Cantilever plate adjustable supporting device and construction method thereof

Abstract

The invention discloses a cantilever plate adjustable supporting device and a construction method thereof, and the cantilever plate adjustable supporting device comprises a length-adjustable bottom die, the bottom die is provided with a head end and a tail end which are opposite to each other, and the head end is connected with a rotating shaft; the two ends of the rotating shaft penetrate through inner rings of the bearings respectively, radian scale marks are formed on outer rings of the bearings, the radian scale marks are arranged in the circumferential direction of the outer rings, the inner rings are provided with indicating needles, and the indicating needles are aligned to the radian scale marks; the baffle is mounted at the tail end, and the baffle is vertically arranged; and the supporting structure is supported in the middle of the bottom die. The problems that an existing cantilever plate is poured through a common formwork, and the installation and construction efficiency is low are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and particularly relates to an adjustable support device for a cantilever slab and a construction method thereof. Background Art

[0002] A cantilever slab is a part extended from the main structure of a building. It has only one end supported or fixed as the root connected to the main body of the building structure for force transmission, and the other end is a suspended end. Due to the force characteristics of the cantilever slab, in the existing support frames for building cantilever slabs, different lengths of cantilever slabs may result in insufficient support for the cantilever slab, and it is prone to overturn during the pouring process, thus affecting the construction progress. At the same time, the lengths of the cantilever concrete slabs are different. At the end, it is narrower, and at the root, it is wider. There will be an angle formed between the bottom of the cantilever concrete slab and the vertical plane. When using general formwork, precise calculation is required during installation and disassembly, which reduces work efficiency and brings certain difficulties and inconveniences to the construction. Summary of the Invention

[0003] In order to overcome the defects existing in the prior art, the present invention provides an adjustable support device for a cantilever slab and a construction method thereof to solve the problem of low installation and construction efficiency when using general formwork for pouring existing cantilever slabs.

[0004] To achieve the above object, an adjustable support device for a cantilever slab is provided, including:

[0005] A bottom formwork with adjustable length, the bottom formwork having an opposite head end and a tail end, and the head end being connected with a rotating shaft;

[0006] Bearings, both ends of the rotating shaft are respectively penetrated through the inner rings of the bearings, the outer rings of the bearings are formed with radian scale lines, the radian scale lines are arranged along the circumferential direction of the outer ring, and an indicating needle is provided on the inner ring, and the indicating needle is aligned with the radian scale lines;

[0007] A baffle plate, installed at the tail end, and the baffle plate is vertically arranged;

[0008] A support structure, supporting the middle part of the bottom formwork.

[0009] Further, the bottom formwork includes:

[0010] A fixed module, one end of the fixed module is connected to the rotating shaft, and a sliding rod is installed at the other end of the fixed module;

[0011] An active module, one end of the active module is formed with a receiving slot, the active module is provided with a strip-shaped chute arranged along the length direction of the active module, the strip-shaped chute communicates with the receiving slot, the other end of the fixed module is movably inserted into the receiving slot, the sliding rod slides in the strip-shaped chute, and the supporting structure supports the bottom of the active module;

[0012] A locking member for locking the fixed module is installed on the active module.

[0013] Further, at the end of the sliding rod outside the strip-shaped chute, the locking member is adjustably installed on the sliding rod, and the locking member presses against the outside of the active plate.

[0014] Further, the end of the sliding rod is formed with an external thread, the locking member is provided with a threaded hole, and the threaded hole of the locking member is screwed onto the end of the sliding rod.

[0015] Further, the other end of the sliding rod is formed with an external thread, the side of the fixed module is provided with a plurality of threaded holes, the plurality of threaded holes are arranged at intervals along the length direction of the strip-shaped chute, and the other end of the sliding rod is screwed into a threaded hole of the fixed module.

[0016] Further, the baffle is provided with height scale lines, and the height scale lines are arranged along the height direction of the baffle.

[0017] The present invention provides a construction method for an adjustable support device for a cantilever slab, including the following steps:

[0018] Fix and level the outer ring of the bearing at the head end of the bottom form.

[0019] Based on the inclination of the bottom surface of the cantilever slab, rotate the bottom form so that the inclination of the bottom form adapts to the inclination of the bottom surface of the cantilever slab;

[0020] Based on the width of the cantilever slab, adjust the length of the bottom form so that the length of the bottom form adapts to the width of the cantilever slab;

[0021] Install the supporting structure so that the supporting structure supports the middle part of the bottom form;

[0022] Install the baffle at the tail end of the bottom form, the baffle is arranged vertically, and a pouring space is enclosed between the baffle and the bottom form;

[0023] Pour concrete in the pouring space to solidify and form the cantilever slab.

[0024] The beneficial effects of the present invention are as follows. The adjustable support device for the cantilever slab of the present invention can adjust the inclination angle of the bottom form through a bearing, use the arc scale line on the bearing to indicate the inclination of the bottom form, and then cooperate with the length adjustment of the bottom form, which is suitable for the in-situ construction of cantilever concrete slabs in different scenarios. When installing the adjustable support device for the cantilever slab of the present invention, the inclination angle and length are adjusted through the bearing and the bottom form, which improves the construction efficiency of the cantilever slab and reduces the difficulties and inconveniences of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Other features, objects, and advantages of the present application will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0026] Figure 1 FIG. is a schematic structural diagram of the adjustable support device for the cantilever slab according to an embodiment of the present invention.

[0027] Figure 2 FIG. is a schematic structural diagram of the bottom form according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related invention and are not intended to limit the invention. In addition, it should be noted that only the parts related to the invention are shown in the drawings for the convenience of description.

[0029] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.

[0030] Refer to Figure 1 and Figure 2 As shown, the present invention provides an adjustable support device for a cantilever slab, including: a bottom form 1, a bearing 2, a baffle 3, and a support structure 4.

[0031] In this embodiment, the bottom surface of the cantilever slab is inclined, so that the thickness of the entire cantilever slab. The cantilever slab has a relative fixed end and a cantilever end. The thickness of the cantilever slab gradually decreases from the fixed end to the cantilever end.

[0032] The length of the bottom form 1 is adjustable. The bottom form is arranged along the width direction of the cantilever slab. The bottom form 1 has a relative head end and a tail end. A rotating shaft 11 is connected to the head end of the bottom form 1.

[0033] The specific structure of the bearing 2 is the prior art, so it will not be described in detail here. Both ends of the rotating shaft 11 are respectively inserted into the inner ring 21 of the bearing 2. An arc scale line is formed on the outer ring 22 of the bearing 2. The arc scale line is arranged along the circumferential direction of the outer ring 22. An indicating needle is provided on the inner ring 21. The indicating needle is aligned with the arc scale line. During construction, first level the outer ring of the bearing, and then fix the outer ring.

[0034] The baffle 3 is installed at the end of the bottom mold 1. The baffle 3 is arranged vertically. The height of the baffle is greater than the thickness of the cantilever end of the cantilever slab.

[0035] The support structure 4 supports the middle part of the bottom mold 1.

[0036] As a preferred embodiment, the bottom mold 1 includes: a fixed module 12, a movable module 13, and a locking member 14.

[0037] One end of the fixed module 12 is connected to the rotating shaft 11. A sliding rod 121 is installed at the other end of the fixed module 12. One end of the movable module 13 forms a receiving slot. The movable module 13 is provided with a strip-shaped chute arranged along the length direction of the movable module 13. The strip-shaped chute communicates with the receiving slot. The other end of the fixed module 12 is movably inserted into the receiving slot. The sliding rod 121 slides in the strip-shaped chute. The support structure 4 supports the bottom of the movable module 13.

[0038] The locking member 14 is installed on the movable module 13. The locking member 14 is used to lock the fixed module 12.

[0039] In this embodiment, the end of the sliding rod 121 is outside the strip-shaped chute. The locking member 14 is installed on the sliding rod 121 with adjustable position. The locking member 14 presses against the outside of the movable plate.

[0040] In this embodiment, the end of the sliding rod 121 is formed with an external thread. The locking member 14 is provided with a threaded hole. The threaded hole of the locking member 14 is screwed onto the end of the sliding rod 121.

[0041] As a preferred embodiment, the other end of the sliding rod 121 is formed with an external thread. A plurality of threaded holes are provided on the side of the fixed module 12. The plurality of threaded holes are arranged at intervals along the length direction of the strip-shaped chute. The other end of the sliding rod 121 is screwed into a threaded hole of the fixed module 12.

[0042] Preferably, the baffle 3 is provided with a height scale line. The height scale line is arranged along the height direction of the baffle 3.

[0043] The adjustable support device for the cantilever slab of the present invention enables the inclination angle of the bottom formwork to be adjusted through bearings, uses the arc scale lines on the bearings to indicate the inclination of the bottom formwork, and then, in combination with the length adjustment of the bottom formwork, is applicable to the in-situ construction of cantilever concrete slabs in different scenarios. When installing the adjustable support device for the cantilever slab of the present invention, the inclination angle and the length are adjusted through the bearings and the bottom formwork, improving the construction efficiency of the cantilever slab and reducing the difficulties and inconveniences of construction.

[0044] The adjustable support device for the cantilever slab of the present invention can be repeatedly installed and used, saving construction cost expenses such as formwork installation and demolition. There are scales marked on the concrete slab, which can be adjusted according to different size requirements. The adjustable support device for the cantilever slab of the present invention has a low investment, and has the advantages of low danger in high-altitude operations, simple process, convenient operation, fast construction speed, high quality standards, and high degree of construction mechanization.

[0045] The present invention provides a construction method for an adjustable support device for a cantilever slab, including the following steps:

[0046] S1. Fix and level the outer ring 22 of the bearing 2 at the head end of the bottom formwork 1.

[0047] S2. Based on the inclination of the bottom surface of the cantilever slab 5, rotate the bottom formwork 1 so that the inclination of the bottom formwork 1 adapts to the inclination of the bottom surface of the cantilever slab 5.

[0048] S3. Based on the width of the cantilever slab 5, adjust the length of the bottom formwork 1 so that the length of the bottom formwork 1 adapts to the width of the cantilever slab 5.

[0049] When adjusting the length of the bottom formwork, the length of the bottom formwork is adjusted by adjusting the insertion depth of the fixing module in the receiving slot of the obtaining module. Then, the length of the bottom formwork is locked by the locking member.

[0050] S4. Install the support structure 4 so that the support structure 4 supports the middle part of the bottom formwork 1.

[0051] S5. Install the baffle 3 at the tail end of the bottom formwork 1. The baffle 3 is arranged vertically, and a pouring space is formed by enclosing between the baffle 3 and the bottom formwork 1.

[0052] S6. Pour concrete in the pouring space to solidify and form the cantilever slab 5.

[0053] The adjustable support device for the cantilever slab of the present invention aims to solve the many inconveniences in the in-situ construction process of the cantilever slab structure, provides an adjustable and highly adaptable integrated installation and disassembly design scheme, reduces the safety risks of high-altitude construction, reduces the material input of the project for the formwork support system, saves the mold making time, improves the construction efficiency of workers, and saves the construction cost.

[0054] The above description is only a preferred embodiment of the present application and an explanation of the technical principles applied. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) disclosed in the present application that have similar functions.

Claims

1. An adjustable support device for a cantilever plate, characterized in that: include: A bottom mold with adjustable length, the bottom mold having a head end and a tail end opposite to each other, the head end being connected to a rotating shaft; A bearing, wherein both ends of the rotating shaft are respectively passed through the inner ring of the bearing, the outer ring of the bearing is formed with arc scale lines, the arc scale lines are arranged along the circumferential direction of the outer ring, and an indicator needle is arranged on the inner ring, and the indicator needle is aligned with the arc scale lines; A baffle is installed at the tail end, and the baffle is arranged vertically; The supporting structure is supported at the middle part of the bottom mold.

2. The adjustable support device for cantilevered panels according to claim 1, characterized in that: The bottom mold comprises: A fixing module, one end of which is connected to the rotating shaft, and the other end of which is provided with a sliding rod; A movable module, wherein a socket is formed at one end of the movable module, the movable module is provided with a strip slide arranged along the length direction of the movable module, the strip slide is connected to the socket, the other end of the fixed module can be movably inserted into the socket, the sliding rod is slidably arranged in the strip slide, and the supporting structure is supported at the bottom of the movable module; A locking member for locking the fixed module is installed on the movable module.

3. The adjustable support device for cantilevered panels according to claim 2, characterized in that: The end of the sliding rod is outside the strip-shaped sliding groove, and the locking piece is installed on the sliding rod in an adjustable position, and the locking piece is pressed against the outer side of the movable plate.

4. The adjustable support device for cantilevered panels according to claim 3, characterized in that: The end of the sliding rod is formed with an external thread, the locking piece is provided with a threaded hole, and the threaded hole of the locking piece is screwed into the end of the sliding rod.

5. The adjustable support device for cantilevered panels according to claim 2, characterized in that: The other end of the sliding rod is formed with an external thread, and the side of the fixing module is provided with a plurality of threaded holes, which are arranged at intervals along the length direction of the strip-shaped sliding groove, and the other end of the sliding rod is screwed into a threaded hole of the fixing module.

6. The adjustable support device for cantilevered panels according to claim 1, characterized in that: The baffle is provided with a height scale line, and the height scale line is arranged along the height direction of the baffle.

7. A construction method for the adjustable support device for cantilevered panels as claimed in any one of claims 1 to 6, characterized in that: The following steps are involved: Fix and level the outer ring of the bearing at the head end of the bottom mold; Based on the inclination of the bottom surface of the cantilevered plate, rotating the bottom mold so that the inclination of the bottom mold is adapted to the inclination of the bottom surface of the cantilevered plate; Based on the width of the cantilevered plate, adjusting the length of the bottom mold so that the length of the bottom mold is adapted to the width of the cantilevered plate; Installing a support structure so that the support structure is supported at the middle of the bottom mold; Installing a baffle at the rear end of the bottom mold, the baffle is arranged vertically, and the baffle and the bottom mold enclose a casting space; Concrete is poured into the casting space and solidified to form the cantilever slab.

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