Narrow space bent cap formwork support

Abstract

The utility model provides a kind of narrow space bent cap template support, including travelling bridge section, pier column, support main body, pile foundation platform and bent cap template, support main body is set in pier column both sides, and is fixedly installed on pile foundation platform, support main body includes the vertical section and horizontal plate of cooperation setting, and the direction of horizontal plate both sides is symmetrically provided with auxiliary support to travelling bridge section, auxiliary support one end is fixedly set with horizontal plate, and the other end is installed in the upper end of travelling bridge section;Bent cap template is set in the upper end surface of support main body, and bent cap module is formed in bent cap main body by pouring;Compared with prior art, the utility model is provided with auxiliary support in the lower end of support main body, the lower end of auxiliary support is set on travelling bridge section, and the support main body is supported by using auxiliary support and using existing travelling bridge section, so that the use of supporting material can be reduced, and the supporting effect is better.

Description

Technical Field

[0001] This utility model relates to the field of cap beam casting technology, and in particular to a cap beam formwork support in a confined space. Background Technology

[0002] In bridge construction, the cap beam is a key component supporting the superstructure, and its construction quality directly affects the overall safety and stability of the bridge. The cap beam is typically located atop the pier, and during construction, a stable formwork support system needs to be erected around it to support the formwork, pour concrete, and bear construction loads.

[0003] Traditional formwork support systems for bridge piers, such as full-span scaffolding or large ground-supported scaffolding, typically require a large amount of flat ground space for erection and support. In confined spaces, the application of traditional scaffolding solutions faces significant challenges and shortcomings: 1. Limited Support Foundation: Large ground-supported scaffolding requires extensive foundation treatment or pile foundations, which is difficult to implement or extremely costly in space-constrained areas. 2. Large Footprint: Full-span scaffolding and similar structures occupy a significant amount of space around the piers, potentially encroaching on the safety boundaries of existing roads or facilities, affecting traffic or the safety of existing structures. 3. Stability and Safety Issues: Space constraints may lead to asymmetrical scaffolding structures, insufficient support points, or the inability to install effective lateral supports (such as diagonal braces or guy ropes), especially when the piers are high, making it difficult to guarantee the overall stability and anti-overturning capacity of the scaffolding, posing safety hazards. 4. Difficulty in Temporary Support: In the initial stages of scaffolding erection or when it is necessary to utilize existing structures (such as existing bridge spans) for temporary support, there is a lack of safe, reliable, and space-adaptable connection and fixing methods. Utility Model Content

[0004] In view of the shortcomings and defects of the existing technology, a formwork support for a cap beam in a confined space is provided. In order to achieve the purpose of better operation in a confined space, the present invention provides the following technical solution.

[0005] A formwork support for a cap beam in a confined space includes a bridge section, piers, a support body, a pile foundation platform, and a cap beam formwork. The support body is located on both sides of the piers and is fixedly installed on the pile foundation platform. The support body includes a vertical section and a horizontal plate that are configured to cooperate with each other. Auxiliary supports are symmetrically arranged on both sides of the horizontal plate in the direction of approaching the bridge section. One end of each auxiliary support is fixedly installed to the horizontal plate, and the other end is installed on the upper end of the bridge section. The cap beam formwork is located on the upper surface of the support body, and the cap beam body is formed by casting within the cap beam formwork.

[0006] Compared with the prior art, this utility model provides an auxiliary support at the lower end of the main support body, with the lower end of the auxiliary support set on the bridge section. By using the auxiliary support and utilizing the existing bridge section to support the main support body, the use of support materials can be reduced, and the support effect is better.

[0007] Furthermore, the auxiliary support includes a support rod and a connecting rod. Cast-in-place concrete is provided between the support rod and the upper end surface of the bridge section. A positioning protrusion protrudes from the upper end surface of the cast-in-place concrete, and the lower end of the support rod is engaged with the positioning protrusion.

[0008] With the above improvements, the auxiliary support includes support rods and connecting rods. Cast-in-place concrete is installed between the support rods and the upper surface of the bridge section. Since the road surface of the bridge section is not necessarily completely level, the cast-in-place concrete can keep the upper surface of the bridge section level, so that the cap beam can also be poured in a level state.

[0009] Furthermore, fixing rods are welded between the vertical sections on both sides of the pier, and connecting trusses are provided between the vertical sections on the same side.

[0010] Through the above improvements, fixing rods are welded between the vertical sections on both sides of the pier. The fixing rods make the installation of the main support structure on both sides of the pier more secure and the connection effect better. The connecting truss set between the vertical sections on the same side can improve the connection strength of the main support structure itself.

[0011] Furthermore, the lower end of the cap beam template is provided with an inclined surface, and a fixing block is provided between the cap beam template and the horizontal plate, with the inclined surface on the fixing block abutting against the inclined surface.

[0012] With the above improvements, due to the shape of the main body of the cap beam, an inclined surface is set at the lower end of the cap beam template to facilitate the formation of the main body shape of the cap beam. In addition, a fixing block is set between the cap beam template and the horizontal plate. The fixing block is used to fix the cap beam template and prevent shaking during pouring.

[0013] Furthermore, a ladder cage is provided on one side of the auxiliary support, and a connecting ladder is provided on the ladder cage. One end of the connecting ladder is fixedly installed on the ladder cage, and the other end abuts against the upper end of the main body of the cap beam.

[0014] With the above improvements, a ladder cage is set on one side of the auxiliary support. The ladder cage can play an auxiliary role in the pouring of the main body of the cap beam. A connecting ladder is set on the ladder cage, which can facilitate the pouring of the cap beam.

[0015] Furthermore, a guy rope is provided on the side of the ladder cage away from the auxiliary support, with one end of the guy rope fixed to the traveling bridge section and the other end fixed to the ladder cage.

[0016] With the above improvements, guy ropes are installed on the side of the ladder cage away from the auxiliary support, which can further improve the stability of the ladder cage connection and improve the safety of using the ladder cage during construction.

[0017] Furthermore, a fixing component is provided at the upper end of the pile foundation platform. The fixing component includes a pre-embedded steel plate, a fixing claw, and a threaded steel bar. The fixing claw and the threaded steel bar are respectively provided on both sides of the pre-embedded steel plate, and the threaded steel bar is installed inside the pile foundation platform. The lower end of the vertical section is engaged with the fixing claw.

[0018] With the above improvements, the upper end of the pile foundation platform is equipped with fasteners, which include embedded steel plates, fixing claws and threaded steel bars. The lower end of the vertical section is clamped and fitted onto the fixing claws, which makes the fixing effect between the vertical section and the pile foundation platform better.

[0019] Furthermore, guardrails are provided on both sides of the horizontal plate, and the lower end of the guardrails is welded to the horizontal plate, forming a safety passage between the cap beam template and the guardrails.

[0020] With the above improvements, guardrails are installed on both sides of the horizontal slab, and the lower end of the guardrails is welded to the water platform. The installation of guardrails can improve the safety during construction, and a safe passage is formed between the cap beam formwork and the guardrails, which can facilitate the construction personnel to carry out construction. Attached Figure Description

[0021] Figure 1 This is a structural diagram of a formwork support for a cap beam in a confined space.

[0022] Figure 2 This is a structural diagram of section AA of a formwork support for a cap beam in a confined space.

[0023] Figure 3 This is a structural diagram of the BB section of a formwork support for a cap beam in a confined space.

[0024] Figure 4 This is a magnified view of a portion of the structure of a formwork support for a cap beam in a confined space.

[0025] The components include: 1. Driving bridge section; 2. Piers; 3. Support structure; 3.1. Vertical section; 3.2. Horizontal plate; 3.21. Guardrail; 3.3. Fixing rod; 3.4. Connecting truss; 3.5. Safety passage; 4. Pile foundation platform; 4.1. Fixing components; 4.11. Embedded steel plate; 4.12. Fixing claw; 4.13. Threaded steel; 5. Cap beam formwork; 5.1. Inclined surface; 6. Auxiliary support; 6.1. Support rod; 6.2. Connecting rod; 6.3. Cast-in-place concrete; 6.31. Positioning protrusion; 7. Cap beam body; 8. Fixing block; 9. Ladder cage; 9.1. Connecting ladder; 9.2. Guy rope. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] like Figures 1 to 4 As shown, a formwork support for a girder in a confined space includes a bridge section 1, a pier 2, a support body 3, a pile foundation platform 4, and a girder formwork 5. The support body 3 is located on both sides of the pier 2 and is fixedly installed on the pile foundation platform 4. The support body 3 includes a vertical section 3.1 and a horizontal plate 3.2 that are configured to cooperate with each other. Auxiliary supports 6 are symmetrically arranged on both sides of the horizontal plate 3.2 in the direction close to the bridge section 1. One end of the auxiliary support 6 is fixedly installed with the horizontal plate 3.2, and the other end is installed on the upper end of the bridge section 1. The girder formwork 5 is located on the upper surface of the support body 3, and the girder body 7 is formed by casting inside the girder formwork 5.

[0029] The auxiliary support 6 includes a support rod 6.1 and a connecting rod 6.2. A cast-in-place concrete 6.3 is provided between the support rod 6.1 and the upper end face of the bridge section 1. A positioning protrusion 6.31 protrudes from the upper end face of the cast-in-place concrete 6.3. The lower end of the support rod 6.1 is engaged and fitted within the positioning protrusion 6.31. The cast-in-place concrete 6.3 is provided between the support rod 6.1 and the upper end face of the bridge section 1. Since the road surface of the bridge section 1 may not be completely level, the cast-in-place concrete 6.3 can keep the upper end face of the bridge section 1 level, so that the cap beam can also be poured in a level state.

[0030] Fixing rods 3.3 are welded between the vertical sections 3.1 on both sides of the pier 2. The fixing rods 3.3 make the installation of the support body 3 on both sides of the pier 2 more secure and the connection effect better. Connecting trusses 3.4 are set between the vertical sections 3.1 on the same side. The connecting trusses 3.4 set between the vertical sections 3.1 on the same side can improve the connection strength of the support body 3 itself.

[0031] An inclined surface 5.1 is provided at the lower end of the cap beam formwork 5. A fixing block 8 is provided between the cap beam formwork 5 and the horizontal plate 3.2. The inclined surface on the fixing block 8 abuts against the inclined surface 5.1. Due to the shape of the cap beam body 7, an inclined surface 5.1 is provided at the lower end of the cap beam formwork 5 to facilitate the formation of the shape of the cap beam body 7. The fixing block 8 is provided between the cap beam formwork 5 and the horizontal plate 3.2 to fix the cap beam formwork 5 and prevent it from shaking during pouring.

[0032] The upper end of the pile foundation platform 4 is provided with a fixing component 4.1. The fixing component 4.1 includes a pre-embedded steel plate 4.11, a fixing claw 4.12, and a threaded steel bar 4.13. The fixing claw 4.12 and the threaded steel bar 4.13 are respectively set on both sides of the pre-embedded steel plate 4.11, and the threaded steel bar 4.13 is installed inside the pile foundation platform 4. The lower end of the vertical section 3.1 is engaged with the fixing claw 4.12, so that the fixing effect between the vertical section 3.1 and the pile foundation platform 4 is better.

[0033] The horizontal plate 3.2 is equipped with guardrails 3.21 on both sides. The lower end of the guardrails 3.21 is welded to the horizontal plate 3.2. The guardrails 3.21 can improve the safety during construction, and a safety passage 3.5 is formed between the cap beam formwork 5 and the guardrails 3.21, which can facilitate the construction personnel to carry out construction.

[0034] A ladder cage 9 is provided on one side of the auxiliary support 6. The ladder cage 9 can play an auxiliary role when the main body of the cap beam 7 is poured. A connecting ladder 9.1 is provided on the ladder cage 9. One end of the connecting ladder 9.1 is fixed on the ladder cage 9, and the other end abuts against the upper end of the main body of the cap beam 7. The connecting ladder 9.1 on the ladder cage 9 can facilitate the pouring of the cap beam.

[0035] A guy rope 9.2 is provided on the side of the ladder cage 9 away from the auxiliary support 6. One end of the guy rope 9.2 is fixed to the traveling bridge section 1, and the other end is fixed to the ladder cage 9. This can further improve the stability of the ladder cage 9 connection and improve the safety of using the ladder cage 9 during construction.

[0036] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A formwork support for a cap beam in a confined space, characterized in that: The system includes a bridge section (1), piers (2), a support body (3), a pile foundation platform (4), and a cap beam template (5). The support body (3) is located on both sides of the piers (2) and is fixedly installed on the pile foundation platform (4). The support body (3) includes a vertical section (3.1) and a horizontal plate (3.2) that are configured to cooperate. Auxiliary supports (6) are symmetrically arranged on both sides of the horizontal plate (3.2) in the direction close to the bridge section (1). One end of the auxiliary support (6) is fixedly installed with the horizontal plate (3.2), and the other end is installed on the upper end of the bridge section (1). The cap beam template (5) is located on the upper surface of the support body (3), and the cap beam body (7) is formed by casting inside the cap beam template (5).

2. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: The auxiliary support (6) includes a support rod (6.1) and a connecting rod (6.2). A cast-in-place concrete (6.3) is provided between the support rod (6.1) and the upper end face of the bridge section (1). A positioning protrusion (6.31) protrudes from the upper end face of the cast-in-place concrete (6.3). The lower end of the support rod (6.1) is engaged and fitted in the positioning protrusion (6.31).

3. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: A fixing rod (3.3) is welded between the vertical sections (3.1) on both sides of the pier (2), and a connecting truss (3.4) is provided between the vertical sections (3.1) on the same side.

4. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: The lower end of the cap beam template (5) is provided with an inclined surface (5.1), and a fixing block (8) is provided between the cap beam template (5) and the horizontal plate (3.2), with the inclined surface on the fixing block (8) abutting against the inclined surface (5.1).

5. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: A ladder cage (9) is provided on one side of the auxiliary support (6), and a connecting ladder (9.1) is provided on the ladder cage (9). One end of the connecting ladder (9.1) is fixed on the ladder cage (9), and the other end abuts against the upper end of the cap beam body (7).

6. The formwork support for a cap beam in a confined space according to claim 5, characterized in that: A guy rope (9.2) is provided on the side of the ladder cage (9) away from the auxiliary support (6). One end of the guy rope (9.2) is fixed on the traveling bridge section (1), and the other end is fixed on the ladder cage (9).

7. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: The upper end of the pile foundation platform (4) is provided with a fixing component (4.1). The fixing component (4.1) includes a pre-embedded steel plate (4.11), a fixing claw (4.12), and a threaded steel bar (4.13). The fixing claw (4.12) and the threaded steel bar (4.13) are respectively arranged on both sides of the pre-embedded steel plate (4.11), and the threaded steel bar (4.13) is installed in the pile foundation platform (4). The lower end of the vertical section (3.1) is engaged with the fixing claw (4.12).

8. The formwork support for a cap beam in a confined space according to claim 1, characterized in that: The horizontal plate (3.2) is provided with guardrails (3.21) on both sides. The lower end of the guardrails (3.21) is welded to the horizontal plate (3.2), and a safety passage (3.5) is formed between the cap beam template (5) and the guardrails (3.21).

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