Formwork supporting device for bridge construction

By designing a formwork support device for bridge construction, using a combined structure of guard plates, support plates, limit components, connection components and support components, the problem of existing formwork bending and deformation when withstand concrete pressure is solved, and rapid assembly and adjustment to meet the needs of bridges of different sizes is achieved, improving the stability and use efficiency of the structure.

CN222758872UActive Publication Date: 2025-04-15SHANGRAO GUOKONG MUNICIPAL ENGINEERING CO LTD
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Patent Information

Application Number
CN202421583000.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-15
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Existing bridge construction formwork is prone to bending and deforming when subjected to concrete pressure, reducing structural stiffness and stability. At the same time, the single formwork size cannot meet the different bridge casting needs, and the overall design volume is large and is not convenient for handling.

Method used

A formwork support device for bridge construction is designed, including guard plates, support plates, limiting components, connecting components and support components. Through the combination and articulation structure of these components, the rapid assembly and adjustment of the formwork is achieved to meet the bridge needs of different sizes.

Benefits of technology

The device is simple in structure and is easy to install and use. It can be quickly assembled into rectangular structures of different sizes, which improves usability and working efficiency. By adjusting the length of the support rod, the connection strength and stability of the structure are enhanced, and equipment damage caused by impact is avoided.

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Abstract

The utility model provides a formwork supporting device for bridge construction, and mainly relates to the technical field of supporting formworks. A formwork supporting device for bridge construction comprises protection plates and four supporting plates, the four supporting plates are vertically arranged in a rectangular shape, the multiple protection plates are arranged between every two adjacent supporting plates, the protection plates are stacked into an upper layer and a lower layer, a main rod is hinged to the outer side of the upper-layer protection plate, a supporting assembly is hinged to the outer side of the lower-layer protection plate, and the supporting assembly is connected with the main rod. Every two adjacent upper and lower protective plates are fixedly connected through a limiting assembly, and every four adjacent protective plates located on the same plane are fixedly connected through a connecting assembly. The utility model has the beneficial effects that the rectangular structures with different sizes can be assembled according to the actual requirements of the pile foundation, so that the usability can be improved; and the extending length of the second supporting rod is adjusted by rotating the connecting nut, so that the supporting force of the main rod on the protective plate is improved, the connecting strength is improved, the overall structural strength of the device is guaranteed, equipment damage caused by impact is avoided, and the safety performance is good.
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Description

Technical Field

[0001] The utility model mainly relates to the technical field of supporting formwork, in particular to a formwork supporting device for bridge construction. Background Art

[0002] When pouring bridges, it is often found that due to the high density of concrete, a large force is applied to both sides of the formwork during pouring. The existing formwork has no protective brackets, and the long-term bearing of its own weight and the pressure applied by the concrete can easily cause the formwork to bend and deform, reduce the structural rigidity and stability of the formwork, and finally damage the formwork. At the same time, when using support formwork to support the pouring pile foundations of different bridges, a single formwork size cannot meet its use requirements. At the same time, the support formwork is generally designed to be large in size as a whole, which is not convenient to carry. Utility Model Content

[0003] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions:

[0004] A formwork support device for bridge construction comprises a guard plate and four support plates. The four support plates are arranged vertically and in a rectangular shape. A plurality of guard plates are arranged between two adjacent support plates. The guard plates are stacked into two layers, the outer side of the upper guard plate is hinged to a main rod, and the outer side of the lower guard plate is hinged to a support assembly. The support assembly is connected to the main rod. The adjacent upper and lower guard plates are fixedly connected by a limit assembly, and the adjacent four guard plates located in the same plane are fixedly connected by a connecting assembly.

[0005] Connecting columns are fixedly arranged on both sides of the guard plate, and the connecting columns are arranged at right angles. Two plug rods are fixedly arranged on the top of the guard plate. A groove is opened at the bottom of the guard plate, and the plug rods abut against the corresponding inner walls of the groove. A protrusion is fixedly arranged on the outer side of the guard plate near the middle position.

[0006] The limiting assembly includes a first connecting rod, a second connecting rod, and a connecting sleeve. The first connecting rod passes through the protrusion of the upper guard plate and abuts against its top, the second connecting rod passes through the protrusion of the lower guard plate and abuts against its bottom, and the connecting sleeve is threadedly connected to the first connecting rod and the second connecting rod.

[0007] The support assembly includes a first support rod, a second support rod, and a sleeve. The first support rod is hinged to the protrusion of the lower guard plate, the first support rod is sleeved on the outer ring of the second support rod, the other end of the first support rod is rotatably connected to a nut, the nut is threadedly connected to the second support rod, the other end of the second support rod is hinged to the outer ring of the sleeve, the inner ring of the sleeve is abutted against the outer ring of the main rod, the main rod is hinged to the protrusion of the upper guard plate, and the other end of the main rod is hinged to a support seat.

[0008] The connecting assembly includes a positioning plate and a fixing plate. The inner wall of the positioning plate is clamped with four connecting columns on the same plane. One side of the fixing plate abuts against the connecting column and the other side is symmetrically fixed with a screw. The screw passes through the positioning plate. The outer side of the positioning plate is symmetrically rotated to connect the screw sleeve, and the screw sleeve is threadedly connected to the corresponding screw.

[0009] The support plate is arranged at the four corners of the device, and four adjacent connecting columns at the right angles of the device are clamped with the inner wall of the support plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model has a simple structure and is easy to install and use. The support plate can be used in conjunction with the limit assembly and the connecting assembly to quickly assemble and disassemble the support plate, which is beneficial to improving work efficiency. The support plate can be assembled into rectangular structures of different sizes according to the actual needs of the pile foundation, which is beneficial to improving usability. The extended length of the second support rod can be adjusted by rotating the connecting nut, thereby improving the supporting force of the main rod on the guard plate, increasing the connection strength, ensuring the overall structural strength of the device, avoiding damage to the equipment when impacted, and having good safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Attached Figure 2 This is a schematic diagram of the main structure of the utility model;

[0014] Attached Figure 3 It is a schematic diagram of the structure of the guard plate of the utility model;

[0015] Attached Figure 4 It is a schematic diagram of the structure of the support assembly of the utility model;

[0016] Attached Figure 5 It is a schematic diagram of the structure of the connection assembly of the utility model;

[0017] Attached Figure 6 It is a schematic diagram of the disassembly structure of the utility model.

[0018] The numbers shown in the accompanying drawings are: 1, guard plate; 101, connecting column; 102, plug rod; 103, bump; 2, support plate; 3, support seat; 4, main rod; 5, support assembly; 501, first support rod; 502, second support rod; 503, sleeve; 504, nut; 6, limit assembly; 601, first connecting rod; 602, second connecting rod; 603, connecting sleeve; 7, connecting assembly; 701, positioning plate; 702, fixing plate; 703, screw; 704, screw sleeve. DETAILED DESCRIPTION

[0019] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0020] In conjunction with the accompanying drawings, a formwork support device for bridge construction includes a guard plate 1 and four support plates 2. The four support plates 2 are arranged vertically and in a rectangular shape. Multiple guard plates 1 are arranged between two adjacent support plates 2. The guard plates 1 are stacked into two layers, the outer side of the upper guard plate 1 is hinged to the main rod 4, and the outer side of the lower guard plate 1 is hinged to the support assembly 5, the support assembly 5 is connected to the main rod 4, the adjacent upper and lower guard plates 1 are fixedly connected by a limit assembly 6, and the adjacent four guard plates 1 located in the same plane are fixedly connected by a connecting assembly 7.

[0021] Connecting columns 101 are fixedly provided on both sides of the guard plate 1, and the connecting columns 101 are set at a right angle. Two plug rods 102 are fixedly provided on the top of the guard plate 1. A groove is opened at the bottom of the guard plate 1, and the plug rods 102 abut against the corresponding inner wall of the groove. A protrusion 103 is fixedly provided on the outer side of the guard plate 1 near the middle position.

[0022] The limiting assembly 6 includes a first connecting rod 601, a second connecting rod 602, and a connecting sleeve 603. The first connecting rod 601 passes through the protrusion 103 of the upper protective plate 1 and abuts against its top, the second connecting rod 602 passes through the protrusion 103 of the lower protective plate 1 and abuts against its bottom, the connecting sleeve 603 is threadedly connected to the first connecting rod 601 and the second connecting rod 602, and a hexagonal protrusion is fixedly set on the outer ring of the connecting sleeve 603. Through this structural design, the upper and lower protective plates 1 are fixedly connected.

[0023] The support assembly 5 includes a first support rod 501, a second support rod 502, and a sleeve 503. The first support rod 501 is hinged to the protrusion 103 of the lower guard plate 1, and the first support rod 501 is sleeved on the outer ring of the second support rod 502. The other end of the first support rod 501 is rotated to connect the nut 504, and the nut 504 is threadedly connected to the second support rod 502. The other end of the second support rod 502 is hinged to the outer ring of the sleeve 503, and the inner ring of the sleeve 503 abuts against the outer ring of the main rod 4. The main rod 4 is hinged to the protrusion 103 of the upper guard plate 1, and the other end of the main rod 4 is hinged to the support seat 3, and the support seat 3 is fixed to the ground. The support of the guard plate 1 is completed through this structural design.

[0024] The connecting assembly 7 includes a positioning plate 701 and a fixing plate 702. The inner wall of the positioning plate 701 is clamped with four connecting columns 101 on the same plane. One side of the fixing plate 702 is in contact with the connecting column 101 and a screw 703 is symmetrically fixed on the other side. The screw 703 passes through the positioning plate 701. The outer side of the positioning plate 701 is symmetrically rotated to connect the screw sleeve 704. The screw sleeve 704 is threadedly connected to the corresponding screw 703. Through this structural design, the four guard plates 1 are located in the same plane, ensuring that the inner sides of the four guard plates 1 are flat and connected and fixed.

[0025] The support plate 2 is arranged at the four corners of the device, and four adjacent connecting columns 101 at the right angles of the device are snap-fitted with the inner wall of the support plate 2. Through this structural design, each guard plate 1 can be quickly assembled.

[0026] When the device is in use, the upper and lower guard plates 1 are spliced ​​together, the first connecting rod 601 and the second connecting rod 602 are passed through the corresponding protrusions 103, the connecting sleeve 603 is rotated to complete the locking of the upper and lower guard plates 1, and then the main rod 4 and the supporting assembly 5 are installed on the corresponding protrusions 103. The installation method of the other upper and lower guard plates 1 is the same as above;

[0027] The upper and lower spliced ​​guard plates 1 are a group. According to the actual needs of the pile foundation, multiple groups of guard plates 1 are arranged on the same plane. The left and right adjacent groups of guard plates 1 are clamped together by the positioning plate 701, and then the screw sleeve 704 is rotated to drive the fixing plate 702 to closely abut against the connecting column 101, thereby completing the installation on one plane, and the other three planes are installed in the same way; the four planes are clamped together at the corners by the support plate 2, so that the four planes are distributed in a rectangular shape, and the support seat 3 is fixed to the ground, and the connecting nut 504 is rotated to adjust the extended length of the second support rod 502, and force is applied to the main rod 4, so as to improve the support effect and prevent loosening.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A formwork support device for bridge construction, comprising a guard plate (1) and four support plates (2), characterized in that: The four support plates (2) are arranged vertically and in a rectangular shape. A plurality of guard plates (1) are arranged between two adjacent support plates (2). The guard plates (1) are stacked into two layers, the outer side of the upper guard plate (1) is hinged to the main rod (4), and the outer side of the lower guard plate (1) is hinged to the support assembly (5). The support assembly (5) is connected to the main rod (4). The adjacent upper and lower guard plates (1) are fixedly connected by a limit assembly (6), and the adjacent four guard plates (1) located in the same plane are fixedly connected by a connection assembly (7).

2. A formwork support device for bridge construction according to claim 1, characterized in that: Connecting columns (101) are fixedly arranged on both sides of the guard plate (1), and the connecting columns (101) are arranged at a right angle. Two insertion rods (102) are fixedly arranged on the top of the guard plate (1). A groove is provided at the bottom of the guard plate (1), and the insertion rods (102) abut against the inner wall of the corresponding groove. A protrusion (103) is fixedly arranged on the outer side of the guard plate (1) near the middle position.

3. A formwork support device for bridge construction according to claim 2, characterized in that: The limiting assembly (6) comprises a first connecting rod (601), a second connecting rod (602), and a connecting sleeve (603); the first connecting rod (601) passes through the protrusion (103) of the upper protective plate (1) and abuts against the top thereof; the second connecting rod (602) passes through the protrusion (103) of the lower protective plate (1) and abuts against the bottom thereof; and the connecting sleeve (603) is threadedly connected to the first connecting rod (601) and the second connecting rod (602).

4. A formwork support device for bridge construction according to claim 2, characterized in that: The support assembly (5) includes a first support rod (501), a second support rod (502), and a sleeve (503); the first support rod (501) is hinged to the protrusion (103) of the lower guard plate (1); the first support rod (501) is sleeved on the outer ring of the second support rod (502); the other end of the first support rod (501) is rotatably connected to a nut (504); the nut (504) is threadedly connected to the second support rod (502); the other end of the second support rod (502) is hinged to the outer ring of the sleeve (503); the inner ring of the sleeve (503) is abutted against the outer ring of the main rod (4); the main rod (4) is hinged to the protrusion (103) of the upper guard plate (1); and the other end of the main rod (4) is hinged to the support seat (3).

5. A formwork support device for bridge construction according to claim 2, characterized in that: The connecting assembly (7) comprises a positioning plate (701) and a fixing plate (702); the inner wall of the positioning plate (701) is clamped with four connecting columns (101) on the same plane; one side of the fixing plate (702) is in contact with the connecting column (101) and the other side is symmetrically fixed with a screw (703); the screw (703) passes through the positioning plate (701); the outer side of the positioning plate (701) is symmetrically rotated to connect with a screw sleeve (704); the screw sleeve (704) is threadedly connected to the corresponding screw (703).

6. A formwork support device for bridge construction according to claim 2, characterized in that: The support plate (2) is arranged at the four corners of the device, and four adjacent connecting columns (101) at the right angles of the device are clamped with the inner wall of the support plate (2).