Quick assembling and disassembling device for special-shaped beam formwork

Abstract

The utility model relates to the technical field of building construction, in particular to a quick special-shaped beam formwork assembling and disassembling device which comprises a steel column, a special-shaped beam main rib is welded to the outer side face of the steel column, a stirrup is arranged on the special-shaped beam main rib, a side formwork is arranged on the side face of the stirrup, the side formwork comprises a straight section side formwork, and a variable cross-section section side formwork is hinged to the straight section side formwork. A plurality of side keels are arranged on the outer side faces of the straight section side formworks and the outer side faces of the variable cross-section side formworks, and side formwork adjusting mechanisms are arranged on the outer side faces of the side keels of the straight section side formworks. A bottom template is arranged on the bottom surface of the stirrup, a bottom template adjusting mechanism and a plurality of bottom keels are arranged on the bottom surface of the bottom template, and a lifting trolley is arranged on the bottom surfaces of the plurality of bottom keels; a steel column side template is arranged on the outer side surface of the steel column; the problems that the process is complex, consumed time is long, deformation or displacement is likely to happen, and the appearance quality of concrete is affected after a beam formwork is dismantled when a traditional beam formwork installing and dismantling technology is adopted for a variable-cross-section special-shaped beam are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, in particular to a special-shaped beam formwork quick assembly and disassembly device. BACKGROUND

[0002] In the construction engineering construction, the installation and removal of beam formwork are important links of concrete structure construction. For the traditional rectangular beam, the manufacturing, installation and disassembly of its formwork are relatively simple because they usually have fixed cross-sectional dimensions. These formworks are cut according to design requirements, and then assembled and combined with the bottom formwork of columns and floors by manual operation. This traditional method has simple process and procedure, and the concrete quality of the beam after form removal is easy to guarantee.

[0003] However, when facing the special-shaped beam with variable cross section, the installation and disassembly technology of the traditional beam formwork is not satisfactory. Since the cross-sectional dimensions of the bottom formwork and side formwork of this kind of beam are not constant but gradually change, the beam formwork processing complexity increases and the assembly and disassembly difficulty increases. In addition, during the concrete pouring process, the beam formwork of the special-shaped beam is more prone to deformation or displacement, which not only affects the construction progress, but also may cause the quality of the concrete appearance on the beam surface to decrease after the beam formwork is removed. At the same time, the installation and disassembly process of the traditional beam formwork is complicated and time-consuming, which increases the construction period of the whole project.

[0004] Therefore, it is necessary to invent a special-shaped beam formwork quick assembly and disassembly device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a special-shaped beam formwork quick assembly and disassembly device to solve the problems of complicated process, long time consumption, easy deformation or displacement of the traditional beam formwork installation and disassembly technology when facing the special-shaped beam with variable cross section, and the influence of the concrete appearance quality after the beam formwork is removed.

[0006] The utility model is implemented by the following technical scheme:

[0007] A special-shaped beam formwork quick assembly and disassembly device, comprising a steel column, a special-shaped beam main reinforcement is welded to the outer side surface of the steel column, a stirrup is arranged on the special-shaped beam main reinforcement, a side formwork is arranged on the side surface of the stirrup, the side formwork comprises a straight section side formwork, the straight section side formwork is hinged with a variable cross section section side formwork, a plurality of side keels are arranged on the outer side surface of the straight section side formwork and the variable cross section section side formwork, and a side formwork adjusting mechanism is arranged on the outer side surface of the plurality of side keels of the straight section side formwork; a bottom formwork is arranged on the bottom surface of the stirrup, a bottom formwork adjusting mechanism and a plurality of bottom keels are arranged on the bottom surface of the bottom formwork, and a lifting trolley is arranged on the bottom surface of the plurality of bottom keels; a steel column side formwork is arranged on the outer side surface of the steel column, a C-shaped steel keel is arranged on the outer side surface of the steel column side formwork, and the top end of the steel column side formwork is connected with one end of the bottom formwork close to the steel column.

[0008] Further, the side formwork adjusting mechanism comprises a cross-shaped connecting rod and a hanging fixing part, the hanging fixing part is fixed to the outer side of the keel near the straight section side formwork, the outer side of the hanging fixing part is fixed with a U-shaped double-hole ear plate, the outer side of the side keel near the bottom end of the straight section side formwork is fixed with a single-hole ear plate I, the adjacent two ends of the cross-shaped connecting rod are integrally connected with a pair of single-hole ear plates II, the other two ends of the cross-shaped connecting rod are hingedly connected with the single-hole ear plate I and the upper part of the double-hole ear plate respectively, the outer side of the side keel near the top end of the straight section side formwork is fixed with a single-hole ear plate III, a pair of single-hole ear plates II of the cross-shaped connecting rod and the double-hole ear plate are provided with a side formwork hydraulic telescopic rod I, the fixed end of the side formwork hydraulic telescopic rod I is hingedly connected with the lower part of the double-hole ear plate, and the movable end of the side formwork hydraulic telescopic rod I is hingedly connected with the corresponding single-hole ear plate II, the other pair of single-hole ear plates II of the cross-shaped connecting rod and the single-hole ear plate III are provided with a side formwork hydraulic telescopic rod II, the fixed end of the side formwork hydraulic telescopic rod II is hingedly connected with the corresponding single-hole ear plate II, and the movable end of the side formwork hydraulic telescopic rod II is hingedly connected with the single-hole ear plate III.

[0009] Further, the bottom formwork adjusting mechanism comprises a plurality of pairs of right-angle clamping pieces I arranged on the bottom surface of the bottom formwork, a rectangular toothed plate is horizontally and slidingly connected in the plurality of pairs of right-angle clamping pieces I, a pair of fan-shaped gear plates is symmetrically arranged on the two sides of the rectangular toothed plate, each fan-shaped gear plate is rotationally connected to the bottom surface of the bottom formwork, and each fan-shaped gear plate is engaged with the rectangular toothed plate, a pair of fan-shaped bottom formwork filling plates is symmetrically arranged on the two sides of the rectangular toothed plate, the two bottom formwork filling plates correspond to the two fan-shaped gear plates and are rotationally connected to the bottom surface of the bottom formwork, and a connecting rod is hingedly connected between each bottom formwork filling plate and the corresponding fan-shaped gear plate.

[0010] Further, the lifting trolley comprises a trolley frame, a plurality of casters are mounted on the bottom surface of the trolley frame, two upper opening C-shaped tracks are fixed on the upper surface of the trolley frame, one lower opening C-shaped track is fixed on the bottom surface of each of the two bottom keels near the straight section side formwork of the bottom formwork, and a pair of scissor frames is slidingly connected between the two upper opening C-shaped tracks and the two lower opening C-shaped tracks.

[0011] Further, each pair of shears frame comprises an inner support rod and an outer support rod hinged with the inner support rod, a fixed rod I is horizontally fixed between the two outer support rods, a fixed rod II parallel to the fixed rod I is fixed in the middle of the trolley frame, a trolley hydraulic telescopic rod is arranged between the fixed rod I and the fixed rod II, and the fixed end of the trolley hydraulic telescopic rod is hinged with the fixed rod II, and the movable end of the trolley hydraulic telescopic rod is hinged with the fixed rod I; a roller shaft I is fixed between the upper ends of the two outer support rods, and rollers I are installed at both ends of the roller shaft I, the two rollers I are correspondingly and rollingly assembled in the two lower opening C-shaped tracks, and the lower ends of the two outer support rods are hinged with the upper surface of the trolley frame; a roller shaft II is fixed between the lower ends of the two inner support rods, rollers II are installed at both ends of the roller shaft II, the two rollers II are correspondingly and rollingly assembled in the two upper opening C-shaped tracks, and the upper ends of the two inner support rods are hinged with the bottom surface of the bottom keel close to the straight section side formwork.

[0012] Further, the variable cross-section section side formwork is fixed with a pair of right-angle clamping pieces II on the outer side of one end close to the steel column, and a side formwork filling plate is slidably connected between the pair of right-angle clamping pieces II.

[0013] Further, the bottom surface of the rectangular toothed plate is provided with a handle.

[0014] Further, the bottom formwork is integrally provided with a T-shaped clamping piece matched with the C-shaped steel keel at one end close to the steel column, the bottom formwork and the steel column side formwork are clamped and connected through the T-shaped clamping piece and the C-shaped steel keel, one end of the trolley frame close to the steel column is attached to the outer surface of the steel column side formwork, and the lower end of the C-shaped steel keel abuts against the upper surface of the trolley frame.

[0015] Further, the outer side of each bottom formwork filling plate is fixed with a right-angle clamping piece III.

[0016] Further, the steel column is rectangular, the number of the steel column side formworks is four, the outer side of the C-shaped steel keel of each of two steel column side formworks oppositely arranged among the four steel column side formworks is horizontally provided with a double-sided U-shaped clamping hoop, the outer side of the C-shaped steel keel of each of the other two steel column side formworks among the four steel column side formworks is horizontally provided with a single-sided U-shaped clamping hoop, one end of each single-sided U-shaped clamping hoop is hooked with the end of the adjacent double-sided U-shaped clamping hoop, and the other end of each single-sided U-shaped clamping hoop is fixed with the adjacent double-sided U-shaped clamping hoop through a wedge-shaped plate.

[0017] The utility model discloses reasonable and reliable structure design, replaces a large amount of manual labour through mechanization operation, not only has improved security, also has saved a lot of time and manpower, realized the quick installation and disassembly of the special-shaped beam form, effectively improved construction efficiency, the side formwork adjusting mechanism and bottom formwork adjusting mechanism of simultaneously, can make the side formwork and bottom formwork of this device better adapt to the variable cross section of various special-shaped beams, expand the scope of application, in addition, the stable side formwork and bottom formwork help to keep the shape integrity and surface smoothness when pouring concrete, reduce the quality defect caused by formwork deformation, further, the modular structure design is convenient to split and reorganization, convenient transportation and storage, be favorable to the on -the -spot management and resource optimization configuration. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the utility model in lifting platform truck Figure 1 .

[0020] Figure 3 It is the structure schematic diagram of the utility model in side formwork adjusting mechanism.

[0021] Figure 4 It is the structure schematic diagram of the utility model in lifting platform truck Figure 2 .

[0022] Figure 5 It is the structure schematic diagram of the utility model in bottom formwork adjusting mechanism.

[0023] In the drawing: 1, steel column;2, special-shaped beam main reinforcement;3, stirrup;4, straight section side formwork;5, variable cross section section side formwork;6, side keel;7, bottom formwork;8, bottom keel;9, steel column side formwork;10, C type steel keel;11, cross type connecting rod;12, hang fixed part down;13, double hole lug plate;14, single hole lug plate I;15, single hole lug plate II;16, single hole lug plate III;17, side formwork hydraulic telescopic rod I;18, side formwork hydraulic telescopic rod II;19, right angle clamping piece I;20, rectangular toothed plate;21, fan-shaped gear plate;22, bottom formwork filling plate;23, connecting rod;24, trolley frame;25, trundle;26, upper opening C type track;27, lower opening C type track;28, inner support rod;29, outer support rod;30, fixed rod I;31, fixed rod II;32, trolley hydraulic telescopic rod;33, gyro wheel axle I;34, gyro wheel I;35, gyro wheel axle II;36, gyro wheel II;37, right angle clamping piece II;38, side formwork filling plate;39, handle;40, T type clamping piece;41, double side U type clamping hoop;42, single side U type clamping hoop;43, wedge type plate. DETAILED DESCRIPTION

[0024] The utility model discloses a special-shaped beam formwork quick assembly and disassembly device, as shown in the accompanying drawings Figure 1 The utility model discloses a special-shaped beam formwork quick assembly and disassembly device, as shown in the accompanying drawings Figure 5 As shown in the accompanying drawings, including steel column 1, the outer side of steel column 1 is welded with special-shaped beam main reinforcement 2, is provided with stirrup 3 on special-shaped beam main reinforcement 2, the side of stirrup 3 is provided with side formwork, and the side formwork includes straight section side formwork 4, and straight section side formwork 4 is hinged with variable cross section section side formwork 5, and the outer side of straight section side formwork 4 and variable cross section section side formwork 5 is provided with a plurality of side furring 6, and the outer side of a plurality of side furring 6 of straight section side formwork 4 is provided with side formwork adjusting mechanism;The bottom of stirrup 3 is provided with bottom formwork 7, and the bottom of bottom formwork 7 is provided with bottom formwork adjusting mechanism and a plurality of bottom furring 8, and the bottom of a plurality of bottom furring 8 is provided with lifting trolley;The outer side of steel column 1 is provided with steel column side formwork 9, and the outer side of steel column side formwork 9 is provided with C-shaped steel furring 10, and the top end of steel column side formwork 9 is connected with the end of bottom formwork 7 close to steel column 1.

[0025] The utility model discloses a side formwork for straight section side formwork 4 and variable cross section section side formwork 5 hinged connection design, this design allows the side formwork to adjust the angle between straight section side formwork 4 and variable cross section section side formwork 5 according to actual needs in construction site to adapt to the change of different cross section size of special-shaped beam, has solved the problem of variable cross section special-shaped beam formwork processing complexity increase, has improved the possibility of beam formwork reuse simultaneously;Side furring 6 not only strengthens the rigidity of side formwork, but also provides mounting point for side formwork adjusting mechanism, so that the side formwork can be more stably fixed in the required position, prevents displacement or deformation during pouring, and further avoids the problem of affecting concrete appearance quality after beam formwork removal.

[0026] The side formwork adjusting mechanism includes cross type connecting rod 11, and the outer side of the bottom furring 8 close to straight section side formwork 4 is fixed with the double-hole lug plate 13 of U type, the outer side of the side furring 6 close to the bottom end of straight section side formwork 4 is fixed with the single-hole lug plate I 14, the adjacent two ends of cross type connecting rod 11 are integrally connected with a pair of single-hole lug plate II 15, the other two ends of cross type connecting rod 11 are hinged with single-hole lug plate I 14 and the upper portion of double-hole lug plate 13 respectively, the outer side of the side furring 6 close to the top end of straight section side formwork 4 is fixed with the single-hole lug plate III 16, a pair of single-hole lug plate II 15 of cross type connecting rod 11 is provided with side formwork hydraulic telescopic rod I 17 between double-hole lug plate 13, and the fixed end of side formwork hydraulic telescopic rod I 17 is hinged with the lower portion of double-hole lug plate 13, and the movable end of side formwork hydraulic telescopic rod I 17 is hinged with corresponding single-hole lug plate II 15, another pair of single-hole lug plate II 15 of cross type connecting rod 11 is provided with side formwork hydraulic telescopic rod II 18 between single-hole lug plate III 16, and the fixed end of side formwork hydraulic telescopic rod II 18 is hinged with corresponding single-hole lug plate II 15, and the movable end of side formwork hydraulic telescopic rod II 18 is hinged with single-hole lug plate III 16.

[0027] The structural design of the side formwork adjusting mechanism can make the side formwork quickly and accurately adjust to the required position through the side formwork hydraulic telescopic rod I 17 and the side formwork hydraulic telescopic rod II 18, thereby improving the working efficiency and the reuse rate of the formwork. In addition, the use of the hydraulic system also increases the safety and convenience of the operation. The side formwork hydraulic telescopic rod I 17 can accurately control the height of the side formwork during the installation and disassembly of the side formwork, thereby greatly reducing the difficulty of the traditional beam formwork processing and assembly. The side formwork hydraulic telescopic rod II 18 can adjust the angle of the side formwork relative to the bottom formwork 7, especially to ensure that the side formwork always maintains a vertical state with the bottom formwork 7 during the installation process, which is helpful to produce a concrete special-shaped beam with a smooth appearance and smooth lines, thereby obtaining a good concrete surface quality.

[0028] The bottom formwork adjusting mechanism includes a plurality of pairs of right-angle clamping pieces I 19 arranged on the bottom surface of the bottom formwork 7. A rectangular toothed plate 20 is horizontally and slidingly connected in the plurality of pairs of right-angle clamping pieces I 19. A pair of sector gear plates 21 is symmetrically arranged on both sides of the rectangular toothed plate 20. Each sector gear plate 21 is rotationally connected to the bottom surface of the bottom formwork 7 and engaged with the rectangular toothed plate 20. A pair of bottom formwork filling plates 22 in the shape of a sector is symmetrically arranged on both sides of the rectangular toothed plate 20. The two bottom formwork filling plates 22 correspond to the two sector gear plates 21 and are rotationally connected to the bottom surface of the bottom formwork 7. A connecting rod 23 is hingedly connected between each bottom formwork filling plate 22 and the corresponding sector gear plate 21.

[0029] The bottom formwork adjusting mechanism drives the sector gear plate 21 to rotate by sliding the rectangular toothed plate 20. The sector gear plate 21 rotates to drive the bottom formwork filling plate 22 to rotate and expand or retract, thereby further adjusting the width of the bottom formwork 7 to adapt to beams with different cross-sectional sizes, further reducing the difficulty of processing and assembling the special-shaped beam formwork. In particular, the engagement mechanism between the rectangular toothed plate 20 and the sector gear plate 21 ensures the stability and accuracy during the adjustment process, thereby further improving the construction quality.

[0030] The lifting trolley includes a trolley frame 24. The bottom surface of the trolley frame 24 is provided with casters 25. The upper surface of the trolley frame 24 is fixed with two upper opening C-shaped tracks 26. The bottom surface of the bottom formwork 7 is fixed with one lower opening C-shaped track 27 near the bottom flanges 8 of the straight section side formwork 4. A pair of scissor frames is slidingly connected between the two upper opening C-shaped tracks 26 and the two lower opening C-shaped tracks 27.

[0031] Each pair of shears frame comprises an inner support rod 28 and an outer support rod 29 hinged with the inner support rod 28, a fixed rod I 30 horizontally fixed between the two outer support rods 29, a fixed rod II 31 fixed in the middle of the trolley frame 24 and parallel to the fixed rod I 30, a trolley hydraulic telescopic rod 32 arranged between the fixed rod I 30 and the fixed rod II 31, and the fixed end of the trolley hydraulic telescopic rod 32 hinged with the fixed rod II 31 and the movable end of the trolley hydraulic telescopic rod 32 hinged with the fixed rod I 30; a roller shaft I 33 fixed between the upper ends of the two outer support rods 29, and a roller I 34 mounted at each end of the roller shaft I 33, the two rollers I 34 correspondingly and rollingly assembled in the two lower opening C-shaped tracks 27, and the lower ends of the two outer support rods 29 hinged with the upper surface of the trolley frame 24; a roller shaft II 35 fixed between the lower ends of the two inner support rods 28, and a roller II 36 mounted at each end of the roller shaft II 35, the two rollers II 36 correspondingly and rollingly assembled in the two upper opening C-shaped tracks 26, and the upper ends of the two inner support rods 28 hinged with the bottom surface of the bottom joist 8 close to the straight section side formwork 4.

[0032] The structure design of the lifting trolley and the inner shears frame makes the side formwork and the bottom formwork 7 easily move up and down, simplifies the installation and disassembly process, shortens the construction period, and reduces the labor cost, and meanwhile, the design also increases the flexibility of the device, so that it can adapt to different construction site environments.

[0033] The variable cross-section section side formwork 5 is fixed with a pair of right-angle clamping pieces II 37 on the outer side of one end close to the steel column 1, and the pair of right-angle clamping pieces II 37 are slidably connected with a side formwork filling plate 38.

[0034] The structure design of the side formwork filling plate 38 can effectively extend the length of the variable cross-section section side formwork 5, and then flexibly fill the gap between the side formwork and the bottom formwork 7.

[0035] The bottom surface of the rectangular toothed plate 20 is provided with a handle 39.

[0036] The structure design of the handle 39 facilitates the sliding operation of the rectangular toothed plate 20.

[0037] The bottom formwork 7 is integrally provided with a T-shaped clamping piece 40 matched with the C-shaped steel joist 10 on one end close to the steel column 1, the bottom formwork 7 and the steel column side formwork 9 are clamped and connected with the C-shaped steel joist 10 through the T-shaped clamping piece 40, the trolley frame 24 is attached to the outer surface of the steel column side formwork 9 on one end close to the steel column 1, and the lower end of the C-shaped steel joist 10 abuts against the upper surface of the trolley frame 24.

[0038] The structure design that the T-shaped clamping piece 40 is clamped and connected with the C-shaped steel joist 10 facilitates the installation and disassembly of the bottom formwork 7 and the steel column side formwork 9, and improves the construction efficiency.

[0039] The outer side of each bottom form plate filling plate 22 is fixed with a right-angle clamping piece III.

[0040] The right-angle clamping piece III is used for clamping and connecting or limiting the position of the bottom form plate filling plate 22 and the side form plate, or the bottom form plate filling plate 22 and the side form plate filling plate 38, so as to ensure the accurate position.

[0041] The steel column 1 is rectangular, the number of the steel column side form plates 9 is four, the outer side of the C-shaped steel joist 10 of the two oppositely arranged steel column side form plates 9 among the four steel column side form plates 9 is horizontally provided with a double-side U-shaped clamp 41, the outer side of the C-shaped steel joist 10 of the other two steel column side form plates 9 among the four steel column side form plates 9 is horizontally provided with a single-side U-shaped clamp 42, one end of each single-side U-shaped clamp 42 is connected with the end of the adjacent double-side U-shaped clamp 41, and the other end of each single-side U-shaped clamp 42 is fixed with the adjacent double-side U-shaped clamp 41 through a wedge-shaped plate 43.

[0042] The combination structure of the double-side U-shaped clamp 41, the single-side U-shaped clamp 42 and the wedge-shaped plate 43 ensures the close connection between the four steel column side form plates 9, and prevents the occurrence of the slurry leakage phenomenon.

[0043] The utility model discloses a following step is realized when installing and using:

[0044] Step one: when the steel column steel bar binding of the outer side of the steel column 1 is completed, the device is assembled on the ground, the bottom form plate 7 welded with the bottom joist 8 is installed on the lifting trolley, the bottom form plate adjusting mechanism is installed on the bottom form plate 7, the side form plate adjusting mechanism is installed on the side form plate welded with the side joist 6 and the bottom form plate 7, all connection parts such as hinged points are ensured to be correctly installed, and meanwhile, the steel column side form plate 9 welded with the C-shaped steel joist 10 is prepared to be arranged at the predetermined position of the outer side of the steel column 1.

[0045] Step two: the trolley hydraulic telescopic rod 32 is started, the trolley hydraulic telescopic rod 32 is retracted and drives the roller shaft II 35 and the roller II 36 to slide along the upper opening C-shaped track 26, the roller shaft I 33 and the roller I 34 slide along the lower opening C-shaped track 27, so as to drive the bottom form plate 7 and the side form plate to stably ascend until the bottom form plate 7 reaches the predetermined height and is aligned with the beam bottom elevation of the special-shaped beam, and then the trolley hydraulic telescopic rod 32 is stopped.

[0046] Step three: the prepared steel column side form plate 9 is clamped and connected with the end of the bottom form plate 7 close to the steel column 1 through the T-shaped clamping piece 40 and the C-shaped steel joist 10, the close combination of the two is ensured, the end of the trolley frame 24 close to the steel column 1 is ensured to be attached to the outer surface of the steel column side form plate 9, and the lower end of the C-shaped steel joist 10 is ensured to abut against the upper surface of the trolley frame 24.

[0047] Step four: slide the rectangular toothed plate 20 at the bottom of the bottom formwork 7 through the handle 39, drive the two sides of the rectangular toothed plate 20 to rotate synchronously by the rectangular toothed plate 20, and rotate the two fan-shaped gear plates 21 on both sides of the rectangular toothed plate 20 synchronously, while the two fan-shaped gear plates 21 rotate to drive the corresponding bottom formwork filling plate 22 to rotate and expand outward of the bottom formwork 7 synchronously through the connecting rod 23, so as to supplement the width of the variable cross-section of the bottom formwork 7 of the special-shaped beam, stop sliding the rectangular toothed plate 20 after reaching the appropriate position, then extend the side formwork hydraulic telescopic rod I 17 and make it push the cross-shaped connecting rod 11, so as to make the cross-shaped connecting rod 11 push the side formwork to rotate and rise, at the same time, extend or retract the side formwork hydraulic telescopic rod II 18 to adjust the verticality of the side formwork, so that the side formwork returns to the position perpendicular to the bottom formwork 7, and the side of the bottom formwork 7 abuts against the inner side of the side formwork, then adjust the angle between the flat section side formwork 4 and the variable cross-section section side formwork 5, so that the side of the bottom formwork filling plate 22 abuts against the inner side of the variable cross-section section side formwork 5, and push the side formwork filling plate 38 to slide in the right angle clamp II 37 towards the direction close to the steel column 1, so as to supplement the length of the variable cross-section section side formwork 5, after reaching the appropriate position, clamp and limit the bottom formwork filling plate 22 and the side formwork filling plate 38 through the right angle clamp III, so as to ensure the accurate position;

[0048] Step five: install the double-sided U-shaped clamp 41 and the single-sided U-shaped clamp 42 on the outer side of the C-shaped steel joist 10 of the steel column side formwork 9 outside the steel column 1, so that one end of each single-sided U-shaped clamp 42 is connected with the end of the adjacent double-sided U-shaped clamp 41, and the other end of each single-sided U-shaped clamp 42 is fixed with the adjacent double-sided U-shaped clamp 41 through the wedge-shaped plate 43;

[0049] Step six: bind the special-shaped beam main reinforcement 2 and the stirrup 3 inside the special-shaped beam formwork assembled by the side formwork, the bottom formwork 7, the steel column side formwork 9, the bottom formwork filling plate 22 and the side formwork filling plate 38, and perform concrete pouring operation, after the concrete reaches sufficient strength, disassemble the device, push the side formwork filling plate 38 to slide in the right angle clamp II 37 towards the direction away from the steel column 1, make the bottom formwork filling plate 22 rotate and retract to the inner side of the bottom formwork 7 by reversing the rectangular toothed plate 20 through the handle 39, and make the side formwork rotate from vertical to horizontal by starting the side formwork hydraulic telescopic rod I 17 and the side formwork hydraulic telescopic rod II 18, extend the trolley hydraulic telescopic rod 32 to make the lifting trolley drive the bottom formwork 7 and the side formwork to descend stably to a certain height, so as to facilitate moving away, thereby completing the use of the device; overcome the problems of complex process, long time consumption, easy deformation or displacement of the traditional beam formwork installation and disassembly technology when facing the variable cross-section special-shaped beam, and the influence on the appearance quality of the concrete after the beam formwork is disassembled.

[0050] In the description of the utility model, need understanding is, the indicated direction or position relation is based on the direction or position relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not the indication or the implied device or the element that the indicated must have the specific direction, constructs and operates with the specific direction, therefore can not be understood as the restriction of the utility model.

[0051] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A special-shaped beam formwork rapid assembly and disassembly device, comprising a steel column (1), a special-shaped beam main reinforcement (2) is welded on the outer side of the steel column (1), and a stirrup (3) is arranged on the special-shaped beam main reinforcement (2), characterized in that: The side of the stirrup (3) is provided with a side formwork, the side formwork comprises a flat section side formwork (4), the flat section side formwork (4) is hinged with a variable cross-section section side formwork (5), the outer side of the flat section side formwork (4) and the variable cross-section section side formwork (5) is provided with a plurality of side keels (6), the outer side of the plurality of side keels (6) of the flat section side formwork (4) is provided with a side formwork adjusting mechanism; the bottom of the stirrup (3) is provided with a bottom formwork (7), the bottom of the bottom formwork (7) is provided with a bottom formwork adjusting mechanism and a plurality of bottom keels (8), the bottom of the plurality of bottom keels (8) is provided with a lifting platform; the outer side of the steel column (1) is provided with a steel column side formwork (9), the outer side of the steel column side formwork (9) is provided with a C-shaped steel keel (10), and the top end of the steel column side formwork (9) is connected with one end of the bottom formwork (7) close to the steel column (1).

2. The quick assembly and disassembly device for special-shaped beam formwork according to claim 1, characterized in that: The side formwork adjusting mechanism comprises a cross-shaped connecting rod (11) and a lower hanging fixing piece (12), the lower hanging fixing piece (12) is fixed to the outer side of the bottom keel (8) close to the flat section side formwork (4), the outer side of the lower hanging fixing piece (12) is fixed with a U-shaped double-hole ear plate (13), the outer side of the side keel (6) close to the bottom end of the flat section side formwork (4) is fixed with a single-hole ear plate I (14), one pair of single-hole ear plates II (15) are integrally connected to the adjacent two ends of the cross-shaped connecting rod (11), the other two ends of the cross-shaped connecting rod (11) are hinged with the single-hole ear plate I (14) and the upper part of the double-hole ear plate (13) respectively, the outer side of the side keel (6) close to the top end of the flat section side formwork (4) is fixed with a single-hole ear plate III (16), a side formwork hydraulic telescopic rod I (17) is arranged between the pair of single-hole ear plates II (15) and the double-hole ear plate (13) of the cross-shaped connecting rod (11), the fixed end of the side formwork hydraulic telescopic rod I (17) is hinged with the lower part of the double-hole ear plate (13), and the movable end of the side formwork hydraulic telescopic rod I (17) is hinged with the corresponding single-hole ear plate II (15), a side formwork hydraulic telescopic rod II (18) is arranged between the other pair of single-hole ear plates II (15) and the single-hole ear plate III (16) of the cross-shaped connecting rod (11), the fixed end of the side formwork hydraulic telescopic rod II (18) is hinged with the corresponding single-hole ear plate II (15), and the movable end of the side formwork hydraulic telescopic rod II (18) is hinged with the single-hole ear plate III (16).

3. The quick assembly and disassembly device for special-shaped beam formwork according to claim 1, characterized in that: The bottom die plate adjusting mechanism comprises a plurality of pairs of right-angle clamping pieces I (19) arranged on the bottom surface of the bottom die plate (7), a rectangular toothed plate (20) is slidably connected in the plurality of pairs of right-angle clamping pieces I (19), a pair of sector gear plates (21) are symmetrically arranged on the two sides of the rectangular toothed plate (20), each sector gear plate (21) is rotatably connected to the bottom surface of the bottom die plate (7), and each sector gear plate (21) is engaged with the rectangular toothed plate (20), a pair of bottom die plate filling plates (22) in the shape of a sector are symmetrically arranged on the two sides of the rectangular toothed plate (20), the two bottom die plate filling plates (22) correspond to the two sector gear plates (21) respectively and are rotatably connected to the bottom surface of the bottom die plate (7), and a connecting rod (23) is hingedly connected between each bottom die plate filling plate (22) and the corresponding sector gear plate (21).

4. The quick assembly and disassembly device for special-shaped beam formwork according to claim 1, characterized in that: The lifting trolley comprises a trolley frame (24), a plurality of casters (25) are arranged on the bottom surface of the trolley frame (24), two upper opening C-shaped tracks (26) are fixed on the upper surface of the trolley frame (24), one lower opening C-shaped track (27) is fixed on the bottom surface of each of the two bottom joists (8) near the straight section side die plate (4) of the bottom die plate (7), and a pair of scissor frames are slidably connected between the two upper opening C-shaped tracks (26) and the two lower opening C-shaped tracks (27).

5. The quick assembly and disassembly device for special-shaped beam formwork according to claim 4, characterized in that: Each pair of scissor frames comprises an inner support rod (28) and an outer support rod (29) hingedly connected to the inner support rod (28), a fixed rod I (30) is horizontally fixed between the two outer support rods (29), a fixed rod II (31) parallel to the fixed rod I (30) is fixed on the middle part of the trolley frame (24), a trolley hydraulic telescopic rod (32) is arranged between the fixed rod I (30) and the fixed rod II (31), and the fixed end of the trolley hydraulic telescopic rod (32) is hingedly connected to the fixed rod II (31) and the movable end of the trolley hydraulic telescopic rod (32) is hingedly connected to the fixed rod I (30); a roller shaft I (33) is fixed between the upper ends of the two outer support rods (29), rollers I (34) are arranged on the two ends of the roller shaft I (33), the two rollers I (34) are correspondingly and rollingly arranged in the two lower opening C-shaped tracks (27), and the lower ends of the two outer support rods (29) are hingedly connected to the upper surface of the trolley frame (24); a roller shaft II (35) is fixed between the lower ends of the two inner support rods (28), rollers II (36) are arranged on the two ends of the roller shaft II (35), the two rollers II (36) are correspondingly and rollingly arranged in the two upper opening C-shaped tracks (26), and the upper ends of the two inner support rods (28) are hingedly connected to the bottom surface of the bottom joist (8) near the straight section side die plate (4).

6. The quick assembly and disassembly device for special-shaped beam formwork according to claim 1, characterized in that: The variable cross-section section side die plate (5) is fixed with a pair of right-angle clamping pieces II (37) on the outer side of one end near the steel column (1), and a side die plate filling plate (38) is slidably connected between the pair of right-angle clamping pieces II (37).

7. The quick assembly and disassembly device for special-shaped beam formwork according to claim 3, characterized in that: The bottom surface of the rectangular toothed plate (20) is provided with a handle (39).

8. The quick assembly and disassembly device for special-shaped beam formwork according to claim 4, characterized in that: The bottom template (7) is integrally provided with a T-shaped clamping piece (40) matched with the C-shaped steel batten (10) near one end of the steel column (1), the bottom template (7) and the steel column side template (9) are connected through the T-shaped clamping piece (40) and the C-shaped steel batten (10), the trolley frame (24) is attached to the outer surface of the steel column side template (9) near one end of the steel column (1), and the lower end of the C-shaped steel batten (10) abuts against the upper surface of the trolley frame (24).

9. The quick assembly and disassembly device for special-shaped beam formwork according to claim 3, characterized in that: The outer side of each bottom template filling plate (22) is fixed with a right-angle clamping piece III.

10. The quick assembly and disassembly device for special-shaped beam formwork according to claim 1, characterized in that: The steel column (1) is rectangular, the number of the steel column side templates (9) is four, the outer sides of the C-shaped steel battens (10) of two oppositely arranged steel column side templates (9) among the four steel column side templates (9) are each horizontally provided with a double-side U-shaped clamping hoop (41), the outer sides of the C-shaped steel battens (10) of the other two steel column side templates (9) among the four steel column side templates (9) are each horizontally provided with a single-side U-shaped clamping hoop (42), one end of each single-side U-shaped clamping hoop (42) is connected with the end of the adjacent double-side U-shaped clamping hoop (41), and the other end of each single-side U-shaped clamping hoop (42) is fixed with the adjacent double-side U-shaped clamping hoop (41) through a wedge-shaped plate (43).

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