1438results about "Building support scaffolds" patented technology

An expandable multifunctional integrated-construction skyscraper building platform and a construction method using the same are provided. The expandable multifunctional integrated- construction skyscraper building platform includes: a building foundation part, including an underground level, a basement level and a ground level which form a main body; an external frame part, a bottom of the external frame part being fixed deep into the underground level, and a top of the external frame part running through the basement level and the ground level to reach upper air such that lifting platform parts arranged on the external frame part are capable of going up from the underground level for construction; a transportation elevator part and a three-layer enclosure part, mounted on the building foundation part; a top transfer part, mounted on a Chinese character “Ri” frame at a top of the external frame part; and a carrying tower.

The invention discloses a modular instrumentalization attached scaffold which comprises a building wall body, scaffold mechanisms are installed on the outer vertical faces of the building wall body, each scaffold mechanism comprises I-shaped steel, a vertical rod A, a vertical rod B and triangular supports, and suspension frames are installed between the two vertically-arranged I-shaped steel and the two adjacent triangular supports. The invention relates to the technical field of scaffolds. According to the modular instrumentalization attached scaffold and the construction technology, the scaffold components can serve as a platform for construction operation of all stages of an outer wall and play a protection role with a steel plate net horizontally arranged on the outer vertical face of a building wall, meanwhile, profile steel used for supporting does not need to penetrate through the wall, damage to the building wall is small, the leakage risk is reduced, and the construction efficiency is improved. The arranged suspension frame is used for smoothly connecting the two sets of scaffolds at the wall corner position, a lap joint mode is not adopted for connection, and the situation that the two sets of scaffolds are in staggered lap joint, and a walkway platform annularly installed on the outer vertical face of a building wall is uneven is prevented.

Described herein is a support element that may be a cantilever arm and a support structure being formed from multiple support elements for example to form a platform. Methods of assembly and use are also described. In one aspect, a support element is described with an elongated shape, a distal end and a coupling end and a cantilever form, where the coupling end of the support element is configured to couple with a structural member, the support element further configured to rotate once coupled from an inclined or declined position to a substantially horizontal plane, the support element once rotated to a substantially horizontal plane, extending generally orthogonally away from the structural member to a termination point about the distal end of the support element.

The utility model discloses a steel platform system suitable for a super high-rise high-altitude large-span cantilever structure formwork. The system comprises a steel platform body, a plurality of pull rods and a plurality of supporting rods. The steel platform body comprises a plurality of cantilever steel beams which are uniformly distributed in rows and a plurality of connecting rods; every two adjacent cantilever steel beams are fixedly connected through at least two connecting rods. Each cantilever steel beam comprises a steel beam main body section, a slope section and a fixed section which are integrally connected in sequence; the steel beam main body section and the fixed section are horizontal sections, and the slope section inclines downwards by a preset angle relative to the steel beam main body section; the end, away from the slope section, of each fixed section can be fixed to a building wall. The lower ends of the pull rods are hinged to the upper surface of the steel beam main body section, and the upper ends can be fixed to a building wall; the upper ends of the supporting rods are hinged to the lower surface of the steel beam body section, and the lower ends can be fixed to a building wall. According to the system, the reliability of the steel platform system is improved, convenient disassembly and assembly can be achieved, the construction efficiency is improved, and the construction safety is effectively guaranteed.

The invention discloses an anti-skid derrick rotating platform which comprises an annular derrick mechanism composed of a large-arc-section rack and a small-arc-section rack, one end of the annular derrick mechanism is hinged through a first hinge pin, and the other end of the annular derrick mechanism is closed and locked through a hand twisting handle; the holding pole locking mechanism comprises a push plate fixing seat, and the push plate fixing seat is controlled by a locking transmission assembly to slide in the annular holding pole mechanism and drives a push plate connecting rod assembly and two clamping block connecting rod assemblies to synchronously clamp the telegraph pole located on the inner side of the annular holding pole mechanism; and the pole holding rotating mechanism comprises a C-shaped rotating rack, a front arc-shaped rotating rack, a jacking limiting device and a rotating transmission device, the C-shaped rotating rack annularly slides through a sliding limiting device, and limiting clamping and rotating operation is conducted on the telegraph pole through the jacking limiting device and the rotating transmission device. The device is compact in structure, capable of achieving anti-skid self-adaptive holding and 360-degree rotation with the telegraph pole, easy to operate, high in efficiency, wide in operation range, good in anti-skid performance and high in stability.

The invention discloses a high-altitude jig-frame-free construction method for a daylighting roof of a string folded plate structure, which comprises the following steps of: transversely erecting a box-shaped support beam between building main body structural beams below the middle part of the span of the daylighting roof, and arranging a plurality of cushion blocks on the box-shaped support beam corresponding to a main beam of a daylighting roof steel structure, therefore, an aerial supporting platform used for supporting the middle area of the main beam is formed. The box type supporting beams are transversely erected below the middle of the span of the daylighting roof and between the building main body structural beams, the cushion blocks are arranged to form an aerial supporting platform, a traditional floor jig frame erected from the ground is replaced, and the problem that a floor support cannot be erected under the condition that the space below the daylighting roof is suspended or the daylighting roof is put into use is solved; meanwhile, interference to other procedures in the lower space is avoided; high-altitude in-situ scattered splicing is carried out by taking a main beam supported by an aerial supporting platform as a support, so that a string-folded plate system has enough temporary rigidity and a stable initial configuration before a stay cable is tensioned.

The utility model relates to a connecting device for supporting a high-altitude overhanging structure, which comprises an overhanging supporting column and a supporting overhanging beam, an embedded supporting frame is embedded in the overhanging supporting column, and a rotating supporting seat fixedly connected with the embedded supporting frame in the overhanging supporting column is arranged on the front side face of the overhanging supporting column; the front side face of the overhanging supporting column is further provided with a vertically-extending mounting groove, and the mounting groove is located on the lower side of the rotating supporting base. The connecting device for supporting the high-altitude overhanging structure is stable in structure and high in safety. The utility model has the advantages that the embedded support frame is pre-embedded in the cantilever support column, the rotary support seat is fixed on the embedded support frame, the rotary support seat is connected with the outer end of the support cantilever beam through the support rod in a pulling way, and the inner end of the support cantilever beam is pressed against the outer wall of the cantilever support column, so that a stable triangular structure can be formed; the connecting strength of the supporting cantilever beam is improved, the stress area is increased, and the situation of deformation or fracture is prevented.

The invention discloses an up-and-down suspension cage for bridge construction, and relates to the technical field of bridge construction, the up-and-down suspension cage comprises a stacked frame type cage frame unit, the cage frame unit is composed of an upper frame and a lower base which can be vertically folded in parallel, the upper frame is provided with a suspension ring used for carrying a suspension cable in a penetrating mode, and the lower base is used for carrying operators and tools; the broken rope sensing unit is arranged below the hanging ring and used for detecting the abnormal state of the hanging cable; the anti-falling embracing unit is arranged below the lower base, and a ring rope of the anti-falling embracing unit surrounds the pier or the stand column; the power supply control unit is electrically connected with the sensing and executing unit, when the suspension cable is broken, the loop rope is controlled to be tightened towards the lower base, slow descending and emergency suspension of the suspension cage are achieved by applying force to a pier or a stand column, and high-altitude falling is avoided; the suspension cage is simple in structure, flexible in arrangement and high in adaptability, and the safety and the emergency response capability of bridge aerial work are improved; the technical problems that an existing bridge construction suspension cage lacks an emergency safety mechanism, and is insufficient in safety redundancy and operation stability are solved.

The application relates to the technical field of building construction, in particular to a building curtain wall mounting device which comprises a horizontally arranged bearing plate, one side wall of the bearing plate is rotationally provided with two rotating columns through hinged seats and hinged columns, the two rotating columns are always parallel to each other in the length direction, the two hinged seat side walls are respectively fixedly connected with the two ends of the bearing plate side wall, a circular hole is formed in the end face of the hinged seat and communicates with the two end faces, the hinged column is matched with the circular hole and rotationally arranged in the circular hole, the two rotating columns are both located between the two hinged seats, the side wall ends of the two rotating columns which are away from each other are respectively fixedly connected with the opposite end faces of the two hinged columns, the opposite side walls of the two rotating columns are both provided with limiting plates, the side wall of the limiting plate is fixedly connected with the side wall of the rotating column, the limiting plate is away from the bearing plate, and the opposite side walls of the two limiting plates and the two rotating columns form a containing groove for placing the curtain wall, so that the curtain wall can be installed at multiple angles.

The utility model discloses a double-layer protection platform applied to construction of an inner cavity of a main tower, which is composed of an upper-layer protection platform and a lower-layer protection platform, and the upper-layer protection platform is composed of M24 climbing cones, customized brackets, I-14 cross beams and riffled plates; the lower-layer protection platform is composed of lifting ropes and a steel wire protection net. When different sections of the main tower are circularly constructed, the upper-layer protection platform can be modularly disassembled and installed in place through all parts, and then the lower-layer protection platform is lifted and installed in place in a lifting rope lifting mode. Through the mode that the upper-layer protection platform and the lower-layer protection platform composed of the upper-layer protection platform and the lower-layer protection platform are sequentially and circularly installed or lifted, the protection platform always exists in an inner cavity of the main tower during the construction period of each section of the main tower. The main tower inner cavity safety protection device has the advantages of being simple in structure, high in applicability, stable, firm, high in overall strength, good in safety protection effect and high in standardization degree, and can be suitable for main tower inner cavities of various structural sizes.

The utility model relates to the field of construction safety, concretely relates to a kind of for safety belt collocation multi-point adsorption type safety fixing device, including main frame, sucking disc, pressure outlet, pressure ware, power, connecting buckle, connecting rope, hook, alarm, the sucking disc evenly distributes in the bottom of the main frame, the pressure outlet is set in the side of one vertex of the main frame, the connecting buckle is set in the front of the main frame, the connecting rope connects the connecting buckle and hook, the pressure ware is set in the main frame and is connected with the sucking disc, the power is electrically connected with the alarm, pressure ware, after sucking disc and adsorption operating surface contact, the pressure ware empties the gas in the sucking disc by the pressure outlet. The adsorption, illuminating property, convenience, safety of the device provide better security guarantee for the safety of worker in construction site, more convenient in construction process, improve the safety index of construction site.

The utility model discloses a kind of unweighted hanging basket suspension devices, including movable trolley, the trolley front end is equipped with horizontal frame, and the horizontal frame is connected with inclined frame between trolley upper side, the trolley is equipped with winch, and is wound with steel wire rope;The upper side of trolley also has bracing device, horizontal frame is equipped with guide wheel, for winding steel wire rope, and the free end of steel wire rope is fixed with hanging basket;Horizontal frame is provided with the drive device of driving guide wheel to move forward and backward.The unweighted hanging basket suspension device does not need to install counterweight, trolley and whole can be transported to corresponding floor by elevator, corresponding horizontal frame is stretched out through floor corresponding window, in order to improve the stability of trolley, trolley top is installed bracing device, for extruding type fixation with floor top plate, need not to be positioned and fixed on floor slab, realize portable quick movement and installation, improve flexibility and work efficiency.

The utility model relates to the technical field of building construction, in particular to a lifting operation platform with a protection function. The protective fence is arranged at the upper end of the platform; the anti-falling assemblies are symmetrically arranged in the platform, each anti-falling assembly comprises an abutting rod and two rotating rods fixedly connected with the abutting rod, and after a constructor enters the inner sides of the abutting rods and the rotating rods, the abutting rods are driven to rotate till abutting against the popliteal fossa of the human body. In order to solve the problem that in the prior art, the height of a protective fence is relatively limited, so that measures for preventing constructors from accidentally falling cannot be provided, when the constructors enter the inner side of the abutting rod, the sliding block ascends under the elastic force of the spring by driving the operation piece; the sliding block drives the rotating rod and the abutting rod to rotate through the connecting rod so that the abutting rod can abut against the popliteal fossa of the human body, additional protection measures are provided, and the risk of falling caused by the gravity center change of the human body is avoided to a great extent.

The application relates to the technical field of chimney cylinder wall construction, in particular to an operation platform and a chimney cylinder wall turnover form construction method, which comprises a center drum with a diameter of D1; a plurality of radial beams, one end of each radial beam being connected with the center drum, the plurality of radial beams being uniformly distributed along the circumferential circumference of the center drum, and one end of each radial beam being connected with a supporting steel pipe; a plurality of platform steel rings, each platform steel ring being connected with the radial beams and being arranged at the center of the center drum; a cable-stayed cable being connected between the radial beams and the center drum, one end of the cable-stayed cable being connected with the radial beams and the other end being connected with the center drum; and a plurality of platform plates, the platform plates being sequentially laid on the steel structure formed by the radial beams and the platform steel rings; wherein D1=D2 / X; D2 is the maximum diameter of the chimney cylinder wall; 20m<=D2<=32.5m; 2.375<=X<=2.714; the application has the effects of reducing the overall self-weight of the operation platform under the premise of shortening the beam length of the radial beams and guaranteeing the safe performance of the operation platform.

The utility model relates to a hanging basket suspension platform for building facade construction, which comprises a lifting device and a safety lock, and further comprises a main platform and side platforms positioned on the left side and the right side of the main platform, the left end and the right end of the main platform are respectively overlapped with the side platforms, and a standing space is formed above the main platform; the main platform is provided with a guide mechanism for guiding the side platforms to move left and right and a driving mechanism for driving the side platforms to synchronously and reversely move relative to the main platform, and the lifting devices and the safety locks are symmetrically arranged on the side platforms respectively. By adopting the scheme, the utility model provides the hanging basket suspension platform for building facade construction, which can improve the construction efficiency and the construction stability.

The utility model relates to a photovoltaic platform which comprises a first supporting rod, a second supporting rod, a beam assembly, a photovoltaic panel, a hanging assembly and a springboard. One end of the beam assembly is fixed to the first supporting rod, and the other end of the beam assembly is fixed to the second supporting rod. The photovoltaic panel is laid on the beam assembly. The hanging assembly is hung on the beam assembly. The springboard is horizontally arranged and connected with the hanging assembly. According to the photovoltaic platform, during maintenance, the hanging assembly is hung on the beam assembly at the corresponding position, maintenance personnel can stand on the hanging assembly to maintain the photovoltaic panel at the corresponding position, a special maintenance ship does not need to be adopted any more, and normalized maintenance operation on the photovoltaic panel is achieved.

The application provides a hanging basket for building construction and belongs to the technical field of building machinery. The technical scheme is as follows: the hanging basket comprises a basket body, a protection mechanism and a plurality of emergency escape mechanisms; the basket body comprises a bottom plate, a fence is arranged on the bottom plate, a hanging arm is arranged at both ends of the fence, a landing frame is arranged on the lower surface of the bottom plate, a plurality of grooves are arranged on the bottom plate, a square hole is arranged in the middle of each groove, a first sliding groove is arranged on the periphery of the square hole, a support plate is arranged in the first sliding groove, and the emergency escape mechanism is arranged on the support plate in the square hole; the side surface of the fence is provided with the protection mechanism. The application has the beneficial effects that: the hanging basket device effectively realizes protection during the construction process, and the expansion and storage of the protection plate are relatively convenient; in addition, the hanging basket is provided with the emergency escape mechanism, emergency escape is realized when the suspension mechanism fails and the hanging basket cannot move up and down, and the safety of the construction personnel is protected.

This utility model relates to the field of precast steel structure component construction technology, and particularly to a safety protection device for high-altitude operations on steel structures and a high-altitude operation device for steel structures. The device includes a base plate, which provides a support platform for construction workers. The base plate has a connecting part for detachable connection to a fastening frame on a steel structure column. The edges of the base plate are provided with protective components to prevent workpieces and construction workers from falling. These protective components surround the steel structure column and the base plate. This utility model, by setting a base plate on the steel structure column, allows construction workers to stand on the base plate for construction, thus providing support and preventing the danger of workers being suspended in the air by cranes. The protective components at the edges of the base plate can catch accidentally falling workpieces or construction workers, ensuring safety during the construction process.

The application discloses an ultra-limit space curtain wall hanging basket supporting platform and a supporting method thereof, and the supporting platform comprises a supporting frame, which is arranged at an ultra-limit space of an existing structure; a grid-shaped bearing mechanism is arranged on the top of the supporting frame, adjustable top supports are arranged at the grid nodes of the grid-shaped bearing mechanism, and the adjustable top supports are connected to the supporting frame; and at least two hanging basket suspension mechanisms are connected in parallel and at intervals on the top of the grid-shaped bearing mechanism, and are used for hanging the hanging basket.

The utility model relates to the technical field of building construction, in particular to height-adjustable hanging basket equipment which comprises a hanging device, the hanging device comprises a cross beam structure and a support structure arranged below the cross beam structure, and a height adjusting component is arranged between the support structure and the cross beam structure. The height of the beam structure on the support structure can be adjusted through a height adjusting component, the hanging basket equipment further comprises a reinforcing component, the reinforcing component is provided with a limiting hole, the height adjusting component comprises a front adjusting rod assembly, and the reinforcing component is fixed to a fixing structure of a building. The outer side of the front adjusting rod assembly is sleeved with the limiting hole, the connecting mode allows the front adjusting rod assembly to move up and down in the vertical direction in a limited mode, meanwhile, the front adjusting rod assembly is firmly connected with a building through the reinforcing component, swing or displacement caused by high-altitude wind pressure or misoperation can be effectively resisted through the design, the accident risk is reduced, and the service life of the building is prolonged. And the overall stability of the hanging basket in the using process is obviously enhanced.

The utility model relates to the technical field of collision buffering protection for constructional engineering, in particular to a collision buffering protection mechanism for constructional engineering, which comprises a hanging basket, a balancing weight, an arc-shaped baffle and a support column are arranged in the hanging basket, the balancing weight is arranged on one side of the hanging basket and fixedly connected with the hanging basket, the arc-shaped baffle is arranged on one side of the hanging basket, and the support column is fixedly connected with the arc-shaped baffle. The supporting columns are symmetrically arranged on the two sides of the hanging basket and fixedly connected with the hanging basket, and the buffering mechanism is arranged in the hanging basket and used for reducing vibration of the hanging basket. When the arc-shaped baffle collides with a building or other objects, most of force generated by the arc-shaped baffle can be converted into force in the vertical direction through the connecting rod, the sliding block and the spring, so that the shaking amplitude of the hanging basket can be effectively reduced, in addition, through the action of the damper, the deformation time of the spring is prolonged, and the service life of the hanging basket is prolonged. And the shaking frequency of the hanging basket is reduced, so that the whole hanging basket does not shake greatly, and the working environment of constructors is improved.

The utility model relates to concrete maintenance technical field discloses a kind of concrete spray maintenance equipment based on attached lifting scaffold, comprising: spray maintenance equipment main body, connecting component, angle adjusting assembly and installation adjusting assembly.The utility model is provided with connecting component and angle adjusting assembly, connecting component can provide angle adjusting assembly with spray head to realize quick fixed connection, by the angle change of angle adjusting assembly, personnel can independently control spray head in the process of spraying, the angle of its spray, so that in the process of spraying, all sprayed water resources can be covered on concrete wall surface, the maintenance effect of concrete can be improved and the phenomenon of water resource waste can be avoided.

The utility model relates to the technical field of operation platforms, in particular to a four-limb latticed column detachable turnover shaping protection operation platform which comprises a steel column, and a reserved part is installed on the surface of the steel column. The side face of the supporting frame is connected with the reserved part through a bolt; the base plates are arranged on the top surface of the supporting frame, and the base plates are connected through a connecting plate; the checkered steel plate is arranged on the top surface of the base plate, and a square tube guardrail is mounted on the top surface of the checkered steel plate; a connecting column is fixedly installed between the steel columns, and a safety crawling ladder is arranged on the outer side of the connecting column. According to the utility model, a safe high-altitude operation platform can be provided for operators, and meanwhile, the operation platform can be detachably mounted and is convenient to turn over.

The utility model provides a kind of construction platform, belong to construction platform technical field;Including roof, the bottom of the roof is detachably connected with vertical support, the side surface of vertical support is detachably connected with inclined inclined bracing frame.The utility model is provided with mounting sleeve, upper rotating seat, lower rotating seat, upper lock groove and lower lock groove, after construction platform is erected, scaffold is stably fixed in mounting sleeve, when needing to convert operation area, scaffold does not need to be removed, construction personnel only need to gently separate two triangular braces from the upper lock groove of upper rotating seat, rotate to the lower lock groove of lower rotating seat and fix, the position migration of construction platform can be easily realized, scaffold does not need to be disassembled and installed multiple times, effectively save manpower and time cost, significantly improve construction efficiency, make operation process more convenient and efficient, secondly, after triangular brace is clamped in the inside of upper lock groove, upper lock groove can also share the force borne on rotating rod, improve the firmness after construction platform installation.

The utility model belongs to the technical field of grain storage equipment, and particularly relates to a structure of a low grain surface device below a squat silo. According to the structure of the low grain surface device under the squat silo, the pulley block hook is pre-buried on the inner side of the squat silo roof right above the overhanging grain inspection observation platform in the squat silo, and the reasonable arrangement of the fixed pulley block, the windlass winch, the steel wire rope and the hanging basket is combined, so that the low grain surface device under the squat silo can not be fully filled with grains, and the low grain surface device under the squat silo is convenient to use. The safety of grain inspection personnel is ensured, the operation from the ground to the low grain surface is convenient, and the market application prospect is wide; the device is compact in overall structure, convenient to operate, stable and reliable to use, capable of being manually operated in the whole process, free of hidden danger of powder explosion, capable of guaranteeing that feet of operators do not make direct contact with grain piles, capable of completely eradicating the risk that the grain piles collapse to bury the operators, low in installation and maintenance cost and easy to popularize.

The fall protection device for roofs, in particular for the sides of pitched roofs, especially on gable ends or verges, is characterized in that the fall protection device comprises a handrail (1), a knee rail (2), a toe rail (9), a railing which includes a first post (10) and a second post (11), and, in particular, four roof hooks, wherein the fall protection device can be attached to roof battens and / or rafters and preferably to roof tiles with the roof hooks, in particular by clamping. Figure 1 is proposed as a drawing for the summary.

The invention relates to the technical field of steel structure supports, and discloses a high-altitude cantilever steel structure support and a mounting method thereof.The high-altitude cantilever steel structure support comprises a first supporting plate, a connecting plate is arranged on the upper side of the first supporting plate, a second supporting plate is rotationally connected to one side of the outer wall of the connecting plate, and a supporting mechanism is mounted on the outer wall of the first supporting plate; a quick release mechanism is mounted in the connecting plate, and a mounting mechanism is mounted in the first supporting plate; the supporting mechanism comprises a first fixing plate, and one side of the outer wall of the first fixing plate is fixedly connected to one side of the outer wall of the first supporting plate. The mounting mechanism drives the clamping arms to be linked through the adjusting bolts, so that quick, adjustable and firm connection with the building main body is realized. The design solves the technical problems that a traditional installation mode depends on the precision of embedded parts, and high-altitude operation is tedious and dangerous. Operation is easy and convenient, clamping and locking can be completed only by rotating the bolt, the installation efficiency, safety and reliability are greatly improved, and the construction period is effectively shortened.

The swing arm type anti-inclination safety lock for hanging basket construction comprises a lock box, a torsion rotating shaft is rotationally connected to an inner cavity of the lock box, a swing arm assembly is arranged on the left side of the top of the torsion rotating shaft, and the swing arm assembly comprises two swing arms; the front end and the rear end of the surface of the torsion rotating shaft both penetrate to the outer side of the lock box and are fixedly connected with swing arms, a rotatable pulley yoke is rotatably arranged on the left side between the two swing arms, and a rotatable auxiliary pulley and a rotatable main pulley are arranged on the two sides of an inner cavity of the pulley yoke correspondingly. Through cooperative use of the lock box, the torsion rotating shaft and the swing arm assembly, when the lifting steel rope breaks, the safety rope is quickly locked, and the hanging basket is prevented from inclining; and meanwhile, under cooperative use of the shoveling assembly, foreign matter on the surface of the safety rope can be shoveled, the foreign matter is effectively prevented from entering the lock box, and it is guaranteed that the lock box slides on the surface of the safety rope.

The application relates to the field of cantilevered scaffoldings, and particularly discloses an anchoring structure of an assembled laminated slab cantilevered scaffold and a construction method, wherein the anchoring structure comprises a profile steel fixedly arranged on a laminated slab and a pre-buried box pre-buried in the laminated slab, a U-shaped bolt is rotationally arranged in the pre-buried box, the profile steel is located between two screw rods of the U-shaped bolt, a lengthened bolt is detachably connected to the U-shaped bolt, one end of the lengthened bolt away from the screw rod is detachably connected to an upper pressing plate, a lower end surface of the upper pressing plate is abutted against an upper flange plate of the profile steel, and a lateral pressing mechanism is symmetrically arranged on both sides of a web plate of the profile steel and used for providing supporting force between the web plate of the profile steel and the screw rod on the same side. The U-shaped bolt is pre-buried in the laminated slab, the stability of the U-shaped bolt is improved, and the profile steel is laterally pressed by a jack, which is helpful to improve the stability of the profile steel anchoring.