of building construction, and in particular to a method for installing square tubes of a double-helix rising double-twisted cantilever steel structure on a facade. A detailed design is first performed. The construction method can effectively connect and fix the cantilever steel main beam to the main structure cylinder by welding through the arc-shaped embedded parts, thereby facilitating the subsequent welding and fixing of the cantilever steel side beam and the cantilever main beam. In addition, the hand chain hoist and the automobile crane lifting method are provided, so that the construction process of the cantilever steel structure on the facade is innovatively adopted in the process of concrete main structure construction. The construction method of synchronous interlacing and coordinated lifting and installation solves the problem that the facade scaffolding and cantilever floor support frame affect the lifting and installation of the cantilever steel structure components on the facade of the high-rise building during the civil construction process. While improving the processing quality of the double-helix rising double-twisted cantilever steel structure on the facade, the construction period of the lifting and installation of the facade steel structure is greatly shortened, and the economic benefits are remarkable.

The invention discloses a building construction template waste clearing device, and relates to the technical field of building template clearing, the building construction template waste clearing device comprises a base, a workbench and a shell, the top of the workbench is provided with two conveyors, the top of the shell is provided with a dust collection module, and the bottom of the workbench is provided with a collection groove; the top of the workbench is fixedly connected with two symmetrically-arranged first supporting plates. According to the building construction formwork waste removing device, before removing, a formwork can be heated, the removing efficiency and effect can be improved, after removing, defects such as pits in the surface of the formwork can be automatically glued and repaired, meanwhile, glue is heated and dried, the removing effect can be improved, and therefore the subsequent using effect is guaranteed, and the building construction formwork waste removing device is suitable for popularization and application. And moreover, the gluing length and the drying length can be automatically adjusted according to the size of the template, use is more convenient and faster, and meanwhile waste is avoided.

The present invention discloses a construction method of an L-shaped rotatable assembled fixed-shaped structural column formwork, and relates to the field of engineering construction. The construction method of the L-shaped rotatable assembled fixed-shaped structural column formwork comprises the following steps: step one, wall laying-out and positioning; step two, structural column rebar planting and steel bar binding; step three, block laying; step four, structural column aluminum formwork installation; step five, concrete pouring; step six, structural column aluminum formwork removal; step seven, finished concrete maintenance. The construction method of the L-shaped rotatable assembled fixed-shaped structural column formwork, after the structural column is poured, can dismantle the positive angle aluminum formwork and the negative angle aluminum formwork, so that the L-shaped rotatable assembled fixed-shaped structural column formwork can be rotatably utilized multiple times, avoiding material waste during conventional wooden formwork construction, ensuring the overall performance of the formwork installation, and improving the visual effect of the finished product. It can both speed up the construction progress and ensure the quality of the project.

The invention relates to the technical field of building template treatment, in particular to a building aluminum template cleaning and recycling device. Comprising two limiting guide rails, two sets of driving assemblies, two sets of swing arms, a cleaning and scraping piece and a spraying and sweeping piece. The two limiting guide rails are oppositely arranged and are fixed on the fixed seat; the two driving assemblies are installed on the two limiting guide rails correspondingly, and each driving assembly comprises a plurality of driving assemblies distributed in the length direction of the limiting guide rails at intervals. One ends of the two sets of swing arms are rotationally installed on the two side faces of the fixing base respectively, the other ends of the two sets of swing arms are bent to the position between the two limiting guide rails, and each set of swing arms comprises a plurality of swing arms distributed at intervals in the direction of the limiting guide rails; the two ends of the scraping piece are installed at the ends, away from the fixing base, of the two swing arms on the outermost edges of the two ends of the fixing base correspondingly and used for scraping the surface of the aluminum formwork. The two ends of the spraying and sweeping piece are installed at the ends, away from the fixing base, of the two swing arms except the outermost edge at the two ends of the fixing base correspondingly and used for spraying and sweeping the surface of the aluminum formwork.

The invention relates to a bearing device for mounting a building construction cantilever beam. The bearing device comprises a moving seat, a swing knocking assembly, a bearing assembly and a driving assembly. Lifting columns are evenly and vertically arranged on the top of the moving seat upwards, a supporting platform is arranged on the tops of the lifting columns, a bracket is fixed to the tops of the two telescopic rods adjacent in the front-back direction so that a cantilever beam bottom die can be clamped in the bracket, a driving motor is fixed to the supporting platform, and the output end of the driving motor is in transmission connection with a reverse screw. The two sliding blocks are oppositely arranged on the reverse screw and the transverse shaft and can synchronously move oppositely or oppositely along the reverse screw. The main shaft is rotationally arranged above the sliding block; the outer end of the main shaft is fixedly sleeved with a gear, and the gear is meshed with the rack. The inner end of the main shaft is fixedly connected with an eccentric wheel on which the knocking block is mounted. Precise positioning of the bottom die can be guaranteed, full-coverage dynamic knocking can be carried out on the template before die stripping, concrete adhesion is effectively avoided, and the construction efficiency and quality are remarkably improved.

The invention particularly relates to a tower building machine template hanging mechanism for tower building, which relates to the technical field of tower building hanging and comprises a template, a mounting platform arranged on an operation beam of a tower building machine, a winch mounted on the upper side of the mounting platform and a winch steel wire rope wound on the winch, a movable plate is installed at the front end of the installation platform in an inward sliding and embedded mode, a groove is formed in the front end of the movable plate, a roller and a buffering assembly are arranged on the front side of the movable plate, and connecting long strips are arranged on the positions, located above the groove, of the four sides of the multi-direction hook piece in different directions in a hung mode. The hanging rings on the two sides or the four sides of the top of the formwork are hung outwards in a triangular shape through the movable hooks by the connecting long strips, so that multi-directional hanging is achieved, the hanging stability of the formwork is improved, the four connecting long strips can effectively guarantee that when one or two of the connecting long strips are broken, the remaining connecting long strips can continue to be hung, and the hanging efficiency of the formwork is improved. The use safety is greatly improved, and the broken connecting strip is very simple and convenient to replace and maintain in the later period.