Variable camber roof sliding formwork device and construction method thereof

Abstract

The application discloses a variable-radiation roof sliding formwork device and a construction method thereof, which comprises two arc-shaped guide rails arranged oppositely, a formwork box, a plurality of unit structures, and a plurality of strip-shaped holes formed in the bottom of the formwork box. The two opposite sides of the formwork box are respectively provided with sliding members which are slidably arranged on the arc-shaped guide rails. The unit structures comprise a unit plate, a first driving rod arranged vertically and with adjustable length, and a second driving rod arranged obliquely and with adjustable length. The unit plate is arranged below the formwork box and along the width direction of the arc-shaped guide rails. The unit plates of the plurality of unit structures are continuously arranged along the length direction of the arc-shaped guide rails. The opposite sides of the unit plate are respectively hingedly connected with the first driving rod. The middle part of the first driving rod is movably arranged in the strip-shaped hole. The upper end of the first driving rod is hingedly connected with the top of the formwork box. The two ends of the second driving rod are respectively hingedly connected with the first driving rod on one side of the unit plate and the top of the formwork box. The application solves the problems of vibration difficulty and concrete aggregate sedimentation and stratification in the construction of large-volume slope roof by using double-side formwork construction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a variable-radiation roof sliding formwork device and a construction method thereof. BACKGROUND

[0002] Ordinary concrete roof engineering, when the slope is small, usually adopts single-side formwork method for construction.

[0003] When the slope roof is steep and high, but the overall volume is small, the double-side formwork method is adopted. The traditional double-side formwork method is to fix the double-side formwork by limiting screw rods, to use wooden frames as back battens under the bottom formwork, to use steel pipes as supports under the back battens, to use wooden frames as transverse keels on the surface layer board, and to use steel pipes to fasten and compress on the wooden frames. However, for large-volume pouring, the existing process technology has some defects, such as difficulty in vibrating, concrete aggregate sedimentation and stratification, etc.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present application and should not be regarded as an acknowledgment or any form of suggestion that this information forms prior art that is publicly known. SUMMARY

[0005] In order to overcome the defects of the prior art, a variable-radiation roof sliding formwork device and a construction method thereof are provided to solve the problems of difficulty in vibrating and concrete aggregate sedimentation and stratification in the double-side formwork construction of large-volume slope roofs.

[0006] In order to achieve the above-mentioned purpose, a variable-radiation roof sliding formwork device is provided, comprising:

[0007] Two arc-shaped guide rails, the two arc-shaped guide rails are oppositely arranged;

[0008] A formwork box, the opposite sides of the formwork box are respectively provided with sliding members, the sliding members are slidably arranged on the arc-shaped guide rails, and the bottom of the formwork box is provided with a plurality of strip-shaped holes, the strip-shaped holes are arranged along the length direction of the arc-shaped guide rails;

[0009] A plurality of unit structures, each of which comprises a unit plate, a first driving rod arranged vertically and adjustable in length, and a second driving rod arranged obliquely and adjustable in length, the unit plate being arranged below the mold box and along the width direction of the arc-shaped guide rail, the unit plates of the plurality of unit structures being arranged continuously along the length direction of the arc-shaped guide rail, the first driving rods being hingedly connected to the opposite sides of the unit plate, the middle part of the first driving rod being movably arranged in the strip-shaped hole, the upper end of the first driving rod being hingedly connected to the top of the mold box, the two ends of the second driving rod being hingedly connected to the first driving rod on one side of the unit plate and the top of the mold box, the first driving rod being telescopic to drive the unit plate to ascend and descend, and the second driving rod being telescopic to drive the unit plate to swing along the length direction of the arc-shaped guide rail, so that the unit plates of the plurality of unit structures are spliced to form a mold plate adapted to the arc of the sloping roof.

[0010] Further, the first driving rods are hingedly connected to the opposite ends of the unit plate.

[0011] Further, the first driving rods on the same side of one end of the unit plate are connected by a connecting rod, and one end of the second driving rod is hingedly connected to the connecting rod.

[0012] Further, the first driving rods on the adjacent sides of two adjacent unit structures are movably arranged in a strip-shaped hole.

[0013] Further, the arc of the arc-shaped guide rail is adapted to the arc of the sloping roof.

[0014] Further, the sliding member is a roller, and the roller is rotatably mounted to the side of the mold box.

[0015] Further, the opposite sides of the two arc-shaped guide rails are respectively formed with sliding grooves, and the rollers are slidably arranged in the sliding grooves.

[0016] Further, the first driving rod and the second driving rod are electric hydraulic push rods.

[0017] The present application provides a construction method of a variable-arc roof sliding mold device, comprising the following steps:

[0018] a. erecting two arc-shaped guide rails at the bottom of a building structure, so that the two arc-shaped guide rails are oppositely arranged and the arc-shaped guide rails are arranged along the direction of the slope of the sloping roof of the building structure;

[0019] b. sliding the sliding members on the opposite sides of the mold box into the two arc-shaped guide rails, respectively;

[0020] c. driving the unit plates to ascend and descend by controlling the first driving rod of the plurality of unit structures to extend and retract, and driving the unit plates to swing along the length direction of the arc-shaped guide rail by controlling the second driving rod of the plurality of unit structures to extend and retract, the unit plates of the plurality of unit structures being spliced to form a formwork adapting to the arc of the sloping roof, so that a pouring space is enclosed between the formwork and a bottom formwork of the sloping roof;

[0021] d. pouring concrete in the pouring space to consolidate to form a section of the sloping roof;

[0022] e. repeating steps c and d to pour from bottom to top to form the sloping roof section by section.

[0023] The beneficial effects of the present application are that the variable-arc roof sliding formwork device is suitable for large-span, variable-arc cross-section roof, high formwork, and external formwork construction of constant roof, which can simplify the construction, facilitate the concrete pouring and vibrating of the sloping roof, and improve the concrete pouring quality of the sloping roof. The variable-arc roof sliding formwork device is formed by splicing the unit plates of the plurality of unit structures to form a single-side formwork, the guide rail is processed from an I-beam without bending and is spliced from a straight section, which greatly reduces the construction difficulty. The variable-arc roof sliding formwork device has low precision requirements for the guide rail, the unit plates are controlled by the first driving rod and the second driving rod through the distance after on-site measurement, the design profile of the formwork and the sloping roof is ensured to be fitted, the construction difficulty and precision of the sliding rail are reduced, and the overall construction difficulty is reduced. The variable-arc roof sliding formwork device is formed by splicing the unit plates of the plurality of unit structures to form a single-side variable sliding formwork panel, the unit plates control the distance (relative position distance of the guide rail) through the first driving rod and control the direction through the second driving rod, so that the shape of the single-side variable sliding formwork panel formed by splicing is better fitted to the design curve. BRIEF DESCRIPTION OF DRAWINGS

[0024] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1 FIG. 1 is a structural schematic diagram of a variable-arc roof sliding formwork device according to an embodiment of the present application.

[0026] Figure 2 FIG. 2 is a structural schematic diagram of a form box according to an embodiment of the present application.

[0027] Figure 3 FIG. 3 is an internal structural schematic diagram of the form box according to an embodiment of the present application.

[0028] Figure 4 FIG. 4 is a structural schematic diagram of a unit structure according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] The application will be described in further detail below with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not intended to limit the application. In addition, it should be noted that only parts related to the application are shown in the drawings for ease of description.

[0030] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in further detail below with reference to the drawings and embodiments.

[0031] Referring to Figures 1 to 4 The present application provides a variable-radiation roof sliding formwork device, comprising two arc-shaped guide rails 1, a formwork box 2, and a plurality of unit structures 3.

[0032] The two arc-shaped guide rails 1 are oppositely arranged. The inner arc surfaces of the two arc-shaped guide rails 1 are upwardly arranged. In some embodiments, the arc-shaped guide rails are erected on the top of a building structure by anchor rods. The two arc-shaped guide rails are arranged along the circumferential direction of the building structure. Each arc-shaped guide rail is arranged along the sloping direction of the sloping roof of the building structure.

[0033] As a preferred embodiment, the radii of the arc-shaped guide rails 1 are adapted to the radii of the sloping roof.

[0034] The formwork box 2 is provided with sliding members 22 on opposite sides. The sliding members are slidably arranged on the arc-shaped guide rails 1. The bottom of the formwork box 2 is provided with a plurality of strip-shaped holes. The strip-shaped holes are arranged along the length direction of the arc-shaped guide rails 1.

[0035] In the present embodiment, the formwork box 2 is a cuboid box. The formwork box is arranged along the length direction of the arc-shaped guide rails. The top of the formwork box is formed with a top plate, and the bottom of the formwork box is formed with a bottom plate. The bottom plate and the top plate are oppositely arranged. The bottom plate and the top plate are connected with a side plate. The middle part of the side plate is provided with a limiting plate 21.

[0036] The limiting plate and the bottom plate are respectively provided with the strip-shaped holes. The strip-shaped holes are arranged along the length direction of the arc-shaped guide rails (along the length direction of the formwork box).

[0037] The outside of the side plate is provided with the sliding members 22. In the present embodiment, the sliding members are rollers. The rollers are rotatably arranged on the side of the formwork box 2.

[0038] As a preferred embodiment, the opposite sides of the two arc-shaped guide rails 1 are respectively formed with sliding grooves. The rollers are slidably arranged in the sliding grooves.

[0039] Each unit structure 3 comprises a unit plate 33, a first driving rod 31, and a second driving rod 32.

[0040] The lengths of the first driving rod 31 and the second driving rod 32 are adjustable. In the present embodiment, the first driving rod 31 and the second driving rod 32 are electric hydraulic push rods.

[0041] As shown in Figure 2 and Figure 1 , the first driving rod 31 is vertically arranged. The second driving rod 32 is obliquely arranged. After the second driving rod is extended or retracted, the first driving rod is also obliquely arranged.

[0042] The unit plate 33 is arranged below the mold box 2. The unit plate is long strip-shaped. The unit plate 33 is arranged along the width direction of the arc-shaped guide rail 1. The unit plates 33 of the plurality of unit structures 3 are continuously arranged along the length direction of the arc-shaped guide rail 1.

[0043] The opposite two sides of the unit plate 33 are respectively hingedly connected with the first driving rod 31. The middle part of the first driving rod 31 is movably arranged in the strip-shaped hole. The upper end of the first driving rod 31 is hingedly connected to the top of the mold box 2. The two ends of the second driving rod 32 are respectively hingedly connected to the first driving rod 31 on one side of the unit plate 33 and the top of the mold box 2. The first driving rod 31 is extended or retracted to drive the unit plate 33 to ascend or descend. The second driving rod 32 is extended or retracted to drive the unit plate 33 to swing along the length direction of the arc-shaped guide rail 1, so that the unit plates 33 of the plurality of unit structures 3 are spliced to form a mold plate adapted to the arc of the sloping roof.

[0044] As a preferred embodiment, the opposite two ends of the unit plate 33 are respectively hingedly connected with the first driving rod 31. The first driving rod is distributed on the opposite two sides in the width direction of the unit plate. In this embodiment, the opposite two ends in the length direction of the unit plate are both provided with the first driving rod.

[0045] As a preferred embodiment, the first driving rods 31 on the same side of one end of the unit plate 33 are connected with a connecting rod 34. One end of the second driving rod 32 is hingedly connected to the connecting rod 34.

[0046] Continuing to refer to Figure 3 , the first driving rods 31 on the adjacent sides of the two adjacent unit structures 3 are movably arranged in a strip-shaped hole.

[0047] The present application provides a construction method of a variable-arc roof sliding mold device, comprising the following steps:

[0048] a. The two arc-shaped guide rails 1 are erected at the bottom of the building structure, so that the two arc-shaped guide rails 1 are oppositely arranged, and the arc-shaped guide rails 1 are arranged along the direction of the slope of the sloping roof of the building structure.

[0049] b. The sliding members on the opposite two sides of the mold box 2 are respectively slid on the two arc-shaped guide rails 1.

[0050] c. By controlling the first driving rod 31 of the plurality of unit structures 3 to be telescopic to drive the unit plate 33 to be lifted and lowered, and controlling the second driving rod 32 of the plurality of unit structures 3 to be telescopic to drive the unit plate 33 to swing along the length direction of the arc-shaped guide rail 1, the unit plates 33 of the plurality of unit structures 3 are spliced to form a formwork adapting to the arc of the sloping roof, so that a pouring space is enclosed between the formwork and the bottom formwork of the sloping roof.

[0051] d. Pouring concrete in the pouring space to consolidate to form a section of the sloping roof.

[0052] e. Repeating steps c and d to pour from bottom to top to form the sloping roof section by section.

[0053] The variable-arc roof sliding formwork device of the present application is suitable for large-span, variable-arc cross-section roof, high formwork, and external formwork construction of constant roof, and can simplify the construction.

[0054] The variable-arc roof sliding formwork device of the present application forms a single-side formwork by splicing the unit plates of the plurality of unit structures, and the guide rail is processed from an I-beam without bending and splicing with straight sections, which greatly reduces the construction difficulty.

[0055] The variable-arc roof sliding formwork device of the present application has low precision requirements for the guide rail, and the unit plates are controlled by the first driving rod and the second driving rod through the distance after on-site measurement, which ensures that the formwork and the design profile of the sloping roof are fitted, reduces the construction difficulty and precision of the sliding rail, and reduces the overall construction difficulty.

[0056] The variable-arc roof sliding formwork device of the present application forms a single-side variable sliding formwork panel by splicing the unit plates of the plurality of unit structures, and the unit plates control the distance (relative guide rail position distance) through the first driving rod and control the direction through the second driving rod, so that the shape of the single-side variable sliding formwork panel formed by splicing is better fitted to the design curve.

[0057] The variable-arc roof sliding formwork device of the present application controls the position of the sliding formwork on the guide rail through the roller.

[0058] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. It should be understood by those skilled in the art that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers 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 replacing the above features with the technical features disclosed in the present application (but not limited to) having similar functions.

Claims

1. A variable-radius roofing slipform apparatus, comprising: The utility model provides a kind of slope roof formwork, including: Two arc-shaped guide rails, two the arc-shaped guide rails are oppositely arranged; Die box, the opposite sides of the die box are respectively provided with sliding element, the sliding element slides in the arc-shaped guide rail, the bottom of the die box is provided with multiple strip holes, the strip hole is arranged along the length direction of arc-shaped guide rail; Multiple unit structures, unit structure includes unit plate, vertically arranged and length adjustable first driving rod and obliquely arranged and length adjustable second driving rod, the unit plate is arranged below the die box and is arranged along the width direction of arc-shaped guide rail, multiple unit structures The unit plate of the unit structure is continuously arranged along the length direction of arc-shaped guide rail, the opposite sides of the unit plate are respectively hinged with the first driving rod, the middle part of the first driving rod is movably penetrated in the strip hole, the upper end of the first driving rod is hinged to the box top of the die box, the two ends of the second driving rod are respectively hinged to the first driving rod of one side of the unit plate and the box top, the first driving rod is telescopic to drive the unit plate to lift, the second driving rod is telescopic to drive the unit plate to swing along the length direction of arc-shaped guide rail, so that multiple unit structures The unit plate of the unit structure is spliced to form the formwork that adapts to the arc of slope roof; The opposite ends of the unit plate are respectively hinged with the first driving rod; The first driving rod of the same side of one end of the unit plate is connected with connecting rod, and one end of the second driving rod is hingedly connected to the connecting rod.

2. The variable-radius roofing slide form apparatus of claim 1, wherein, The first driving rods of the adjacent sides of two adjacent unit structures are movably penetrated in a strip hole.

3. The variable-radius roofing slide form apparatus of claim 1, wherein, The arc of the arc-shaped guide rail adapts to the arc of the slope roof.

4. The variable-radius roofing slide form apparatus of claim 1, wherein, The sliding element is a roller, and the roller is rotatably installed on the side of the die box.

5. The variable-radius roofing slide form apparatus of claim 4, wherein, Opposite sides of the two arc-shaped guide rails are respectively formed with a sliding groove, and the roller slides in the sliding groove.

6. The variable-radius roofing slide form apparatus of claim 1, wherein, The first driving rod and the second driving rod are electric hydraulic push rods.

7. A method of constructing a variable-pitch roof slipform apparatus as claimed in any one of claims 1 to 6, characterised in that, The utility model includes the following steps: a. erect two arc-shaped guide rails on the top of the building structure, so that the two arc-shaped guide rails are oppositely arranged, and the arc-shaped guide rails are arranged along the sloping direction of the slope roof of the building structure; b. slide the sliding elements on the opposite sides of the die box in the two arc-shaped guide rails; c. control the first driving rods of multiple unit structures to be telescopic to drive the unit plates to lift, and control the second driving rods of multiple unit structures to be telescopic to drive the unit plates to swing along the length direction of the arc-shaped guide rail, so that the unit plates of multiple unit structures are spliced to form a formwork that adapts to the arc of the slope roof, so that a pouring space is enclosed between the formwork and the bottom formwork of the slope roof; d. pour concrete in the pouring space to consolidate a section of slope roof; e. repeat steps c and d to pour from bottom to top to form the slope roof.

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