A guide wall pouring formwork inner bracing type support structure

Abstract

The utility model relates to tunnel engineering construction technology field, concretely relates to a kind of inner bracing type support structure of guide wall pouring formwork, it include: guide wall steel frame and lower formwork, guide wall steel frame is arc arch structure, lower formwork is supported in the below guide wall steel frame, and lower formwork is arc arch structure;Multiple inner bracing units, each inner bracing unit is mutually spliced, and it is arranged along the arc direction of guide wall steel frame;Each inner bracing unit includes: vertical adjusting rod, vertical adjusting rod is fixedly connected with guide wall steel frame, and vertical adjusting rod one end is fixed on lower formwork;Upper formwork and upper support frame, upper support frame is installed on upper formwork, and upper support frame can be erected on guide wall steel frame above upper formwork;Vertical adjusting rod penetrates upper support frame and upper formwork, and vertical adjusting rod can be fixed on upper support frame by upper formwork compression tightly.The utility model effectively supports and fixes from inside to upper formwork of guide wall, without external scaffold.

Description

Technical Field

[0001] This utility model relates to the field of tunnel engineering construction technology, and in particular to an internal support structure for guide wall casting template. Background Technology

[0002] When constructing tunnel entrances or underground engineering entrances, it is usually necessary to first pour guide walls, which serve to guide and position the subsequent tunnel construction. Guide walls are mostly curved structures, and the installation and fixing of their formwork is a challenge in construction.

[0003] Existing guide wall formwork includes arched upper and lower formwork, forming a cavity between them for pouring. During construction, the arched formwork is basically assembled from a large number of small formwork pieces to form the arc, making formwork fixing relatively difficult. Therefore, external full-span scaffolding or diagonal bracing is usually used to fix and support the upper and lower formwork separately. However, tunnel construction is often carried out at the foot of mountains in complex terrain and narrow spaces, making the erection of large scaffolding relatively difficult. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a structure that effectively supports and fixes the template on the guide wall from the inside without the need for external scaffolding.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] An internal support structure for a guide wall casting template includes: a guide wall steel frame and a lower template, wherein the guide wall steel frame has an arc-shaped arch structure, the lower template is supported below the guide wall steel frame, and the lower template also has an arc-shaped arch structure; multiple internal support units, which are spliced ​​together and arranged along the arc direction of the guide wall steel frame; each internal support unit includes: a vertical adjusting rod, which is fixedly connected to the guide wall steel frame, and one end of the vertical adjusting rod is fixed to the lower template; an upper template and an upper support frame, wherein the upper support frame is installed on the upper template and can support the upper template above the guide wall steel frame; the vertical adjusting rod passes through the upper support frame and the upper template, and can press and fix the upper template to the upper support frame.

[0007] Based on the above-mentioned technical means, this utility model can effectively support and fix the upper template of the guide wall from the inside by setting up a guide wall steel frame, a lower template, and multiple interconnected internal support units arranged along the arc direction of the guide wall steel frame. It eliminates the need for external scaffolding, effectively overcomes the problem of difficulty in fixing the template due to site limitations, provides convenient conditions for construction, and ensures the stability of the template during the pouring process, thus guaranteeing the construction quality of the guide wall.

[0008] The vertical adjustment rod in the internal support unit is fixedly connected to the guide wall steel frame and one end is fixed to the lower formwork. At the same time, it passes through the upper support frame and the upper formwork and presses the upper formwork tightly and fixes it to the upper support frame. This connection and fixing method makes the entire support structure a whole, which enhances the stability and reliability of the structure and effectively prevents the formwork from deforming or shifting during the pouring process.

[0009] Furthermore, the upper support frame includes a first arc-shaped mesh and a second arc-shaped mesh. The first arc-shaped mesh is located below the upper template and is used to support the upper template. The second arc-shaped mesh is located above the upper template and is used to press the upper template.

[0010] According to the above technical means, in this utility model, the first arc-shaped mesh is located below the upper template and bears the supporting role. It can effectively disperse the load borne by the upper template, ensure the stability of the upper template during construction, avoid template deformation or damage due to load concentration, and ensure the forming quality of the construction structure.

[0011] In this invention, the second arc-shaped mesh is located above the upper template. Its clamping function can further fix the position of the upper template, effectively preventing the template from floating or shifting during concrete pouring and other construction processes, thus improving the accuracy of template installation and enhancing the quality and reliability of the entire construction project.

[0012] Furthermore, both the first arc-shaped mesh and the second arc-shaped mesh are steel reinforcement meshes.

[0013] Based on the aforementioned technical methods, the reinforcing steel has high strength and toughness. When supporting the upper formwork, the first arc-shaped mesh can effectively disperse the load transmitted from the upper formwork by virtue of the tensile and compressive strength of the reinforcing steel, transforming concentrated force into uniformly distributed force, reducing local stress concentration, thereby enhancing the structural stability of the entire upper support frame, improving its load-bearing capacity, and ensuring that the upper formwork will not deform or be damaged due to excessive load during construction.

[0014] The second arc-shaped mesh, acting as a component to compress the upper formwork, utilizes the rigidity and plasticity of the steel mesh to tightly conform to the arc-shaped surface of the upper formwork. During construction, the steel mesh applies uniform and stable pressure to the upper formwork, effectively preventing displacement, floating, or deformation of the formwork due to external forces such as concrete pouring. This allows for precise control of the formwork's position and shape, ensuring that the dimensional accuracy and shape of the construction structure meet design requirements and improving project quality.

[0015] Furthermore, it also includes a nut; the vertical adjusting rod is a bolt, and the bolt has a thread on one end of the upper support frame; the nut is adapted to the thread, and the nut can abut against the second arc-shaped mesh, so that the upper template can be pressed tightly during the tightening of the nut along the thread.

[0016] Based on the aforementioned technical methods, the vertical adjustment rod uses bolts with threads at one end, coupled with a suitable nut, enabling precise adjustment of the tightness of the upper formwork. During construction, workers can precisely control the contact force between the nut and the second arc-shaped mesh by rotating the nut up and down along the thread, according to actual needs. This allows the upper formwork to be tightened to the ideal state, effectively avoiding problems such as formwork deformation and poor concrete pouring quality caused by excessive or insufficient clamping force, thus improving construction accuracy and quality.

[0017] Meanwhile, the combination of bolts and nuts has high strength and stability. After the nuts are tightened, they can firmly connect the upper support frame to the upper formwork, effectively resisting various external forces generated during construction, such as the lateral pressure during concrete pouring and the vibration of the vibrator, ensuring that the formwork system does not loosen or shift during construction, thus guaranteeing construction safety.

[0018] Furthermore, it also includes a pressure distribution component, which is installed between the nut and the second arc-shaped mesh, and the pressure distribution component can evenly transfer the tightening load of the nut to the second arc-shaped mesh.

[0019] According to the aforementioned technical means, the pressure distribution component is installed between the nut and the second arc-shaped mesh. Its key function is to disperse the concentrated load generated when the nut is tightened. In traditional connection methods, the nut acts directly on the second arc-shaped mesh, which easily leads to stress concentration at the contact point, resulting in excessive local stress and potentially causing deformation or even damage to the second arc-shaped mesh. The pressure distribution component increases the contact area between the nut and the second arc-shaped mesh, distributing the concentrated load more evenly across the contact surface of the second arc-shaped mesh, making the stress distribution more uniform, effectively avoiding local stress concentration problems, and improving the structural stability and reliability of the entire upper support frame.

[0020] Furthermore, the pressure distribution component includes a connector and at least two steel pipes, each steel pipe being perpendicularly connected to the connector, the connector being connected to a nut, and each steel pipe being connected to the second arc-shaped mesh; each steel pipe is horizontally arranged and extends along the length direction of the guide wall steel frame.

[0021] Based on the aforementioned technical methods, the pressure distribution component employs at least two steel pipes, each abutting against the nut and the second arc-shaped mesh. This design creates a clear and stable pressure transmission path. The horizontally positioned steel pipes extend along the length of the guide wall steel frame, effectively distributing and transmitting the tightening load of the nut evenly to a larger area of ​​the second arc-shaped mesh. Compared to a single pressure transmission method, the combination of multiple steel pipes significantly enhances the overall structural stability, reduces the risk of structural deformation and damage caused by localized stress concentration, and ensures the reliable operation of the upper support frame during construction.

[0022] Furthermore, it also includes a backing plate, through which the bolts are fixed to the lower template.

[0023] Based on the aforementioned technical means, this utility model incorporates a backing plate to secure the bolts to the lower formwork, significantly enhancing the connection stability between the bolts and the lower formwork. The backing plate increases the contact area between the bolts and the lower formwork, allowing for a more even distribution of tensile and shear forces on the bolts under external loads, reducing localized stress concentration. This effectively prevents localized damage to the lower formwork or bolt loosening and breakage caused by stress concentration, thus ensuring the stability and safety of the entire structure and providing reliable support for subsequent construction and long-term structural use.

[0024] Furthermore, it also includes a fastener, through which the pad is fixedly connected to the lower template.

[0025] Based on the above technical means, the pad is fixedly connected to the lower template with the help of fasteners, which significantly enhances the stability of the overall structure.

[0026] Furthermore, a pouring gate is formed on the upper template.

[0027] Based on the aforementioned technical methods, a pouring port is set in the upper formwork, providing a precise and convenient channel for concrete pouring. During the pouring process, the concrete can flow evenly and smoothly into the interior of the formwork through the pouring port, effectively avoiding quality problems such as segregation and layering of the concrete during pouring.

[0028] Furthermore, it also includes a bottom support, which is supported on the undisturbed soil and connected to the lower formwork.

[0029] Using the aforementioned technical methods, the bottom support is placed on the undisturbed soil and connected to the lower formwork, forming a stable support system. The bottom support effectively transfers the load to the undisturbed soil, ensuring the stability of the lower formwork during construction.

[0030] The beneficial effects achieved by this utility model are:

[0031] This utility model, by setting up a guide wall steel frame, a lower template, and multiple interconnected internal support units arranged along the arc direction of the guide wall steel frame, can effectively support and fix the upper template of the guide wall from the inside, eliminating the need for external scaffolding. This effectively overcomes the problem of difficulty in fixing the template due to site limitations, providing convenient conditions for construction. At the same time, it ensures the stability of the template during the pouring process and guarantees the construction quality of the guide wall.

[0032] The vertical adjustment rod in the internal support unit is fixedly connected to the guide wall steel frame and one end is fixed to the lower formwork. At the same time, it passes through the upper support frame and the upper formwork and presses the upper formwork tightly and fixes it to the upper support frame. This connection and fixing method makes the entire support structure a whole, which enhances the stability and reliability of the structure and effectively prevents the formwork from deforming or shifting during the pouring process. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0034] Figure 2 This is an elevation view of the present invention in its installed state;

[0035] Figure 3 This is a plan view of the installation state of this utility model.

[0036] Among them, 1. Guide wall steel frame;

[0037] 2. Lower template;

[0038] 3. Vertical adjustment rod;

[0039] 4. Upper formwork; 41. Pouring gate;

[0040] 5. Upper support frame; 51. First arc-shaped mesh; 52. Second arc-shaped mesh;

[0041] 6. Pressure distribution components; 61. Connecting components; 62. Steel pipes;

[0042] 7. Pad;

[0043] 8. Fasteners;

[0044] 9. Bottom support;

[0045] 10. Nuts.

[0046] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The same or similar reference numerals correspond to the same or similar components. The terms describing positional relationships in the drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. Detailed Implementation

[0047] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific embodiments should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0048] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0049] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0050] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium.

[0051] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0052] The technical solution of this embodiment will be described in detail below with reference to the accompanying drawings.

[0053] like Figure 1 and Figure 2As shown, a guide wall casting formwork internal support structure includes: a guide wall steel frame 1 and a lower formwork 2, the guide wall steel frame 1 having an arc-shaped arch structure, the lower formwork 2 being supported below the guide wall steel frame 1, and the lower formwork 2 also having an arc-shaped arch structure; multiple internal support units, each internal support unit being spliced ​​together and arranged along the arc direction of the guide wall steel frame 1; each internal support unit includes: a vertical adjusting rod 3, the vertical adjusting rod 3 being fixedly connected to the guide wall steel frame 1, and one end of the vertical adjusting rod 3 being fixed to the lower formwork 2; an upper formwork 4 and an upper support frame 5, the upper support frame 5 being installed on the upper formwork 4, and the upper support frame 5 being able to support the upper formwork 4 above the guide wall steel frame 1; the vertical adjusting rod 3 passing through the upper support frame 5 and the upper formwork 4, the vertical adjusting rod 3 being able to press and fix the upper formwork 4 to the upper support frame 5.

[0054] This embodiment, by setting up a guide wall steel frame 1, a lower template, and multiple interconnected internal support units arranged along the arc direction of the guide wall steel frame 1, can effectively support and fix the upper template 4 of the guide wall from the inside, eliminating the need for external scaffolding. This effectively overcomes the problem of difficulty in fixing the template due to site limitations, providing convenient conditions for construction. At the same time, it ensures the stability of the template during the pouring process and guarantees the construction quality of the guide wall.

[0055] The vertical adjustment rod 3 in the internal support unit is fixedly connected to the guide wall steel frame 1 and one end is fixed to the lower template 2. At the same time, it passes through the upper support frame 5 and the upper template 4 and presses the upper template 4 tightly to the upper support frame 5. This connection and fixing method makes the entire support structure form a whole, which enhances the stability and reliability of the structure and effectively prevents the template from deforming or shifting during the pouring process.

[0056] The specific setup process for this embodiment is as follows:

[0057] Install the guide wall steel frame 1 according to the marked axis position, and assemble the lower template 2 along the arc direction of the guide wall steel frame 1. The templates are connected by bolts or clips.

[0058] An internal support unit is installed on the guide wall steel frame 1. Specifically, the vertical adjusting rod 3 is fixedly connected to the guide wall steel frame 1, which can be done by electric welding or bolt fastening to ensure a firm connection. The upper formwork 4 is erected above the guide wall steel frame 1 through the upper support frame 5 and fixedly connected to the vertical adjusting rod 3, so that the vertical adjusting rod 3 passes through the upper support frame 5 and the upper formwork 4.

[0059] like Figure 1 and Figure 2As shown, the upper support frame 5 includes a first arc-shaped mesh 51 and a second arc-shaped mesh 52. The first arc-shaped mesh 51 is located below the upper template 4 and is used to support the upper template 4. The second arc-shaped mesh 52 is located above the upper template 4 and is used to press the upper template 4.

[0060] In this embodiment, the first arc-shaped mesh 51 is located below the upper template 4 and bears the supporting role. It can effectively disperse the load borne by the upper template 4, ensure the stability of the upper template 4 during construction, avoid deformation or damage of the template due to concentrated load, and ensure the forming quality of the construction structure.

[0061] In this embodiment, the second arc-shaped mesh 52 is located above the upper template 4. Its clamping function can further fix the position of the upper template 4, effectively preventing the template from floating or shifting during concrete pouring and other construction processes, improving the accuracy of template installation, and thus enhancing the quality and reliability of the entire construction project.

[0062] like Figure 3 As shown, both the first arc-shaped mesh 51 and the second arc-shaped mesh 52 are steel meshes.

[0063] The reinforcing mesh possesses high strength and toughness. When supporting the upper formwork 4, the first arc-shaped mesh 51 can effectively disperse the load transmitted from the upper formwork by virtue of the tensile and compressive strength of the reinforcing steel, transforming concentrated force into uniformly distributed force, reducing local stress concentration, thereby enhancing the structural stability of the entire upper support frame 5, improving its load-bearing capacity, and ensuring that the upper formwork will not deform or be damaged due to excessive load during construction.

[0064] The second arc-shaped mesh 52 serves as a component for pressing down the upper formwork 4. The rigidity and plasticity of the steel mesh allow it to fit tightly against the arc-shaped surface of the upper formwork. During construction, the steel mesh can apply uniform and stable pressure to the upper formwork 4, effectively preventing the formwork from shifting, floating, or deforming due to external forces such as concrete pouring. It precisely controls the position and shape of the formwork, ensuring that the dimensional accuracy and shape of the construction structure meet design requirements, and improving project quality.

[0065] In this embodiment, the reinforcing mesh is made of steel bars with a diameter of 16-20 mm, welded according to the thickness and curvature of the guide wall. It can be prefabricated in a standardized manner in the factory. On the construction site, the first arc-shaped mesh 51 and the second arc-shaped mesh 52 can be quickly installed and disassembled, reducing the time for on-site processing and adjustment and improving construction efficiency.

[0066] like Figure 1As shown, it also includes a nut 10; the vertical adjustment rod 3 is a bolt, and the bolt has a thread on one end of the upper support frame 5; the nut 10 is adapted to the thread, and the nut 10 can abut against the second arc-shaped mesh 52, so that the upper template 4 can be pressed tightly during the tightening of the nut 10 along the thread.

[0067] The vertical adjustment rod 3 uses a bolt with a thread at one end, and is fitted with a suitable nut 10, enabling precise adjustment of the tightness of the upper template 4. During construction, workers can precisely control the contact force between the nut 10 and the second arc-shaped mesh 52 by rotating the nut 10 up and down along the thread, according to actual needs. This allows the upper template 4 to be tightened to the ideal state, effectively avoiding problems such as template deformation and poor concrete pouring quality caused by excessive or insufficient clamping force, thus improving construction accuracy and quality.

[0068] Meanwhile, the combination of bolts and nuts 10 has high strength and stability. After the nuts 10 are tightened, they can firmly connect the upper support frame 5 and the upper formwork 4 together, effectively resisting various external forces generated during construction, such as the lateral pressure during concrete pouring and the vibration of the vibrator, ensuring that the formwork system does not loosen or shift during construction, thus ensuring construction safety.

[0069] In this embodiment, this technology makes the installation and disassembly of the upper template 4 more convenient and efficient. During installation, simply pass the bolts through the corresponding holes in the upper support frame 5, then screw on the nuts 10 and adjust to the appropriate position to complete the initial fixing of the template. During disassembly, simply rotate the nuts 10 in the opposite direction to easily loosen the connection between the template and the support frame, facilitating the removal and reuse of the template. This convenient installation and disassembly method greatly shortens the construction cycle, improves construction efficiency, and reduces labor costs.

[0070] It is easy to see that, under different construction environments and engineering needs, bolts and nuts of different specifications and materials can be selected according to the actual situation to meet the requirements of different strengths, corrosion resistance, etc.

[0071] like Figure 1 and Figure 3 As shown, it also includes a pressure distribution component 6, which is installed between the nut 10 and the second arc-shaped mesh 52. The pressure distribution component 6 can evenly transfer the tightening load of the nut 10 to the second arc-shaped mesh 52.

[0072] The pressure distribution component 6 is installed between the nut 10 and the second arc-shaped mesh 52. Its key function is to disperse the concentrated load generated when the nut 10 is tightened. In traditional connection methods, the nut 10 acts directly on the second arc-shaped mesh 52, which easily leads to stress concentration at the contact point, resulting in excessive local stress and potentially causing deformation or even damage to the second arc-shaped mesh 52. The pressure distribution component 6 increases the contact area between the nut 10 and the second arc-shaped mesh 52, distributing the concentrated load more evenly across the contact surface of the second arc-shaped mesh 52, making the stress distribution more uniform, effectively avoiding local stress concentration, and improving the structural stability and reliability of the entire upper support frame 5.

[0073] like Figure 1 and Figure 3 As shown, the pressure distribution component 6 includes a connector 61 and at least two steel pipes 62. Each steel pipe 62 is perpendicularly connected to the connector 61. The connector 61 is connected to the nut 10. Each steel pipe 62 is connected to the second arc-shaped mesh 52. Each steel pipe 62 is horizontally arranged and extends along the length of the guide wall steel frame 1.

[0074] The pressure distribution component 6 employs at least two steel pipes 61, each of which abuts against the nut 10 and the second arc-shaped mesh 52. This design creates a clear and stable pressure transmission path. The steel pipes 61 are horizontally positioned and extend along the length of the guide wall steel frame 1, effectively distributing and transmitting the tightening load of the nut 10 evenly to a larger area of ​​the second arc-shaped mesh 5-2. Compared to a single pressure transmission method, the combination of multiple steel pipes 61 significantly enhances the overall stability of the structure, reduces the risk of structural deformation and damage caused by localized stress concentration, and ensures the reliable operation of the upper support frame 5 during construction.

[0075] In this embodiment, steel pipe 61 is used as a component of the pressure distribution element 6, which has high adaptability and flexibility. Steel pipe 61 has good strength and rigidity, and can be selected and combined according to different construction loads and working conditions. At the same time, the length of steel pipe 61 can be adjusted according to the actual dimensions of the guide wall steel frame 1, facilitating construction, installation, and disassembly. Furthermore, the design with multiple steel pipes 61 can be increased or decreased as needed to adapt to engineering projects of different scales and complexities, providing more possibilities for optimizing and adjusting construction plans.

[0076] During construction, workers can easily place the steel pipe 61 between the nut 10 and the second arc-shaped mesh 52 for accurate positioning and fixation. Simultaneously, the smooth surface of the steel pipe 61 prevents the accumulation of debris, facilitating daily cleaning and maintenance. If the steel pipe 61 is damaged during use, it can be replaced promptly without significantly impacting the construction progress.

[0077] like Figure 1 As shown, it also includes a pad 7, and bolts are fixed to the lower template 2 through the pad 7.

[0078] In this embodiment, a backing plate 7 is used to fix the bolts to the lower template 2, greatly enhancing the connection stability between the bolts and the lower template 2. The backing plate 7 increases the contact area between the bolts and the lower template 2, allowing for a more even distribution of tensile and shear forces on the bolts when subjected to external loads, reducing localized stress concentration. This effectively avoids problems such as localized damage to the lower template 2 or bolt loosening and breakage caused by stress concentration, thus ensuring the stability and safety of the entire structure and providing reliable support for subsequent construction and long-term structural use.

[0079] When bolts are directly fixed to the lower template 2, localized damage such as scratches and dents may occur to the template surface during tightening or under stress. In this embodiment, the pad 7 serves as an intermediate buffer layer, preventing direct contact between the bolts and the lower template 2 and reducing such damage. Simultaneously, the pad 7 also provides some corrosion and rust prevention, protecting the lower template 2 from environmental erosion, thereby extending its service life and reducing project costs.

[0080] like Figure 1 As shown, it also includes a fastener 8, and the pad 7 is fixedly connected to the lower template 2 through the fastener 8.

[0081] The pad 7 is fixedly connected to the lower template 2 by means of the fastener 8, which significantly enhances the stability of the overall structure.

[0082] The types and specifications of fasteners 8 are diverse. Appropriate fasteners 8 (such as screws in this embodiment) can be selected according to different engineering needs and construction conditions to achieve the connection between the pad 7 and the lower template 2.

[0083] like Figure 3 As shown, a pouring opening is formed on the upper template 4.

[0084] The upper formwork 4 is equipped with a pouring port 41, providing a precise and convenient channel for concrete pouring. During the pouring process, the concrete can flow evenly and smoothly into the interior of the formwork through the pouring port 41, effectively avoiding quality problems such as segregation and layering of the concrete during pouring.

[0085] like Figure 2 As shown, it also includes a bottom support 9, which is supported on the undug soil and connected to the lower formwork 2.

[0086] The bottom support 9 rests on the undisturbed soil and is connected to the lower formwork 2, forming a stable support system. The bottom support 9 effectively transfers the load to the undisturbed soil, ensuring the stability of the lower formwork 2 during construction.

[0087] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A type of internal support structure for a guide wall casting formwork, characterized in that, include: The guide wall steel frame (1) and the lower template (2) are provided. The guide wall steel frame (1) has an arc-shaped arch structure, and the lower template (2) is supported below the guide wall steel frame (1). The lower template (2) also has an arc-shaped arch structure. Multiple internal support units are spliced ​​together and arranged along the arc direction of the guide wall steel frame (1); Each of the aforementioned internal support units includes: A vertical adjustment rod (3) is fixedly connected to the guide wall steel frame (1), and one end of the vertical adjustment rod (3) is fixed on the lower template (2); The upper template (4) and the upper support frame (5) are installed on the upper template (4) and the upper support frame (5) can support the upper template (4) above the guide wall steel frame (1). The vertical adjustment rod (3) passes through the upper support frame (5) and the upper template (4), and the vertical adjustment rod (3) can press and fix the upper template (4) onto the upper support frame (5).

2. The internal support structure for a guide wall casting template according to claim 1, characterized in that, The upper support frame (5) includes a first arc-shaped mesh (51) and a second arc-shaped mesh (52). The first arc-shaped mesh (51) is located below the upper template (4) and is used to support the upper template (4). The second arc-shaped mesh (52) is located below the upper template (4) and is used to press the upper template (4) together.

3. The internal support structure for a guide wall casting template according to claim 2, characterized in that, Both the first arc-shaped mesh (51) and the second arc-shaped mesh (52) are steel meshes.

4. The internal support structure for a guide wall casting template according to claim 2, characterized in that, It also includes a nut (10); the vertical adjustment rod (3) is a bolt, and the bolt is threaded on one end of the upper support frame (5); the nut (10) is adapted to the thread, and the nut (10) can abut against the second arc-shaped mesh (52), so that the upper template (4) can be pressed tightly during the tightening of the nut (10) along the thread.

5. The internal support structure for a guide wall casting template according to claim 4, characterized in that, It also includes a pressure distribution component (6), which is installed between the nut (10) and the second arc-shaped mesh (52). The pressure distribution component (6) can evenly transfer the tightening load of the nut (10) to the second arc-shaped mesh (52).

6. The internal support structure for a guide wall casting template according to claim 5, characterized in that, The pressure distribution component (6) includes a connector (61) and at least two steel pipes (62), each of the steel pipes (62) being perpendicularly connected to the connector (61); the connector (61) is connected to a nut (10), and each of the steel pipes (62) is connected to the second arc-shaped mesh (52); each of the steel pipes (62) is horizontally arranged and extends along the length direction of the guide wall steel frame (1).

7. The internal support structure for a guide wall casting template according to claim 4, characterized in that, It also includes a pad (7), through which the bolt is fixed to the lower template (2).

8. The internal support structure for a guide wall casting formwork according to claim 7, characterized in that, It also includes a fastener (8), through which the pad (7) is fixedly connected to the lower template (2).

9. The internal support structure for a guide wall casting template according to claim 1, characterized in that, A pouring opening (41) is formed on the upper template (4).

10. The internal support structure for a guide wall casting template according to claim 1, characterized in that, It also includes a bottom support (9), which is supported on the undug soil and connected to the lower template (2).

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