Top plate support for cast-in-place of box girder

Abstract

The utility model provides a top plate support for cast-in-place of a box girder. The top plate support solves the problem that a support is uneven in stress in the cast-in-place construction process of the box girder at present. Comprising a first connecting piece and a web arranged on the box girder. The second connecting piece is arranged on a web plate of the box girder; one end of the supporting rod is connected with the first connecting piece; one end of the inclined supporting rod is connected with the supporting rod, the other end of the inclined supporting rod is connected with the second connecting piece, and the length of the inclined supporting rod is adjustable. The stress state of the supporting system can be finely adjusted in real time by adjusting the length of the inclined supporting rod, when it is found that a certain part has the sinking trend, the inclined supporting rod is properly adjusted to be long to enable the supporting rod to incline upwards, the certain part is prevented from sinking, then the stability of the box girder top plate supporting system is maintained, and the construction safety and the top plate pouring quality of a box girder are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of bridge engineering technology, specifically to a top plate support for cast-in-place box girder. Background Technology

[0002] In bridge construction technology, cast-in-place box girders have been widely used and developed due to their advantages such as high overall rigidity, large load-bearing capacity, beautiful appearance, and adaptability to various alignments. To ensure the structural strength, surface flatness, and overall aesthetics of the box girder, it is generally poured in two stages: the first stage involves pouring the bottom slab and web, and the second stage involves pouring the top slab. During the top slab pouring process, scaffolding is required for support. Currently, existing scaffolding is fixed, but during the top slab pouring and vibration processes, uneven stress on the supporting structure may occur, leading to localized deformation of the box girder. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model provides a top plate support for cast-in-place box girder construction, which solves the problem of uneven stress on the support during the current cast-in-place box girder construction process.

[0004] The technical solution adopted in this utility model is as follows:

[0005] The top slab support for cast-in-place box girder includes:

[0006] Connector No. 1 is installed on the web of the box girder;

[0007] The second connector is installed on the web of the box girder;

[0008] The support rod is connected at one end to connector number one.

[0009] The diagonal brace is connected at one end to the support rod and at the other end to the second connector. The length of the diagonal brace is adjustable.

[0010] The diagonal brace includes, in sequence, a first section connected to the support rod, a connecting rod, and a second section connected to the second connecting piece. The two ends of the connecting rod are respectively engaged with the first section and the second section, and at least one end of the connecting rod is provided with a threaded portion.

[0011] The connecting rod is a bidirectional threaded rod.

[0012] The support rod is an I-beam structure.

[0013] The other end of the support rod is equipped with a construction walkway slab, and the outside of the construction walkway slab is equipped with a guardrail.

[0014] A U-bolt is provided between the support rod and the construction walkway slab, and the construction walkway slab is provided with a limiting groove for engaging with the U-bolt.

[0015] The upper surface of the construction walkway slab is provided with anti-slip texture.

[0016] The beneficial effects of this utility model are:

[0017] By adjusting the length of the diagonal braces, the stress state of the support system can be fine-tuned in real time. When a tendency for a certain part to sink is detected, the diagonal braces can be lengthened appropriately to tilt the support rods upward, preventing sinking in that part and thus maintaining the stability of the box girder top slab support system, ensuring construction safety and the quality of the box girder top slab pouring. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the combination of this utility model and a box girder.

[0019] Figure 2 This is a schematic diagram of the present invention.

[0020] Figure 3 This is a utility model Figure 2 Enlarged diagram of point A in the middle.

[0021] Figure 4 This is a utility model Figure 2 Enlarged diagram of point B in the middle.

[0022] Figure 5 This is a schematic diagram of the construction walkway slab of this utility model.

[0023] Connector No. 1, Connector No. 2, Support rod, Diagonal brace, Section 1, Connecting rod, Section 2, Construction walkway slab, Guardrail, U-bolt, Limiting groove, Anti-slip texture. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0025] In the embodiments, such as Figure 1 , Figure 2 , Figure 3 As shown, the top slab support for cast-in-place box girder includes:

[0026] Connector No. 1 is installed on the web of the box girder;

[0027] Connector No. 2 is installed on the web of the box girder;

[0028] Support rod 3, one end of which is connected to connector 1;

[0029] The diagonal brace 4 is connected at one end to the support rod 3 and at the other end to the second connector 2. The length of the diagonal brace 4 is adjustable.

[0030] The support rod 3 is rotatably mounted on the first connector 1, or it can be mounted on the first connector 1 with bolts and nuts. By adjusting the length of the diagonal brace 4, the stress state of the support system can be finely adjusted in real time. When a certain part is found to have a tendency to sink, the diagonal brace 4 is appropriately lengthened to make the support rod 3 tilt upward, so as to prevent the sinking of a certain part, thereby maintaining the stability of the box girder top plate support system, ensuring construction safety and the quality of the box girder top plate pouring.

[0031] In the embodiments, such as Figure 2 , Figure 3 As shown, the diagonal brace 4 sequentially includes a first segment 41 connected to the support rod 3, a connecting rod 42, and a second segment 43 connected to the second connecting piece 2. The two ends of the connecting rod 42 respectively mate with the first segment 41 and the second segment 43, and at least one end of the connecting rod 42 is threaded. Both ends of the diagonal brace 4 are bolted together; the distance between the first segment 41 and the second segment 43 can be adjusted by rotating the connecting rod 42, making the length of the diagonal brace 4 easily adjustable.

[0032] In the embodiments, such as Figure 2 , Figure 3 As shown, the connecting rod 42 is a two-way threaded rod. The two-way threaded rod can quickly adjust the distance between the first segment 41 and the second segment 43, thereby quickly adjusting the length of the diagonal brace 4, saving time and effort.

[0033] In this embodiment, the support rod 3 is an I-beam structure. I-beams have good load-bearing capacity and bending resistance, and the support rod 3 is not easily deformed, resulting in good support stability.

[0034] In the embodiments, such as Figure 1 , Figure 2 As shown, a construction walkway slab 5 is installed at the other end of the support rod 3, and a guardrail 6 is provided on the outer side of the construction walkway slab 5. The construction walkway slab 5 allows workers to carry out construction work on the top slab.

[0035] In the embodiments, such as Figure 2 , Figure 4 As shown, a U-bolt 7 is provided between the support rod 3 and the construction walkway slab 5, and the construction walkway slab 5 is provided with a limiting groove 8 for cooperating with the U-bolt 7. The U-bolt 7 is not easy to move after installation, ensuring a stable connection between the support rod 3 and the construction walkway slab 5, while also making the construction walkway slab 5 easy to assemble and disassemble.

[0036] In the embodiments, such as Figure 5 As shown, the upper surface of the construction walkway slab 5 is provided with anti-slip texture 9. This prevents workers from slipping when walking on the construction walkway slab 5 and ensures the safety of the workers.

[0037] Obviously, the above embodiments of this utility model are merely illustrative examples and not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A top slab support for cast-in-place box girder, characterized in that, include: Connector No. 1 (1) is installed on the web of the box girder; Connector No. 2 (2) is installed on the web of the box girder; The support rod (3) is connected at one end to the first connector (1); The diagonal brace (4) is connected at one end to the support rod (3) and at the other end to the second connector (2). The length of the diagonal brace (4) is adjustable.

2. The top slab support for cast-in-place box girder as described in claim 1, characterized in that: The diagonal brace (4) includes a first section (41) connected to the support rod (3), a connecting rod (42), and a second section (43) connected to the second connecting piece (2). The two ends of the connecting rod (42) are respectively engaged with the first section (41) and the second section (43). At least one end of the connecting rod (42) is provided with a threaded part.

3. The top slab support for cast-in-place box girder as described in claim 2, characterized in that: The connecting rod (42) is a bidirectional threaded rod.

4. The top slab support for cast-in-place box girder as described in claim 1, characterized in that: The support rod (3) is an I-beam structure.

5. The top slab support for cast-in-place box girder as described in claim 1, characterized in that: The other end of the support rod (3) is equipped with a construction walkway slab (5), and the outside of the construction walkway slab (5) is provided with a guardrail (6).

6. The top slab support for cast-in-place box girder as described in claim 5, characterized in that: A U-bolt (7) is provided between the support rod (3) and the construction walkway (5), and the construction walkway (5) is provided with a limiting groove (8) for cooperating with the U-bolt (7).

7. The top slab support for cast-in-place box girder as described in claim 5, characterized in that: The upper surface of the construction walkway slab (5) is provided with anti-slip texture (9).

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