Self-propelled template system for special-shaped top plate structure

The self-propelled formwork system for special-shaped roof structures solves the problems of aggregate accumulation and low efficiency in the construction of large-section curved structures, achieving high-quality concrete pouring and improved construction efficiency.

CN223423290UActive Publication Date: 2025-10-10CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP +2
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Patent Information

Application Number
CN202422721558.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-10-10
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

The construction space of large-section curved structures is limited, which easily leads to aggregate accumulation, affecting the quality of concrete pouring and appearance, and the construction efficiency of traditional formwork is low.

Method used

A self-propelled formwork system is used for special-shaped roof structures, including formwork components, support components, gantry and mobile system. The concrete pouring range is controlled by grouting holes and working windows, and the gantry is driven by a reduction motor to ensure the concrete molding effect.

Benefits of technology

It effectively avoids aggregate accumulation, improves the quality of concrete pouring, ensures the molding effect, and can move to the next working surface by itself, thereby improving construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a self-propelled formwork system for a special-shaped top plate structure, which comprises a formwork assembly, a formwork assembly and a formwork assembly, the formwork assembly comprises a top formwork and a side formwork which are vertically spliced and adjacent to each other, the adjacent top formworks are horizontally spliced to form an arch in a surrounding manner, grouting holes are formed in the splicing positions, and working windows are formed in the top formwork and the side formwork; the supporting assembly comprises a top die stand column which is vertically supported below the top die; the lower ends of the top die stand columns are fixedly connected to the top die cross beams, the top die cross beams transversely extend to be fixedly connected with the top dies on the two sides, and the inner sides of the side dies are fixedly connected with one ends of the supporting lead screws. The portal frame is arranged below the cross beam, and the other end of the supporting lead screw is fixed on the portal frame; and the moving system is mounted below the door frame. The concrete pouring range can be effectively controlled, the aggregate accumulation phenomenon caused by single-path pouring of concrete is avoided, the concrete pouring quality is improved, the concrete forming effect is ensured, and the concrete pouring device can automatically move to the next working face after construction is completed.
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Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to a self-propelled formwork system for a special-shaped top plate structure. Background Art

[0002] With the development of underground transportation and the increasing demand for aesthetically pleasing architecture, large-span, special-shaped structures are increasingly being used. Curved structures are becoming increasingly common in projects such as housing, stations, and tunnels. However, large-section curved structures are complex and difficult to construct, necessitating formwork selection and concrete application. These structures also face limited construction space, leading to aggregate accumulation and cold joints during pouring, severely impacting the quality and appearance of the concrete. Furthermore, using traditional formwork requires repeated assembly and disassembly, resulting in low construction efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a self-propelled formwork system for special-shaped roof structures. The utility model can effectively control the concrete pouring range, avoid aggregate accumulation caused by concrete pouring in a single path, improve the concrete pouring quality, ensure the concrete molding effect, and can automatically move to the next working surface after construction.

[0004] In order to solve the above problems, a self-propelled formwork system for special-shaped roof structures is adopted, which includes:

[0005] The formwork assembly includes adjacent top forms and side forms spliced ​​up and down, the adjacent top forms are spliced ​​left and right to form an arch, grouting holes are provided at the splicing positions, and working windows are provided on the top forms and side forms;

[0006] The support assembly includes a top mold column, which is vertically supported below the top mold; the lower end of the top mold column is fixed to the top mold crossbeam, the top mold crossbeam extends laterally and is fixed to the top molds on both sides, and the inner side of the side mold is fixed to one end of the support screw;

[0007] A door frame is provided below the crossbeam, and the other end of the support screw is fixed to the door frame;

[0008] Mobile system, which is installed under the mast.

[0009] With this structure, the formwork components are assembled into an arched shell, which can be spaced around the bottom contour of the structure to reserve space for the concrete lining to be poured. Concrete is poured through the working window and cement mortar is poured through the grouting holes to fill it.

[0010] As a further improvement of the present invention, the grouting holes include a first grouting hole and a second grouting hole, the first grouting hole has a specification of Ф42mm, and the second grouting hole has a specification of Ф125mm.

[0011] With such a structure, the first grouting hole is a reserved secondary grouting hole.

[0012] As a further improvement of the present invention, the specification of the working window 15 is 500mm×500mm.

[0013] With such a structure, the working windows set at intervals can be cast independently according to the casting area.

[0014] As a further improvement of the present invention, the portal frame includes an upper longitudinal beam, which is longitudinally padded under the top mold beam; the upper longitudinal beam is fixedly connected to the crossbeam; the bottom surface of the upper crossbeam is fixedly connected to the crossbeam column, and the lower end of the crossbeam column is fixedly connected to the lower crossbeam; the two ends of the lower crossbeam are fixedly connected to the columns, and the lower crossbeam and the columns are fixed with diagonal braces, the lower end of the column is fixed to the bottom longitudinal beam, and scissor legs between the columns and longitudinal beams between the columns are arranged between the columns, and the horizontally adjacent crossbeams are fixedly connected by the longitudinal beams between the crossbeams.

[0015] With such a structure, the door frame is more stable.

[0016] As a further improvement of the present invention, the moving system includes a reduction motor providing driving force, a transmission chain driven by an output gear of the reduction motor, and a traveling wheel driven by the transmission chain.

[0017] Adopting such a structure can drive the door frame to move.

[0018] As a further improvement of the present invention, the mobile system further includes a walking control console for controlling the reduction motor, and the walking control console is installed on the gantry.

[0019] Adopting such a structure is beneficial to controlling the movement of the door frame.

[0020] As a further improvement of the present invention, a C-shaped groove is provided on one side of the top mold, and a T-shaped protrusion adapted thereto is provided on the other side; a sealing gasket is provided between the top molds, a grouting pipe is sleeved in the sealing gasket, the grouting pipe serves as the grouting hole, and the bottom end of the grouting pipe has a flange tightly attached to the surface of the sealing gasket.

[0021] With such a structure, the sealing gasket improves the sealing performance of the template assembly, and the C-shaped groove and the T-shaped protrusion are easy to splice.

[0022] As a further improvement of the present invention, the C-shaped groove portion includes a wedge groove section and a straight groove section, and the T-shaped protrusion first enters the wedge groove section and then enters the straight groove section, so that the T-shaped protrusion produces a lateral displacement, allowing the sealing gasket to be tightened.

[0023] Adopting such a structure facilitates the compression of the sealing gasket.

[0024] As a further improvement of the present invention, the splicing structure between the side molds and the top mold is consistent with the splicing structure between the top molds.

[0025] With such a structure, the connection between the side mold and the top mold is also tighter.

[0026] The utility model can effectively control the concrete pouring range, avoid the aggregate accumulation phenomenon caused by concrete pouring in a single path, improve the concrete pouring quality, ensure the concrete molding effect, and can move to the next working surface by itself after construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall side view of the embodiment.

[0028] Figure 2 It is a side view of the template of the embodiment.

[0029] Figure 3 This is a template expansion diagram of an embodiment.

[0030] Figure 4 It is an overall front view of the embodiment.

[0031] Figure 5 It is a side view of the door frame of the embodiment.

[0032] Figure 6 It is the splicing structure of the top mold.

[0033] Figure 7 It is a schematic diagram of the cross-sectional structure of the C-shaped groove.

[0034] Figure numerals: 1. Formwork assembly; 11. First grouting hole; 12. Second grouting hole; 13. Top form; 131. C-shaped groove; 1311. Wedge groove section; 1312. Straight groove section; 132. T-shaped protrusion; 14. Side form; 15. Working window; 2. Support assembly; 21. Top form column; 22. Top form crossbeam; 23. Support screw; 3. Door frame; 31. Upper longitudinal beam; 32. Crossbeam; 33. Column between crossbeams; 34. Column; 35. Diagonal brace; 36. Bottom longitudinal beam; 37. Scissor legs between columns; 38. Longitudinal beam between crossbeams; 39. Longitudinal beam between columns; 4. Moving system; 5. Sealing gasket; 6. Grouting pipe; 61. Flange. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes and should not be understood as indicating or implying relative importance; in addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Example 1

[0038] like Figure 1-Figure 7 As shown, a self-propelled formwork system for a special-shaped roof structure comprises:

[0039] The formwork assembly 1 includes adjacent top forms 13 and side forms 14 spliced ​​together from top to bottom. The adjacent top forms 13 are spliced ​​together from left to right to form an arch shape. Grouting holes are provided at the splicing positions. Working windows 15 are provided on the top forms 13 and side forms 14.

[0040] The support assembly 2 includes a top mold column 21, which is vertically supported below the top mold 13; the lower end of the top mold column 21 is fixed to the top mold beam 22, and the top mold beam 22 extends laterally and is fixed to the top molds 13 on both sides, and the inner side of the side mold 14 is fixed to one end of the support screw rod 23; the top mold column 21 is made of 20# I-steel.

[0041] The door frame 3 is arranged below the crossbeam 22, and the other end of the support screw 23 is fixed to the door frame 3;

[0042] The moving system 4 is installed below the gantry 3 .

[0043] With such a structure, the formwork assembly 1 is assembled into an arched shell, which can be spaced around the bottom contour of the structure to reserve space for concrete lining to be poured. Concrete is poured through the working window and cement mortar is poured through the grouting holes to fill it. The top formwork 13 and side formwork 14 are made of 1.5m wide steel plates.

[0044] In this embodiment, the grouting holes include a first grouting hole 11 and a second grouting hole 12. The first grouting hole 11 has a specification of Ø42 mm, and the second grouting hole 12 has a specification of Ø125 mm.

[0045] With such a structure, the first grouting hole 11 is a reserved secondary grouting hole.

[0046] In this embodiment, the working windows 15 have a size of 500 mm x 500 mm. The longitudinal spacing between the working windows 15 should not be greater than 3 m, and the transverse spacing should not be greater than 2.5 m. In this embodiment, the spacing between the working windows 15 is 2 m x 1.5 m.

[0047] With such a structure, the working windows 15 arranged at intervals can be independently selected for pouring according to the pouring area.

[0048] In this embodiment, the portal frame 3 includes an upper longitudinal beam 31, which is longitudinally padded under the top mold beam 22; the upper longitudinal beam 31 is fixedly connected to the crossbeam 32; the bottom surface of the upper crossbeam 32 is fixedly connected to the crossbeam column 33, and the lower end of the crossbeam column 33 is fixedly connected to the lower crossbeam 32; the two ends of the lower crossbeam 32 are fixedly connected to the columns 34, and the lower crossbeam 32 and the columns 34 are fixed by diagonal braces 35, and the lower end of the column 34 is fixed to the bottom longitudinal beam 36, and the column 34 is provided with an inter-column scissor leg 37 and an inter-column longitudinal beam 39, and the horizontally adjacent crossbeams 32 are fixedly connected by the inter-beam longitudinal beam 38.

[0049] With such a structure, the door frame is more stable.

[0050] In this embodiment, the moving system 4 includes a reduction motor providing driving force, a transmission chain driven by the output gear of the reduction motor, and a traveling wheel driven by the transmission chain. The reduction motor is a 7.5 kW motor.

[0051] Adopting such a structure can drive the door frame to move.

[0052] In this embodiment, the moving system 4 further includes a travel control console for controlling the reduction motor, and the travel control console is installed on the gantry 3 .

[0053] Adopting such a structure is beneficial to controlling the movement of the door frame.

[0054] In this embodiment, a C-shaped groove 131 is provided on one side of the top mold 13, and a T-shaped protrusion 132 adapted thereto is provided on the other side; a sealing gasket 5 is provided between the top molds 13 and 13, and a grouting pipe 6 is sleeved in the sealing gasket 5. The grouting pipe 6 serves as the grouting hole, and the bottom end of the grouting pipe 6 has a flange 61 that is tightly attached to the surface of the sealing gasket 5, and the grouting pipe 6 passes through the horizontal plate in the middle of the T-shaped protrusion 132.

[0055] With such a structure, the sealing gasket 5 improves the sealing performance of the template assembly, and the C-shaped groove portion 131 and the T-shaped protrusion 132 are easy to splice.

[0056] In this embodiment, the C-shaped groove portion 131 includes a wedge groove section 1311 and a straight groove section 1312. The T-shaped protrusion 132 first enters the wedge groove section 132 and then enters the straight groove section 1312, so that the T-shaped protrusion 132 produces a lateral displacement, allowing the sealing gasket 5 to be compressed.

[0057] Such a structure facilitates the compression of the sealing gasket 5 .

[0058] In this embodiment, the splicing structure between the side molds 14 and the top mold 13 is consistent with the splicing structure between the top molds 13 .

[0059] With such a structure, the connection between the side mold 14 and the top mold 13 is also tighter.

[0060] The construction method of this embodiment is carried out according to the following steps:

[0061] 1) The portal frame is assembled on site and all parts are connected together by bolts.

[0062] Furthermore, the centerline, cross-section and clearance dimensions should be checked during on-site assembly.

[0063] 2) The template needs to be installed from the middle position in sequence with the top formwork installed alternately on the left and right top forms. After the installation is completed, the side formwork needs to be installed from the middle position in sequence with the left and right side formwork installed alternately.

[0064] Furthermore, after the template is assembled, check the appearance quality of the template to confirm that the template gap, misalignment, and straightness errors meet the requirements.

[0065] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For those skilled in the art of the present invention, it is possible to make several equivalent substitutions or obvious modifications without departing from the concept of the present invention, and the performance or use are the same, and all of them should be considered to fall within the scope of protection of the present invention.

Claims

1. A self-propelled formwork system for special-shaped roof structures, characterized in that include: A template assembly (1) includes adjacent top molds (13) and side molds (14) spliced ​​together in an upper and lower manner, wherein the adjacent top molds (13) are spliced ​​together in a left and right manner to form an arch shape, grouting holes are provided at the splicing positions, and working windows (15) are provided on the top molds (13) and the side molds (14); The support assembly (2) includes a top mold column (21) vertically supported below the top mold (13); the lower end of the top mold column (21) is fixedly connected to the top mold crossbeam (22); the top mold crossbeam (22) extends transversely and is fixedly connected to the top molds (13) on both sides; the inner side of the side mold (14) is fixedly connected to one end of the support screw rod (23); A door frame (3) is arranged below the crossbeam (22), and the other end of the support screw rod (23) is fixed on the door frame (3); The moving system (4) is installed below the door frame (3).

2. The self-propelled formwork system for special-shaped roof structures according to claim 1 is characterized in that The grouting holes include a first grouting hole (11) and a second grouting hole (12); the first grouting hole (11) has a specification of Ø42 mm, and the second grouting hole (12) has a specification of Ø125 mm.

3. The self-propelled formwork system for special-shaped roof structures according to claim 1 is characterized in that The specification of the working window (15) is 500mm×500mm.

4. The self-propelled formwork system for special-shaped roof structures according to claim 1 is characterized in that The door frame (3) includes an upper longitudinal beam (31), which is longitudinally padded below the top mold crossbeam (22); the upper longitudinal beam (31) is fixedly connected to the crossbeam (32); the bottom surface of the upper crossbeam (32) is fixedly connected to the crossbeam inter-beam column (33), and the lower end of the crossbeam inter-beam column (33) is fixedly connected to the lower crossbeam (32); both ends of the lower crossbeam (32) are fixedly connected to the columns (34), and the lower crossbeam (32) and the columns (34) are fixed by using diagonal braces (35), and the lower end of the columns (34) is fixedly connected to the bottom longitudinal beam (36), and column scissor legs (37) and column longitudinal beams (39) are provided between the columns (34), and the horizontally adjacent crossbeams (32) are fixedly connected by the crossbeam inter-beam longitudinal beam (38).

5. The self-propelled formwork system for special-shaped roof structures according to claim 1 is characterized in that The moving system (4) comprises a reduction motor for providing driving force, a transmission chain driven by an output gear of the reduction motor, and a traveling wheel driven by the transmission chain.

6. The self-propelled formwork system for special-shaped roof structures according to claim 5, characterized in that The moving system (4) also includes a walking control console for controlling the reduction motor, and the walking control console is installed on the door frame (3).

7. The self-propelled formwork system for special-shaped roof structures according to claim 1 is characterized in that A C-shaped groove (131) is provided on one side of the top mold (13), and a T-shaped protrusion (132) adapted thereto is provided on the other side; a sealing gasket (5) is provided between the top mold (13), a grouting pipe (6) is sleeved in the sealing gasket (5), the grouting pipe (6) serves as the grouting hole, and the bottom end of the grouting pipe (6) has a flange (61) that is tightly attached to the surface of the sealing gasket (5).

8. The self-propelled formwork system for special-shaped roof structures according to claim 7, characterized in that The C-shaped groove portion (131) includes a wedge groove section (1311) and a straight groove section (1312). The T-shaped protrusion (132) first enters the wedge groove section (132) and then enters the straight groove section (1312), so that the T-shaped protrusion (132) produces a lateral displacement, allowing the sealing gasket (5) to be compressed.

9. The self-propelled formwork system for special-shaped roof structures according to claim 8, characterized in that The splicing structure between the side mold (14) and the top mold (13) is consistent with the splicing structure between the top molds (13).