A tunable cantilever formwork system apparatus and construction method using the same
By designing an adjustable cantilever formwork system, using tripods, I-beams, fine-tuning devices, and movable scaffolding, the problems of time-consuming and labor-intensive traditional ground scaffolding erection and water leakage from cantilever tripods are solved, thus improving the operational efficiency and rigidity of the cantilever formwork system.
Patent Information
- Application Number
- CN202110337791.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-03-30
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2041-03-30
AI Technical Summary
Traditional ground-mounted scaffolding is time-consuming and labor-intensive, cantilevered tripod structures pose a risk of water leakage, and cantilevered formwork systems have insufficient rigidity for high-position formwork support, resulting in low turnover efficiency.
Design an adjustable cantilever formwork system, including two tripods, I-beams, scaffold boards, formwork, fine-tuning devices, and movable scaffolding. The platform is fine-tuned and the formwork is positioned through clamps, embedded parts, and fine-tuning gears. Adjustable diagonal braces and casters are used to improve operational efficiency.
It achieves efficient rebar tying and formwork placement, reduces the risk of water leakage, improves the turnover efficiency and rigidity of the cantilever formwork system, and saves space below.
Smart Images

Figure CN112942779B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of building construction, and particularly relates to a fine-tunable cantilever formwork system device and a construction method using the same. BACKGROUND
[0002] The traditional method of erecting a floor-mounted scaffold is time-consuming and laborious, and has low efficiency, while a general cantilevered tripod can be used as an operation platform, but the structure of the cantilevered tripod leads to an increased risk of water leakage due to the threaded rod. The cantilever formwork system device is mainly used in industrial buildings, and is used at positions with high concrete frame beams or shear walls, and has high turnover efficiency and can save space below. SUMMARY
[0003] The present application provides a fine-tunable cantilever formwork system device and a construction method.
[0004] In order to achieve the above-mentioned purpose, in one aspect of the present application, a fine-tunable cantilever formwork system device is provided, characterized in that it comprises:
[0005] Two tripods (1) are provided on which a first H-shaped wood (3) and a scaffold board (4) are laid, the first H-shaped wood (3) and the scaffold board (4) are connected by a clamp (2) to form an operation platform; the two tripods (1) are connected with a pre-embedded part (9) in structural concrete (8);
[0006] A formwork (11) is connected with a second H-shaped wood (17) and a horizontal main back brace (15); a vertical main back brace (13) is connected with the horizontal main back brace (15), and the horizontal main back brace (15) is placed on an adjusting seat (12); the bottom of the vertical main back brace (13) is connected with a fine-tuning device (10), and the back is connected with one end of an adjustable inclined strut (6);
[0007] A movable scaffold (7) with casters is fixedly connected with the vertical main back brace (13); the other end of the adjustable inclined strut (6) is connected with the movable scaffold (7) with casters; the movable scaffold (7) with casters can move with the fine-tuning of the vertical main back brace (13), and is a reinforcement binding platform.
[0008] Preferably, a protective rail (5) is installed on the two tripods (1).
[0009] Preferably, the formwork (11) is a wooden formwork.
[0010] Preferably, the vertical main back brace (13) and the horizontal main back brace (15) are made of double-channel steel.
[0011] More preferably, the vertical main back lath (13) and the horizontal main back lath (15) are made of double-spliced 10# channel steel.
[0012] Preferably, the embedded part (9) is a detachable climbing cone on the outside of the structural concrete (8), and the two sets of tripods (1) are connected to the embedded part (9) by buckling.
[0013] Preferably, the fine adjustment device is a fine adjustment gear (10).
[0014] Preferably, the movable scaffold (7) with casters is fixedly connected to the vertical main back lath (13) through the first fastener (14).
[0015] Preferably, the horizontal main back lath (15) is connected to the vertical main back lath (13) through the second fastener (16).
[0016] Preferably, the first I-beam (3) is connected to the scaffold board (4) through a clamp
[0017] In another aspect, the present application provides a method for constructing the adjustable cantilever formwork system device described above, characterized in that it comprises the following steps:
[0018] Step A: installing the first I-beam (3), the scaffold board (4), and the guardrail (5) between the two sets of tripods (1) on the ground to form a tripod operation platform;
[0019] Step B: pre-assembling the formwork (11), the second I-beam (17), and the horizontal main back lath (15) on the ground to form a formwork system;
[0020] Step C: installing and fixing the vertical main back lath (13), the fine adjustment device (10), the adjustable diagonal brace (6), the adjusting seat (12), and the movable scaffold (7) with casters on the tripod operation platform;
[0021] Step D: hoisting and hanging the frame body including the tripod operation platform formed by the step C on the embedded part (9) in the lower structure concrete (8);
[0022] Step E: increasing the reserved structure space by the fine adjustment device (10), and binding the structural steel bars using the tripod operation platform and the movable scaffold (7) with casters as a platform;
[0023] Step F: after the steel bar binding is completed, hoisting the formwork system assembled in the step B into position, adjusting the formwork system to the designed structure size position by the fine adjustment device (10), and correcting and pouring the structural concrete. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 Fig. 1 is a schematic diagram of the installation structure of the adjustable cantilever formwork system in the reinforcement stage;
[0025] Figure 2 Fig. 2 is a schematic diagram of the installation structure of the adjustable cantilever formwork system in the formwork installation stage;
[0026] Figure 3 Fig. 3 is a schematic diagram of the horizontal adjustment of the formwork system;
[0027] Figure 4 Fig. 4 is a structural diagram of the first and second fasteners.
[0028] In the figure, 1 is two tripods, 2 is a clamp, 3 is a first I-beam, 4 is a scaffold board, 5 is a protective rail, 6 is an adjustable triangular support, 7 is a movable scaffold with wheels, 8 is a concrete structure, 9 is a pre-embedded part, 10 is an adjustment gear, 11 is a formwork, 12 is an adjustment seat, 13 is a vertical main backrest, 14 is a first fastener, 15 is a horizontal main backrest, 16 is a second fastener, 17 is a second I-beam, and 18 is a supporting foot. DETAILED DESCRIPTION
[0029] The technical solutions of the present application will be described clearly and completely in combination with the drawings and specific embodiments.
[0030] As shown in Figs. 1 and 2, the installation structure of the adjustable cantilever formwork system device of the present application in the reinforcement stage and the formwork installation stage is shown. Figure 1 Figure 2 The adjustable cantilever formwork system device of the present application includes a tripod 1, a clamp 2, a first I-beam 3, a scaffold board 4, a protective rail 5, an adjustable triangular support 6, a movable scaffold with wheels 7, a pre-embedded part 9, an adjustment gear 10, a formwork 11, an adjustment seat 12, a vertical main backrest 13, a first fastener 14, a horizontal main backrest 15, a second fastener 16, and a second I-beam 17.
[0031] The two tripods 1 are connected by erecting and fixing the first I-beam 3, the scaffold board 4, and the protective rail 5 to form an operation platform. The first I-beam 3 is connected with the scaffold board 4 by the clamp 2, such as a common torque wrench. The first I-beam 3 can be two or more. The inside bottom of the two tripods 1 is provided with a supporting foot 18 to abut against a structural wall of the overall operation platform.
[0032] The pre-embedded part 9 is pre-embedded into the structural concrete 8, and the outer side of the concrete is a detachable climbing cone. The tripod 1 is connected with the pre-embedded part 9, preferably by a buckling connection, which is convenient for installation and removal.
[0033] The template 11 and the second I-beam 17 are connected by nails and then connected with the horizontal main back ridge 15 by buckling; the horizontal main back ridge 15 is connected with the vertical main back ridge 13 with adjustable triangular support 6, and the two are preferably connected by the second fastener 16, and the structure of the second fastener is as shown in Figure 4 The back of the vertical main back ridge 13 is connected with the adjustable triangular support 6, and the other end of the adjustable triangular support 6 is connected with the movable scaffold 7 with casters. The movable scaffold 7 with casters can be used as a steel bar binding platform. The movable scaffold 7 with casters is fixedly connected with the vertical main back ridge 13, and is preferably fixedly connected by the first fastener 14, and the structure of the first fastener is as shown in Figure 4 The bottom of the vertical main back ridge 13 is provided with a fine adjustment device 10 connected with the tripod platform. Under the action of the fine adjustment device, the movable scaffold 7 with casters can move with the fine adjustment of the vertical main back ridge 13. The fine adjustment device is preferably a fine adjustment gear. When the fine adjustment device 10 is adjusted, a common torque wrench needs to be used. The adjustable triangular support 6 and the fine adjustment device can adjust the distance between the template 11 and the concrete structure and the inclination angle of the template 11.
[0034] The horizontal main back ridge (15) is placed on the adjusting seat 12, and the adjusting seat 12 is vertically adjusted.
[0035] The two tripods 1 are preferably made of profile steel; the template 11 is a wooden template; the second I-beam 17 (secondary back ridge) is an I-beam, and the horizontal main back ridge 15 and the vertical main back ridge 13 are preferably double channel steels, and more preferably double 10# channel steels.
[0036] When the lower concrete structure 8 is constructed, the embedded part 9 is embedded in the structure, and the screw rod with nut is installed on the exposed side of the concrete.
[0037] Step A: On the ground, the two tripods 1 and the first I-beam 3, the footboard 4, and the guardrail 5 are connected and fixed by the clamp 2 to form a tripod operation platform.
[0038] Step B: At the same time, the template 11, the second I-beam 17, and the horizontal main back ridge 15 are pre-assembled on the ground to form a template system, as shown in Figure 1 .
[0039] Step C: The vertical main back ridge 13, the fine adjustment gear 10, the adjustable triangular support 6, the adjusting seat 12, and the movable scaffold 7 with casters are installed and fixed on the tripod operation platform.
[0040] Step D: The frame body including the tripod operation platform formed by Step C is hoisted and hung on the embedded part (9) in the lower structure concrete (8).
[0041] Step E: In order to ensure sufficient space for steel bar binding, the movable scaffold 7 with casters is adjusted to the appropriate height, and the template 11 is adjusted to the appropriate angle, as shown in Figure 3As shown, the fine-tuning device 10 is operated with a wrench to increase the reserved space in the structure, and the structural steel bars are tied using a tripod operating platform and a movable scaffold 7 with casters as a platform.
[0042] Step F: As Figure 2 As shown, after the rebar tying is completed, the pre-assembled formwork system (assembled in step A) is hoisted into place and then... Figure 3 As shown, the fine-tuning device 10 is adjusted using a wrench to position the template 11 in the required design position, and the adjustable triangular support 6 is used to adjust the template 11 to an appropriate angle. After the template 11 is adjusted, structural concrete can be poured.
[0043] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A tunable cantilever formwork system apparatus, characterized by, The utility model relates to a kind of steel bar binding platform and method, including: Three-legged operating platform, including two three-legged frames and the first I-beam installed between two three-legged frames, footboard, guardrail, first I-beam and footboard are laid on two three-legged frames, and first I-beam and footboard are connected by clamp, and two three-legged frames are connected with embedded part in lower structure concrete; Vertical main back ridge, fine adjustment gear, adjustable triangular support, adjusting seat, movable scaffold with casters And Second fastener, installed and fixed on the tripod operating platform; the bottom of the vertical main back ridge is connected with the fine adjustment gear, the back of the vertical main back ridge is connected with one end of the adjustable triangular support, the movable scaffold with casters is fixedly connected with the vertical main back ridge and connected with the other end of the adjustable triangular support; Formwork system, including formwork, second I-beam, transverse main back ridge pre-assembled on ground, and transverse main back ridge is connected with vertical main back ridge by second fastener;Transverse main back ridge rests on adjusting seat, and adjusting seat is vertically adjusted; Wherein, three-legged operating platform and movable scaffold with wheels are used as steel bar binding platform; Adjusting fine adjustment gear can increase structure reserved space, so that formwork is positioned at the position of design requirement;Under the action of fine adjustment gear, movable scaffold with wheels moves with the fine adjustment of vertical main back ridge;The setting of adjustable triangular support and fine adjustment gear can adjust the distance between formwork and concrete structure and the inclination angle of formwork.
2. The tunable cantilever formwork system apparatus of claim 1, wherein, Two three-legged frames are provided with supporting feet at inner bottom, so that whole operating platform is close to structure wall, and guardrail is installed on two three-legged frames, and ordinary torque wrench is used to adjust fine adjustment gear.
3. The tunable cantilever formwork system apparatus of claim 1, wherein, Formwork is connected with second I-beam by nail, and then connected with transverse main back ridge by buckle.
4. The tunable cantilever formwork system apparatus of claim 1, wherein, Transverse main back ridge is placed on adjusting seat and vertically adjusted by adjusting seat;Vertical main back ridge and transverse main back ridge are made of double channel steel.
5. The tunable cantilever formwork system apparatus of claim 4, wherein, Vertical main back ridge and transverse main back ridge are made of double 10# channel steel.
6. The tunable cantilever formwork system apparatus of claim 1, wherein, Embedded part is detachable climbing cone on the outside of structure concrete, and two three-legged frames are connected with embedded part by buckle.
7. The tunable cantilever formwork system apparatus of claim 1, wherein, Movable scaffold with wheels is fixedly connected with vertical main back ridge by first fastener.
8. A tunable cantilever formwork system apparatus according to claim 1, wherein, First I-beam is connected with footboard by ordinary torque wrench.
9. A method of construction of a cantilever formwork system using the cantilever formwork system apparatus of any one of claims 1 to 8, characterised in that, Including the following steps: Step A: install first I-beam, footboard and guardrail between two three-legged frames on ground to form three-legged operating platform;First I-beam and footboard are laid on two three-legged frames, and first I-beam and footboard are connected by clamp; Step B: pre-assemble formwork, second I-beam and transverse main back ridge on ground to form formwork system; Step C: install and fix vertical main back ridge, fine adjustment device, adjustable triangular support, adjusting seat and movable scaffold with wheels on three-legged operating platform;Vertical main back ridge is connected with fine adjustment gear at bottom, and vertical main back ridge is connected with one end of adjustable triangular support at back, movable scaffold with wheels is fixedly connected with vertical main back ridge and connected with other end of adjustable triangular support; Step D: whole frame body including three-legged operating platform formed by step C is hoisted and hung on embedded part in lower structure concrete;Two three-legged frames are connected with embedded part in structure concrete; Step E: increase reserved structure space by fine adjustment device, and use three-legged operating platform and movable scaffold with wheels as platform to bind structure steel bar; Step F: after steel bar binding is completed, formwork system assembled in step B is hoisted and positioned, and formwork system is adjusted to design structure size position by fine adjustment device, and structure concrete is corrected and poured.
Citation Information
Patent Citations
Cantilever template
CN108915250A
Combined steel formwork
CN110331854A
Cantilever formwork system device construction method and cantilever formwork system device capable of being finely adjusted
CN120867507A
Rearward shift device of cantalever climbing system
CN201687211U
Bridge variable cross-section rectangular high pier cantilever creeping formwork construction device
CN202830776U