Arc-shaped concrete formwork device with finely-adjustable curvature and construction method of arc-shaped concrete formwork device
By designing a curved concrete formwork device with fine-tuning curvature, the problem that the formwork in the construction of arc-shaped concrete structures in the prior art is difficult to adapt to multiple arc-surface structures with small curvature differences in arc-shaped concrete structures, achieving efficient adaptation of the formwork and saving construction costs.
Patent Information
- Application Number
- CN202411634188.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-03-04
AI Technical Summary
It is difficult for the prior art to effectively control the elevation, axis, formwork support, steel bar binding and concrete pouring of arc-shaped concrete structures in industrial plants during construction, especially in multiple arc-surface structures with small differences in size and curvature, the formwork needs to be frequently discharged, resulting in large economic investment.
A curved concrete formwork device with finely adjustable curvature is designed, including a number of formwork, a support frame and an adjustment mechanism with arc-shaped surfaces. A cast hole is reserved between the formwork and the wall, the support is set above the formwork, and the curvature of the formwork is fine-tuned through the bolt adjustment mechanism to adapt to the structure of different design curvatures.
Through the modular template splicing and fine-tuning function of the adjustment mechanism, it can adapt to multiple arc-shaped structures with small differences in sizes and curvatures, reducing the need for repeated cutting of templates and saving material and capital investment.
Smart Images
Figure CN119553848A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of engineering construction, and in particular to an arc-shaped concrete formwork device with fine-adjustable curvature and a construction method thereof. Background Art
[0002] With the continuous development of the economy, there are many arc-shaped concrete special-shaped curved surface structures in industrial plants. It is difficult to control the elevation, axis, formwork support, steel bar binding and concrete pouring during construction. At the same time, when faced with the same batch of arc surface structures with small differences in size and curvature, the formwork has to be repeatedly cut, which results in large economic investment.
[0003] Therefore, the present invention provides a curved concrete formwork device with fine-tunable curvature and a construction method thereof. Summary of the invention
[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a curved concrete formwork device with fine-tunable curvature and a construction method thereof, so as to solve the problem that the existing formwork needs to be repeatedly cut when facing multiple curved surfaces with small differences in size and curvature built in the same batch.
[0005] The technical solution to achieve the above purpose is:
[0006] The present invention provides an arc-shaped concrete formwork device with fine-adjustable curvature, which is used for pouring concrete on a base at the bottom of multiple walls to form an arc-shaped bottom surface with different curvatures. The formwork device comprises: a plurality of formworks with arc-shaped surfaces arranged above the base, the plurality of formworks are spliced together to form an arc surface, and pouring holes are reserved between the formworks and the wall; a support frame fixed to the wall, the support frame is arranged above the formwork; and an adjustment mechanism arranged on the support frame for fine-tuning the curvature of the plurality of formworks.
[0007] Furthermore, the support frame includes: a vertical support rod arranged above the template; a plurality of first transverse support rods, one end of each of the first transverse support rods is fixedly connected to the vertical support rod, and the other end is fixedly connected to the wall; a plurality of arc-shaped support rods, the lower end of each of the arc-shaped support rods is fixedly connected to the lower end of the vertical support rod, and the upper end is fixedly connected to the first transverse support rod; a plurality of second transverse support rods whose length is shorter than that of the first transverse support rod, one end of each of the second transverse support rods is fixedly connected to the midpoint of the vertical support rod, and the other end is fixedly connected to the arc-shaped support rod.
[0008] Furthermore, there are multiple first oblique support rods, one end of each of which is fixedly connected to the midpoint of the vertical support rod, and the other end is fixedly connected to the upper end of the arc-shaped support rod; there are multiple second oblique support rods, one end of each of which is fixedly connected to the lower end of the vertical support rod, and the other end is fixedly connected to the arc-shaped support rod.
[0009] Furthermore, the adjustment mechanism includes: a plurality of bolts rotatably connected to the corresponding templates on the arc-shaped support rod, a bolt hole is opened on the arc-shaped support rod, the bolts are arranged in the bolt holes, each template corresponds to a plurality of bolts, and the inclination of a single template is controlled by screwing the plurality of bolts, thereby controlling the curvature of the overall template.
[0010] Furthermore, a bearing is provided in the template, and the lower end of the bolt is fixed on the bearing.
[0011] The present invention also provides a construction method for an arc-shaped concrete formwork device with fine-tuned curvature, which specifically includes the following steps: providing steel bars and arranging the steel bars at the position to be poured; assembling the formwork, a support frame and an adjustment mechanism, and installing them at the position to be poured after the assembly is completed; fine-tuning the curvature of the formwork to make it consistent with the designed curvature of the arc surface to be poured; pouring concrete into the formwork through the pouring holes; and when the concrete reaches the designed strength, removing the support frame and the formwork.
[0012] Furthermore, when installing the formwork, a casting hole is reserved between the formwork and the wall, and when pouring concrete, the concrete enters and is poured into the formwork through the casting hole.
[0013] Furthermore, the installation steps of the support frame and the formwork are as follows: provide a vertical support rod, a plurality of first transverse support rods, a plurality of arc-shaped support rods, a plurality of second transverse support rods, a plurality of first oblique support rods and a plurality of second oblique support rods and assemble them; after the assembly is completed, splice and install the formwork on the lower side of the arc-shaped support rod through an adjustment mechanism; then hoist the assembled device to the position to be poured, and fix the first transverse support rod to the wall.
[0014] Furthermore, before installing the template, a plurality of bolts are provided, and the bolts are screwed into the bolt holes of the arc-shaped support rod, and the lower ends of the bolts are extended from the arc-shaped support rod, and then the template is installed on the lower ends of the bolts, so that the lower ends of the bolts are fixedly connected to the bearings of the template.
[0015] Furthermore, when the curvature needs to be reduced, the corresponding bolts are turned to adjust the inclination of each template one by one, thereby changing the distance between the template and the arc support rod, so that the distance between the template and the arc support rod gradually decreases from top to bottom; when the curvature needs to be increased, the corresponding bolts are turned to adjust the inclination of each template one by one, so that the distance between the template and the arc support rod gradually increases from top to bottom.
[0016] Compared with the prior art, the present invention has the following beneficial effects:
[0017] When constructing multiple arc-shaped structures of similar sizes that are built in the same batch, modular templates are set up to splice the templates together to form an arc surface close to the design curvature of the arc structure. Before construction, the curvature of the template is fine-tuned through an adjustment mechanism to make the template adapt to structures with different design curvatures. Only one template device is needed to construct multiple arc-shaped structures, saving material and capital investment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a side sectional view of the arc-shaped concrete formwork device with fine-adjustable curvature according to the present invention.
[0019] Figure 2 It is a partial cross-sectional view of the arc-shaped concrete formwork device with fine-adjustable curvature according to the present invention.
[0020] Figure 3 The construction structure diagram of the arc-shaped concrete formwork device with fine-adjustable curvature of the present invention.
[0021] Figure 4 The top view of the curved concrete formwork device with fine-adjustable curvature according to the present invention.
[0022] Legend: 1. First horizontal support rod; 2. First oblique support steel pipe; 3. Arc support rod; 4. Bolt; 5. Formwork; 6. Vertical support rod; 7. Base; 8. Wall; 9. Second horizontal support rod; 10. Second oblique support rod. DETAILED DESCRIPTION
[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0024] See also Figure 1 The present invention provides an arc-shaped concrete formwork device with fine-tunable curvature and a construction method thereof, which solves the problem that the existing formwork needs to be repeatedly cut when facing multiple arc surfaces with small differences in size and curvature built in the same batch. When constructing multiple arc-shaped structures with similar sizes built in the same batch, modular formworks are set up to splice the formworks to form arc surfaces with a design curvature close to that of the arc-shaped structures, and the curvature of the formwork is fine-tuned by an adjustment mechanism before construction to make the formwork adapt to structures with different design curvatures, so that only one formwork device is needed to construct multiple arc-shaped structures, saving material and capital investment.
[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0026] The following is a description of an arc-shaped concrete formwork device with fine-adjustable curvature and a construction method thereof according to the present invention in conjunction with the accompanying drawings.
[0027] See also Figure 1 , showing a side cross-sectional view of the curved concrete formwork device with finely adjustable curvature according to the present invention. Figure 2 , showing a partial cross-sectional view of the arc-shaped concrete formwork device with finely adjustable curvature of the present invention. Figure 3 , showing the construction structure diagram of the arc-shaped concrete formwork device with fine-tuned curvature of the present invention. Figures 1 to 3 , an arc-shaped concrete formwork device with fine-adjustable curvature and a construction method thereof are described in the present invention.
[0028] like Figures 1 to 3 As shown, an arc-shaped concrete formwork device with fine-adjustable curvature of the present invention is used for pouring concrete on a base 7 at the bottom of multiple walls 8 to form an arc-shaped bottom surface with different curvatures. The formwork device includes: a plurality of arc-shaped formworks 5 arranged above the base 7, the plurality of formworks 5 are spliced together to form an arc surface, and pouring holes are reserved between the formworks 5 and the wall 8; a support frame fixed to the wall 8, the support frame is arranged above the formwork 5; and an adjustment mechanism arranged on the support frame for fine-tuning the curvature of the plurality of formworks 5.
[0029] In a preferred embodiment, the template 5 is made of steel.
[0030] In another preferred embodiment, the template 5 is made of wood.
[0031] In a specific embodiment, the support frame includes: a vertical support rod 6 arranged above the template 5; a plurality of first transverse support rods 1, one end of the plurality of first transverse support rods 1 is fixedly connected to the vertical support rod 6, and the other end is fixedly connected to the wall 8; a plurality of arc-shaped support rods 3, the lower end of the arc-shaped support rod 3 is fixedly connected to the lower end of the vertical support rod 6, and the upper end is fixedly connected to the first transverse support rod 1; a plurality of second transverse support rods 9 of a length less than the first transverse support rod 1, one end of the second transverse support rod 9 is fixedly connected to the midpoint of the vertical support rod 6, and the other end is fixedly connected to the arc-shaped support rod 3. By being arranged on the support frame, the support frame can support the arc-shaped template 5 in multiple directions, and at the same time, the template 5 can be installed to the designed position.
[0032] In a specific embodiment, the support frame is further reinforced with a plurality of first oblique support rods 2 and a plurality of second oblique support rods 10, wherein one end of the plurality of first oblique support rods 2 is fixedly connected to the midpoint of the vertical support rod 6, and the other end is fixedly connected to the upper end of the arc-shaped support rod 3; one end of the plurality of second oblique support rods 10 is fixedly connected to the lower end of the vertical support rod 6, and the other end is fixedly connected to the arc-shaped support rod 3. By providing the first oblique support rods 2 and the second oblique support rods 10, the support frame is further obliquely supported, thereby making the structure of the support frame more stable.
[0033] In a preferred embodiment, the vertical support rod 6, the first transverse support rod 1, the arc-shaped support rod 3, the second transverse support rod 9, the first oblique support rod 2, and the second oblique support rod 10 are all made of steel.
[0034] In another preferred embodiment, the vertical support rod 6, the first transverse support rod 1, the arc support rod 3, the second transverse support rod 9, the first oblique support rod 2, and the second oblique support rod 10 are all steel pipes.
[0035] In a specific embodiment, the adjustment mechanism includes: a plurality of bolts 4 rotatably connected to the corresponding templates 5 and arranged on the arc support rod 3, a bolt hole is opened on the arc support rod 3, and the bolts 4 are arranged in the bolt holes. Each template 5 corresponds to a plurality of bolts 4, and the inclination of a single template 5 is controlled by screwing the plurality of bolts 4, thereby controlling the curvature of the overall template 5.
[0036] In a specific embodiment, a bearing is provided in the template 5, and the lower end of the bolt 4 is fixed on the bearing. By providing the bolt 4, when the bolt 4 is turned, the bolt 4 adjusts the distance between the template 5 and the arc-shaped support rod 3, thereby adjusting the curvature of the template 5 as a whole.
[0037] More specifically, the bearing is a ball joint bearing.
[0038] In a specific embodiment, Figure 4 As shown, the device is used to pour concrete on the base 7 at the bottom of multiple circular walls 8 to form spherical surfaces with different curvatures. Multiple templates 5 are spliced together to form a template device with a spherical surface. The template 5 located at the bottom surface of the template device is a rigid plate with a curved fan shape, and the templates 5 at other parts are rigid plates with a curved fan ring shape.
[0039] The first transverse support rod 1 , the arc-shaped support rod 3 , the second transverse support rod 9 , the first oblique support rod 2 and the second oblique support rod 10 are uniformly distributed around the outer circumference of the vertical support rod 6 .
[0040] The present invention also provides a construction method for an arc-shaped concrete formwork device with fine-tuned curvature, which specifically includes the following steps: providing steel bars and arranging the steel bars at the position to be poured; assembling the formwork 5, the support frame and the adjustment mechanism, and installing them at the position to be poured after the assembly is completed; fine-tuning the curvature of the formwork 5 to make it consistent with the designed curvature of the arc surface to be poured; pouring concrete into the formwork 5 through the pouring holes; and when the concrete reaches the designed strength, removing the support frame and the formwork 5.
[0041] In a specific embodiment, when installing the formwork 5 , a casting hole is reserved between the formwork 5 and the wall 8 , and when pouring concrete, the concrete enters and is poured into the formwork 5 through the casting hole.
[0042] In a specific embodiment, the installation steps of the support frame and the formwork 5 are as follows: provide a vertical support rod 1, multiple first transverse support rods 1, multiple arc-shaped support rods 3, multiple second transverse support rods 9, multiple first oblique support rods 2 and multiple second oblique support rods 10 and assemble them; after the assembly is completed, the formwork 5 is spliced and installed on the lower side of the arc-shaped support rod 3 through an adjustment mechanism; then the assembled device is hoisted to the position to be poured, and the first transverse support rod 1 is fixed to the wall 8.
[0043] In a specific embodiment, before installing the template 5, a plurality of bolts 4 are provided, and the bolts 4 are screwed into the bolt holes of the arc-shaped support rod 3, and the lower ends of the bolts 4 are extended from the arc-shaped support rod 3, and then the template 5 is installed on the lower ends of the bolts 4, so that the lower ends of the bolts 4 are fixedly connected to the bearings of the template 5.
[0044] In a specific embodiment, the steps for fine-tuning the curvature of the template 5 are as follows: when the curvature needs to be reduced, the corresponding bolt 4 is turned to adjust the inclination of each template 5 one by one, thereby changing the distance between the template 5 and the arc support rod 3, so that the distance between the template 5 and the arc support rod 3 gradually decreases from top to bottom; when the curvature needs to be increased, the corresponding bolt 4 is turned to adjust the inclination of each template 5 one by one, so that the distance between the template 5 and the arc support rod 3 gradually increases from top to bottom.
[0045] The construction process of the arc-shaped concrete formwork device with fine-adjustable curvature of the present invention is described in detail below.
[0046] The arc bottom surface to be cast is lofted and modeled by using BIM technology to obtain the size and surface curvature of the arc bottom surface, and the template 5 and the support frame are manufactured according to the size and surface curvature.
[0047] Steel bars are arranged at the designed positions on the base 7.
[0048] The template 5 and the support frame are assembled, and the template 5 and the support frame are assisted in assembly by the layout data and on-site GPS positioning. After the assembly is completed, the template 5 and the support frame are installed, and the device is hoisted to the construction position. After the template 5 reaches the designed position, the first transverse support rod 1 is fixed to the wall 8 of the pool. When installing the template 5, a pouring hole is reserved between the template 5 and the wall 8.
[0049] Then the overall curvature of the template 5 is adjusted.
[0050] When the curvature needs to be reduced, the bolt 4 is turned to gradually reduce the distance between the template 5 and the arc-shaped support rod 3 from top to bottom; when the curvature needs to be increased, the bolt 4 is turned to gradually increase the distance between the template 5 and the arc-shaped support rod 3 from top to bottom.
[0051] After the curvature of the template 5 is adjusted, concrete is poured into the template 5 through the pouring holes.
[0052] After pouring is completed, insert the vibrator into the pouring hole to vibrate the concrete.
[0053] After the concrete reaches the designed strength, the support frame and the template 5 are removed and installed at another location to be constructed, the curvature of the template 5 is readjusted, and the above steps are repeated.
[0054] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.
Claims
1. A curved concrete formwork device with finely adjustable curvature, used for pouring concrete on a base (7) at the bottom of a plurality of walls (8) to form a circular arc bottom surface with different curvatures, characterized in that: The template device includes: A plurality of templates (5) with arc-shaped surfaces are arranged above the base (7), wherein the plurality of templates (5) are spliced together to form an arc surface, and a casting hole is reserved between the templates (5) and the wall (8); A support frame fixedly mounted on the wall (8), wherein the support frame is mounted above the template (5); An adjustment mechanism is provided on the support frame for finely adjusting the curvature of the plurality of templates (5).
2. The curved concrete formwork device with fine-tuned curvature according to claim 1, characterized in that: The support frame comprises: A vertical support rod (6) arranged above the template (5); A plurality of first transverse support rods (1), one end of each of the plurality of first transverse support rods (1) being fixedly connected to the vertical support rod (6), and the other end of each of the plurality of first transverse support rods (1) being fixedly connected to the wall (8); A plurality of arc-shaped support rods (3), wherein the lower ends of the arc-shaped support rods (3) are fixedly connected to the lower ends of the vertical support rods (6), and the upper ends of the arc-shaped support rods (3) are fixedly connected to the first transverse support rods (1); A plurality of second transverse support rods (9) having a length shorter than that of the first transverse support rod (1), wherein one end of the second transverse support rod (9) is fixedly connected to the midpoint of the vertical support rod (6), and the other end is fixedly connected to the arc-shaped support rod (3).
3. The curved concrete formwork device with fine-tuned curvature according to claim 2, characterized in that: It also includes a plurality of first oblique support rods (2) and a plurality of second oblique support rods (10) for reinforcing the support frame, wherein one end of the plurality of first oblique support rods (2) is fixedly connected to the midpoint of the vertical support rod (6), and the other end is fixedly connected to the upper end of the arc-shaped support rod (3); one end of the plurality of second oblique support rods (10) is fixedly connected to the lower end of the vertical support rod (6), and the other end is fixedly connected to the arc-shaped support rod (3).
4. The curved concrete formwork device with fine-tuned curvature according to claim 2, characterized in that: The adjustment mechanism comprises: a plurality of bolts (4) arranged on the arc-shaped support rod (3) and rotatably connected to the corresponding template (5); a bolt hole is opened on the arc-shaped support rod (3); the bolt (4) is arranged in the bolt hole; each template (5) corresponds to a plurality of bolts (4); by screwing the plurality of bolts (4), the inclination of a single template (5) is controlled, thereby controlling the curvature of the overall template (5).
5. The arc-shaped concrete formwork device with fine-tuned curvature according to claim 4, characterized in that: A bearing is provided inside the template (5), and the lower end of the bolt (4) is fixed on the bearing.
6. A construction method of the arc-shaped concrete formwork device with fine-tuned curvature according to claim 1, characterized in that: The specific steps include: Provide steel bars and lay them out at the locations to be poured; Assembling the formwork (5), the support frame and the adjustment mechanism, and installing them at the position to be poured after the assembly is completed; Fine-tuning the curvature of the template (5) to make it consistent with the designed curvature of the arc surface to be cast; pouring concrete into the formwork (5) through the pouring holes; When the concrete reaches the designed strength, the support frame and the formwork (5) are removed.
7. The construction method of the arc-shaped concrete device with fine-tuned curvature according to claim 6 is characterized in that: When installing the formwork (5), a casting hole is reserved between the formwork (5) and the wall (8), and when pouring concrete, the concrete enters the formwork (5) through the casting hole and is poured into the formwork (5).
8. The construction method of the arc-shaped concrete device with fine-tuned curvature according to claim 6 is characterized in that: The steps for installing the support frame and the template (5) are as follows: Providing a vertical support rod (1), a plurality of first transverse support rods (1), a plurality of arc-shaped support rods (3), a plurality of second transverse support rods (9), a plurality of first oblique support rods (2) and a plurality of second oblique support rods (10) and assembling them; After the assembly is completed, the template (5) is spliced and installed on the lower side of the arc-shaped support rod (3) through an adjustment mechanism; The assembled device is then hoisted to the location to be cast, and the first transverse support rod (1) is fixed to the wall (8).
9. The construction method of the arc-shaped concrete device with fine-tuned curvature according to claim 8 is characterized in that: Before installing the template (5), a plurality of bolts (4) are provided, and the bolts (4) are screwed into the bolt holes of the arc-shaped support rod (3), and the lower ends of the bolts (4) are extended from the arc-shaped support rod (3), and then the template (5) is installed on the lower ends of the bolts (4), so that the lower ends of the bolts (4) are fixedly connected to the bearings of the template (5).
10. The construction method of the arc-shaped concrete formwork device with fine-tuned curvature according to claim 9 is characterized in that: The steps of fine-tuning the curvature of the template (5) are as follows: When the curvature needs to be reduced, the corresponding bolt (4) is screwed to adjust the inclination of each template (5) one by one, thereby changing the distance between the template (5) and the arc-shaped support rod (3), so that the distance between the template (5) and the arc-shaped support rod (3) gradually decreases from top to bottom; When the curvature needs to be increased, the corresponding bolt (4) is screwed to adjust the inclination of each template (5) one by one, so that the distance between the template (5) and the arc-shaped support rod (3) gradually increases from top to bottom.