Fine-adjustable cantilever formwork system device and construction method of cantilever formwork system device

Abstract

The invention discloses a cantilever formwork system device capable of being finely adjusted and a construction method of the cantilever formwork system device, the cantilever formwork system device capable of being finely adjusted comprises a tripod operation platform and a formwork system, the tripod operation platform comprises two tripods, and the two tripods are connected with embedded parts in concrete of a lower layer structure; a vertical main back ridge, a fine adjustment device, an adjustable triangular support and a movable scaffold with trundles are installed and fixed on a tripod operation platform, the bottom of the vertical main back ridge is connected with a fine adjustment gear, and the back of the vertical main back ridge is connected with one end of the adjustable triangular support. The movable scaffold with the trundles is fixedly connected with the vertical main back ridges and is connected with the other end of the adjustable triangular support; the formwork system comprises formworks pre-assembled on the ground. A tripod operation platform and a movable scaffold with trundles are used as a reinforcing steel bar binding platform; by arranging the adjustable triangular support and the fine adjustment device, the distance between the formwork and the concrete structure and the inclination angle of the formwork can be adjusted.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 202110337791.7, entitled "An Adjustable Cantilever Formwork System Device and a Construction Method Thereof", filed on March 30, 2021, the contents of which are incorporated herein by reference. Technical Field

[0002] This invention relates to the field of cleaning equipment technology, and in particular to an adjustable cantilever formwork system and a construction method for the cantilever formwork system. Background Technology

[0003] Traditional methods of erecting ground-based scaffolding are time-consuming, labor-intensive, and inefficient. While cantilevered tripods can serve as working platforms, the presence of tie rods increases the risk of water leakage. Cantilever formwork systems are primarily used in industrial buildings, particularly in areas with high concrete frame beams or shear walls. These systems offer high rigidity, efficient turnover, and save space below the formwork. Summary of the Invention

[0004] The purpose of this invention is to provide a finely adjustable cantilever formwork system and a construction method for the cantilever formwork system.

[0005] To achieve the above objectives, in a first aspect, the present invention proposes a finely adjustable cantilever formwork system device, comprising: The tripod operating platform includes two tripods, which are connected to embedded parts in the lower structure concrete. A vertical main back rib, a fine-tuning device, an adjustable triangular support, and a movable scaffold with casters are installed and fixed on the tripod operating platform. The bottom of the vertical main back rib is connected to the fine-tuning gear, and the back of the vertical main back rib is connected to one end of the adjustable triangular support. The movable scaffold with casters is fixedly connected to the vertical main back rib and to the other end of the adjustable triangular support. Template systems, including templates pre-assembled on the ground; Among them, a tripod operating platform and a movable scaffold with casters are used as a rebar binding platform; under the action of the fine adjustment device, the movable scaffold with casters moves with the fine adjustment of the vertical main back rib; by using a wrench to adjust the fine adjustment device, the formwork can be positioned to the position required by the design. The setting of the triangular support and the fine adjustment device can be adjusted to adjust the distance between the formwork and the concrete structure and the tilt angle of the formwork.

[0006] In one or more alternative embodiments, the tripod operating platform further includes a first I-beam, scaffold boards, and guardrails installed between two tripods, with the first I-beam and scaffold boards laid on the two tripods and connected by clamps.

[0007] In one or more alternative embodiments, the two tripods are provided with support legs on the inner bottom to keep the overall operating platform close to the structural wall, and guardrails are installed on the two tripods; The fine-tuning device is a fine-tuning gear, and the triangular support and fine-tuning gear can be adjusted using a common torque wrench.

[0008] In one or more alternative embodiments, an adjusting seat and a second fastener are also installed and fixed on the tripod operating platform, and the horizontal main back rib and the vertical main back rib are connected by the second fastener; the template system also includes a second I-beam and a horizontal main back rib pre-assembled with the template on the ground, the horizontal main back rib rests on the adjusting seat, and the adjusting seat is vertically adjusted. In one or more alternative embodiments, the template is connected to the second I-beam by nails and then connected to the transverse main back rib by snap fasteners.

[0009] In one or more alternative embodiments, the transverse main back rib is placed on an adjusting seat and vertically adjusted by the adjusting seat; the vertical main back rib and the transverse main back rib are made of double channel steel.

[0010] In one or more alternative embodiments, the vertical main back rib and the horizontal main back rib are made of double-layered 10# channel steel.

[0011] In one or more alternative embodiments, the embedded part is a detachable climbing cone on the outside of the structural concrete, and the two tripods are connected to the embedded part by a snap-fit ​​method.

[0012] In one or more alternative embodiments, the embedded part is embedded in the underlying concrete structure, and a threaded rod with a nut is installed on the exposed concrete side.

[0013] In one or more alternative embodiments, the movable scaffold with casters is fixedly connected to the vertical main back beam by a first fastener.

[0014] In one or more alternative embodiments, the first I-beam is connected to the scaffold plank using a standard torque wrench.

[0015] Secondly, the present invention also proposes a construction method for a cantilever formwork system, wherein the finely adjustable cantilever formwork system as described in the first aspect includes the following steps: Step A: Install the first I-beam, scaffold boards, and guardrails between the two tripods on the ground to form a tripod operating platform; Step B: Simultaneously assemble the template, the second I-beam, and the transverse main back ribs on the ground to form the template system; Step C: Install and fix the vertical main back rib, fine-tuning device, adjustable triangular support, adjusting seat, and movable scaffold with casters on the tripod operating platform; wherein, the bottom of the vertical main back rib is connected to the fine-tuning gear and the back of the vertical main back rib is connected to one end of the adjustable triangular support, and the movable scaffold with casters is fixedly connected to the vertical main back rib and connected to the other end of the adjustable triangular support; Step D: The entire frame, including the tripod operating platform, formed in step C, is hoisted and hooked onto the embedded parts in the lower structural concrete; wherein, two tripods are connected to the embedded parts in the structural concrete. Step E: Increase the reserved structural space by using the fine-tuning device, and use the tripod operating platform and the movable scaffold with casters as a platform to tie the structural steel bars; Step F: After the reinforcement is tied, the formwork system assembled in Step B is hoisted into place, and the formwork system is adjusted to the designed structural size position by the fine adjustment device. The structural concrete is then poured. The horizontal main back rib of the formwork system is placed on the adjustment seat fixed on the tripod operating platform, and the adjustment seat is adjusted vertically.

[0016] In one or more alternative embodiments, step A further includes: Step A1: Two tripods are made of steel profiles. The first I-beam and scaffold boards are laid on the two tripods and connected by clamps.

[0017] In one or more alternative embodiments, step B further includes: Step B1: Make a template using wooden templates, make a second I-beam using I-beams, and make a transverse main back rib using double channel steel.

[0018] In one or more alternative embodiments, step C further includes: Step C1: The movable scaffold with casters is fixedly connected to the vertical main back beam using the first fastener. A fine-tuning device is installed at the bottom of the vertical main back beam and connected to the tripod platform.

[0019] In one or more alternative embodiments, step D further includes: Step D1: During the construction of the lower concrete structure, embed the pre-embedded parts into the structure and install the threaded rod with a nut on the exposed side of the concrete.

[0020] In one or more alternative embodiments, step E further includes: Step E1: Use a regular torque wrench to adjust the fine-tuning device to increase the reserved space in the structure, and then start tying the structural steel bars.

[0021] In one or more alternative embodiments, step F further includes: Step F1: Connect the horizontal main back rib to the vertical main back rib with adjustable triangular support using the second fastener, and adjust the position of the formwork relative to the structural concrete using the adjusting seat.

[0022] The beneficial effects of this invention are as follows: The adjustable cantilever formwork system of this embodiment avoids the increased risk of water leakage caused by the tie rods in the structure. Only a regular torque wrench is needed to adjust the fine-tuning device. The setting of the adjustable triangular support and the fine-tuning device can be adjusted to adjust the distance between the formwork and the concrete structure in both vertical and vertical directions, as well as the tilt angle of the formwork relative to the concrete structure. To ensure sufficient space for rebar tying, the fine-tuning device is operated with a wrench to increase the reserved space in the structure. The fine-tuning device is adjusted with a wrench to position the formwork in the design requirements, and the adjustable triangular support is used to adjust the formwork 11 to an appropriate angle. The transverse main back rib of the formwork system rests on the adjustment seat fixed on the tripod operating platform. The vertical adjustment of the adjustment seat can adjust the formwork in the vertical direction.

[0023] The cantilever formwork system construction method of this embodiment can avoid the increased risk of water leakage caused by the connection of tie rods through the structure. It provides a finely adjustable cantilever formwork system that only requires the use of a common torque wrench to adjust the fine-tuning device. The adjustable triangular support and the fine-tuning device can adjust the vertical and vertical distance between the formwork and the concrete structure, as well as the tilt angle of the formwork relative to the concrete structure. To ensure sufficient space for rebar tying, the fine-tuning device is operated with a wrench to increase the reserved space in the structure. The fine-tuning device is adjusted with a wrench to position the formwork in the design requirements, and the adjustable triangular support is used to adjust the formwork 11 to an appropriate angle. The transverse main back rib of the formwork system rests on the adjustment seat fixed on the tripod operating platform. The vertical adjustment of the adjustment seat can adjust the formwork in the vertical direction. Attached Figure Description

[0024] Figure 1 A schematic diagram of the installation structure of the adjustable cantilever formwork system during the rebar tying stage; Figure 2 This is a schematic diagram of the installation structure of the adjustable cantilever formwork system during the template installation phase. Figure 3 This is a schematic diagram of the horizontal fine-tuning of the mold frame system; Figure 4 This is a structural diagram of the first and second fasteners.

[0025] In the diagram: 1. Two tripods; 2. Clamps; 3. First I-beam; 4. Scaffold boards; 5. Guardrails; 6. Adjustable triangular supports; 7. Movable scaffold with casters; 8. Concrete structure; 9. Embedded parts; 10. Fine-tuning gears; 11. Templates; 12. Adjustment seats; 13. Vertical main back brace; 14. First fastener; 15. Horizontal main back brace; 16. Second fastener; 17. Second I-beam; 18. Support legs. Detailed Implementation

[0026] The technical solution of the present invention will now be clearly and completely described in conjunction with the accompanying drawings and specific embodiments.

[0027] like Figure 1 , Figure 2 The diagram shows the installation structure of an adjustable cantilever formwork system according to the present invention during the rebar tying and formwork installation stages. The adjustable cantilever formwork system of the present invention includes a tripod 1, clamps 2, a first I-beam 3, scaffold boards 4, guardrails 5, adjustable triangular supports 6, a movable scaffold with casters 7, embedded parts 9, fine-tuning gears 10, formwork 11, adjusting seats 12, vertical main back ribs 13, first fasteners 14, horizontal main back ribs 15, second fasteners 16, and a second I-beam 17.

[0028] Two tripods 1 are connected and secured by erecting and fixing a first I-beam 3, scaffold boards 4, and guardrails 5 to form an operating platform. The first I-beam 3 and the scaffold boards 4 are connected by clamps 2, such as ordinary torque wrenches. There can be two or more first I-beams 3. The bottom inner side of the two tripods 1 is equipped with support legs 18, which are close to the structural wall of the overall operating platform.

[0029] The embedded part 9 is embedded in the structural concrete 8, and the outer side of the concrete is a detachable climbing cone. The tripod 1 is connected to the embedded part 9, preferably by a snap-fit ​​connection, which facilitates installation and removal.

[0030] Template 11 and the second I-beam 17 are connected by nails and then connected to the horizontal main back rib 15 by snap fasteners; the horizontal main back rib 15 is connected to the vertical main back rib 13 with adjustable triangular support 6, preferably by a second fastener 16, the structure of which is as follows: Figure 4 As shown. The back of the vertical main back rib 13 is connected to the adjustable triangular support 6, and the other end of the adjustable triangular support 6 is connected to the movable scaffold 7 with casters. The movable scaffold 7 with casters can be used as a rebar tying platform. The movable scaffold 7 with casters is fixedly connected to the vertical main back rib 13, preferably by a first fastener 14, the structure of which is as follows. Figure 4As shown. A fine-tuning device 10 is provided at the bottom of the vertical main back rib 13, and the fine-tuning device 10 is connected to the tripod platform. Under the action of the fine-tuning device, the movable scaffold 7 with casters can move with the fine-tuning of the vertical main back rib 13. The fine-tuning device is preferably a fine-tuning gear. When adjusting the fine-tuning device 10, a common torque wrench is required. The adjustable triangular support 6 and the fine-tuning device can adjust the distance between the formwork 11 and the concrete structure and the tilt angle of the formwork 11.

[0031] The horizontal main back rib (15) is placed on the adjustment seat 12, and the adjustment seat 12 is adjusted vertically.

[0032] The two tripods 1 are preferably made of steel profiles; the template 11 is a wooden template; the second I-beam 17 (secondary back rib) is an I-beam; the horizontal main back rib 15 and the vertical main back rib 13 are preferably made of double channel steel, and more preferably made of double-jointed 10# channel steel.

[0033] During the construction of the lower concrete structure 8, the embedded parts 9 are embedded in the structure, and the threaded rods with nuts are installed on the exposed concrete side.

[0034] Step A: Connect and fix the two tripods 1, the first I-beam 3, the scaffold board 4, and the guardrail 5 on the ground using clamps 2 to form a tripod operating platform.

[0035] Step B: Simultaneously, pre-assemble template 11, the second I-beam 17, and the transverse main back rib 15 on the ground to form a template system, such as... Figure 1 As shown.

[0036] Step C: Install and fix the vertical main back rib 13, fine-tuning gear 10, adjustable triangular support 6, adjusting seat 12, and movable scaffolding with casters 7 onto the tripod operating platform.

[0037] Step D: The frame structure formed in step C, including the tripod operating platform, is hoisted and hooked onto the embedded part (9) in the lower structure concrete (8).

[0038] Step E: To ensure sufficient space for rebar tying, such as... Figure 3 As 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.

[0039] 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.

[0040] 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 finely adjustable cantilever formwork system device, characterized in that, include: The tripod operating platform includes two tripods, which are connected to embedded parts in the lower structure concrete. A vertical main back rib, a fine-tuning device, an adjustable triangular support, and a movable scaffold with casters are installed and fixed on the tripod operating platform. The bottom of the vertical main back rib is connected to the fine-tuning gear, and the back of the vertical main back rib is connected to one end of the adjustable triangular support. The movable scaffold with casters is fixedly connected to the vertical main back rib and to the other end of the adjustable triangular support. Template systems, including templates pre-assembled on the ground; Among them, a tripod operating platform and a movable scaffold with casters are used as a rebar binding platform; under the action of the fine adjustment device, the movable scaffold with casters moves with the fine adjustment of the vertical main back rib; by using a wrench to adjust the fine adjustment device, the formwork can be positioned to the position required by the design. The setting of the triangular support and the fine adjustment device can be adjusted to adjust the distance between the formwork and the concrete structure and the tilt angle of the formwork.

2. The adjustable cantilever formwork system device as described in claim 1, characterized in that, The tripod operating platform also includes a first I-beam, scaffold boards, and guardrails installed between the two tripods. The first I-beam and scaffold boards are laid on the two tripods and connected by clamps.

3. The adjustable cantilever formwork system device as described in claim 2, characterized in that, The two tripods are equipped with support legs on the inner bottom to keep the overall operating platform close to the structural wall, and the two tripods are equipped with guardrails. The fine-tuning device is a fine-tuning gear, and the triangular support and fine-tuning gear can be adjusted using a common torque wrench.

4. The adjustable cantilever formwork system device as described in claim 3, characterized in that, An adjusting seat and a second fastener are also installed and fixed on the tripod operating platform. The horizontal main back rib and the vertical main back rib are connected by the second fastener. The formwork system also includes a second I-beam and a horizontal main back rib pre-assembled with the formwork on the ground. The horizontal main back rib rests on the adjusting seat, which is used for vertical adjustment.

5. The adjustable cantilever formwork system device as described in claim 4, characterized in that, The template is connected to the second I-beam with nails and then connected to the transverse main back beam with clips.

6. The adjustable cantilever formwork system device as described in claim 5, characterized in that, The horizontal main back rib is placed on the adjusting seat and is vertically adjusted through the adjusting seat; the vertical main back rib and the horizontal main back rib are made of double channel steel.

7. The adjustable cantilever formwork system device as described in claim 6, characterized in that, The vertical and horizontal main back ribs are made of double-layered 10# channel steel.

8. The adjustable cantilever formwork system device as described in claim 1, characterized in that, The embedded part is a detachable climbing cone on the outside of the structural concrete, and the two tripods are connected to the embedded part by a snap-fit ​​method.

9. The adjustable cantilever formwork system device as described in claim 1, characterized in that, The embedded parts are embedded in the lower concrete structure, and a threaded rod with a nut is installed on the exposed side of the concrete.

10. The adjustable cantilever formwork system device as described in claim 1, characterized in that, The movable scaffold with casters is fixedly connected to the vertical main back beam by the first fastener.

11. The adjustable cantilever formwork system device as described in claim 2, characterized in that, The first I-beam is connected to the scaffold plank using a standard torque wrench.

12. A construction method for a cantilever formwork system, characterized in that, The adjustable cantilever formwork system device as described in any one of claims 1-11 includes the following steps: Step A: Install the first I-beam, scaffold boards, and guardrails between the two tripods on the ground to form a tripod operating platform; Step B: Simultaneously assemble the template, the second I-beam, and the transverse main back ribs on the ground to form the template system; Step C: Install and fix the vertical main back rib, fine-tuning device, adjustable triangular support, adjusting seat, and movable scaffold with casters on the tripod operating platform; wherein, the bottom of the vertical main back rib is connected to the fine-tuning gear and the back of the vertical main back rib is connected to one end of the adjustable triangular support, and the movable scaffold with casters is fixedly connected to the vertical main back rib and connected to the other end of the adjustable triangular support; Step D: The entire frame, including the tripod operating platform, formed in step C, is hoisted and hooked onto the embedded parts in the lower structural concrete; wherein, two tripods are connected to the embedded parts in the structural concrete. Step E: Increase the reserved structural space by using the fine-tuning device, and use the tripod operating platform and the movable scaffold with casters as a platform to tie the structural steel bars; Step F: After the reinforcement is tied, the formwork system assembled in Step B is hoisted into place, and the formwork system is adjusted to the designed structural size position by the fine adjustment device. The structural concrete is then poured. The horizontal main back rib of the formwork system is placed on the adjustment seat fixed on the tripod operating platform, and the adjustment seat is adjusted vertically.

13. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step A also includes: Step A1: Two tripods are made of steel profiles. The first I-beam and scaffold boards are laid on the two tripods and connected by clamps.

14. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step B also includes: Step B1: Make a template using wooden templates, make a second I-beam using I-beams, and make a transverse main back rib using double channel steel.

15. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step C also includes: Step C1: The movable scaffold with casters is fixedly connected to the vertical main back beam using the first fastener. A fine-tuning device is installed at the bottom of the vertical main back beam and connected to the tripod platform.

16. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step D also includes: Step D1: During the construction of the lower concrete structure, embed the pre-embedded parts into the structure and install the threaded rod with a nut on the exposed side of the concrete.

17. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step E also includes: Step E1: Use a regular torque wrench to adjust the fine-tuning device to increase the reserved space in the structure, and then start tying the structural steel bars.

18. The construction method of the cantilever formwork system as described in claim 12, characterized in that, Step F also includes: Step F1: Connect the horizontal main back rib to the vertical main back rib with adjustable triangular support using the second fastener, and adjust the position of the formwork relative to the structural concrete using the adjusting seat.

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