19 results about "Climbing formwork" patented technology

This utility model relates to the technical field of jacks, and in particular to climbing formwork jacks. It utilizes the alternating movement of a first locking component and a second locking component to allow the jack to climb upwards, improving the locking reliability and ease of use. The jack includes a support platform and a lower sleeve, with the bottom of the lower sleeve connected to the top of the support platform. It also includes a locking device, a pushing device, a connecting seat, an upper sleeve, and an oil inlet pipe. The connecting seat is installed at the top of the lower sleeve, and the upper sleeve is installed at the top of the connecting seat. The oil inlet pipe is connected to the upper sleeve. A pushing device is installed inside the upper sleeve, and a locking device is installed at the bottom of the lower sleeve and the support platform. The locking device is used to position the jack, and the pushing device is used to push the locking device.

This utility model relates to the field of climbing formwork support frame technology, and discloses a climbing formwork device for building construction, including a base plate, a support frame installed on one side of the base plate, and a fence with a U-shaped structure fixedly installed on the outer edge of the top of the base plate; a drive mounting groove is opened in the middle of the upper surface of the support frame, and a slot is opened on the lower side of the support frame near the drive mounting groove. This utility model, by setting up locking blocks, protrusions, and bolts, allows for the removal of the base plate mechanism by disassembling the bolts when reloading the construction work. Due to the universal wheels, the disassembled base plate mechanism can be pushed away, and then the base plate mechanism fully loaded with construction work can be moved to one side of the support frame, where the locking blocks and slots are engaged, and the bolt assembly can be reinstalled. This allows the base plate mechanism to be put into use immediately after replacement, and the disassembled base plate mechanism can be used by ground personnel to reload construction work. This alternating loading and unloading method reduces the time spent on loading and indirectly improves construction efficiency.

This invention provides an adaptive climbing formwork system for tilting towers with variable cross-sections and its construction method. The system includes a base support, a transfer support capable of swaying left and right on the base support, multiple rotatable polygonal frames on the base support, a climbing mechanism on one side of both the base support and the transfer support, multiple locking mechanisms on the base support, a rear support on the transfer support, and a formwork support on the rear support. The overall structure can traverse concave spaces, allowing the transfer support to sway left and right and adjust its posture relative to the base support. Combined with the transition method of pre-embedded guide rails at the top of the concave space, it can smoothly traverse the concave area, completing the continuous pouring of the concave space. This overcomes the shortcomings of traditional climbing formwork systems, which cannot adapt to concave structures and cannot climb across gaps. It replaces manual high-altitude calibration and repeated hoisting and transportation; it eliminates the need for multiple sets of climbing formwork devices of different specifications to handle irregular cross-sections, reducing equipment investment, manual operation, and machine usage, saving construction costs and avoiding resource waste.

The utility model discloses a kind of variable-diameter climbing formwork systems of superhigh flume hollow pier, arc formwork and its adjusting plate piece, relate to building construction technology field, at least one pedestal is horizontally provided on the outer side of adjusting plate piece;Two sides of the adjusting plate piece are hinged with adjusting screw rod;When it is one pedestal, two adjusting screw rods are respectively located on the two sides of the pedestal, and are hinged with the pedestal;When it is several pedestals, two adjusting screw rods are respectively hinged with the pedestal close to outermost side of itself;The length of adjusting screw rod is variable;And the length of adjusting screw rod changes, to change the curvature of adjusting plate piece.Corresponding size and quantity of adjusting plate piece can be selected by the scheme, and curvature is changed, can be adapted to hollow pier arbitrary variable-diameter position, to realize the mold closing pouring of hollow pier.

The application provides a construction method of a large-inclination variable cross-section super-high cable tower lower tower column, comprising the following steps: S1, a climbing formwork process is used to construct a transition section and a vertical section of the lower tower column of the cable tower; wherein the cable tower comprises the lower tower column, the lower tower column comprises the transition section, the vertical section, a small-inclination section and a large-inclination section from bottom to top; S2, a steel turnover formwork + climbing formwork combined process is used to construct the small-inclination section of the lower tower column; and S3, a steel turnover formwork + hanging frame + climbing formwork combined process is used to construct the large-inclination section of the lower tower column. Different construction processes are used for different positions of the lower tower column, the turnover use of the formwork can be increased as much as possible while the linear type of the tower column is ensured, the construction cost is reduced, and the construction efficiency is improved.

The application discloses a variable support structure rest attitude intelligent regulation and control method of a climbing formwork, and belongs to the field of climbing formwork attitude regulation and control. The method is aimed at the problem of insufficient rest positioning accuracy of the variable support structure, realizes automatic early warning when the gap value of each bearing pin and pre-buried groove is greater than the maximum initial rest gap deviation threshold value of the bearing pin through real-time monitoring of the gap value, effectively prevents formwork tilting or structure instability, realizes automatic amplitude limiting and reasonable compensation of the gap value according to the maximum deviation threshold value allowed by each bearing pin, ensures that the gap value of a single bearing pin meets the leveling control deviation requirement, and ensures that the rest support points of the whole climbing formwork jointly meet the overall flatness control threshold value on the premise of meeting the bearing pin leveling control deviation, realizes high-precision positioning and overall flatness control of the climbing formwork in the rest stage, and improves construction safety and precision.

The utility model discloses a kind of load-bearing frame and hydraulic climbing formwork system, the load-bearing frame includes base plate, base frame, rear shift module and additional module;Two and interval, parallel arrangement are equipped with in base plate, the interval between two base plates is equal to the interval in climbing cone to middle;Two and are respectively buckled on one of base plate in base frame, the interval in two base frames to middle is equal to the interval in climbing cone to middle;The connection between two base plates is perpendicular to the axis of base plate, the diagonal error of base plate and base frame is all not more than 2mm;Rear shift module and additional module are all installed on base frame. The hydraulic climbing formwork system includes the load-bearing frame. The load-bearing frame frame body wing risk reduction, load-carrying capacity promotion, the strengthening of structure and the promotion of stability are realized, so that the use safety of the load-bearing frame is better. The rigidity of the load-bearing frame is improved, the turnover efficiency of material is higher, partial buckling and deformation accumulation are avoided, and construction efficiency and construction quality are effectively optimized.

The utility model relates to high pier bridge hydraulic pressure creeping formwork technical field, concretely disclose a kind of high pier bridge hydraulic pressure creeping formwork's wear mechanism, including body, body is connected in wall side wall, the platform connecting plate is attached to the both sides of body, the both sides of body are provided with communicating opening, the inside of body is provided with abutting column, the inside of body is connected with deflection block, the one end of deflection block is provided with hinged shaft, the end of deflection block away from hinged shaft protrudes in the opening of communicating opening, the top of deflection block is provided with limit component, limit component is compressed to contract deformation. When the platform is climbed by platform connecting plate, the deflection of deflection block is turned by the force of deflection block, then elastic reset is placed from the limit of platform connecting plate, and the connection of bolt does not need to be carried out artificially.

This invention relates to the field of super high-rise core tube construction technology, specifically to a core tube tower crane lower platform combined climbing construction device and process, including a core tube and a tower crane. The tower crane is located inside the core tube, and a lower platform is set at the bottom of the tower crane. A three-layer support structure is set around the tower crane, and climbing formwork mechanisms are set on both sides of the tower crane. The climbing formwork mechanisms are connected to the inner wall of the core tube, and a core tube steel frame is set on one side of the climbing formwork mechanism. The core tube steel frame is fixedly connected to the inner wall of the core tube. A docking mechanism and a reinforcing mechanism are set on the inner side of the support structure. This invention, by setting up a three-layer support structure consisting of a main beam, a support beam, a docking mechanism, and a reinforcing mechanism, and utilizing the hinged structure of the main beam and the connecting beam in the support structure, combined with the fixing mechanism of hooks and ear plates, realizes the rapid folding and storage of the support structure after dismantling at the lower level, which is convenient for hoisting to the upper level.

This invention relates to the field of protective device technology, specifically to a chimney fall-prevention climbing formwork platform device. It includes a supporting cylindrical rod vertically embedded in a concrete foundation. A horizontal platform is mounted on the supporting cylindrical rod via a through-hole jack, moving vertically upwards and downwards. The device also includes a fall-prevention component, comprising an active clamping assembly fixedly installed at the bottom of the horizontal platform and fitted onto the supporting cylindrical rod, and at least one electrically operated clamp installed below the active clamping assembly for clamping the supporting cylindrical rod. This device features a mechanical active clamping assembly, capable of instantly clamping the supporting cylindrical rod using its own weight. This solves the safety defect of existing chimney climbing formwork platforms that rely solely on hydraulic mechanisms for support and lack an independent mechanical fall-prevention structure, significantly improving the fall-prevention reliability throughout the climbing and hovering process. This invention employs a dual fall-prevention structure combining mechanical braking and secondary locking via an electrically operated clamp, coupled with a circuit breaker-linked alarm, providing rapid response, secure locking, and all-weather safety protection.

This invention discloses an intelligent control system and climbing method for hydraulic climbing formwork, relating to the field of hydraulic climbing technology for curved bridge tower concrete structures. It includes a BIM model, a vertical movement control module for the formwork, a horizontal control module for the formwork, and a hydraulic servo system. The BIM model is used to query the coordinates of key points on the main tower segment to be climbed, and simultaneously configures preset joint variables during formwork movement to drive automatic climbing. The vertical control module monitors whether the joint variable movement status meets preset requirements during formwork movement, and adjusts the joint variable parameters according to the actual status of the "formwork status monitoring" module to ensure the vertical movement and positioning of the formwork. This intelligent hydraulic climbing formwork control system establishes a main tower formwork angle control function based on design drawings, and establishes a function with height as the independent variable for each adjustable arc formwork and rearward movement device, outputting the adjustment amount of each adjustment system to achieve automatic matching of the formwork shape and high structural construction accuracy.

This invention discloses a construction method for a cable-stayed bridge based on the climbing formwork method and the cantilever casting method using a support formwork, belonging to the field of cable-stayed bridge construction technology. The specific steps include: S1: main tower foundation construction; S2: climbing formwork support installation; S3: top formwork installation; S4: main tower construction using the climbing formwork method; S5: top formwork casting; S6: main beam construction using the cantilever casting method. By connecting the top formwork to the climbing formwork support, the climbing formwork support can move the top formwork to a predetermined height during climbing, thus facilitating the casting operation of the top formwork. Therefore, when supporting the top formwork, the support operation can be completed at a lower level, and then moved to the design height by the climbing formwork support. Because the support construction height is low, it is convenient to hoist and install the formwork, which can speed up the construction progress.

This utility model discloses a double-cylinder climbing formwork jack, belonging to the field of building construction technology. It includes a climbing rod and a climbing formwork mechanism. The outer surface of the climbing rod is threaded with two supporting sleeves. The climbing formwork mechanism includes two support seats, each of which is movably fitted onto the outer surface of the climbing rod. A steel formwork frame is fixedly connected to the top of each support seat. Two hydraulic cylinders are connected between the outer walls of the two steel formwork frames. A climbing formwork drive assembly is installed on the outer wall of each support seat. The climbing rod and supporting sleeves facilitate the limiting of the climbing formwork mechanism. The supporting sleeves and support seats cooperate to facilitate the positioning of the steel formwork frame. The hydraulic cylinders facilitate the upward movement of the upper steel formwork frame on the climbing rod. After movement, the climbing formwork drive assembly facilitates the movement of the upper supporting sleeves to position the upper support seat and steel formwork frame. The retraction of the hydraulic cylinders facilitates the upward movement of the lower steel formwork frame, realizing the climbing formwork operation. The climbing formwork drive assembly improves the usage efficiency.

This invention belongs to the field of building construction formwork technology and discloses a climbing formwork device suitable for curved bridge piers. It includes a formwork assembly composed of a template, stiffening plates, connecting plates, and positioning plates, and also includes a support assembly. The support includes embedded rods with both ends extending into pre-embedded holes in the template, connecting rods inserted into connecting grooves at both ends of the embedded rods, and pull rods sleeved on the connecting rods. A sealing block made of elastic material is provided at the contact portion between the embedded rod and the template. A locking rod is slidably connected inside the connecting rod, and a locking block is provided on the locking rod. A pressing rod is slidably connected inside the locking rod. An anti-detachment structure is provided between the pull rod and the connecting rod. A fastening nut is connected to the other end of the pull rod. This invention uses the embedded rod and the rubber sealing block to form stable support for the inner wall of the template. Rotating the fastening nut pulls the pull rod, which in turn pulls the embedded rod through the connecting rod to push the template inward, ensuring the forming quality of the curved pier.

This invention discloses an intelligent monitoring method and system for the working status of a building climbing formwork based on the Internet of Things (IoT), belonging to the field of building structural health monitoring technology. The method includes extracting corresponding rows and columns from an initial correlation matrix to obtain a reconstructed covariance matrix, extracting the main diagonal elements of the inverse matrix, constructing a diagonal matrix, calculating the Hadamard product of the reconstructed covariance matrix and the diagonal matrix, and extracting the main diagonal elements of the matrix to form an effective independence vector, thereby monitoring the working status of the building climbing formwork. This invention improves the extraction capability of low-frequency vibration modes and enhances the sensitivity to minute structural changes through empirical mode decomposition (EMD) technology and weighted fusion of dominant mode signals. Furthermore, it enhances the collaborative working capability between different sensor signals through phase difference calculation based on instantaneous phase analysis and energy weighted correction.

The utility model discloses a kind of applied to the hydraulic climbing formwork structure of variable cross-section hollow thin-walled high pier, climbing formwork frame structure, including climbing formwork frame and support bracket, the support bracket is anchored on pier body concrete, the climbing formwork frame includes crossbeam, the both ends of the crossbeam are equipped with vertical rod, hydraulic jack is installed in the vertical rod inside lower end, and the bottom of hydraulic jack is installed on support bracket, the middle part of crossbeam is equipped with derrick, the side surface lower end of derrick is equipped with two parallelly arranged adjusting I-beams, the both ends of adjusting I-beam are connected with the inner formwork of formwork frame. The utility model structure is based on applicable to the inside and outside form synchronous lifting type climbing formwork structure of variable cross-section hollow thin-walled high pier, the method for realizing the variable cross-section of climbing formwork structure is simplified, while realizing the inside and outside formwork synchronous lifting of climbing formwork structure, the climbing of climbing formwork structure is optimized, so that climbing formwork structure does not need to set guide rail and other components, reduce the embedded part on pier body.

The application relates to the field of building construction equipment, in particular to an outer climbing frame for a landscape floor and a construction method. The outer climbing frame comprises a stand column and a pull rod; the stand column is fixed at the edge of a next floor of a retracted floor, and an attachment point is arranged on the stand column; one end of the pull rod is connected to the stand column, and the other end is fixed to the retracted floor; the stand column and the retracted floor are rigidly connected through the pull rod. Although the existing fixing mode of the outer climbing frame can achieve a stable effect, the outer climbing frame is limited by the height of the floor, and great difficulties exist in construction. The outer climbing frame provided by the application occupies a short space in the structure, and the floor bottom plate is used as a fixing surface in the installation process, so that the outer climbing frame is safer and more convenient in the moving and setting process, and the construction is simpler.

The application relates to the technical field of bridge construction, in particular to a high-pier construction hydraulic self-lifting climbing formwork for bridge construction, which comprises a climbing frame, a hoisting structure is arranged on the climbing frame, and an adjusting structure is arranged on the hoisting structure; the high-pier construction hydraulic self-lifting climbing formwork for bridge construction is movable on a pier through the arranged climbing frame, and is convenient for formwork turning construction; through the hoisting structure, a winding drum can drive a steel wire rope to move to hoist a heavy object, a guide wheel can drive the steel wire rope to reciprocatingly move and be stored on the winding drum, accumulation is prevented, the heavy object can be hoisted better, the safety is improved, and investment is less.

The application relates to a rapid starting construction method for super-high building ground structures, which comprises the following steps: firstly, after the zero elevation of the first floor ground is determined, the outer frame and the core tube are simultaneously constructed; when the outer frame and the core tube are simultaneously constructed to the third floor, a pre-pouring platform is poured outside the core tube; after the pouring is completed, the core tube is continuously constructed, and the floor slab of the third floor of the outer frame is poured; after the core tube is constructed to the fifth floor, the vertical structure of the core tube is constructed; finally, after the core tube and the outer frame are separated by a certain number of layers, the horizontal structure of the outer frame and the horizontal structure of the core tube are constructed. According to the principle that the core tube is constructed first, the steel structure frame is constructed second, and the horizontal structure is constructed last, the problem of rapid starting construction of the ground structure is effectively solved, the rapid starting of the core tube is realized, the installation of the climbing formwork frame is realized in advance, the construction period is shortened compared with the traditional construction method, and the phenomenon of the outer frame being idle is reduced to a certain extent.